干旱区生态环境知识资源中心(Arid): Egg banks in dryland wetlands provide information on the diversity and vulnerability of branchiopod communities along a longitudinal aridity gradient

Arid

DOI	10.1007/s11273-021-09852-2
	Egg banks in dryland wetlands provide information on the diversity and vulnerability of branchiopod communities along a longitudinal aridity gradient
	Meyer-Milne, Elizabeth; Brendonck, Luc; Pinceel, Tom
通讯作者	Meyer-Milne, E (corresponding author)，South African Environm Observat Network, Hadison Pk,POB 110040, ZA-8306 Kimberley, South Africa.
来源期刊	WETLANDS ECOLOGY AND MANAGEMENT
ISSN	0923-4861
EISSN	1572-9834
出版年	2022-01
英文摘要	Continued degradation of temporary wetlands and rapidly declining freshwater biodiversity call for identification of vulnerable species as targets for conservation and management efforts. Branchiopod crustaceans are endemic to temporary waters and rely on banks of drought-resistant eggs in the sediment for survival across dry seasons. These egg banks are like archives to biologists and allow them to estimate population status and resilience, without the need to sample active communities. Such an approach has, however, not yet been fully explored. Here, we investigate egg bank abundance and morpho-species richness to assess the vulnerability of branchiopod communities in dryland landscapes. For study systems, we use 98 temporary wetlands across the Northern Cape Province, South Africa, which contained eggs of Notostraca, Anostraca, Spinicaudata and Cladocera. We invoked the insurance hypothesis to investigate community resilience and studied egg bank abundance to reveal population status. Our results indicate that branchiopod communities become more vulnerable along an aridity gradient, from the semi-arid eastern regions to the arid western parts of the province. Apart from longitude, we also considered a suite of other environmental descriptors to explain variability in egg bank abundance and richness patterns and found that egg bank abundance decreased with alkalinity.
英文关键词	Morpho-species richness Egg bank abundance Insurance hypothesis More-individuals hypothesis pH
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000738557000001
WOS关键词	SPECIES-ENERGY THEORY ; ANOSTRACAN CRUSTACEA ; FAIRY SHRIMP ; HATCHING SUCCESS ; LIFE-HISTORY ; WATER ; RICHNESS ; PRODUCTIVITY ; ZOOPLANKTON ; MORPHOLOGY
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377187
作者单位	[Meyer-Milne, Elizabeth] South African Environm Observat Network, Hadison Pk,POB 110040, ZA-8306 Kimberley, South Africa; [Meyer-Milne, Elizabeth; Pinceel, Tom] Univ Free State, Ctr Environm Management, POB 339, ZA-9300 Bloemfontein, South Africa; [Brendonck, Luc; Pinceel, Tom] Katholieke Univ Leuven, Lab Anim Ecol Global Change & Sustainable Dev, Ch Deberiotstr 32,Box 2439, B-3000 Leuven, Belgium; [Brendonck, Luc] North West Univ, Water Res Grp, Sch Biol Sci, Unit Environm Sci & Management, Potchefstroom Campus,Private Bag X6001, ZA-2520 Potchefstroom, South Africa
推荐引用方式 GB/T 7714	Meyer-Milne, Elizabeth,Brendonck, Luc,Pinceel, Tom. Egg banks in dryland wetlands provide information on the diversity and vulnerability of branchiopod communities along a longitudinal aridity gradient[J],2022.
APA	Meyer-Milne, Elizabeth,Brendonck, Luc,&Pinceel, Tom.(2022).Egg banks in dryland wetlands provide information on the diversity and vulnerability of branchiopod communities along a longitudinal aridity gradient.WETLANDS ECOLOGY AND MANAGEMENT.
MLA	Meyer-Milne, Elizabeth,et al."Egg banks in dryland wetlands provide information on the diversity and vulnerability of branchiopod communities along a longitudinal aridity gradient".WETLANDS ECOLOGY AND MANAGEMENT (2022).