THE POTENTIAL NICHE OF Guaiacum coulteri IN PROTECTED NATURAL AREAS OF - SONORA TO OAXACA, MEXICO - Interciencia

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THE POTENTIAL NICHE OF Guaiacum coulteri IN PROTECTED NATURAL AREAS OF - SONORA TO OAXACA, MEXICO - Interciencia
THE POTENTIAL NICHE OF Guaiacum coulteri IN PROTECTED NATURAL AREAS OF
SONORA TO OAXACA, MEXICO
Bruno Rodríguez-López, Jaime Sanchez, Gamaliel Castañeda G., Miguel Borja, Omag Cano Villegas, Raúl López
García and Gisela Muro-Pérez

SUMMARY

  The genus Guaiacum belongs to the family Zigophyllaceae, en-                Sinaloa, data which matches that of the present study. The re-
compassing six species of evergreen trees and shrubs. The geo-                sult of ecological niche modeling for G. coulteri has a coverage
graphical distribution model allows designing and creating prob-              of 24,908.238 km2 and the surface of the ANPs is 13,545.76 km2;
abilistic maps of sites where species are distributed. The Maxent             when overlaying them, the niche area within these is 1,104.42
program projects patterns of geographic distributions by using                km2, which corresponds to a coverage of 9.21%. The results sug-
ecological niche models. In Mexico, several studies indicate that             gest that modeling of the potential G. coulteri niche matches the
the distribution of G. coulteri covers 11 Protected Natural Ar-               current distribution of the species; although there are areas of
eas (ANP, for their name in Spanish) covering 2,777km2; of this               modeling that are not found within the ANP, the resulting model-
area, 75% corresponds to the states of Oaxaca, Sonora and                     ing can be used as a basis for proposing specific fieldwork sites.

Introduction                           (Maryland-Report, 2000). The           of Kricogonia lyside, which                    blue ‘matlali’ dye named after
                                       bud of f lowers is blue-violet         prefer to lay their eggs on the                the Aztecs (Haude, 1998). At
  The countries with the great-        and grow in clusters or isolated;      leaves of G. coulteri, considered              present, Sonoran inhabitants
est biodiversity are tropical          blooming occurring during the          as a food source plant for but-                use a mixture of green organic
countries, and such is the case        months of April and September          terf lies in Sonora (Honcoop,                  resin of G. coulteri, clay and
of Mexico, where many species          (Mielke, 1993). It can be con-         1997).                                         water to produce the coloring
are endemic (Grow and                  sidered as an endemic species             Some medicinal uses are at-                 agent        ‘Antezj      kóil’
Schwartzman, 2001) or listed as        to Mexico, since it is distributed     tributed to this plant, as expec-              (Haude,1998).
rare (Contreras-Medina et al.,         naturally from Sonora to               torant and blood purifying ele-                   The population size of G.
2010). The genus Guaiacum              Oaxaca (Porter, 1972; Mielke,          ment (Grow and Schwartzman,                    coulteri for the Mexican terri-
belongs to the Zigophyllaceae          1993; CITES, 2000; Grow and            2001), as well as laxative, di-                tory is unknown, although in
family, which consists of six          Schwartzman, 2001; Martínez            uretic and in the treatment of                 the Maryland-Report (2000) it
species of evergreen trees and         and Galindo-Leal 2002, Dertien         joint rheumatism (Maryland-                    is mentioned that this is a lo-
shrubs distributed throughout          and Duval 2009). The species is        Report, 2000). G. coulteri and                 cally abundant species with
Latin America (Mar yland-              exploited locally, and its natural     G. sanctum share other medici-                 isolated specimens and grows
Repor t, 2000; Grow and                populations are under pressure         nal properties such as anti-can-               at low densities. Because
Schwartzman, 2001). Some of            due to land use changes that           cer, diuretic and anti-inflamma-               there are no recent studies,
the species of the genus               become a threat to their surviv-       tory (CITE, 2000). In the case                 natural populations are likely
Guaiacum are in a risk catego-         al (Grow and Schwar tzman,             of G. coulteri, resin extraction               to have decreased, as the dis-
ry due to loss of their habitat        2001). It is considered a food         is used in the manufacture of                  tributions of G. sanctum and
(ARW, 1998; CITES, 2002;               source for insects and larvae in       special devices for the detection              G. off icinale have been re-
Gordon et al., 2005).                  various plant associations, such       of gastrointestinal bleeding                   duced due to land use changes
  Guaiacum coulteri is a small         as in deciduous chaparral for-         (Barsch et al., 2002). The flow-               for agricultural purposes, ur-
evergreen tree of slow growth,         ests (Maryland-Report, 2000);          er of G. coulteri is used in the               banization, and for the tour-
with a maximum height of 4m            an example being the females           production of an intense organic               ism sector.

KEYWORDS / Distribution / Ecological Niche / Modeling / Protected Natural Areas /
Received: 13/03/2020. Modified: 20/02/2021. Accepted: 08/02/2021.

Bruno Rodríguez-López. Master of       Gamaliel Castañeda G. Biologist,        a nd Env i ron me nt of A r id                Gisela Muro-Pérez. (Correspondig
  Science in Biodiversity and            UJED, Mexico. Doctor of Scien-        Zones, Universidad Autónoma                     author). Biologist, UJED, Mexico.
  Ecology, and doctoral student,         ces in Ecology and Wildlife           de Chapingo, Mexico. Doctoral                   Doctor of Sciences in Natural
  Universidad Juárez del Estado de       Management,         Universidad       student, UJED, Mexico.                          Resources Management, UANL,
  Durango (UJED), Mexico.                Autónoma de Nuevo León               Raúl López García. Master of                     Mexico. Profeesor, UJED,
  Professor, UJED, Mexico.               (UANL), Mexico.                       Science in Natural Resources                    Mexico. Address: Facultad de
Jaime Sanchez. Biologist, UJED,        Miguel Borja. Biologist and Doctor      a n d E n v i r o n m e n t of A r i d          Ciencias Biológicas, UJED. Av.
  Mexico. Doctor of Sciences in          in Biomedical Sciences, UJED,         Zones, Universidad Autónoma                     Universidad          s/n, Fracc.
  Natural Resources Management,          Mexico. Professor, UJED, Mexico.      de       Chapingo,             M e x i c o.     Filadelfia, CP. 35010, Gómez
  UANL, Mexico. Professor,             Omag Cano Villegas. Master of           D o c t o r a l s t u d e n t , U J E D,        Palacio, Durango, México. e-
  UJED, Mexico.                          Science in Natural Resources          Mexico.                                         mail: giselamuro@ujed.mx.

                 JANUARY 2021 • VOL. 46 Nº 1                 0378-1844/14/07/468-08 $ 3.00/0                                                                 43
THE POTENTIAL NICHE OF Guaiacum coulteri IN PROTECTED NATURAL AREAS OF - SONORA TO OAXACA, MEXICO - Interciencia
EL NICHO POTENCIAL DE Guaiacum coulteri EN ÁREAS NATURALES PROTEGIDAS DE SONORA A OAXACA,
MÉXICO
Bruno Rodríguez-López, Jaime Sanchez, Gamaliel Castañeda G., Miguel Borja, Omag Cano Villegas, Raúl López García
y Gisela Muro-Pérez
RESUMEN
  El género Guaiacum pertenece a la familia Zigophyllaceae y            presente estudio. El resultado del modelaje del nicho ecológico
abarca seis especies de árboles y arbustos siempre verdes. El           de G.coulteri tiene una cobertura de 24.908,238km2 y la super-
modelo de distribución geográfica permite diseñar y crear ma-           ficie de las ANP es de 13.545,76km2, que al ser sobrepuestas
pas probabilísticos de sitios donde se distribuyen las especies.        revelan un área de nicho dentro de 1.104,42km2, la cual corres-
El programa Maxent proyecta patrones de distribuciones geo-             ponde a una cobertura de 9,21%. Los resultados sugieren que
gráficos mediante el empleo de modelos de nicho ecológico. En           el modelaje de nicho potencial de G. coulteri coincide con la
México, diversos estudios registran 11 Áreas Nacionales Prote-          distribución actual de la especie; aunque hay áreas del modela-
gidas (ANP) donde se distribuye la especie en estudio, con una          je que no se encuentran dentro de las ANP, el modelaje resul-
cobertura de 2.777km2; un 75% del área corresponde a los es-            tante puede usarse como base para proponer trabajo de campo
tados de Oaxaca, Sonora y Sinaloa, datos que coinciden con el           en sitios específicos.

O NICHO POTENCIAL DE Guaiacum coulteri EM ÁREAS NATURAIS PROTEGIDAS DE SONORA A OAXACA,
NO MÉXICO
Bruno Rodríguez-López, Jaime Sanchez, Gamaliel Castañeda G., Miguel Borja, Omag Cano Villegas, Raúl López García
e Gisela Muro-Pérez
RESUMO
  O gênero Guaiacum pertence à família Zigophyllaceae e                 te estudo. O resultado da modelagem do nicho ecológico de G.
abrange seis espécies de árvores e arbustos sempre-verdes. O            coulteri tem uma cobertura de 24.908,238km2 e a superfície das
modelo de distribuição geográfica permite desenhar e criar              ANP é de 13.545,76km2, que quando sobrepostas revelam uma
mapas probabilísticos de locais onde estão distribuídas as es-          área de nicho dentro de 1.104,42km2, que corresponde a uma
pécies. O programa Maxent projeta padrões de distribuição               cobertura de 9,21%. Os resultados sugerem que a modelagem
geográfica mediante a modelagem de nicho ecológico. No Mé-              de nicho potencial de G. coulteri coincide com a distribuição
xico, diversos estudos registram 11 Áreas Nacionais Protegidas          atual da espécie; embora existam áreas da modelagem que não
(ANP) onde está distribuída a espécie em estudo, com uma co-            se encontram dentro das ANP, a modelagem resultante pode ser
bertura de 2.777km2; 75% da área corresponde aos estados de             usada como base para propor trabalho de campo em locais es-
Oaxaca, Sonora e Sinaloa, dados que coincidem com o presen-             pecíficos.

   The geographic distribution         Natural Protected Areas          these serve as a first contact     Herbarium (US). Four hundred
modelling of plant species is       (ANP, for their name in             with the species and provide       and two records were obtained
considered a vitally important      Spanish) are sites that contrib-    information such as taxonomic      from the GBIF portal.
tool, since it allows to design     ute to the conservation of spe-     characteristics and geographical   Afterwards, a database with
and create probabilistic maps       cies, although they are often       features that are in turn rooted   taxonomic and geographical at-
of sites where species are dis-     established for political purpos-   in websites such as the portal     tributes was developed and a
tributed (Mar tínez-Meyer,          es, and the species do not have     of the Global Fund for             duplicate data elimination was
2005). In turn, it is comple-       real protection (Paredes-García     Biodiversity       Information     carried out, leaving a total of
mented by the provision of          et al., 2011). The present study    (GBIF). The latter includes col-   139 locations. The requirement
computer programs to obtain         focused on modeling the poten-      lections of the National           of having a minimum of 50 lo-
biogeographic information and       tial ecological niche of            Herbarium of Mexico, Instituto     cations was met, so that the
is also an advantage that can       Guaiacum coulteri in ANPs in        de Biología, UNAM (MEXU);          modeling of the potential distri-
be analyzed with a number of        the Mexican states of Sonora,       the Herbarium of the National      bution is not overestimated or,
existing records. For these         Sinaloa, Nayarit, Jalisco,          School of Biological Sciences,     in its absence, underestimated
models, the Maxent program          Colima, Michoacán, Guerrero         Instituto Politécnico Nacional     (Scheldeman and Zonneveld,
stands out, allowing to project     and Oaxaca.                         (ENCB); the Herbarium of the       2011). Google Earth was used
patterns of geographical distri-                                        Instituto de Ecología in Xalapa    for geo-referencing of the model
butions through the use of eco-     Methodology                         (XAL); and the Herbarium of        following the methodology of
logical niche models, built on                                          the Instituto de Ecología in El    Pérez-García and Liria (2013).
the basis of specific records of    Obtaining species data              Bajío (IEB), as well as biologi-
collection locations (Phillips et                                       cal collections abroad as, for     Modeling of the potential
al., 2004, 2006; Hernández et          The data for this study were     example, the New York              niche of the species
al., 2006; Phillips and Dudík,      collected from scientific collec-   Botanical Garden (NY); the
2008; Illoldi-Rangel and            tions (Soberon and Nakamura,        Missouri Botanical Garden            The program used to display
Escalante, 2008).                   2009; Soberon, 2012), since         (MO) and the U.S. National         the potential distribution was

44                                                                                              JANUARY 2021 • VOL. 46 Nº 1
Maxent, since it is one of the       the model was selected and in       endemic species of flora and        eight types of vegetation have
best algorithms for modeling         turn extrapolated to ArcGis         fauna. It has three core areas      been identified (Ceballos and
the potential species niche          9.3.1 software (ESRI, 2008),        that comprise the islands of        Miranda, 1986; Castillo and
(Ortega and Peterson, 2008). It      and placed at the ANP loca-         María      Magdalena,      María    Gómez-Pompa,               1991;
is considered an artificial intel-   tions in order to calculate the     Cleofás and San Juanito, as         Ceballos, 1991; Ceballos et
ligence method that applies the      potential distribution on them      well as the adjacent marine         al., 1994). In the coastal plain
principle of maximum entropy         and estimate the percentage of      portion. María Madre Island is      of the Cuitzmala River, of
to calculate the most suitable       distribution.                       the largest island, the only one    ~800ha, there are numerous
geographical distribution of a                                           with a human population and         types of vegetation such as
species. This method estimates       Biodiversity in ANPs                has been home to a Federal          mangrove, riparian vegetation,
the probability of occurrence of                                         Criminal Colony since 1905.         carrizal, aquatic vegetation,
the species looking for the dis-     Zicuirán-Infiernillo:        The    The Islas Marías Biosphere          vegetation of coastal dunes
tribution of maximum entropy         Zicuirán-Infiernillo Biosphere      Reserve was created on              and      grasslands.    In    the
(as uniform as possible) subject     Reserve was established in          November 27, 2000, with an          ‘lomeríos’ the low deciduous
to the condition that the ex-        November 2007. It is located in     area of 641,285ha and a depth       forest dominates, although
pected value of each environ-        the municipalities of Arteaga,      of up to 200m. The Federal          there are other types of vege-
mental variable according to         Churumuco, La Huacana and           Criminal Colony is a peniten-       tation that are more localized,
this distribution coincides with     Tumbiscatío, 103km southwest        tiary center of the Federal         such as the medium-sized
the empirical mean. For model-       of the city of Morelia,             Government of Mexico, estab-        sub-deciduous forest.
ing, the Contreras-Medina et         Michoacán, Mexico. Its exten-       lished on May 12, 1905 by           Huatulco: A deciduous forest
al. (2010) methodology was           sion is just over 265,117ha.        Porfirio Díaz. At a given time,     is located in the polygon of
followed, performing a total of      The predominating vegetation        the worst criminals were held       the Huatulco National Park,
100 repetitions to avoid model-      in the area is a low deciduous      there; subsequently, prisoners      which presents a good state of
ing biases, accounting 70% of        and subcaducifolia forest, with     that were not related to the        conservation and a high biodi-
the records for modeling and         no degree of disturbance, cov-      government or who had fought        versity of flora and fauna.
30% for their evaluation. The        ering about 75% of the territory    against the state were allowed      There are 430 species of flora,
cross-validation option was in-      of the ANP. Due to the size of      to leave. On December 30,           15 species of amphibians, 291
cluded, which consists of repli-     the area, this percentage makes     1939, former President Lázaro       species of birds, 130 species
cating the data for the elabora-     it the most extensive area, na-     Cárdenas authorized that those      of mammals and 72 species of
tion of the models and the           tionwide, for the protection of     prisoners, called there settlers,   reptiles in the area. Of the to-
same data used to evaluate the       this     type    of   vegetation.   could live with their families      tal, 146 species are under a
next model. The parameters           Vertebrates have an important       (CONANP, 2007).                     protection status according to
used to obtain these models          presence in the region; of the      Gulf islands of California:         NOM-059-SEMARNAT-2010
were: regularization multiplier=     161 species of mammals de-          Located in the states of Baja       (CONANP, 2003).
1, maximum number of back-           scribed for Michoacán, 86 spe-      California Sur, Sonora and          Cacaxtla Meseta: Located in
ground points= 10000, conver-        cies have been registered in the    Sinaloa, with an area of            the municipalities of San
gence limit= 0.00001, and max-       ANP, which implies that             418,910ha, it was established       Ignacio and Mazatlan, in the
imum iterations= 500. A set of       Zicuirán-Infiernillo is a refuge    as a reserve and refuge area        state of Sinaloa, covers an area
19 bioclimatic layers were ob-       for more than 53% of species.       for migratory birds and wild-       of 50,862ha. The ANP was de-
tained from the WorldClim            On the other hand, 253 species      life in 1978. The origin of         creed in 2000, as a protection
portal, as proposed by Hijmans       of birds have been registered,      these islands is attributed to      of flora and fauna area under
et al. (2005). Additionally, the     representing almost 47% of the      processes linked to tectonic        the     name     of    ‘Cacaxtla
digital elevation model of           539 species registered for the      and volcanic activity. There        Meseta’. It has a floristic list
INEGI (1985) was used.               state and about 25% of the spe-     are 2,700 plant species in the      of more than 200 species of
                                     cies registered for all of          islands (Wiggins, 1980; Case        vascular plants. Among the
Bioclimatic layer correlation        Mexico. Of them, 101 birds are      and Cody, 1983).                    representative fauna species is
analysis                             migratory. Regarding the herpe-     Chamela-Cuixmala and Teopa          the gila monster Heloderma
                                     tofauna, 69 species have been       beach: The establishment of         horrridum (Lavín et al., 2002),
   Given that bioclimatic layers     registered, representing 37% of     the UNAM biology station in         and six existing feline species
can be correlated among them,        the state amphibian and reptile     Chamela took place in 1971.         from Mexico have been regis-
a bivariate correlation analysis     species (CONANP, 2007).             The beaches of Cuixmala and         tered for the ANP (Ceballos
was performed with the SPSS
                                     Islas Marías: Located 132km         Teopa, located within the re-       and Oliva, 2005).
version 18 software (SPSS,
2009). If two variables shared       from San Blas, Nayarit, the ar-     serve, were established as          Chamela Bay islands: Located
a correlation coefficient >0.8,      chipelago called ‘Islas Marías’     sanctuaries for the protection      off    the     coast    of    the
that one was selected as most        is made up of four islands, en-     of sea turtles on October 29,       Municipality of La Huerta,
significant layer at the biologi-    listed from larger to smaller as    1986.     Since     1988,    the    Jalisco, they constitute the first
cal level for each species or        María         Madre,      María     Ecological      Foundation    of    sanctuary in Mexico estab-
those simplest layers of             Magdalena, María Cleofás and        Cuixmala, A.C., and UNAM            lished as an ANP on June 13,
interpretation.                      San Juanito Islands. It has a       conducted studies for the es-       2002. The only nesting colo-
                                     subtropical climate with rains      tablishment of a biosphere re-      nies on the entire Jalisco coast
Distribution of the potential        in the summer, and encompass-       serve in the region, the decree     for seabird species such as the
niche within the ANPs                es different ecosystems such as     of which was published on           brown pelican (Pelecanus oc-
                                     mangroves, low deciduous for-       December 30, 1993. The re-          cidentalis), the yellow-footed
  Upon completing modeling           ests and medium sub-deciduous       serve protects aquatic and ter-     booby (Sula leucogaster) and
of the potential distribution,       forests,      with     numerous     restrial environments, where        the blue-footed booby (S.

               JANUARY 2021 • VOL. 46 Nº 1                                                                                                  45
nebouxii) occur on these is-        extension of 2.4km where             this area corresponds to the
lands. Other species that nest      most of the sea turtles nest; to     states of Oaxaca, Sonora and          Modeling the ecological niche
or take refuge in the islands       the center of the Maruata coast      Sinaloa, data that coincide with      of G. coulteri
are the common frigate              line is a small beach of 90m         the present study. Vanclay
(Fregata magnificens), cormo-       and at the west end is a beach       (2001) and Jackson et al.                The generated model f its
rants (Phalancrocorax oliva-        of ~150m. The average width          (2009) have suggested that just       the range of G. coulteri.
ceus), night heron (Nycticorax      of the beaches is 40m. On the        because a species is found            Moreover, it is worth mention-
nycticorax),     heron     cinder   main beach, where the bay is         within an ANP, it does not            ing that this model predicts
(Ardea herodias), white heron       located, the site ends abruptly      guarantee its conser vation;          potential niches in the states
(A. alba), golden-eared heron       with vegetation composed             therefore, it is proposed that        of Tamaulipas and Baja
(Egretta thula), ladle heron        mainly of shrubs of the Acacia       greater conservation efforts be       California Sur; however, there
(Cochlearius cochlearius), piji-    genus, which marks the limit         made.                                 are no records of this species
je duck (Dendrocygna autum-         of the beach and the beginning                                             in the collections. For
nalis), white ibis (Eudocimus       of a rocky edge. The beach is        G. coulteri surface in ANPs           Tamaulipas, the G. angusti-
albus), pink spatula (Platalea      bare of vegetation, although                                               foluim record is available, and
ajaja), dark ibis (Plegadis chi-    only Ipomea pescaprae patch-            The G. coulteri ecological         for Baja that of the species G.
hi),      common         buzzards   es are found, which are orient-      niche modeling resulted in a          sanctum Also, when analyzing
(Coragyps      atratus),    auras   ed towards the sea. In the           coverage of 24,908,238km 2 .          the records, it was noticed that
(Cathartes aura), as well as        eastern limit, there is a strip of   The surface of the ANPs               there were locations in Baja
several species of passerine        vegetation of ~100m formed           (Chamela-Cuixmala,           El       California and Chiapas, and
birds and some migratory ones       by shrubs of deciduous forest,       Veladero, Chamela Bay Islands,        such unconventional records
(CONANP, 2008).                     mainly from the Prosopis,            Marías Islands, Cacaxtla              are due to a bad identification
Escobilla beach: The ecosys-        Acacia,                Glirisidia,   Plateau, Maruata Beach and            of the species or to taxonomic
tems that are protected in this     Phitocellobium and Solanum           Colola, Teopa Beach, Zicuiran-        er rors. Since there are two
ANP are mangrove, medi-             genera. Across this strip of         Infiernillo and Huatulco) was         other species and a variety: G.
um-sized deciduous forest,          vegetation is the coastal road       13,545.76km2. When overlaying         angustifolium, G. unijugum
thorny thicket, coastal dune        (INEGI, 1985).                       the ANP polygons, the area of         and G. coulteri var. palmeri,
vegetation, tular, floating and     Veladero: It is an ecological        the niche within them was             according to McCauley et al.
submerged vegetation, palm          reserve located in the bay of        1,104.42km 2 , which cor re-          (2010) it is likely that the lat-
groves, halophyte plant clus-       the     port     of    Acapulco,     sponds to a coverage of 9.21%         ter has a greater similarity.
ters, low deciduous forest, and     Guerrero, southern Mexico. It        (Figure 1). The ANP with the          The bioclimatic layers with
grassland. The main species of      has a surface of 3,159ha and         largest distribution areas were       greater precision for modeling
fauna to be protected is the        within the site, there is a lo-      Zicuirán-Inf ier nillo     with       were the seasonality of precip-
golf turtle (Lepidochelys oliva-    cality that bears the same           518.33km 2 and the Marias             itation (Bio 15, with a contri-
cea), since this beach is the       name as the park. The vegeta-        Islands with 217.69km 2, while        bution of 28,6) and the annual
most important nationwide for       tion includes, as in most of         the highest percentage within         average temperature (Bio 1,
the number of females that an-      the municipality, forests of         the ANP is Playa Teopa, with          contribution of 31,5), followed
nually lay their eggs, although     medium subcaducifolia type.          87.48%, followed by Huatulco          by elevation (contribution of
there are also birds such as the    The oaks Quercus affinis and         with 67.05% (Figure 1).               9.6%). Of the 139 u nique
blue hummingbird (Eupherusa         Q. laurina predominate, as
cyanophrys) that is endemic to      well as a deciduous forest.
the region and considered           The abundant fauna consists
threatened, as well as the          of species of carnivorous
green toucan (Aulacorhynchus        birds, reptiles such as iguanas
prasinus) and hawks consid-         and snakes, boa (Constrictor
ered under special protection.      imperator),               garrobo
Marine mammals such as the          (Ctenosaura pectinata), osprey
false killer whale and several      (Pandion haliaetus), scorpion
species of dolphins have been       (Heloderma horridum) and co-
registered     in    the     sea.   jolite (Penelope purpurascens)
Meanwhile, regarding the flo-       (INE, 2007).
ra, there is black mangrove
(Avicennia germinans), red          Results and Discussion
mangrove (Rhizophora man-
gle),      white       mangrove     Protected natural areas
(Laguncularia racemosa) and
button mangrove (Conocarpus            The distribution of G. coul-
erectus) (CONAN, 2009).             teri covers 11 Natural
Maruata and Colola beach:           Protected Areas (APN). These
Maruata beach corresponds to        results coincide with López et
the bay of the same name; it        al., 2011, who also recorded 11
is a marine and coastal wet-        APNs where the species under
land where there are three          study is distributed in the
beaches. The main beach lo-         Mexican territory, with a cov-       Figure 1. Distribution of localities of G. coulteri and Protected Natural
cated to the east, with an          erage of 2,777km2. The 75% of        Areas near their distribution.

46                                                                                                 JANUARY 2021 • VOL. 46 Nº 1
distribution of the species. The             Reser va de la Biosfera de
                                                                          model shows that the species is              Chamela-Cuixmala. Fundación
                                                                                                                       Ecológica de Cuixmala-UNAM.
                                                                          found only in 11 of the 57
                                                                                                                       México. 141 pp.
                                                                          ANPs close to its known distri-
                                                                                                                   Ceballos G, Oliva G (2005) Mustela
                                                                          bution, so it is considered to be
                                                                                                                       frenata. In Ceballos G, Oliva G
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             Name                      Area Km2            Niche area in the ANP             Percentage            Contreras-Medina R, Luna-Vega I,
                                                                                                                       Ríos-Muñoz        CA     (2010)
Zicuirán-Infiernillo                    2637.04                    518.33                       19.66                  Distribución de Taxus globosa
Marías Islands                          6353.12                    217.69                        3.43                  (Taxaceae) en México: modelos
Golfo de California Islands             3745.53                    201.15                        5.37                  ecológicos de nicho, efectos del
Chamela-Cuixmala                         130.74                     80.16                       61.31                  cambio del uso de suelo y con-
Huatulco                                 119.44                     80.08                       67.05                  servación. Rev. Chil. Hist. Nat.
Meseta de Cacaxtla                       503.18                     6.38                         1.27                  83: 421-433.
Bahía de Chamela Islands                 19.69                      0.21                         1.09              Der tien J, Duval M (2009)
Teopa Beach                               0.12                      0.10                        87.48                  Biogeography and divergence in
Escobilla Beach                            0.3                       0.3                         100                   Guaiacum               sanctum
Maruata y Colola Beach                    0.33                      0.01                         3.67                  (Zygophyllaceae) revealed in
                                                                                                                       chloroplast DNA: Implications
El Veladero                              36.27                      0.01                         0.03                  for conservation in the Florida
                         Total         13545.76                   1104.42                                              Keys. Biotropica 41: 120-127.

               JANUARY 2021 • VOL. 46 Nº 1                                                                                                          47
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