Livestock predation by jaguars Panthera onca in south-eastern Mexico: the role of local peoples' practices
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Livestock predation by jaguars Panthera onca in south-eastern Mexico: the role of local peoples’ practices JUAN L. PEÑA-MONDRAGÓN, ALICIA CASTILLO, ALMIRA HOOGESTEIJN and E N R I Q U E M A R T Í N E Z - M E Y E R Abstract Inadequate livestock husbandry practices threaten Introduction the maintenance of global biodiversity and provoke conflicts between people and wildlife, and large carnivorous mam- mals are among the most affected. The jaguar Panthera L arge carnivores play an important role in ecological processes. They affect the density and dynamics of prey species, with cascade effects on ecosystems (Ripple onca is one of the most threatened species in the Americas, et al., ). Habitat fragmentation disturbs the behaviour being targeted by livestock producers who suffer economic of carnivores with large home ranges (Woodroffe, ), losses as a result of predation. The way in which rural produ- and brings them into conflict with people (Thirgood et al., cers in countries such as Mexico conduct husbandry practices ). Inadequate livestock husbandry is considered a major may influence levels of predation by jaguars. Our objective was threat in this regard, particularly in non-industrialized to understand how such practices are conducted in the Selva countries (Hull et al., ) where livestock production is Lacandona in south-eastern Mexico, to identify their influ- badly managed (Ripple et al., ). On the American con- ence on the vulnerability of livestock to predation by jaguars. tinent, jaguars Panthera onca are considered to be a threat to We characterized local husbandry practices through partici- livestock, and conflicts between rural communities and ja- pant observation, interviews and surveys. Our results show guars are common (Caso et al., ; Peña-Mondragón & that the most important practices that make livestock vulner- Castillo, ). In Mexico the jaguar has been extirpated able to predation include the location of grazing lands close to from % of its original distribution (Chávez & Ceballos, forested areas and water sources, the absence of practices for ); meanwhile livestock production has developed ex- the proper disposal of carcasses, and poor control of calving tensively (Chauvet, ), and in cattle occupied and care of calves. Our recommendations include monitoring million ha (INE, ). The land occupied by jaguars of livestock movements and synchronization of calving. is owned by rural inhabitants, with –% of Mexico’s Economic investment and behavioural change can be accom- forested areas owned by indigenous and mestizo communi- plished through capacity building and providing people with ties (Bezaury-Creel & Gutiérrez Carbonell, ). The term the means to monitor and manage their livestock. Small ac- peasant is commonly used (corresponding to campesino in tions can reduce livestock losses and improve the economic Spanish) to refer to these groups, and denotes a way of living circumstances of rural people, and thus increase their toler- that includes multiple uses of natural resources. ance and respect towards jaguars. The tropical rainforest of the Selva Lacandona in the state Keywords Human–carnivore conflict, jaguar, livestock of Chiapas is a priority site for jaguar conservation in husbandry, Mexico, Panthera onca, social–ecological ap- Mexico (Chávez & Ceballos, ), although illegal hunting proach, vulnerability to predation occurs throughout the species’ range in Mexico (Amador- Alcalá et al., ). In the , ha Montes Azules To view supplementary material for this article, please visit Biosphere Reserve was designated to secure the long-term http://dx.doi.org/./S maintenance of regional biodiversity (SEMARNAP, ). Agriculture and livestock production are important liveli- hood activities in the region, with the latter representing JUAN L. PEÑA-MONDRAGÓN and ALICIA CASTILLO (Corresponding author) one of the main sources of income for rural people. Thus, Laboratorio de Socioecología y Comunicación para la Sustentabilidad, perceived and actual predation of livestock by jaguars puts Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro 8701 Col Sn. the species at risk of persecution and elimination José de la Huerta, C.P. 58190, Morelia, Michoacán, Mexico (SEMARNAT, ). Although predation of livestock by E-mail castillo@cieco.unam.mx large mammals has been widely studied (Conforti & ALMIRA HOOGESTEIJN Laboratorio de Salud Ambiental, Departamento de Ecología Azevedo, ; Hoogesteijn & Hoogesteijn, ; Rumiz Humana del CINVESTAV-IPN (Unidad Mérida), Mérida, Yucatán, Mexico et al., ; Peña-Mondragon & Castillo, ) it remains un- ENRIQUE MARTÍNEZ-MEYER Instituto de Biología, Universidad Nacional clear which livestock husbandry practices may trigger pre- Autónoma de México, Coyoacán, 04510 Ciudad de México, Distrito Federal, Mexico dation. If livestock husbandry influences levels of Received May . Revision requested June . predation by carnivores such as jaguars, there is clearly a Accepted August . First published online February . need to understand the motivations and needs of the people Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. 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Livestock predation by jaguars in Mexico 255 FIG. 1 Sites where livestock were attacked by jaguars Panthera onca in ejidos adjacent to the Montes Azules Biosphere Reserve, in the Mexican state of Chiapas. , Zamora Pico de Oro; , Reforma Agraria; , Nuevo San Isidro; , López Portillo; , Adolfo López Mateos; , Galacia; , Playón de la Gloria; , Flor Marques; , Boca Chajúl; , Loma Bonita. involved, and the various aspects of their practices. Thus our human practices we used research instruments from the so- main objective was to characterize livestock husbandry cial sciences applied to the environmental sciences practices to identify those that increase the risk of predation (Supplementary Material ; Newing et al., ). We also col- of livestock by jaguars in the rural communities adjacent to lected ecological information related to the identification of the Montes Azules Biosphere Reserve. sites of livestock predation and landscape fragmentation, to construct an overview of the human–jaguar conflict. Study area We conducted four exploratory visits during –. As a first step, following our ethical code of conduct, we ex- The study was conducted in ‘ejidos’ (a system of land tenure plained the project to local people and asked the local au- that combines individual and communal possession; thorities for permission to conduct the research. Gaining Warman, ) adjacent to the Montes Azules Biosphere trust and empathy was essential, as jaguars are a protected Reserve in the Selva Lacandona (Fig. ), which hosts a species and their elimination is sanctioned with fines and high diversity of Neotropical flora and fauna (Miller et al., prison sentences (Tarrés, ). We collected data during ). Deforestation rates of up to % were recorded in five -day visits, in February and October , March the study area during – (Carabias et al., ). and September and January , using participant ob- Culturally, the Selva Lacandona comprises indigenous and servation, surveys (closed-ended questionnaires) and semi- mestizo communities, which have migrated there since the structured interviews in which we asked open questions and beginning of the th century, mainly from the mountain- allowed participants to talk freely (Table ; Taylor & Bogdan, ous regions of Chiapas (De Vos, ). The Reserve is im- ; Patton, ). For practical purposes the surveys and portant for jaguar conservation (Chávez & Ceballos, ) interviews were integrated into a single instrument, and we but there may be only – individuals remaining there (de recorded the answers to both types of questions on a form. la Torre & Medellín, ). Localities were selected based on evidence of jaguar pres- ence nearby; key actors were identified as those whose live- Methods stock had been attacked by jaguars. Thirty-two heads of families agreed to participate in the study; these were en- We used a socio-ecological systems research approach listed using the snowball sampling method (Newing et al., (Berkes & Folke, ). As our questions were related to ), where participants were asked to refer others who Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. IP address: 46.4.80.155, on 11 Nov 2021 at 21:00:50, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0030605315001088
256 J. L. Peña-Mondragón et al. TABLE 1 Methods used for data collection. grazed on plots of pasture delimited by barbed wire fences, which in some cases are adjacent to borders or transition Method Objective areas with forest patches. Livestock reproduction occurs in Informal talks in the com- To establish initial contact with the corral and pasture units. Livestock move within border munity (Sanchez, 2004) local people, gain access to the community & identify stakeholders zones and forested lands to obtain water from streams or Participant observation To record observations, events & natural springs. (Sanchez, 2004) daily activities in relation to live- The various aspects of livestock husbandry practices are stock management (including illustrated in Fig. . Four broad themes emerge from the talking to people while participat- data: () general aspects of livestock practices, () herd im- ing in local activities) provement, () economic income, and () economic losses. Surveys (Hernández- To obtain information regarding These themes encapsulate the main aims of rural families in Sampieri et al., 2008) specific aspects of cattle herds, economic investments, products & raising livestock: to increase production and economic in- derivatives come to improve their well-being. Semi-structured interviews To obtain detailed information re- More than half of those interviewed (%) had subdivi- (Sierra, 1998) garding processes, motivations & sions within their fenced grazing areas, and rotated livestock needs of producers, which is diffi- every – days within each subdivision. Access to water for cult to obtain through surveys livestock was limited to natural sources such as rivers, streams and springs, which are abundant in the area; all par- ticipants expressed a commitment not to log trees, and to may have had similar problems. People were willing to talk protect vegetation surrounding sites that provided water. and were open to providing information. During the field- The disposal of animal waste was another important aspect work attacks on livestock by jaguars were confirmed of animal husbandry; dead animals were left where they were through examining carcasses (Fig. ). found and were not buried or burned. Reproduction was car- Data analysis consisted of quantifying responses to ried out through free mounting, in which a male is released specific closed-ended questions, and constructing categories close to females. Sometimes directed mounting was carried based on the responses provided to open questions (Strauss, out with a borrowed male stud. Reproduction was conducted ; Newing et al., ). The categories are intended to re- in corrals and in the grazing zones (Fig. ). None of the in- flect the ideas and actions of people according to their own terviewees reported a schedule of vaccinations, and veterin- perspectives, motivations and needs. Frequencies and per- ary assistance would be sought only after considerable losses centages were calculated for each category. As participants had occurred. Only % of interviewees had control of their could give more than one response to the same question, herd (by means of ear tags or burn marks); % reported in- in some cases the percentages exceed %. A first analysis dividual numbering of each head of livestock, mainly to meet consisted of spatially locating each category of livestock the requirements of governmental assistance programmes, practices reported. A qualitative indicator of the vulnerabil- such as the Program of Stimuli for Livestock Productivity. ity of livestock to predation by jaguars was constructed to Ear tags or brands are used to identify individuals within a identify the variables involved and their relative importance, herd. In relation to infrastructure, possession of corrals which was useful for informing recommendations (Table ). (%) and internal subdivisions (%) were most commonly Forage, capture and prey consumption were the three reported by interviewees (Table ). elements used to determine whether vulnerability was Herd improvement Herd improvement is based on nutrition, high, medium or low, following optimal foraging theory and the only food supplement interviewees could provide was (Gutiérrez, ). A value was then assigned for each activity mineral salt. Stud males, used to maintain the genetic health involved in livestock management. of livestock herds, are acquired at livestock auctions or are loaned from other producers (Table ). Females are returned to their reproductive condition through early weaning of Results calves, and are crossed with a new male. Figure relates livestock practices with the type of sur- Family income Families seek to increase their herds to sell roundings where these take place (i.e. human settlement, animals or derivatives. For % of interviewees, live animals corral, pastureland, border or transition zone, or tropical , months of age were the most lucrative product; only % rain forest). Decisions concerning issues such as the location of respondents produced milk and cheese. Other sources of of family plots and rainforest units are taken at the ejido income included economic support from governmental community level. In the corral zone, animals may be re- agencies (% of interviewees) and self-employment (%). moved and kept closer to the family home to avoid the Families also engaged in agricultural activities such as the spread of disease or attacks by predators. Livestock are cultivation of maize (%) and beans (%; Table ). Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. 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Livestock predation by jaguars in Mexico 257 TABLE 2 Indicator of vulnerability of livestock to predation in relation to various management activities, with recommendations for miti- gation, and the type of change needed. Indicator of vulnerability1 Management Easy Easy Quick Vulnerability Type of changes activity access capture consumption level2 Recommendations for mitigation needed Livestock grazing 3 3 3 High Relocate grazing areas away from Economic areas near con- forested lands. If this is not possible, investment served forests create a double perimeter fence in areas adjacent to forested areas. Cattle drink water in 3 3 2 High Build drinking troughs away from ri- Economic riparian zones parian areas; water can be extracted investment from streams & moved through gravity systems. Inappropriate hand- 3 3 2 High Bury or burn livestock carcasses. Behavioural ling of cattle change carcasses No control of re- 2 2 2 Medium Synchronize mating seasons for better Behavioural production & control of births. change births Poor veterinary 2 2 1 Medium Establish vaccine schedules. Carry out Behavioural supervision veterinary monitoring of herds change throughout the year. Poor control of herd 2 1 1 Medium Establish adequate recording of sales, Behavioural deaths, births, & losses from various change causes. Poor handling 1 1 1 Low Keep mature females with experience Behavioural in defending their calves. Avoid change dehorning. Poor infrastructure 2 1 0 Low Invest in perimeter fencing to improve Economic for mitigating separation between pasture lands & investment livestock forested areas. Invest in nocturnal predation confinement corrals to protect young animals. Nutritional 2 2 0 Medium Invest in food supplements that fortify Economic management animals. When possible, use native investment forage plants as supplements. Fertility 1 1 0 Low Do not wean early. Seek veterinary Behavioural management advice to establish strategies for fertil- change ity increase. Sourcing of stallions 0 1 0 Low Source males from various places to Economic invest- improve genetic pools. ment & behav- ioural change , no influence; , low influence; , medium influence; , high influence Sum of vulnerability indicators: –, low; –, medium; –, high vulnerability Economic loss Diseases were perceived to be one of the main allows us to identify factors that impede or restrict changes factors affecting livestock production; % of interviewees in practices that could mitigate predation. reported rabies (viral encephalomyelitis) and % reported anthrax (Bacillus sp.). Predators were another relevant fac- Discussion tor in economic losses, according to % of interviewees. Although we did not ask directly about livestock theft, as Few studies have examined the role of rural peoples’ livestock it is a sensitive subject, it was mentioned by at least inter- practices in relation to predation by jaguars. Our field experi- viewees (Table ). ence indicates that the conflict is accepted among rural inha- Vulnerability to predation The management practices that bitants, government authorities and conservationists expose livestock to risk of predation by jaguars are outlined working in the Selva Lacandona region. However, cam- in Table . The qualitative indicator of livestock vulnerability paigns and mitigation programmes have been conducted Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. IP address: 46.4.80.155, on 11 Nov 2021 at 21:00:50, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0030605315001088
258 J. L. Peña-Mondragón et al. FIG. 2 Spatial distribution of the major components of livestock practices in ejidos adjacent to the Montes Azules Biosphere Reserve (Fig. ). The shading indicates the intensity of the activity (black, high intensity; dark grey, medium intensity; light grey, low intensity). FIG. 3 Categories and specific practices relating to general livestock husbandry, herd improvement, income and economic losses in south-eastern Mexico (Table ), and the relationships between them (solid and dashed lines represent positive and negative relationships, respectively). The categories within the grey-shaded boxes correspond to management practices that affect livestock predation by jaguars, and those within white boxes indicate responses of interviewees. without a deep understanding of the views of those affected throughout the jaguar’s natural range (Azevedo & Murray, by the conflict. Our results may be restricted to the Selva ; Palmeira et al., ; Donikar et al., ; Soto- Lacandona region but the context of our study is similar to Shoender & Giuliano, ; Garrote, ; Zarco-González that in other places in Mexico, as well as in Central and South et al., ; Soh et al., ). We also identified this pattern, America (Burgas et al., ; Tortato et al., ). with cattle becoming vulnerable to predation when they Livestock grazing near well-preserved portions of jaguar move near natural areas to obtain food and water. habitat has been reported as a major cause of predation Another factor that contributes to livestock vulnerability is Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. IP address: 46.4.80.155, on 11 Nov 2021 at 21:00:50, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0030605315001088
Livestock predation by jaguars in Mexico 259 TABLE 3 Categories and specific practices relating to the general management of livestock, herd improvement, income and economic losses, with the percentage of interviewees (n = ) who used each practice. Category Specific practices % General management of livestock Type of grazing Free within fenced area 100 Grazing rotation 62.5 Water sources Rivers & streams 100 Carcass control Carcasses not moved 81.25 Moved when useful 18.75 Reproduction Free mount 100 Mount directed 3.12 Disease control When necessary (corrective) 100 Herd control Individual marking 46.87 Family tree 25 Written control 25 Record of individuals 18.75 Record of deaths 9.37 Handling of herd Vaccination 100 Anti-mite shower 100 Dehorning 37.37 Castration 12.5 Infrastructure Management corrals 59.37 Internal subdivisions 50 Internal roads 46.87 Feeders 43.75 Night corrals 12 Barns 6.25 Herd improvement Nutrition Mineral salt 100 Fertility increase Early weaning 50 Male effect 12.5 Hormonal 9.37 Origin of stallion Auction 46.87 Other cattle owner 46.87 Own 21.87 Income Livestock products Sale of cattle 96.87 Milk 6.05 Cheese 6.25 Supplementary economic activities Workforce 3.12 Government support 21.87 Local business 12.5 Local transport 3.12 Temporary employment 3.12 Agricultural supplies Corn 75 Subsistence 75 Sale 50 Bean 71.8 Subsistence 71.8 Sale 53 Economic losses Disease Rabies (viral encephalomyelitis) 56.25 Anthrax (Bacillus anthracis) 50.5 Malignant edema (Clostridium septicum) 37.5 Blackleg (Clostridium chauvoei) 21.87 Dehydration 3.12 Predators Jaguar Panthera onca 50 Theft Other Stuck in mud 9.37 Attack by vultures 3.12 Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. IP address: 46.4.80.155, on 11 Nov 2021 at 21:00:50, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0030605315001088
260 J. L. Peña-Mondragón et al. the handling of dead animals. In the study area carcasses are Taking into account factors such as disease and preda- not removed, and this can encourage carnivores to attack tion, livestock production becomes an activity that requires livestock, and may even create some dependency or prefer- high levels of investment, which is impossible for the major- ence for livestock as a source of food (Hoogesteijn & ity of families in the Selva Lacandona. Livestock theft must Hoogesteijn, ). Thus incineration or burying of dead an- also be evaluated as it results in significant losses for produ- imals is a recommended practice (Sander et al., ; cers, as has occurred in South America (Hoogesteijn & Hoogesteijn & Hoogesteijn, ). Proper handling of repro- Arenas-Avella, ). duction activities and management of calves are also import- A broad conclusion derived from our findings is that sev- ant factors in reducing predation by carnivores (Schiess-Meier eral specific livestock husbandry practices make herds in the et al., ). Providing special confinement corrals for vulner- Selva Lacandona more vulnerable to attack by jaguars (these able young calves (, months) provides security (Van practices and our recommendations are outlined in Table ). Bommel et al., ; Hoogesteijn & Hoogesteijn, ) and Two broad types of changes were identified to implement facilitates vigilance by livestock keepers. these recommendations: () economic investment, and () A relevant issue that emerged is the need for a written re- behavioural changes in communities and in relation to the cord of every animal that is sold or has died, whether by nat- cultural and educational histories of families. Both matters ural or other causes (e.g. disease, drowning, snake bite or require technical and communication interventions, with attack by a predator). This practice was not evident in our the provision of financial support. Mitigation programmes study, resulting in overestimation of the damage caused by already in existence should consider not only a payment for jaguars (Hoogesteijn & Hoogesteijn, ). We found that animals lost in attacks by carnivores (which is helpful) but the approach to disease management was remedial rather also the implementation of a more integral strategy that in- than preventive, and this behaviour has been passed down cludes a capacity-building perspective (Abella & Fogel, through generations. Good health management results in ). Training workshops that provide technical advice fewer losses at birth and in general, which in turn increases should be accompanied by visual educational materials de- productivity, and thus losses caused by predation are not as signed for people with poor literacy skills or who have little devastating to the family economy. In most cases livestock experience of using written materials. Provision of certifi- losses to predators are fewer than those caused by other fac- cates for good livestock practices may help people to get ac- tors, including disease (Hoogesteijn & Hoogesteijn, ). At cess to economic support and resources such as materials present, disease management is mostly confined to vaccin- for fences or veterinary assistance. One important recom- ation programmes administered by government agencies. mendation relates to the monitoring of livestock herds. We This economic incentive accompanied by an educational advise the use of written records of all livestock, which could campaign could raise awareness of the benefits of more ef- be maintained by marking in special notebooks designed for ficient livestock practices. those with a low level of literacy (Supplementary Fig. S). Early weaning is a harmful practice used to increase ani- Finally, we recommend that agents such as the govern- mal production. It is not recommended as it can lead to low ment and NGOs provide educational interventions meat production; a young calf left with its mother can be (awareness-raising and training) as well as economic sup- more productive (Arias et al., ). It can also lead to di- port to help families improve their livestock husbandry gestive and respiratory illnesses, as well as diseases related practices. Conversion to efficient and productive practices to poor adaptation as a result of weak body state and/or re- would improve families’ economic circumstances, which tarded growth (Soni, ). Thus, early weaning produces could translate into greater investment in infrastructure weaker individuals that may be more susceptible to diseases, and veterinary care, and ultimately increase productivity. and vulnerable to predation by carnivores such as the jaguar. Such actions can be effective in mitigating conflict, and Changing this practice will require training to ensure that may create a scenario of greater tolerance for jaguars in producers understand the infrastructure required for the ap- the Selva Lacandona. propriate management of both mothers and young. Livestock production in the Selva Lacandona represents a source of complementary income for families, as in other Acknowledgements parts of Mexico and elsewhere (FAO, ; Davies et al., ). There is a need to supplement the family economy This paper constitutes a partial fulfilment of the Graduate with governmental support and subsistence agriculture Programme in Biological Science (Posgrado en Ciencias partly because livestock production does not provide the Biológicas) of the National Autonomous University of yields expected. However, this creates a circular problem: Mexico (UNAM). AC acknowledges the PhD scholarship re- because livestock does not provide the necessary earnings ceived from the National Council of Science and Technology people do not invest in better management of their livestock, (CONACYT) and the support received from the Instituto de although this would increase their returns in the long term. Investigaciones en Ecosistemas y Sustentabilidad of UNAM. Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. 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() Spatial correlates of livestock depredation Biographical sketches by Amur tigers in Hunchun, China: relevance of prey density and implications for protected area management. Biological J U A N L . P E Ñ A - M O N D R A G Ó N is interested in the socio-ecology of Conservation, , –. large carnivores, and human–wildlife conflict. He works to develop S O N I , C. () Enfermedades que afectan a los terneros de destete measures to mitigate livestock depredation by large carnivorous mam- precoz. Su prevención. Noticias y comentarios Instituto Nacional de mals, involving local people in the conservation of species and the eco- Tecnología Agropecuaria, Estación Experimental Agropecuaria systems they share with wildlife. A L I C I A C A S T I L L O is interested in the Mercedes, , –. social aspects of ecosystem management, with a particular focus on S OT O -S H O E N D E R , J.R. & G I U L I A N O , W.M. () Predation on common pool resources and human–wildlife conflict. A L M I R A livestock by large carnivores in the tropical lowlands of Guatemala. H O O G E S T E I J N is a veterinarian and has worked on wildlife conserva- Oryx, , –. tion projects in the Americas and Europe for . years. Her main re- S T R A U S S , A.L. () Qualitative Analysis for Social Scientists. search focus is on the impact of pesticides and heavy metals on human Cambridge University Press, Cambridge, UK. and animal health, and stock management strategies to decrease pre- T A R R É S , M. L. () Observar, escuchar y comprender. Sobre la dation. E N R I Q U E M A R T Í N E Z - M E Y E R is interested in understanding tradición cualitativa en la investigación social. Región y Sociedad, , how environmental changes affect biodiversity, and how this pressure –. can be reduced. He has worked on global change biology issues, focus- T AY LO R , S.J. & B O G D A N , R. () Introducción a los métodos ing on the application of ecological niche theory and methods, conser- cualitativos de investigación. Paidós, Barcelona, Spain. vation biology, climate change and biogeography. Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088 Downloaded from https://www.cambridge.org/core. IP address: 46.4.80.155, on 11 Nov 2021 at 21:00:50, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0030605315001088
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