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Title: Low Primate Diversity and Abundance in Northern Amazonia and its Implications for Conservation
Authors: Pontes, Antonio Rossano Mendes
Paula, Mateus Dantas de
Magnusson, William Ernest
Keywords: Abundance
Aggregation Behavior
Climate Change
Forest Ecosystem
Habitat Conservation
Habitat Quality
Line Transect
Research Program
Reserve Design
Satellite Imagery
Species Conservations
Species Diversity
Species-area Relationship
Tropical Forest
Rio Negro Basin
Issue Date: 2012
metadata.dc.publisher.journal: Biotropica
metadata.dc.relation.ispartof: Volume 44, Número 6, Pags. 834-839
Abstract: Large areas of the Rio Negro basin in Amazonia are covered by continuous tracts of tropical forest, but have few primate species. This is anomalous considering the general relationship between area and number of species. One possibility is that much of the forest is unsuitable habitat for most primates and the area of suitable habitat is much less than the forested area. This has important consequences for the design of reserves and predictions of the consequences of climate change, which tend to be based on broad categories based on satellite images, and not on information of species distributions within those broad categories. The study was conducted through diurnal and nocturnal line-transect surveys in the Biodiversity Research Program 25-km 2 permanent grid in Viruá National Park, which has vegetation associations typical of much of northern Amazonia. The highest primate diversity and abundances occurred in tall terra firme forests (58%), whereas inundated forests and scrublands, which cover 42 percent of the survey grid and 90.8 percent of the Viruá National Park, have virtually no primates. This suggests that parks and reserves in northwestern Amazonia will have to be very large to maintain viable populations of most primates and their ecological interactions, and that very broad habitat categories are not sufficient to make predictions about actual and future suitability of areas for primate conservation. © 2012 by The Association for Tropical Biology and Conservation.
metadata.dc.identifier.doi: 10.1111/j.1744-7429.2012.00873.x
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