Key Questions on Forests in the EU
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Key Questions on Forests in the EU 1 Lukas Giessen Editor-In-Chief Key Questions Sarah Adams Managing Editor on Forests in Inazio Martinez de Arano Associate Editor the EU The editorial office can be contacted at k2a@efi.int 2 What do you see when you think about forests? Layout: Lina Salamanca This work and publication have been 4 Forest benefits to EU citizens financed by EFI’s Multi-Donor Trust Fund for policy support, which is supported by the 6 EU 27 forests in a nutshell governments of Austria, Czech Republic, Finland, Germany, Ireland, Italy, Lithuania, 8 Q1. How did EU 27 forests develop and why do they differ from those of the past? Norway, Spain and Sweden. 12 Q2. Who owns the forests and how are they managed? Recommended citation: Mauser, H. (ed). 2021. Key questions on 16 Q3. What do people think about forests in the EU? forests in the EU. Knowledge to Action 4, European Forest Institute. 20 Q4. How has climate change affected EU forests and what might happen next? https://doi.org/10.36333/k2a04 24 Q5. To manage or not to manage – how can we support forests to mitigate climate Edited by Harald Mauser, European Forest Institute; full list of contributors on p.59 change and adapt to its impacts? Acknowledgements: The report benefited from helpful comments 28 Q6. How does forest management affect biodiversity? by external reviewers, Lukas Giessen from the Technical University Dresden, Tomas 32 Q7. What role do forests play in the water cycle? Lundmark from the Swedish University of Agricultural Sciences SLU and Marco 36 Q8. How can forests improve human health and well-being? Marchetti from the University of Molise. We wish to express our thanks for their insights 40 Q9. How can trees and forests support sustainable and climate friendly cities? and comments that helped to improve the report, and acknowledge that they are in no 44 Q10. How does forest management and the use of wood contribute to economic way responsible for any remaining errors. prosperity and employment? ISBN 978-952-7426-05-0 (print) ISBN 978-952-7426-06-7 (pdf) 48 Q11. How can a forest-based bioeconomy support biodiversity and climate neutrality? ISSN 2670-2126 (printed) ISSN 2670-2215 (pdf) 52 Q12. What is the impact of the EU’s consumption on the world’s forests? 56 Glossary 58 Contributors Photo by: Florian Haider on Pexels
Key Questions on Forests in the EU 3 Key Questions on Forests in the EU The listed perceptions A solid and holistic A scenic landscape people have about forests understanding of the different you want to spend demonstrate some of the roles forests play is necessary time in? many products and services to be able to design policies that the EU’s forests provide that help to maximize synergies to society, benefiting citizens and minimize trade-offs in numerous different ways. between the different forest The expectations for forests uses. are high, and they are subject to many and varied demands. This publication compiles key A treasure you want Not all of these demands research findings in the form to hand over in good are necessarily compatible, of 12 questions on forests in shape to your children? resulting in societal and policy the EU and the benefits they debates on the role of forests provide to society. It aims to and their multiple products and inform a wider range of people services. Often such debates who are not forest experts, focus on the question if and but who are interested in for which primary objectives information on some of the forests in the EU should be many contributions forests The wooden house managed, and how. make to achieving EU policy you want to live in, goals. Harnessing its ongoing enjoying wooden Sound decision making needs, monitoring of recent EU policy furniture and other amongst other things, a holistic processes, EFI selected the wood-based products understanding of the different following areas in particular: interests regarding forests that bioeconomy, civil protection, like paper and textiles? are represented by multiple climate change mitigation and directly or indirectly involved adaptation, forestry, impact stakeholders, and of the on global forests, nature complexity, diversity and long- conservation, public health time horizons of ecological and regional development. The processes and management geographic scope is the 27 A refuge for decisions in forests. Different EU member states, although biodiversity in which groups of actors tend to have in specific cases it is indicated you can experience a good understanding of the if EU 28 or European data are forest aspects they value the used. nature and see most or they are familiar with. wildlife? But often information on other For the sake of brevity, this aspects and interrelations publication only provides a between them are rather poorly snapshot of the available understood or downplayed. information. More detailed This limits proper assessment insights and relevant of the implications of references are provided on A major carbon sink decisions in policy and forest the EFI website; a link is given that helps to mitigate management. Together with under each question. climate change? myths, misunderstandings, and distrust between actor groups, these gaps impede dialogue and rational policy All of the above? development.
K2A Knowledge to Action Key Questions on Forests in the EU 9 1. How did EU 27 forests develop and why do they differ from those of the past? Forests in the EU have seen major changes over time. The expansion of agricultural areas for food production and the overexploitation of forests for fuel and construction materials for e.g. mining, shipping and built infrastructure resulted in major losses of forest cover during the last centuries to millennia. Those trends in forest cover change have reversed since the beginning of the 19th century. Forest area has been expanding through active afforestation or natural forest expansion on abandoned pasture and agricultural areas. The timing, pace and extent of this development differs between EU countries and regions. As a result of these human interventions and their interaction with natural processes, a cultural landscape has evolved with predominantly semi- natural forests. Only small and fragmented areas of primary forests remain in a few boreal and mountainous areas in the EU. The forest resources in the EU currently cover 159 million ha or around 40% of the land area. This corresponds to an area four times the size of Sweden. The share in forest cover is largest in the Nordic countries with a forest cover of 74% in Finland and 69% in Sweden, whereas it is as little as 11% in Ireland and the Netherlands, and 1% in Malta. As well as the extent of forest in Europe, the structure of forest resources has also been changing. Improved land and forest management practices, as well as nitrogen deposition and climate change have caused the growth rate (or increment) of trees and forests to increase over recent decades. The rate of wood harvesting has also been increasing in recent decades, but at a slower pace than the increase in wood increment. Currently, about 75% of the net annual growth is felled, but with a large variation across regions. As Read the full story! the annual growth rate exceeds fellings, the amount of wood and biomass standing in Europe’s forests has been increasing continuously since the end of the Second World War. The management of forest resources varies greatly across Europe, depending on local conditions and traditions. Since the 1990s, there has been a trend towards more close-to-nature silviculture and nature-oriented Photo by: Bernadett Hiersche on Adobe Stock
K2A Knowledge to Action WHY WERE SCOTS PINE AND NORWAY SPRUCE PLANTED OUTSIDE THEIR NATURAL RANGE HISTORICALLY? Better ability to grow and produce sufficient timber on Photo by: Ruslan Khismatov on Adobe Stock degraded soils depleted of nutrients by previous agricultural forest management, although this is and Norway Spruce are coniferous uses such as litter raking and grazing. implemented in many ways. While in native species in many parts of Europe. the past, forests were predominantly They have been particularly promoted managed as simple, even-aged- (see box) and established outside their forests (i.e. all trees were the same natural range as well as their ecological age), management nowadays aims to niche. However, a shift towards a larger increasingly develop more structurally share of broadleaved species can be Faster tree growth enabled meeting in shorter time the rich forests. observed, especially in Central Europe. increasing wood demand of a growing population and the Motivated by the realization of the higher wood demand after wars for reconstruction and Clearcutting with tree retention susceptibility of coniferous forests to reparation payments. (typically 5-10 trees per ha) is still the storm, wildfire and insect outbreaks and dominant cutting regime especially climate change, forest managers have in the north of Europe, but there is a been increasingly favouring broadleaved move away from clearcutting towards species since the 1990s. small-scale harvest and selective Better energy efficiency of timber processing and usability for cutting of individuals or groups of Tree species composition is, however, high quality products due to stem straightness and fibre length, trees, especially in Central and South- not always a direct management as well as fewer defects like knots, colouration, tensions and Eastern European countries. When choice. Especially in southern Europe, twists in the wood. Timber from pine and spruce was in higher clearcutting is applied, harvesting forests have been established in demand, both from sawmills as well as pulp and paper mills. cycles can go from 10 to 30 years recent decades through natural forest in the case of fast growing species expansion following the abandonment (poplar, eucalyptus, some pine or of agricultural practices. The tree spruce species), but cycles typically species composition of these forests exceed 80 years - ranging up to more is determined, amongst many other Silvicultural management to produce good quality timber than 200 years in Central Europe. factors, by the availability of seeds was easier. and the ability of species to reach and Tree species selection is another major occupy new sites. Also, high densities management choice. For centuries, of e.g. roe and red deer populations land managers, including foresters, often lead to failures of deciduous favoured relatively few tree species species as they are selectively browsed. for timber and fuelwood production, In addition, the historical expansion of as well as other amenities. As a result, agriculture typically occurred on fertile European forests deviate substantially and easily accessible areas. The forests from the potential natural vegetation. and tree species that remained are At the European level, economically typically those species that can grow on important and widespread tree species less fertile soils or in harsher conditions. include Scots Pine, Norway Spruce, Oak and European Beech. Scots Pine Read the full story at: www.efi.int/forestquestions/q1
K2A Knowledge to Action Key Questions on Forests in the EU 13 2. Who owns the forests and how are they managed? European forests belong to around 16 million private and public forest owners. In the EU, about 60% of the forest area is privately owned and 40% public. Public forests are owned by municipalities, regional or national governments. Private forests may include traditional, non-industrial types of private ownership including families, farms, rural commons, churches and aristocratic estates. Industrial private owners include forest industry companies, e.g. producing pulp and paper. There are also specific types that are not fully private nor public, such as commonly owned forests by local citizens or farm holdings that go back to historical ownership forms or are triggered by social movements. Overall, the property sizes range from below one hectare to up to several millions of hectares. However, almost 90% of private forest holdings are smaller than 10 hectares, many are even much smaller. Income generated by forest use spreads to a large number of families and individuals in society (different from income generated from e.g. coal, oil or gas resources). Due to the different historical, legal and social circumstances, patterns of public and private ownership vary greatly across Europe. For example, in Northern Europe, around 70% of the forests are privately owned, while in South East Europe around 90% are public. While private ownership clearly dominates in western European regions, it is the opposite in Eastern Europe (see Figure 1). The extent of property rights granted to owners by the specific national legal frameworks also differs strongly, with a gradient of a greater freedom for owners in forest management in Western European countries and more legal restrictions in Eastern Europe. Read the full story! Societal and political developments, like structural changes in agriculture, urbanization, changes in lifestyles, as well as restitution and privatization after the 1989 fall of the Iron Curtain, and decentralization have led to changes in ownership patterns. When small farms are given up, the agricultural land is usually sold to other farmers, but forests are often kept in the family and may become owned by non-agricultural owners with urban lifestyles. The restitution of nationalized land to its former owners has been a major (and still ongoing) Photo by: Anne Rauhamäki
60°0•0•N 30°0'0"W 20°0'0"W 10°0'0"W 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E 50°0'0"E 60°0'0"E 70°0'0"E FOREST MAP OF EUROPE 0 250 500 750 (geographical Europe, Cyprus and Turkey) 60°0•0•N Kilometers 30°0'0"W 20°0'0"W 10°0'0"W 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E 50°0'0"E 60°0'0"E 70°0'0"E ETRS89 Lambert Azimuthal Equal Area projection Proportion of forest from land area FOREST (% at 1km x 1km MAP OF EUROPE resolution) 0 250 500 750 Kilometers (geographical Europe, Cyprus and Turkey) 0 - 10 ETRS89 Lambert Azimuthal Equal Area projection Proportion of forest 11 - from 25 land area K2A Knowledge to Action Key Questions on Forests in the EU 15 (% at 1km x 1km resolution) 26 - 50 0 - -10 51 75 11 - 25 76 100 26 - 50 Water 51 -data No 75 76 - 100 Forest area by country Water(Millions hectares) 60°0'0"N and percentage from total land area: No data AL 0.776 (28%) AT 3.857 (47%) BA 2.472 Forest area by(48%) country (Millions hectares) 60°0'0"N BE 0.678 (22%) and percentage from total land area: BG 3.927 (36%) BY AL 0.776 (28%) 8.600 (41%) CH AT 1.240 (31%) 3.857 (47%) CY BA 0.1732.472 (19%)(48%) CZ 0.6782.657 (22%)(34%) 50°0'0"N BE DE BG 3.927 (36%) 11.076 (32%) DK BY 0.587 (14%) 8.600 (41%) EE CH 2.203 1.240 (52%) (31%) ES CY 0.173 (19%) 18.173 (36%) FI CZ 2.657 (34%) 22.084 (73%) 50°0'0"N FR DE 15.954 (29%) 11.076 (32%) GR DK 3.903 (30%) 0.587 (14%) HR EE 1.920 2.203(34%) (52%) HU ES 2.039 (23%) 18.173 (36%) IE FI 0.737 (11%) 22.084 (73%) Private forest ownership Private Forestmap of Europe Ownership Map of Europe IS * FR 0.030 (0.3%) 15.954 (29%) GRIT 3.903 (30%) 9.149 (31%) HRLI 0.0071.920 (43%)(34%) LT HU 2.165 (23%) 2.039 (35%) LUIE 0.087 0.737(33%) (11%) 50°0'0"N LV IS * 3.354 (54%) 0.030 (0.3%) MDIT 0.386 (12%) 9.149 (31%) MELI 0.467(43%) 0.007 (34%) MK LT 0.998 2.165(39%) (35%) NL LU 0.365(33%) 0.087 (11%) 50°0'0"N NO LV 3.354 (54%) 10.250 (34%) PL MD 0.386 (12%) 9.319 (30%) PT ME 3.456 (38%) 0.467 (34%) RO MK 0.998 (39%) 6.573 (29%) RS NL 0.3652.713 (11%)(31%) SE NO 10.250 (34%) 28.605 (70%) 30°0’0’’W 20°0’0’’W 10°0’0’’W 0°0•0• ’ 10°0’0’’E 0°0’0’ 20°0’0’’E 30°0’0’’E 40°0’0’’E 50°0’0’’E 60°0’0’’E 70°0’0’’E SI PL 1.253 (62%) 9.319 (30%) SK PT 1.938 (40%) 3.456 (38%) 40°0'0"N TR RO 6.573 (29%)11.334 (15%) 30°0•0•W 20°0•0•W 10°0•0•W 10°0•0•E 20°0•0•E 30°0•0•E 40°0•0•E 50°0•0•E 60°0•0•E 70°0•0•E UA RS 2.713 (31%) 9.705 (17%) 60°0’0’’N UK SE 2.881 (12%) 28.605 (70%) SI 1.253 (62%) Russian Federation (European part): 171.188 M ha (46%) SK 1.938 (40%) 40°0'0"N TR 11.334 (15%) 60°0•0•N * based on Forest Europe 2011; not included in map due to lacking UA satellite data coverage 9.705 (17%) 30°0'0"W 20°0'0"W 10°0'0"W 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E 50°0'0"E 60°0'0"E 70°0'0"E UK Total forest2.881 area(12%) shown in the map: 379.280 M ha (37%) Two different earth-observation products: FOREST MAP OF EUROPE Russian Federation (European part): 171.188 M ha (46%) http://efdac.jrc.ec.europa.eu/data/forestmaps, 0 250 500 750 Kilometers (geographical Europe, Cyprus and Turkey) www.efi.int/portal/virtual_library/publications/research_reports/14 *have based on combined been Forest Europe with 2011; not included statistical data to in map due to lacking 40°0'0"N ETRS89 Lambert Azimuthal Equal Area projection satellite producedata coverage a forest map that corresponds to the official forest inventory Proportion of forest from land area Total forest statistics area shown at national and/orinregional the map: 379.280 M ha (37%) level. (% at 1km x 1km resolution) Two different Further earth-observation products: details: http://efdac.jrc.ec.europa.eu/data/forestmaps, www.efi.int/portal/virtual_library/information_services/ 0 - 10 www.efi.int/portal/virtual_library/publications/research_reports/14 mapping_services/forest_map_of_europe have been combined with statistical data to 11 - 25 40°0'0"N produce aefisec(at)efi.int Contact: forest map that corresponds to the official forest inventory 26 - 50 statistics at national and/or regional level. European Forest Institute, December 2011 Further details: 51 - 75 www.efi.int/portal/virtual_library/information_services/ mapping_services/forest_map_of_europe 76 - 100 Water Contact: efisec(at)efi.int European Forest Institute, December 2011 No data www.fefr.org Forest area by country (Millions hectares) 60°0'0"N 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E and percentage from total land area: AL 0.776 (28%) Forest Map of Europe www.fefr.org AT 3.857 (47%) BA 2.472 (48%) BE 0.678 (22%) may live far away, or not even know costs), disincentives for investment 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E BG 3.927 (36%) BY 8.600 (41%) CH 1.240 (31%) CY 0.173 (19%) Forest Map of Europe CZ 2.657 (34%) 50°0'0"N DE 11.076 (32%) DK 0.587 (14%) EE 2.203 (52%) ES 18.173 (36%) FI 22.084 (73%) FR 15.954 (29%) that they are forest owners. This is true in sustainable forest practices, and 50°0•0•N GR 3.903 (30%) HR 1.920 (34%) HU 2.039 (23%) IE 0.737 (11%) IS * 0.030 (0.3%) IT Recommended citation for the forest ownership map of Europe: 9.149 (31%) LI 0.007 (43%) 50°0•0•N LT 2.165 (35%) LU 0.087 (33%) 50°0'0"N LV 3.354 (54%) both for Western European countries greater management problems MD 0.386 (12%) Pulla, P., Schuck, A., Verkerk, for the P. J., Lasserre, B., map Marchetti, M. and Green, T. 2013. ME 0.467 (34%) Recommended citation forest ownership of Europe: MK 0.998 (39%) NL 0.365 (11%) NO 10.250 (34%) PL 9.319 (30%) PT 3.456 (38%) MappingP., the distribution of forest P. J.,ownership Lasserre, in B.,Europe. EFIM. Technical Report 88. 92 p. RO 6.573 (29%) Pulla, Schuck, A., Verkerk, Marchetti, and Green, T. 2013. RS SE SI 2.713 (31%) 1.253 (62%) 28.605 (70%) (e.g. inherited forests owned by urban related to the provision of ecosystem SK 1.938 (40%) 40°0'0"N TR 11.334 (15%) UA 9.705 (17%) Mapping the distribution of forest ownership in Europe. EFI Technical Report 88. 92 p. UK 2.881 (12%) Russian Federation (European part): 171.188 M ha (46%) 60°0’0’’N * based on Forest Europe 2011; not included in map due to lacking Forest ownership data satellite data coverage Total forest area shown in the map: 379.280 M ha (37%) 60°0•0•N Two different earth-observation products: people) and for Eastern European services, including wildlife, water, http://efdac.jrc.ec.europa.eu/data/forestmaps, www.efi.int/portal/virtual_library/publications/research_reports/14 have been combined with statistical data to 40°0'0"N Compiled from official data national and international information sources on private, produce a forest map that corresponds to the official forest inventory Forest ownership statistics at national and/or regional level. Further details: www.efi.int/portal/virtual_library/information_services/ mapping_services/forest_map_of_europe public and other forest ownerships (publications, websites and information portals) Contact: efisec(at)efi.int Compiled from official national and international information sources on private, European Forest Institute, December 2011 public and other forest ownerships (publications, websites and information portals) Private ownership countries where owners of restituted 0°0'0" 10°0'0"E 20°0'0"E 30°0'0"E 40°0'0"E www.fefr.org recreational opportunities and soil forests often lack bonds to their re- protection. However, joint management Forest Map of Europe Forest owned Private by individuals, families, communities, private co-operatives, corporations ownership 50°0’0’’N and other business entities, private religious and educational institutions, pension acquired properties. In contrast to the by private forest associations, forest Forest owned by individuals, families, communities, private co-operatives, corporations 50°0•0•N or investment funds, NGOs, nature conservation associations and other private and other business entities, private religious and educational institutions, pension Recommended citation for the forest ownership map of Europe: institutions. (FAO 2010) or investment funds, NGOs, nature conservation associations and other private Pulla, P., Schuck, A., Verkerk, P. J., Lasserre, B., Marchetti, M. and Green, T. 2013. institutions. (FAO 2010) References existing good understanding of the Mapping the distribution of forest ownership in Europe. EFI Technical Report 88. 92 p. certification initiatives and support by FAO 2010. Global Forest Resources Assessment 2010. Terms and Definitions. Working References Paper 144/E. 27 p. Food and Agriculture Organization of the United Nations, Rome. FAO 2010. Global Forest Resources Assessment 2010. Terms and Definitions. Working behaviour of traditional forest holders, Forest ownership data Compiled from official national and international information sources on private, advisory services can address these in most countries there is much less disadvantages. The diversity of forest public and other forest ownerships (publications, websites and information portals) Gunia, K., Päivinen, Paper 144/E. 27 p. FoodR.,and Zudin, S. andOrganization Agriculture Zudina, E. of 2012. Forest Nations, the United map of Rome. Europe. European Forest Institute. http://www.efi.int/portal/virtual_library/information_ Gunia, K., Päivinen, R., Zudin, S. and Zudina, E. 2012. Forest map of Europe. Proportion of forest knowledge about other forest owner owners also represents a richness Private ownership 40°0•0•N services/mapping_services/forest_map_of_europe/ 50°0’0’’N European Forest Institute. http://www.efi.int/portal/virtual_library/information_ 50°0•0•N Forest owned by individuals, families, communities, private co-operatives, corporations land in private 40°0•0•N services/mapping_services/forest_map_of_europe/ and other business entities, private religious and educational institutions, pension types with their specific motives and since a mosaic of management or investment funds, NGOs, nature conservation associations and other private ownership(%) institutions. (FAO 2010) preferences. approaches can increase the resilience Proportion of forest land in private ownership (%) References Proportion of forest land 0 FAO 2010. Global Forest Resources Assessment 2010. Terms and Definitions. Working of forests, biodiversity at landscape in private ownership 0 (%) Paper 144/E. 27 p. Food and Agriculture Organization of the United Nations, Rome. 0.1-10 Gunia, K., Päivinen, R., Zudin, S. and Zudina, E. 2012. Forest map of Europe. 0 40°0’0’’N The more fragmented forest ownership level, and help to provide a more 0.1–10 European Forest Institute. http://www.efi.int/portal/virtual_library/information_ 40°0•0•N 11-25 services/mapping_services/forest_map_of_europe/ 0.1–10 11–25 26-50 11–25 26 –50 becomes the more important (and diverse set of forest ecosystem 51-75 26 –50 more difficult) it is to reach forest services. Proportion of forest land 51–75 in private ownership (%) 76-100 51–75 owners for common forest policy goals. 76 –100 0 40°0’0’’N No 76 No–100data 0.1–10 40°0•0•N data 0 No data 250 500 750 11–25 26–50 Fragmentation often leads to economic 0 0 250 250 ETRS89 Lambert Azimuthal Equal Area projectionKilometers 500 500 750 750Kilometers 51–75 inefficiency in forest management (higher harvesting and transaction 76–100 Kilometers ETRS89 Lambert Azimuthal Equal Area projection No data ETRS89 Lambert Azimuthal Equal Area Projection 0 250 500 750 Kilometers 0°0’0’’ 0°0•0• 10°0’0’’E 10°0•0•E 20°0’0’’E 20°0•0•E 30°0’0’’E 30°0•0•E 40°0’0’’E 40°0•0•E ETRS89 Lambert Azimuthal Equal Area projection Figure 1. Distribution of private and public ownership across Europe (red-strong private, yellow-strong public) (Pulla et al, 2013)1 change in some Eastern European While state forest owners generally countries. The privatization of state actively manage their forests according forests is observed in the Baltic states. to political, societal and business objectives, there is a wide variation The goals and motivation of forest in private forests, especially in small- owners to manage their forests vary scale forest ownership. This may range substantially. It depends on their from active market participation to forest size, their connection to their self-subsistence from forest products, property, their preferences regarding keeping their forest as a reserve for economic, environmental and social family investments, to altruistic motives values, and their flexibility to respond to no management at all. Especially to market trends. The regional setting owners of very small properties often and infrastructure (e.g. is there a local lack the knowledge, skills, capacities industry using wood) is also likely and interest in forest management. to have a major effect. Together this all impacts on the way forests are Another important aspect is the Photo by: Pellinni on Adobe Stock managed and on the products and urbanization of owners – some have services which are provided to society. little or no connection to their forests, 1 References used: Pulla, P., Schuck, A., Verkerk, P. J., Lasserre, B., Marchetti, M., Green, T. (2013) Mapping the distribution of forest ownership in Europe. EFI Technical Report 88. 92 p. Read the full story at: www.efi.int/forestquestions/q2
K2A Knowledge to Action Key Questions on Forests in the EU 17 3. What do people think about forests in the EU? Citizens living in Europe appreciate forests for the many societal benefits they provide, and literally all of them consume forest- based products ranging from furniture to paper products. However, when asked about their perceptions of forests and their benefits, environmental benefits are the most well-known, and receive the highest appreciation. In a 2016 Eurobarometer study, the benefits most often mentioned as being most important were: absorbing carbon dioxide providing animals protecting people from to fight climate change with natural habitats natural disasters such as floods and avalanches 66% 63% 40% The economic potential of forests – for example their ability to provide wooden products and energy, their contributions to employment, green jobs Read the full story! and rural development- did not score highly. Neither did their importance for healthy leisure activities, although there are large regional variations in Europe as outdoor recreation is much more appreciated in the North compared to southern member states. But during the COVID-19 pandemic in 2020, recreation opportunities in forests have been heavily used. Their importance for recreation, health and well-being is well documented in the literature (see Question 8). Photo by: V Sot on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 19 In 2018, 39.3% of the EU population with large dimensions are perceived as Some studies point out that a relatively lived in urban areas such as cities, beautiful. However, studies show some high share of respondents feels rather 31.6% lived in peri-urban towns and differences between verbally stated poorly informed about forests and has suburbs, and 29.1% lived in rural and visually stated preferences using little knowledge about the purposes areas. While there are differences photos. Apparently, there are trade-offs and effects of forest management. This with regards to respondents’ country, between societal preferences regarding indicates a need to improve information, age, gender, education and in some forest ecosystem services and forestry education and communication on forests cases between people living in rural objectives when these are translated and their management, also explaining or urban areas, the overall perception into concrete forest management the synergies and trade-offs between of forests is remarkably consistent interventions. They might not be different forest ecosystem services across the continent: the environmental considered by the general public when related to different management benefits of forests are perceived as surveyed. practices. most important. In particular, female, higher educated individuals or urban citizens tend to give comparatively higher preference to the environmental benefits of forests than male, less educated and rural citizens. Wood and wood-based products such as for construction purposes, composites, chemicals, packaging, textiles or fuels are appreciated as they are substituting fossil-based materials. However, citizens have little knowledge about them and are concerned about their environmental sustainability. Some studies indicate a general satisfaction with forest management, albeit with regional differences and partially negative perceptions of forestry operations. People with a professional background in forestry and/or forest owners and managers show significantly higher support for silvicultural operations and the economic use of forests than the general public. Visible signs of (intense) wood harvesting (especially clear-cuts, impacts of harvesting machinery on forest areas and forest roads) are frequently perceived negatively by citizens. In turn, mixed and rich structured forests and close-to-nature management are the preferred management options. Trees Photo by: Josh Hild on Pexels Photo by: Art of line on Adobe Stock Read the full story at: www.efi.int/forestquestions/q3
K2A Knowledge to Action Key Questions on Forests in the EU 21 4. How has climate change affected EU forests and what might happen next? Climate change is ongoing, and global temperatures are now more than one degree above pre-industrial levels. As well as the warming trend, extreme weather events and other disturbances have been amplified, often connected to climate change. Recently, especially during the 2018-2020 summers, European forests have been affected by severe droughts, a series of windstorms, more severe and widespread wildfires, rapidly expanding bark beetle infestations and several other pest and disease outbreaks. Damage to forests caused by extreme events and disturbances as well as interactions between disturbances (such as bark beetle outbreaks following windstorm or drought damage) have increased in recent decades and are projected to increase under climate change. This is a major challenge for future forest management. Climate change and associated extreme events are already affecting the growth and stability of forests in Europe. Improved forest growth has been observed in northern parts of Europe and in higher altitudes of mountainous regions (e.g. mountain treeline changes). Negative tree growth has already been reported, for example for spruce and beech in Slovakia and Belgium. Drought-induced growth declines have increasingly been observed at the dry distribution limits of tree species such as in southern Switzerland or Spain, but also in temperate lowland forests following the drought year of 2003. Forests are particularly vulnerable at the warm and dry tree species distribution limits, where intensified drought impacts and wildfire risk are particularly large and no other tree species are available to replace them. The recent exceptionally long and intensive drought in Central Europe Read the full story! from 2018 to 2020 drastically exceeded previous impacts and resulted in widespread mortality in different species. It caused an unprecedented large-scale bark beetle outbreak, which affected particularly Norway Spruce forests planted outside their native range in Central Europe. This led to salvage cutting on more than a million hectares. Drought-induced mortality also affected several other species including beech and Scots pine within their native range, and partially even native mountain spruce Photo by: -Alex Po on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 23 forests. Saturated wood markets, reversed due to more frequent or The present rate and magnitude of collapsing wood prices and subsequent intensive disturbances. Therefore, climate change exceeds the speed of economic losses for many forest owners it is necessary to interpret climate natural tree species migration. Active followed, especially in the Czech change impacts on productivity management is therefore needed to Republic, Austria and Germany. and disturbance regimes together. enable the future existence of forests Such integrated and quantitative and their sustainable management. This In the future, forest growth and tree assessments are missing for the could for example be achieved through species composition in Europe is likely EU. artificial planting or seeding of better to change, but the location, the amount adapted genotypes or species currently and partly even the direction of this • adaptive capacity of land not available at the site (so called change is hard to predict. This is due to owners, trees and forest “assisted migration”). a number of fundamental uncertainties ecosystems. Locally prevailing regarding the: species and genotypes get increasingly maladapted. There • level of climate warming during is only limited knowledge on the 21st century. Future impacts how trees can adapt to novel might be magnified if the world fails climate conditions close to their to meet the Paris Agreement targets. physiological limits. • future evolution of extreme events in a changing climate. Some of the recent extremes were caused by changing global weather circulation patterns. It is unknown, how they will reoccur and how much worse they could get with continuing climate warming. • effect of increasing CO2 concentrations in the atmosphere and their impact on forest growth and water use efficiency. Increasing CO2 concentrations in the atmosphere stimulate forest growth with slightly less water uptake. However, interactions with other growth limiting factors (nutrients, water) will likely reduce these effects in the future. • combined effects of productivity changes and disturbance impacts. Climate change may enhance forest productivity in years with average climatic conditions, but these gains may be lost or even Photo by: Helge on Adobe Stock Photo by: vojtechkuchar on Adobe Stock Read the full story at: www.efi.int/forestquestions/q4
K2A Knowledge to Action Key Questions on Forests in the EU 25 5. To manage or not to manage – how can we support forests to mitigate climate change and adapt to its impacts? Forests play an important role in the global carbon cycle that can help to mitigate climate change via three pathways: Forests remove carbon In forests managed for wood In addition to carbon storage dioxide from the supply, part of the carbon in forest ecosystems and in atmosphere and store (mainly in tree stems and major wood products, using wood carbon in biomass and branches) is extracted from can avoid or reduce fossil soil. the forest during harvest. If greenhouse gas emissions the wood is used for materials, by replacing (substituting) the carbon is stored in wood products or fuels that emit products and only released at more greenhouse gases the end of their life (which may during their production, use include one or more phases of and disposal (e.g. steel, recycling). concrete). Possible approaches for forests range from no management with the (sole) aim to store carbon within forest ecosystems to active management aiming Read the full story! either to strengthen carbon storage in forest ecosystems (e.g. through tree species selection, breeding, thinning, cutting regimes, etc.) or to strengthen carbon storage in forest ecosystems and in wood-based products and avoiding emissions through substitution effects. An open key question is if forests which are left unmanaged provide larger CO2 emission reductions than forests managed for the production of wood (with carbon storage in wood products and substitution effects). Photo by:lovelyday12 on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 27 Scientific studies to tackle this Scientific studies to tackle this question When looking at carbon balances, performance of forest owners, but also may even appear contradictory it is also essential to consider for the wood-processing industries and because they reflect different views consequences beyond the local level. regional economies (see Question 10). and approaches. The carbon effects of Reducing wood production may lead managed and unmanaged forests are to gains in carbon storage in forest A holistic evaluation is therefore needed generally found to be affected by the ecosystems at one location, but to understand the full consequences assumed forest dynamics (growth rate, these gains may be offset through of changing forest management in mortality, disturbances). In the case of the international trade of wood and supporting climate policy. To strengthen managed forests, other relevant factors wood products causing deforestation the long-term contribution of forests and include the types of forest management, or degradation elsewhere (a “leakage forestry to climate change mitigation, of wood products considered, and the effect”). There is an increase in as well as the resilience of forests to non-wood products that are substituted, material demand due to a growing climate change, the best strategy will and how these products have been world population and rising levels of therefore be a mix of measures that produced. In addition, the comparison prosperity. The reduced production takes into account regional conditions. of managed and unmanaged systems is and use of forest products may result This mix combines conservation hampered by limited information on the in increased use of competing, non- approaches to strengthen carbon natural dynamics of unmanaged forests renewable materials, often with larger storage in forest ecosystems, as well as and by uncertainties on the impacts carbon footprints, such as steel and active management approaches to store of climate change (see Question concrete. carbon in forest ecosystems and wood 4). Europe’s forests are affected by products, and avoid emissions through climate change and this is expected to In most of the EU regions, selling substitution. continue in the future with changes of timber is the dominant source of productivity, tree species suitability and income from forests to fund the costs extreme events and disturbances. of the establishment and adaptation of forests to new climate conditions. Especially in a transition from a Changes in forest management managed to an unmanaged forest, it limiting the supply of wood have is unclear how ceasing management consequences for the economic would affect forest development and its carbon balances under climate change. The present rate and magnitude of climate change (including the effects of natural disturbances) exceeds the speed of natural tree species migration and their capacity to adapt to the changing conditions (see Question 4). Ending management limits the possibility to strengthen forest resilience to climate change through adaptive forest management – for example by increasing species diversity, introducing better adapted species and provenances - implementing sanitary fellings to contain invasive pest species, reducing the amount of burnable materials in fire-prone areas, etc. Photo by: Christian Faludi on Adobe Stock Photo by: Alberto Masnovo on Adobe Stock Read the full story at: www.efi.int/forestquestions/q5
K2A Knowledge to Action Key Questions on Forests in the EU 29 6. How does forest management affect biodiversity? Most forests in Europe have a long history of human use and have been altered in one way or another (see Question 1). Still, forests are one of the ecosystems with the highest biodiversity. Old-growth and natural forests are particularly valuable for biodiversity and carbon storage. Some intensively managed forests (e.g. coppice forests) can also have high conservation value. Today 94% of Europe’s forests are classified as ‘semi-natural’ (with regards to tree species composition, regeneration, age and stand structure), 2% are undisturbed by man (mainly found in North, South-East and Central Europe) and 3% are plantations. Since the majority of forests is managed (including forests with a less strict protection status, e.g. Natura 2000 sites), forest biodiversity conservation heavily depends on best-practices of forest management. However, in nearly 24% of European forests, management must take special care to conserve biodiversity as stipulated by the EU Birds and Habitats Directives. Very often the impact on biodiversity depends on the intensity of forest management. High intensity measures like clear-cutting result in the temporary removal of all trees. Reduced impact logging, like single tree selection, is an example of a low intensity timber harvesting technique. All types of management change some properties of the forest and hence may favour some species - e.g. light loving species in a clear-cut system - while disadvantaging others. Forests managed primarily for timber production often lack the late development phases found in natural forest ecosystems. Many species live or are dependent on habitat trees, typically large and old trees that bear microhabitat structures such as cavities, cracks, breakages, deadwood, epiphytes or provide Read the full story! possibilities for nest building. Lying and standing deadwood is home to many specialized organisms, in particular saproxylic invertebrates (e.g. insects) and wood decomposing fungi, and in addition contributes to improving the nutrient balance in soils and to preserving water. It is therefore of high importance for biodiversity to integrate these elements of old-growth stages into forests managed for wood supply, i.e. considerable amounts of deadwood, old trees with microhabitats, diverse stand structures or forest gaps. Photo by: Anton Mir-Mar on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 31 Photo by: Wendy Wei on Pexels Forest management may also aim Forest management practices influence to increase biodiversity through forest structure and biodiversity in many mimicking natural disturbances, e.g. different ways, but there is no one-size- by prescribed burning, creating gaps fits-all-solution for optimizing biodiversity of different sizes, and increasing the in forests because of the different amount of coarse woody debris. demands of forest dwelling species. While forests managed for a range of In addition, the choice of site-adapted different ecosystem services will always tree species is a fundamental forest differ from natural forest ecosystems, management decision that influences silviculture has many options to better biodiversity. This not only directly integrate biodiversity conservation influences tree species diversity, but by imitating natural processes and indirectly affects forest biodiversity, as integrating old-growth forest elements. numerous species have co-evolved and thus depend on specific tree species or species groups. A prominent example is the spotted nutcracker that in its European range depends heavily on the nuts of Swiss pine. The lack of co-evolution is often the reason why, overall, fewer native animal species profit from introduced tree species. Read the full story at: www.efi.int/forestquestions/q6 Photo by: Alex Fu on Pexels
K2A Knowledge to Action Key Questions on Forests in the EU 33 7. What role do forests play in the water cycle? Clean fresh water has become a key asset of the 21st century, as continued rise in demand and global change induced drought are leading to chronic shortages in many countries. Forests play an essential role in the stable provision of clean, fresh water and related ecosystem services, such as drinking water, protection from floods, erosion and landslides, and climate regulation. Trees are multi-tasking water engineers, acting as: A giant umbrella A water pump An air conditioner A water tank Trees have more Trees have deeper High evapotranspiration Their large litter leaf area than other roots, so they can from trees and forests production and vegetation, so their pump up larger soil ensures a strong extensive root canopies are more water volumes for cooling effect on their systems lead to more effective in tempering transport to the leaves, environment, especially soil carbon and better the erosive forces resulting in more in urban heat islands. soil water infiltration, of rain and creating biomass production, which improves water a more shaded and transpiration and retention in the soil humid microclimate. precipitation. A big oak and groundwater tree transpires up to recharge. 1600 litres of water Read the full story! per day. European forests transpire about 400 mm per year, or roughly half the rainfall on the continent. Photo by: TTstudio on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 35 The exact role of forests in the water • Optimizing the location of intensive cycle has been much debated. In Green water flows 3 plantation forestry with fast- older literature forests were described growing tree species can temper as “sponges”, emphasizing the water evapotranspiration where needed buffering capacity of their crowns, and therefore lead to increased roots and soils, moderating flooding water harvest. and equalizing river flows. But Downwind more recently, the multiple benefits • In drinking water production areas, 1 2 4 generated by green water services broadleaved forests are preferred of forests (biomass production, over coniferous because their microclimate formation, erosion control, lower time-averaged leaf area atmospheric cooling and precipitation yields more water and reduces 5 recycling) have been recognized contamination of aquifers. in addition to blue water services (groundwater recharge, water provision • In the context of climate change for aquatic systems and human needs, and increased summer drought, Downstream 6 Figure 2). As a consequence, the higher thinning intensity stimulates idea of trees as water hogs has been forest vitality and tree growth. The 7 replaced by an integrated approach mixing of tree species often leads recognizing the trade-offs between the to complementary soil exploration multiple green water related benefits of by roots and may contribute to trees and their water consumption. improved drought tolerance. Several principles of water-friendly • Greening cities with trees cools forest management are well urban heat islands and mitigates established to manage synergies peak flows. Blue water flows and tradeoffs in the bundle of water- related ecosystem services forests can Moving beyond the scale of forest Ocean Land provide: stands and river catchments to the regional and continental scale reveals • Essential is avoiding deforestation the breadth of forest-water interactions. especially in erosion-prone Forest canopies massively produce 1 Precipitation recycling at regional and 5 Fog/cloud interception areas, limiting the area of biological particles that serve as continental scale clearcuts especially on steep condensation nuclei for rain formation. 2 Humidity and bioprecipitation triggers 6 Infiltration and groundwater recharge slopes, and reducing surface The evapotranspiration by forests run-off and sediment loss. Land recycles rain into clouds (green water 3 Atmospheric moisture transport 7 Flood moderation degradation and the loss of tree flows in Figure 2), impacting wind and 4 Local and global scale heating and cooling cover worldwide contribute to the weather patterns and creating “flying loss of soil carbon, infiltration, rivers” over continents that ensure water retention and groundwater downwind rainfall deep into continental recharge, with the consequence Figure 2. Forests balance blue and green water flows in the landscape. interiors. This helps to sustain rainfall Green water: water that is intercepted or taken up by plants and returned to the atmosphere by that drying landscapes become in many of the major crop producing evapotranspiration. more prone to drought and wildfire. areas of the world. Therefore, Blue water: water that is running off or percolates and ends up in aquifers, rivers and lakes. forest protection and sustainable Numbers 1-7 show the water cycle processes that are enhanced by trees and forests. • Restoring forests along riverbanks management contribute to global (modified after Ellison et al. 2019 and Falkenmark & Rockström 2005) 2 contributes to water quality and social-ecological stability. flood resilience. References used: 2 Ellison, D., Wang-Erlandsson, L., van der Ent, R. & van Noordwijk, M. (2019). Upwind forests: managing moisture recycling for nature-based resilience. Unasylva 70. Falkenmark M., and Rockström J. (2005). Balancing water for humans and nature; the new approach in Ecohydrology. Earthscan, 247p. Read the full story at: www.efi.int/forestquestions/q7
K2A Knowledge to Action Key Questions on Forests in the EU 37 8. How can forests improve human health and well-being? Forests have positive proven effects on physical, mental and social health as well as individual well-being. This is important during crises, such as the COVID-19 pandemic, as well as in the public health context in tackling chronic problems such as obesity, depression, and the related loss of work days. The impacts of forests on human health and well-being can be indirect or direct in nature, but are generally found to lead to both short-term and long-term health improvements. Forests provide ecosystem services such as highly nutritious food supplements, fuelwood, medicinal plants, clean water, protection against natural hazards, and income, all of which indirectly impact human health and well-being. Another contribution of forests to human health is related to better environmental quality in and around forest areas, including urban green spaces (see also Question 9). In terms of direct effects, a walk in the forest has a positive influence on the nervous system as heart rate and blood pressure decrease. Forest-based health care activities can improve the quality of sleep and encourage regular physical exercise. Being in a forest environment also has a positive effect on the human emotional state. It contributes to recovering from stress-related exhaustion. People feel more balanced and in a better mood after regularly visiting forests. In the case of hospitals and other healthcare facilities, viewing green spaces can measurably reduce patient stress and improve health outcomes. Natural settings such as parks, woodland and forests, facilitate social contact and foster communication between different user groups. Programmes of Read the full story! health interventions delivered in such spaces have the potential to positively impact particularly vulnerable groups, such as children and youth, people with low income, with disabilities or people with a migratory background. This could support better social integration. Access to forests, the quality of their management for public enjoyment and proximity to large populations are key factors in maximizing their value for health and well-being. Forests, along with other green spaces need to be viewed as a key component of a green Photo by: Sergey Novikov on Adobe Stock
K2A Knowledge to Action Key Questions on Forests in the EU 39 infrastructure benefiting public health. Lock-down phases in the EU during the COVID-19 pandemic have revealed forests to be a critical infrastructure for human health and well-being in times of restricted freedom of movement and assembly. Visitor numbers in urban green spaces and forests around urban agglomerations have increased and new user groups have started to visit forests. The impact of wood used as a building material on human health and well- being remains a subject for research. There are indications that the stress levels of people living in wooden buildings are generally lower, and that wooden buildings create more healthy interior climates through summer and winter. Wood used in interior design (furniture, flooring, cladding) contributes to self-perceived wellness. The role of forests for human health and well-being need more research on the many benefits, the dose-effect relations and for improving forest- based care activities. For this, cross- sectoral cooperation with public health professionals, urban developers, and other sectors is encouraged. Additionally, the growing interest in this field represents an opportunity for businesses with innovative approaches towards forest-based health interventions and green care activities to emerge. Photo by:Image’in on Adobe Stock Read the full story at: www.efi.int/forestquestions/q8 Photo by:Alvaro on Adobe Stock
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