A biodiversity survey of scavenging amphipods in a proposed marine protected area: the Filchner area in the Weddell Sea, Antarctica
A biodiversity survey of scavenging amphipods in a proposed marine protected area: the Filchner area in the Weddell Sea, Antarctica
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对拟议的海洋保护区(南极洲威德尔海的菲尔奇纳地区)中的食腐片脚类动物进行生物多样性调查
DOI:
10.1007/s00300-018-2292-7
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发表时间:
2018
期刊:
影响因子:
1.7
通讯作者:
Held C
中科院分区:
文献类型:
--
作者:
Seefeldt MA;Havermans C;Held C
An integrative inventory of the amphipod scavenging fauna (Lysianassoidea), combining morphological identifications with DNA barcoding, is provided here for the Filchner area situated in the south-eastern Weddell Sea. Over 4400 lysianassoids were investigated for species richness and relative abundances, covering 20 different stations and using different sampling devices, including the southernmost baited traps deployed so far (76°S). High species richness was observed: 29 morphospecies of which 5 were new to science. Molecular species delimitation methods were carried out with 109 cytochrome c oxidase I gene (COI) sequences obtained during this study as well as sequences from specimens sampled in other Antarctic regions. These distance-based analyses (trees and the Automatic Barcode Gap Discovery method) indicated the presence of 42 lineages; for 4 species, several (cryptic) lineages were found. More than 96% of the lysianassoids collected with baited traps belonged to the speciesOrchomenella pinguidess. l. The diversity of the amphipod scavenger guild in this ice-bound ecosystem of the Weddell Sea is discussed in the light of bottom–up selective forces. In this southernmost part of the Weddell Sea, harbouring spawning and nursery grounds for silverfish and icefishes, abundant fish and mammalian food falls are likely to represent the major food for scavengers. Finally, the importance of biodiversity surveys in the context of the establishment of a marine protected area in this region (Weddell Sea MPA) is highlighted and how future studies can contribute to a better understanding the ecological role of scavengers in this system is discussed.
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影响因子:
2.8
作者:
Seefeldt MA;Campana GL;Deregibus D;Quartino ML;Abele D;Tollrian R;Held C
通讯作者:
Held C
影响因子:
0.9
作者:
N. Kilgallen;J. Lowry
通讯作者:
J. Lowry
影响因子:
0.9
作者:
J. Lowry;N. Kilgallen
通讯作者:
N. Kilgallen
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
J. Lowry;H. Stoddart
通讯作者:
H. Stoddart
DOI:
--
发表时间:
2003
期刊:
影响因子:
--
作者:
K. Mintenbeck;R. Alarcón;E. Brodte;F. Vanella;R. Knust
通讯作者:
R. Knust