Glacial melting: An overlooked threat to Antarctic krill
Strandings of marine animals are relatively common in marine systems. However, the underlying mechanisms are poorly understood. We observed mass strandings of krill in Antarctica that appeared to be linked to the presence of glacial meltwater. Climate-induced glacial meltwater leads to an increased...
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Nature Publishing Group
2016
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| LEADER | 15843caa a22013937a 4500 | ||
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| 003 | AR-BaUEN | ||
| 005 | 20230518204647.0 | ||
| 008 | 170725s2016 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-84973352081 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Fuentes, V. | |
| 245 | 1 | 0 | |a Glacial melting: An overlooked threat to Antarctic krill |
| 260 | |b Nature Publishing Group |c 2016 | ||
| 270 | 1 | 0 | |m Schloss, I.R.; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Argentina; email: ischloss@dna.gov.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Strandings of marine animals are relatively common in marine systems. However, the underlying mechanisms are poorly understood. We observed mass strandings of krill in Antarctica that appeared to be linked to the presence of glacial meltwater. Climate-induced glacial meltwater leads to an increased occurrence of suspended particles in the sea, which is known to affect the physiology of aquatic organisms. Here, we study the effect of suspended inorganic particles on krill in relation to krill mortality events observed in Potter Cove, Antarctica, between 2003 and 2012. The experimental results showed that large quantities of lithogenic particles affected krill feeding, absorption capacity and performance after only 24 h of exposure. Negative effects were related to both the threshold concentrations and the size of the suspended particles. Analysis of the stomach contents of stranded krill showed large quantities of large particles (> 106 μm3), which were most likely mobilized by glacial meltwater. Ongoing climate-induced glacial melting may impact the coastal ecosystems of Antarctica that rely on krill. |l eng | |
| 593 | |a Instituto de Ciencias del Mar (CSIC), Barcelona, Spain | ||
| 593 | |a Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina | ||
| 593 | |a Instituto de Diversidad y Ecología Animal (IDEA), CONICET-UNC, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina | ||
| 593 | |a Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany | ||
| 593 | |a Institute for Chemistry and Biology of the Marine Environment, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany | ||
| 593 | |a School of Marine Sciences, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile | ||
| 593 | |a Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Wadden Sea Research Station, List, Germany | ||
| 593 | |a Centro para el Estudio de Sistemas Marinos, Puerto Madryn, Chubut, Argentina | ||
| 593 | |a Instituto Antártico Argentino, Buenos Aires, Argentina | ||
| 593 | |a Institut des Sciences de la mer de Rimouski, Rimouski, QC, Canada | ||
| 690 | 1 | 0 | |a ANTARCTICA |
| 690 | 1 | 0 | |a AQUATIC SPECIES |
| 690 | 1 | 0 | |a COASTAL WATERS |
| 690 | 1 | 0 | |a DEGLACIATION |
| 690 | 1 | 0 | |a EUPHAUSIA SUPERBA |
| 690 | 1 | 0 | |a EXPERIMENTAL MODEL |
| 690 | 1 | 0 | |a EXPOSURE |
| 690 | 1 | 0 | |a FEEDING |
| 690 | 1 | 0 | |a MORTALITY |
| 690 | 1 | 0 | |a PHYSIOLOGY |
| 690 | 1 | 0 | |a STOMACH CONTENT |
| 700 | 1 | |a Alurralde, G. | |
| 700 | 1 | |a Meyer, B. | |
| 700 | 1 | |a Aguirre, G.E. | |
| 700 | 1 | |a Canepa, A. | |
| 700 | 1 | |a Wölfl, A.-C. | |
| 700 | 1 | |a Hass, H.C. | |
| 700 | 1 | |a Williams, G.N. | |
| 700 | 1 | |a Schloss, I.R. | |
| 773 | 0 | |d Nature Publishing Group, 2016 |g v. 6 |x 20452322 |t Sci. Rep. | |
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