| Title | Environmental influences on zooplankton and micronekton distribution in the Bransfield Strait and adjacent waters |
| Author | Catalán, I.A.; Morales-Nin, B.; Company, J.B.; Rotlant, G.; Palomera, I.; Emelianov, M. |
| Author Affil | Catalán, I.A., CSIC, Institut Mediterrani d'Estudis Avançats, Illes Balears, Spain. Other: CSIC, Institut de Ciencies del Mar, Spain; Institut de Recerca i Tecnologia Agroalimentàries, Spain |
| Source | Polar Biology, 31(6), p.691-707, . Publisher: Springer-Verlag, Berlin, Federal Republic of Germany. ISSN: 0722- 4060 |
| Publication Date | May 2008 |
| Notes | In English. 50 refs. Ant. Acc. No: 84172. GeoRef Acc. No: 284713 |
| Index Terms | biogeography; biomass; ecology; hydrography; plankton; Southern Ocean-- Bransfield Strait; Arthropoda; Bransfield Strait; Chordata; Crustacea; hydrographs; Invertebrata; larvae; Mandibulata; Pisces; Southern Ocean; Vertebrata; zooplankton |
| Abstract | The spatial distribution, biomass and size structure of key mesozooplankton species and micronekton in the Bransfield Strait (Antarctica) are described in relation to environmental variables during the austral summer 2001. Stratified (BIONESS) biological sampling at five depth-ranges and CTD casts were performed at 40 stations, including a cross-Strait transect. Six families, 11 genera and 16 species composed the total catch of larval and juvenile fish, which were more abundant in the upper 75 m. Trematomus scotti was the most abundant fish and large individuals dominated at depths ›75 m. The fish distribution patterns were associated with the main water masses in the area and with bottom depth. Spatial segregation in density and biomass of krill (Euphausia superba) and salps (Salpa thompsoni) was observed at a relatively small scale, in relation to the main water masses. Also, size- related spatial segregation was found in krill. (mod. journ. abst.) |
| URL | http://hdl.handle.net/10.1007/s00300-008-0408-1 |
| Publication Type | journal article |
| Record ID | 62005099 |