作者: P Fernando , Jennifer Pastorini
DOI: 10.5167/UZH-59036
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摘要: As the second decade of 21st century ticks by, Asian elephants remain endangered across their range. Although not yet extinct in any 13 range states, five countries Bangladesh, Bhutan, China, Nepal and Vietnam, number wild entire country is less than 200 (Cao Thi Ly 2011; Islam et al. Jigme & Williams Pradhan Zhang 2011), another three -, Cambodia, Laos Thailand, it 1000 (Khounboline Maltby Bourchier Lohanan 2001) (Table 1). In two countries, Indonesia (Sumatra) have recently crossed a threshold to become ‘critically endangered’ (Azmi Gunaryadi Cao 2011). The situation Sumatra greatest concern as Sumatran elephant one four unique sub-species. Local extinctions populations probably occurred all states within last decade. However, India, Sri Lanka concurrently seems be expanding some areas, with re-colonizing locations from which they been absent for decades (Baskaran Fernando many Southeast exemplified by Myanmar are thought present large but no definitive data exists (Leimgruber