Species Diversity, Distribution, and Conservation Status in a Mesoamerican Region: Amphibians of the Uxpanapa-Chimalapas Region, Mexico

被引:17
作者
Luis Aguilar-Lopez, Jose [1 ]
Pineda, Eduardo [1 ]
Luria-Manzano, Ricardo [2 ]
Canseco-Marquez, Luis [3 ]
机构
[1] Inst Ecol AC, Red Biol & Conservac Vertebrados, Carretera Antigua Coatepec 351, Xalapa 91070, Veracruz, Mexico
[2] Benemerita Univ Autonoma Puebla, Escuela Biol, Puebla, Mexico
[3] Univ Nacl Autonoma Mexico, Lab Herpetol, Ciudad De Mexico, Mexico
关键词
amphibian fauna; species richness; species composition; conservation value; LACANDONA RAIN-FOREST; BIODIVERSITY; BIOGEOGRAPHY; ANURA; CLASSIFICATION; HYLIDAE; ISTHMUS; OAXACA; FAUNA; FROGS;
D O I
10.1177/1940082916670003
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
The Uxpanapa-Chimalapas region, with one of the most extensive and best preserved tropical forest areas in Mexico, is undergoing major anthropogenic changes, and only some portions of the territory are under the protection of local communities. Although the biodiversity of the region is known to be high, no study has yet analyzed the diversity of amphibian species in the region or contributed to valuing the region in a context of amphibian conservation. Based on a review of databases and the existing scientific literature, as well as our own fieldwork, in this study, we analyze the amphibian species richness, species composition, their spatial distribution, and their conservation status in the Uxpanapa-Chimalapas region. Additionally, we compare this information with the available data for seven other tropical regions in central-northern Mesoamerica. The amphibian fauna recorded at the study region comprises 51 species, which makes it the richest tropical region in amphibian species in central-northern Mesoamerica and Mexico. Among the regions compared, this one stands out as the one with the most distinctive composition of amphibian species, sharing on average only 35% of its species with the other regions. However, it is also the region with the highest number of threatened species since one third of its species are in higher extinction risk categories. These characteristics turn the Uxpanapa-Chimalapas into a high-priority region for both Mexico and Mesoamerica, and a regional conservation plan is necessary for the immediate protection of areas where the forest is being replaced and to promote or to support community protected areas.
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页数:16
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