Defensible Inference: Questioning Global Trends in Tiger Populations
作者： Abishek Harihar , Pranav Chanchani , Milind Pariwakam , Barry R. Noon , John Goodrich
DOI: 10.1111/CONL.12406
关键词: Inference 、 Ecology 、 Population 、 Panthera 、 Geography 、 IUCN Red List 、 Tiger 、 Population growth 、 Socioeconomics 、 Endangered species 、 Abundance (ecology)
摘要: Reports claim a dramatic 22% increase in wild-tiger Panthera tigris abundance within five years (3200 to 3890 individuals; WWF 2016). Such significant population increases could potentially change the status of tigers from endangered vulnerable on IUCN Red List, and substantially contribute global target doubling numbers by 2022 (GTRP 2010). While this purported has been attributed improved conservation practices India, Nepal, Bhutan Russia, claimed is questionable given unreported methodology (Russia), lack comparable baselines (Bhutan Russia), and failure adjust estimates account for expanded survey effort methodological changes (Nepal India). The latter source bias requires explanation as it accounts for large portion assumed increase. This article protected copyright. All rights reserved
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