Guild Vertical Stratification and Drivers of Bat Foraging in a Semi-Arid Tropical Region, Kenya

被引:2
作者
Rainho, Ana [1 ,2 ]
Ferreira, Diogo F. [3 ]
Makori, Beryl [4 ]
Bartonjo, Michael [5 ]
Repas-Goncalves, Miguel [6 ]
Kirakou, Stanley [7 ]
Maghuwa, Florah [7 ]
Webala, Paul W. [8 ]
Tome, Ricardo [9 ]
机构
[1] Univ Lisbon, Ctr Ecol Evolut & Environm Changes cE3c, P-1749016 Lisbon, Portugal
[2] Univ Lisbon, CHANGE Global Change & Sustainabil Inst, Fac Ciencias, Dept Biol Anim, P-1749016 Lisbon, France
[3] Univ Porto, Res Ctr Biodivers & Genet Resources, BIOPOLIS Program Genom Biodiversity & Land Plannin, CIBIO InBIO,CIBIO, Campus Vairao, P-4485661 Vairao, Portugal
[4] Pangolin Project, POB 15156, Nairobi 00509, Kenya
[5] Natl Museums Kenya, Mammal Sect, POB 40658, Nairobi 00100, Kenya
[6] STRIX, Rua Sousa Aroso,556 4 D tras, P-2775226 Matosinhos, Portugal
[7] Kenya Elect Generating Co, Environm & Sustainable Dev Dept, POB 47936, Nairobi 00100, Kenya
[8] Maasai Mara Univ, Dept Forestry & Wildlife Management, POB 861, Narok 20500, Kenya
[9] Biodivers Consultancy, 3E Kings Parade, Cambridge CB2 1SJ, England
来源
BIOLOGY-BASEL | 2023年 / 12卷 / 08期
关键词
Africa; bat conservation; drylands; landscape management; species richness; INSECTIVOROUS BATS; ECHOLOCATION CALLS; ACTIVITY PATTERNS; WING MORPHOLOGY; AFRICAN; BIODIVERSITY; ABUNDANCE; IMPACTS; LAND; DEGRADATION;
D O I
10.3390/biology12081116
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Africa faces significant challenges in reconciling economic and social development while preserving its natural resources. Little is known about the diverse bat community on the continent, particularly in drier ecosystems. A better understanding of the bat community will help improve and inform the management of these ecosystems. Our study aimed to provide detailed information on the main drivers of bat richness and activity at three different heights above the ground in a semi-arid region of Kenya. We assessed how bat activity varied with space and height using acoustic sampling and complementary methods. We sampled 48 sites at ground level and two sites on meteorological masts at 20 m and 35 m above the ground. We recorded more than 20 bat species, including one species of concern for conservation. Our models showed that the use of space varies with bat guild, creating trade-offs in the variables that affect their activity. Low-flying bat species are mostly associated with habitat variables, whereas high-flying species are more dependent on weather conditions. Our study highlights the richness of bat assemblages in semi-arid environments and emphasizes the need for management measures to protect bat diversity in the face of habitat degradation caused by climate change, land management, and development projects.
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页数:17
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