Source-sink systems and conservation of hunted ungulates in the Lacandon Forest, Mexico

作者: Eduardo J. Naranjo , Richard E. Bodmer

DOI: 10.1016/J.BIOCON.2007.05.010

关键词: GeographyEcologyUngulateRed brocketLocal extinctionPopulationTransectTapirOdocoileusSubsistence agriculture

摘要: Abstract Native ungulate species constitute an important source of protein for Mesoamerican subsistence hunters. In this study, we (1) provide evidence supporting the hypothesis that source–sink systems help maintain some populations in Lacandon Forest, Mexico; and (2) test assumptions density, age structure, sex ratios are different slightly hunted (potential sources) persistently sinks) populations. From May 1998 to March 2001 observed 1144 individuals 1153 tracks five (Baird’s tapir, collared peccary, white-lipped red brocket deer, white-tailed deer) along 1908 km line transects sites Montes Azules Biosphere Reserve (MABR) adjacent community lands. Densities Baird’s tapir peccary were lower sites, where there higher proportions young tapirs deer. The sustainability hunting was evaluated communities using information on harvest rates, production density each population. Our results suggest at risk local extinction, while appears be sustainable. although locally overhunted, maintains a relatively safe status probably through system which MABR functions as readily Source–sink may also maintaining outside protected areas from migration during study.

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