Genetic variation in the small bivalve Nuculana inaequisculpta along a retreating glacier fjord, King George Island, Antarctica

被引：1

作者：

Munoz-Ramirez, Carlos P. ^{[1
]}

Beltran-Concha, Maribel ^{[2
]}

Perez-Araneda, Karla ^{[2
]}

Sands, Chester J. ^{[4
]}

Barnes, David K. A. ^{[4
]}

Roman-Gonzalez, Alejandro ^{[5
]}

de Lecea, Ander M. ^{[6
,7
]}

Retallick, Katherine ^{[8
]}

van Landeghem, Katrien ^{[8
]}

Sheen, Katy ^{[5
]}

Gonnelli, Kelly ^{[2
]}

Scourse, James ^{[5
]}

Bascur, Miguel ^{[2
]}

Brante, Antonio ^{[2
,3
]}

机构：

[1] Univ Metropolitana Ciencias Educ, Inst Entomol, Av Jose Pedro Alessandri 774, Nunoa, Region Metropol, Chile

[2] Univ Catolica Santisima Concepcion, Fac Ciencias, Av Alonso de Ribera 2850, Concepcion, Chile

[3] Univ Catolica Santisima Concepcion, Ctr Invest Biodiversidad & Ambientes Sustentables, Av Alonso de Ribera 2850, Concepcion, Chile

[4] British Antarctic Survey, NERC, Madingley Rd, Cambridge CB3 0ET, England

[5] Univ Exeter, Coll Life & Environm Sci, Penryn Campus, Penryn TR10 9FE, Cornwall, England

[6] South Atlantic Environm Res Inst, North Ross Rd, Stanley FIQQ 1ZZ, Falkland Island

[7] Univ South Africa, Coll Agr & Environm Sci, Dept Environm Sci, Preller St, Pretoria, South Africa

[8] Bangor Univ, Sch Ocean Sci, Askew St, Menai Bridge LL59 5AB, Gwynedd, Wales

来源：

REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA | 2021年 / 56卷 / 02期

关键词：

Key words; COI; climate change; dispersal capability; Western Antarctic Peninsula; SOUTH SHETLAND ISLANDS; CLIMATE-CHANGE; R-PACKAGE; INVERTEBRATES; DIVERSITY;

D O I：

10.22370/rbmo.2021.56.2.3059

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Climate change is strongly influencing regions of Antarctica but the consequences on microevolutionary processes have been little studied. Patterns of population genetic diversity were analysed in the Antarctic bivalve Nuculana inaequisculpta (Protobranchia: Nuculanidae) from a fjord with 70 years of documented climate-forced glacier retreat. Thirty-nine individuals from five sites at different distances from the glacier terminus were collected, and the COI gene was sequenced from each individual. No statistically significant genetic differentiation was found between sites nor a significant correlation between the proximity of glaciers and genetic diversity, suggesting a high dispersal capability and therefore, a planktonic larval stage for this species. Nevertheless, we encourage increasing the sample size and number of loci in future studies to confirm our findings.

引用

页码：151 / 156

页数：6

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