埃塞俄比亚西南部Kaffa地区Saja森林疣猴种群状况、日活动模式、摄食生态及生境关系

IF 0.2 Q4 ECOLOGY
Misganaw Mola, Aklilu Ayiza, Muluye Asnakew, Tiruye Abuye
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引用次数: 0

摘要

疣猴(Colobus guereza)是埃塞俄比亚高原的特有种,分布在不同的生态栖息地,如潮湿和落叶林、稀树草原林地和山地森林。2019年6月至2020年2月,在埃塞俄比亚西南部的Saja森林,对疣体虫的种群状况、日活动模式、摄食生态和栖息地关系进行了调查。系统建立了39种不同类型的样带,分布在密林和灌丛中。数据收集共60天,横跨旱季和雨季,包括黎明和下午。共录得246±39.1只,其中湿季录得132±24.4只,干季录得114±14.7只。干湿季节的种群数量和类群大小无统计学差异,但灌丛生境的个体数量和类群数量均少于森林生境。其中,成年雄虫33.5%,成年雌虫34.5%,亚成年雄虫28%,亚成年雌虫14.5%,幼虫12.5%。摄食(29.5%)和休息(19.5%)是疣体日活动最多的记录。在两个季节中,嫩叶对饮食的贡献最大(31%),其次是成熟叶(22%)。其他常见的食物包括嫩枝(20%)、树皮(13%)、水果(11%)和花(3%)。观察到疣体采食21科21属26种植物。由于人类活动,如农业扩张、人类定居、放牧和其他形式的人类与野生动物的冲突,这些灵长类动物的栖息地目前正在减少。此外,人们猎取豹子的皮,豹子也是研究地区Menja人的主要肉类来源。因此,需要提高当地人民对野生动物保护的认识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Population Status, Diurnal Activity Pattern, Feeding Ecology, and Habitat Association of Colobus Monkey (Colobus guereza) in Saja Forest, Kaffa Zone, Southwest Ethiopia
Colobus monkeys (Colobus guereza) are endemic to the Ethiopian plateau, distributed in different ecological habitats such as moist and deciduous forests, savanna woodlands, and montane forests. The population status, diurnal activity pattern, feeding ecology, and habitat association of Colobus guereza were investigated in Saja Forest, southwest Ethiopia, from June 2019 to February 2020, covering both wet and dry seasons. A total of 39 different types of transect were systematically established, distributed in both dense forest and in shrubland. Data were collected for 60 days in total across a wet and a dry season, both at dawn and in the afternoon. A total of 246 ± 39.1 individuals were recorded, of which 132 ± 24.4 and 114 ± 14.7 individuals were recorded during the wet and dry seasons, respectively. The population and group sizes did not statistically differ between the wet and dry seasons but shrubland habitat had fewer individuals and smaller groups than forest. Out of the recorded Colobus guereza, 33.5% were adult males, 34.5% were adult females, 28% were sub-adult males, 14.5% were sub-adult females, and 12.5% were juveniles/young. Feeding (29.5%) and resting (19.5%) were the most recorded daily activities for Colobus guereza. Young leaves were the largest (31%) contributor to the diet followed by mature leaves (22%) in both seasons. Other common dietary items were shoots (20%), barks (13%), fruits (11%), and flowers (3%). Colobus guereza were observed feeding on a diverse diet of 26 plant species belonging to 21 genera within 21 families. The habitats of these primates are currently diminishing due to anthropogenic activities such as agricultural expansion, human settlement, livestock grazing, and other forms of human wildlife conflict. Furthermore, guerezas are hunted for their skin and are also major sources of meat for the Menja people in the study area. Therefore, awareness creation for local people towards wildlife conservation is needed.
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来源期刊
自引率
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期刊介绍: The main aim of the International Journal of Ecology & Development (IJED) is to publish refereed, well-written original research articles, and studies that describe the latest research and developments in ecology and development. It also covers the many potential applications and connections to other areas of Ecological Science, economics and technology such as the use and development of mathematics/statistics in ecology or use and development of economics for ecology & development or inter-disciplinary nature of applications for Ecology & Development. International Journal of Ecology and Development is published three issues in a year in Winter, Summer and Fall.
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