First mussel settlement observed in Antarctica reveals the potential for future invasions

被引:52
|
作者
Cardenas, Leyla [1 ,2 ]
Leclerc, Jean-Charles [3 ]
Bruning, Paulina [1 ,6 ,7 ]
Garrido, Ignacio [1 ,6 ,7 ]
Detree, Camille [1 ]
Figueroa, Alvaro [1 ,2 ]
Astorga, Marcela [4 ]
Navarro, Jorge M. [1 ,5 ]
Johnson, Ladd E. [6 ,7 ]
Carlton, James T. [8 ]
Pardo, Luis [1 ,5 ]
机构
[1] Ctr FONDAP Invest Dinam Ecosistemas Marinos Altas, Valdivia, Chile
[2] Univ Austral Chile, Fac Ciencias, Inst Ciencias Ambientales & Evolut, Valdivia, Chile
[3] Univ Catolica Santisima Concepcion, Ctr Invest Biodiversidad & Ambientes Sustentables, Concepcion, Chile
[4] Univ Austral Chile, Inst Acuicultura, Puerto Montt, Chile
[5] Univ Austral Chile, Fac Ciencias, Inst Ciencias Marinas & Limnol, Valdivia, Chile
[6] Laval Univ, Dept Biol, Quebec City, PQ, Canada
[7] Laval Univ, Quebec Ocean Inst, Quebec City, PQ, Canada
[8] Williams Coll, Maritime Studies Program, Mystic, CT USA
关键词
MYTILUS-EDULIS; CLIMATE-CHANGE; DISPERSAL; SPP; TRANSPORT; LINEAGES; HISTORY;
D O I
10.1038/s41598-020-62340-0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Global biodiversity is both declining and being redistributed in response to multiple drivers characterizing the Anthropocene, including synergies between biological invasions and climate change. The Antarctic marine benthos may constitute the last biogeographic realm where barriers (oceanographic currents, climatic gradients) have not yet been broken. Here we report the successful settlement of a cohort of Mytilus cf. platensis in a shallow subtidal habitat of the South Shetland Islands in 2019, which demonstrates the ability of this species to complete its early life stages in this extreme environment. Genetic analyses and shipping records show that this observation is consistent with the dominant vectors and pathways linking southern Patagonia with the Antarctic Peninsula and demonstrates the potential for impending invasions of Antarctic ecosystems.
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页数:8
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