东非多用途景观中非洲大草原象生境利用的空间和季节格局

IF 1.1 4区 环境科学与生态学 Q4 ECOLOGY
Muteti Zacharia Mutinda, Lydia Natalie Tiller, George Gatere Ndiritu, Lucy King, Duncan Kimuyu
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引用次数: 0

摘要

了解非洲草原象(Loxodonta africana)的空间和季节分布对于在多用途景观中保护和缓解人象冲突(HEC)至关重要。这项研究评估了肯尼亚南部吉普湖周围的非洲大草原大象栖息地的使用情况,包括受保护和不受保护的地区。利用粪便密度作为非洲大草原象存在的指标,在干湿季节对三个栖息地区进行了系统的象限调查。植被结构和牧草质量等环境变量也被评估,以探索分布的生态驱动因素。保护区的粪便密度一直较高,这表明它们更喜欢安全的栖息地。旱季记录的粪堆比雨季少,表明可能存在季节性分散。非洲大草原大象的数量随着离湖距离的增加而减少,这表明它们对湖泊相关栖息地有很强的吸引力。不同带间植被结构存在差异;受保护地区支持较高的草覆盖,而未受保护地区显示出更大的木本物种多样性,可能反映了不同的土地利用方式。然而,在不同地带之间没有发现明显的生态分隔,这表明局部或人为因素可能影响生境的利用。这些发现突出了这两种土地类型的生态重要性,并表明有效的管理可能受益于具有空间适应性和季节性信息的战略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Spatial and Seasonal Patterns of African Savannah Elephant (Loxodonta africana) Habitat Use in an East African Multiuse Landscape

Spatial and Seasonal Patterns of African Savannah Elephant (Loxodonta africana) Habitat Use in an East African Multiuse Landscape

Understanding the spatial and seasonal distribution of African savannah elephants (Loxodonta africana) is critical for conservation and human–elephant conflict (HEC) mitigation in multiuse landscapes. This study assessed African savannah elephant habitat use around Lake Jipe in southern Kenya, across protected and unprotected areas. Using dung density as an index of African savannah elephant presence, systematic quadrant surveys were conducted in three habitat zones during both wet and dry seasons. Environmental variables, including vegetation structure and forage quality, were also evaluated to explore ecological drivers of distribution. Dung densities were consistently higher in protected areas, suggesting a preference for secure habitats. Fewer dung piles were recorded in the dry season than in the wet season, indicating possible seasonal dispersal. African savannah elephant presence declined with increasing distance from the lake, suggesting a strong attraction to lake-associated habitats. Vegetation structure differed across zones; protected areas supported higher grass cover, while unprotected areas showed greater woody species diversity, likely reflecting varied land use. However, no distinct ecological separation was found between zones, indicating localised or anthropogenic factors may influence habitat use. These findings highlight the ecological importance of both land types and suggest that effective management may benefit from spatially adaptive, seasonally informed strategies.

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来源期刊
African Journal of Ecology
African Journal of Ecology 环境科学-生态学
CiteScore
2.00
自引率
10.00%
发文量
134
审稿时长
18-36 weeks
期刊介绍: African Journal of Ecology (formerly East African Wildlife Journal) publishes original scientific research into the ecology and conservation of the animals and plants of Africa. It has a wide circulation both within and outside Africa and is the foremost research journal on the ecology of the continent. In addition to original articles, the Journal publishes comprehensive reviews on topical subjects and brief communications of preliminary results.
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