干旱区生态环境知识资源中心(Arid): Anthropogenic and environmental factors affecting avian species richness and occurrence in an ecological oasis within a desert ecosystem

Arid

DOI	10.3161/00016454AO2019.54.1.002
	Anthropogenic and environmental factors affecting avian species richness and occurrence in an ecological oasis within a desert ecosystem
	Bled, Florent; Alatawi, Abdulaziz S.; Belant, Jerrold L.
通讯作者	Bled, F (corresponding author), Univ Georgia, Warnell Sch Forestry & Nat Resources, Athens, GA 30602 USA. ; Bled, F (corresponding author), Mississippi State Univ, Dept Wildlife Fisheries & Aquaculture, Mississippi State, MS 39762 USA.
来源期刊	ACTA ORNITHOLOGICA
ISSN	0001-6454
EISSN	1734-8471
出版年	2019
卷号	54 期号:1 页码:11-34
英文摘要	Understanding the effects of anthropogenic and environmental factors on species richness and occurrence is important for conservation. Still, comparatively fewer efforts are conducted in areas of low species richness, such as deserts. We estimated avian species richness and occurrence in response to environmental factors and anthropogenic activity in Aldesa Valley, Saudi Arabia. Because of the presence of permanent water and associated vegetation in the valley, this region is suitable to support high biodiversity. During a two-year study, we divided the valley into 40, 250 m-segments and used time area-searches from May 10 to August 10 in 2014 and 2015 to estimate bird species richness and occurrence. We used generalized linear models to assess drivers of species richness. We analyzed the local distributions of the six most commonly detected bird species: House Sparrow Passer domesticus, Laughing Dove Spilopelia senegalensis, Tristram's Starling Onychognathus tristramii, White-spectacled Bulbul Pycnonotus xanthopygos, Palestine Sunbird Cinnyris osea, and Sinai Rosefinch Carpodacus synoicus using occupancy modeling. We recorded 24 avian species belonging to 18 families and seven orders. Observed species richness was positively correlated with search duration, segment area, and extent of herbaceous coverage. Ecological covariates influential in determining occupancy varied across commonly-observed species. Tristram's Starling selected for sand areas, unlike the House Sparrow who appeared to avoid sand and rocky areas. Palestine Sunbird occupancy was positively correlated with herbaceous cover types. Species detectability was overall positively correlated with search duration. House Sparrow's detectability was negatively correlated with tree canopy area. Signs of anthropogenic activities (such as number of vehicles, people, and domestic animals) affected detectability for species differently e.g. positively for House Sparrow and negatively for Palestine Sunbird.
英文关键词	species richness anthropogenic factors bird occupancy ecological factors desert Aldesa Valley Saudi Arabia
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000495363400002
WOS关键词	BIODIVERSITY ; DIVERSITY ; PEOPLE ; WATER
WOS类目	Ornithology
WOS研究方向	Zoology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/369289
作者单位	[Bled, Florent] Univ Georgia, Warnell Sch Forestry & Nat Resources, Athens, GA 30602 USA; [Bled, Florent; Alatawi, Abdulaziz S.] Mississippi State Univ, Dept Wildlife Fisheries & Aquaculture, Mississippi State, MS 39762 USA; [Belant, Jerrold L.] SUNY Coll Environm Sci & Forestry, New York, NY USA
推荐引用方式 GB/T 7714	Bled, Florent,Alatawi, Abdulaziz S.,Belant, Jerrold L.. Anthropogenic and environmental factors affecting avian species richness and occurrence in an ecological oasis within a desert ecosystem[J],2019,54(1):11-34.
APA	Bled, Florent,Alatawi, Abdulaziz S.,&Belant, Jerrold L..(2019).Anthropogenic and environmental factors affecting avian species richness and occurrence in an ecological oasis within a desert ecosystem.ACTA ORNITHOLOGICA,54(1),11-34.
MLA	Bled, Florent,et al."Anthropogenic and environmental factors affecting avian species richness and occurrence in an ecological oasis within a desert ecosystem".ACTA ORNITHOLOGICA 54.1(2019):11-34.