Regional deforestation drives the impact of forest cover and matrix quality on primate species richness

Galán‐Acedo, Carmen; Spaan, Denise; Bicca‐Marques, Júlio César; Azevedo, Renata Bocorny de; Villalobos, Fabricio; Vergés, Fernando Antonio Rosete

doi:10.1016/j.biocon.2021.109338

Cited by 14 publications

(11 citation statements)

References 60 publications

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“…Due to their diversity and richness, primate species maintain various ecological niches, thus their ability to cope with anthropogenic pressures is equally diverse (Galán-Acedo, Arroyo-Rodríguez, Andresen, et al, 2019; Galán-Acedo, Arroyo-Rodríguez, Cudney-Valenzuela, et al, 2019;Machado et al, 2022;Mittermeier et al, 2013). Whereas some primates might have little tolerance for anthropogenic pressures and cannot persist in modified habitats, others may be more ecologically flexible, allowing them to persist in anthropogenic landscapes (Eppley et al, 2020;Galán-Acedo et al, 2021;Hoffman & O'Riain, 2012;Siljander et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Due to their diversity and richness, primate species maintain various ecological niches, thus their ability to cope with anthropogenic pressures is equally diverse (Galán‐Acedo, Arroyo‐Rodríguez, Andresen, et al, 2019; Galán‐Acedo, Arroyo‐Rodríguez, Cudney‐Valenzuela, et al, 2019; Machado et al, 2022; Mittermeier et al, 2013). Whereas some primates might have little tolerance for anthropogenic pressures and cannot persist in modified habitats, others may be more ecologically flexible, allowing them to persist in anthropogenic landscapes (Eppley et al, 2020; Galán‐Acedo et al, 2021; Hoffman & O'Riain, 2012; Siljander et al, 2020). Regardless of the ability to cope within anthropogenic landscapes, both protected areas (PAs) and Indigenous Peoples' lands (IPLs) tend to provide stable habitats for the conservation of primate species and other terrestrial vertebrates (Estrada et al, 2022; Torres‐Romero et al, 2020; Torres‐Romero & Giordano, 2022), but PAs are not always effective for primate conservation (see e.g., Appleton et al, 2022; Chapman & Peres, 2021; Hoskins et al, 2020; Junker et al, 2020; Nijman, 2005).…”

Section: Introductionmentioning

confidence: 99%

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Human‐modified landscapes driving the global primate extinction crisis

Torres‐Romero

Nijman

Fernández

et al. 2023

Global Change Biology

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The world's primates have been severely impacted in diverse and profound ways by anthropogenic pressures. Here, we evaluate the impact of various infrastructures and human‐modified landscapes on spatial patterns of primate species richness, at both global and regional scales. We overlaid the International Union for the Conservation of Nature (IUCN) range maps of 520 primate species and applied a global 100 km2 grid. We used structural equation modeling and simultaneous autoregressive models to evaluate direct and indirect effects of six human‐altered landscapes variables (i.e., human footprint [HFP], croplands [CROP], road density [ROAD], pasture lands [PAST], protected areas [PAs], and Indigenous Peoples' lands [IPLs]) on global primate species richness, threatened and non‐threatened species, as well as on species with decreasing and non‐decreasing populations. Two‐thirds of all primate species are classified as threatened (i.e., Critically Endangered, Endangered, and Vulnerable), with ~86% experiencing population declines, and ~84% impacted by domestic or international trade. We found that the expansion of PAST, HFP, CROP, and road infrastructure had the most direct negative effects on primate richness. In contrast, forested habitat within IPLs and PAs was positively associated in safeguarding primate species diversity globally, with an even stronger effect at the regional level. Our results show that IPLs and PAs play a critical role in primate species conservation, helping to prevent their extinction; in contrast, HFP growth and expansion has a dramatically negative effect on primate species worldwide. Our findings support predictions that the continued negative impact of anthropogenic pressures on natural habitats may lead to a significant decline in global primate species richness, and likely, species extirpations. We advocate for stronger national and international policy frameworks promoting alternative/sustainable livelihoods and reducing persistent anthropogenic pressures to help mitigate the extinction risk of the world's primate species.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Human‐modified landscapes driving the global primate extinction crisis

Torres‐Romero

Nijman

Fernández

et al. 2023

Global Change Biology

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“…Magioli et al (2019) and Godoi et al (2017) found that frugivorous mammals and birds are the most dependent guilds on forest remnants for resources in Brazilian agricultural landscapes (see also Ribeiro et al, 2019). Third, arboreal species are highly dependent on canopy connectivity (Galán‐Acedo et al, 2021). They would be particularly more affected than terrestrial and scansorial species (Cassano et al, 2014), more inclined to use less‐forested landscapes (e.g., native open formations and pastures) to fulfill their biological requirements, and disperse and colonize neighboring habitat patches (Pires et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

The pivotal role of land cover around forest fragments for small‐mammal communities in a Neotropical savanna

Harmange,

Santos,

de Oliveira Roque

et al. 2023

Conservat Sci and Prac

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While harboring the bulk of the planet's biodiversity, tropical ecosystems have experienced intense land conversion for agriculture. Studies examining the impacts of land‐use change on tropical biodiversity have primarily focused on forest cover loss but have overlooked the ecological potential of habitats surrounding forest fragments to modulate biodiversity loss. We examined whether small‐mammal communities changed with the land cover surrounding forest fragments, and how functional traits affected responses to land cover. Small mammals were sampled in the Brazilian Cerrado using live‐trap transects. Three landscape types were identified according to the surroundings of the transects (within 750‐m‐radius buffers): forest‐ (≥50% forest cover), pasture‐, and crop‐dominated landscapes (<50% forest cover, with predominance of pastures or crops, respectively). We examined the composition of functional traits across landscape types and used abundance models to analyze the response of small‐mammal communities to land cover. From forest‐dominated to pasture‐ and crop‐dominated landscapes, the abundances and/or species richness of the largest, forest‐specialist, frugivorous/granivorous, and terrestrial species decreased. In forest‐dominated landscapes, abundances and species richness were slightly affected by land cover surrounding forest fragments. In pasture‐ and crop‐dominated landscapes which represent the less‐preserved landscapes, increased proportions of native forests, open formations, and, to some extent, pastures, supported the increased abundance of small mammals. Land cover surrounding forest fragments is critical for maintaining the diversity of species and functional traits within small‐mammal communities. Our results emphasize the need to maintain native vegetation in human‐modified landscapes to maintain biodiversity and ecological functions.

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“…This lack of information may be attributed to less attention given to the area, a shortage of financial resources, and conflicts impacting conservation efforts [9]. Furthermore, current issues such as deforestation, land use changes, and habitat fragmentation contribute to a decrease in primate populations [10]. With small and fragmented primate populations in the area, understanding and studying primate species and their threats, with lack of information become more challenging.…”

Section: Introductionmentioning

confidence: 99%

Preliminary Assessment on Primate Diversity and Potential of PrimaTourism Among Local People and Orang Asli Jakun (Aborigines: Proto-Malay) in Tasik Chini Biosphere Reserve, Pahang, Malaysia

Haris,

Nurfitri-Ezatie,

Othman

et al. 2023

J-SuNR

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PrimaTourismis a well-known aspect of nature tourism that provides valuable benefits for the primate species conservation. Malaysia, with its rich diversity of more than 25 primate species inhabited in the country, holds significant potential for enhancing primate-based tourism. However, the information on primate species in potential tourism spots like Tasik Chini remains limited, with only a few data on their behaviour and ecology. Additionally, the lack of comprehensive information on the primate species poses challenges in identifying potential PrimaTourismproduct. Thus, this study aimed to assess primate diversity and explore the perception of PrimaTourism among local people in Tasik Chini. A survey and interview session were conducted over five days in two villages around Tasik Chini (Kampung Gumum and Felda Chini), involving a total of 32 respondents. Most respondents reported the presence of two common primate species in their area: the long-tailed macaque (Macaca fascicularis) and the pig-tailed macaque (Macaca nemestrina). The result suggested a significant majority (81%) of respondents expressed support for the dusky leaf monkey (Trachypithecus obscurus) as an ideal primate species for PrimaTourism in Tasik Chini, citing its attractive coloration and favoring the development of primate-based tourism. Overall, these findings can serve as essential baseline data for implementing primate tourism in the area, engaging the local community to attract tourists to Tasik Chini effectively and eventually serve as a conservation tool for the primate species.

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Regional deforestation drives the impact of forest cover and matrix quality on primate species richness

Cited by 14 publications

References 60 publications

Human‐modified landscapes driving the global primate extinction crisis

Human‐modified landscapes driving the global primate extinction crisis

The pivotal role of land cover around forest fragments for small‐mammal communities in a Neotropical savanna

Preliminary Assessment on Primate Diversity and Potential of PrimaTourism Among Local People and Orang Asli Jakun (Aborigines: Proto-Malay) in Tasik Chini Biosphere Reserve, Pahang, Malaysia

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