Affiliation:
1. Department of Anthropology, College of Arts and Sciences Boston University Boston Massachusetts USA
2. Department of Biology, College of Arts and Sciences Boston University Boston Massachusetts USA
3. Neotropical Primate Conservation, Windrush, Looe Hill, Seaton Cornwall UK
4. Asociación Neotropical Primate Conservation Perú San Martin Perú
5. Equipo Primatológico del Perú Iquitos Maynas Perú
Abstract
AbstractThe Tropical Andes Biodiversity Hotspot holds a remarkable number of species at risk of extinction due to anthropogenic habitat loss, hunting, and climate change. One of these species, the critically endangered yellow‐tailed woolly monkey (Lagothrix flavicauda), was recently observed in the region Junín, 206 km south of its previously known distribution. This range extension, combined with continued habitat loss, calls for a reevaluation of the species distribution, and available suitable habitat. Here, we present novel data from surveys at 53 sites in the regions of Junín, Cerro de Pasco, Ayacucho, and Cusco. We encounteredL. flavicaudaat 9 sites, all in Junín, and the congenericLagothrix lagotricha tschudiiat 20 sites, but never in sympatry. Using these new localities along with all previous geographic localities for the species, we made predictive species distribution models based on ecological niche modeling using a generalized linear model and maximum entropy. Each model incorporated bioclimatic variables, forest cover, vegetation measurements, and elevation as predictor variables. The model evaluation showed >80% accuracy for all measures. Precipitation was the strongest predictor of species presence. Habitat suitability maps illustrate potential corridors for gene flow between the southern and northern populations, although much of this area is inhabited byL. l. tschudiiwhereasL. flavicaudahas yet to be officially confirmed in these areas, by these or any other scientific surveys. An analysis of the current protected area (PA) network showed that ~75% of remaining suitable habitat is unprotected. With this, we suggest priority areas for new PAs or expansions to existing reserves that would conserve potential corridors betweenL. flavicaudapopulations. Further surveys and characterization of the distribution in intermediate areas, combined with studies on gene flow through these areas, are still needed to protect this species.
Funder
American Society of Primatologists
Primate Conservation
Primate Society of Great Britain
Boston University
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
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