Decrease in Animal Population Sizes in the Bago Mountains, Myanmar
Hlaing, Ei Ei
Khing, Kyi Kyi
Myanmar is located at the transition zone between the Continental Southeast Asian and Sino-Japanese regions. This plant geographical transition produces unique and diverse species assemblages. However, in recent years, the biodiversity in the region has been rapidly decreasing as a result of deforestation and forest degradation, while, reports on the fauna and flora in Myanmar are still lacking. This study aims to examine the change in animal population sizes around a rural village in the Bago Mountains, central Myanmar. We collected data on the change in animal population sizes over the last 10 years (2006-2016) by an interview survey for two hunters. In addition, we set camera traps in forests around the village. Hunters hunted 23 animal species and camera traps took pictures of five species. Populations of large animals tended to decrease more rapidly than those of small animals. Only the population size of Rattus tanezumi, the smallest animal of the 23 species, increased during the 10-year period. Human activity, in the form of deforestation and forest degradation, may be one of the primary causes of the loss of biodiversity and animals in the Bago Mountains.
本研究は環境省地球環境研究総合推進費「途上国での生物多様性と地域社会の相乗便益を目指したセーフガード策定に関する研究（平成26 ～ 28年度、課題番号４－１４０４」、課題代表者 奥田敏統）の一環としてミャンマー国内で実施した。
Bulletin of the Graduate School of Integrated Arts and Sciences, Hiroshima University. II, Studies in environmental sciences
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