Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/58410
Title: Zooplankton abundance and diversity in the tropical and subtropical ocean
Authors: de Puelles, Ma Luz Fernández
Gazá, Magdalena
Cabanellas-Reboredo, Miguel
Santandreu, Ma del Mar
Irigoien, Xabier
González-Gordillo, Juan Ignacio
Duarte, Carlos M.
Hernández-León, Santiago 
UNESCO Clasification: 251001 Oceanografía biológica
Keywords: Copepods
Vertical distribution
Biodiversity
Community composition
Abundance
Deep ocean
Issue Date: 2019
Project: Expedición de Circunnavegación Malaspina 2010: Cambio Global y Exploración Del Océano Global 
"Migradores y Flujo Activo en El Océano Atlántico" 
Biomasa y Flujo Activo en la Zona Batipelágica 
Journal: Diversity 
Abstract: The abundance and composition of zooplankton down to 3000 m depth was studied in the subtropical and tropical latitudes across the Atlantic, Pacific and Indian Oceans (35 °N-40 °S). Samples were collected from December 2010 to June 2011 during the Malaspina Circumnavigation Expedition. Usually, low abundances were observed with the highest values found in the North Pacific Ocean, Benguela, and off Mauritania, and the lowest in the South Pacific Ocean. No significant differences in abundance and zooplankton composition were found among oceans, with depth being consistently the most important factor affecting their distribution. Each depth strata were inhabited by distinct copepod assemblages, which significantly differed among the strata. The contribution of copepods to the zooplankton community increased with the depth although, as expected, their abundance strongly decreased. Among the copepods, 265 species were identified but 85% were rare and contributed less than 1% in abundance. Clausocalanus furcatus and Nannocalanus minor dominated the epipelagic strata. Pleuromamma abdominalis and Lucicutia clausi were of importance in the mesopelagic layer, and Pareucalanus, Triconia, Conaea and Metridia brevicauda in the bathypelagic layer. Our results provide a global-scale assessment of copepod biodiversity and distribution, providing a contemporary benchmark to follow future ocean changes at low latitudes.
URI: http://hdl.handle.net/10553/58410
ISSN: 1424-2818
DOI: 10.3390/d11110203
Source: Diversity [ISSN 1424-2818], v. 11 (11), 203
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