Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .

Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .

The aim of this paper is to study the polychaete composition from a wide area in the Argentinean shelf, between 36°S and 55°S, by means of samples collected from soft bottoms with Picard dredge, during the "Shinkai Maru" cruises developed in 1978-79. As the study area comprises both the Magellanic and Argentinean Biogeographic Provinces, we analyze if these results show differences in polychaete composition between both Provinces. A total of 816 individuals was studied; 29 families, represented by 70 taxa, were identified. The most frequent (36-57% sampling stations) and abundant families were Onuphidae, Nephtyidae and Ampharetidae, mainly represented by Kinbergonuphis dorsalis, Aglaopha-mus sp. and Ampharete kerguelensis, respectively. Cluster Analysis, SIMPER test and ANOSIM showed two different species assemblages in two well defined areas according to a nearly 60m depth boundary, in correspondence with the classical Magellanic and Argentinean Provinces.

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Main Authors: Bremec, C., Souto, V., Genzano, G.
Format: Journal Contribution biblioteca
Language:English
Published: 2010
Online Access:http://dx.doi.org/10.4067/S0718-686X2010000200005
http://hdl.handle.net/1834/17215
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spelling dig-aquadocs-1834-172152021-05-19T06:24:12Z Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires . Bremec, C. Souto, V. Genzano, G. The aim of this paper is to study the polychaete composition from a wide area in the Argentinean shelf, between 36°S and 55°S, by means of samples collected from soft bottoms with Picard dredge, during the "Shinkai Maru" cruises developed in 1978-79. As the study area comprises both the Magellanic and Argentinean Biogeographic Provinces, we analyze if these results show differences in polychaete composition between both Provinces. A total of 816 individuals was studied; 29 families, represented by 70 taxa, were identified. The most frequent (36-57% sampling stations) and abundant families were Onuphidae, Nephtyidae and Ampharetidae, mainly represented by Kinbergonuphis dorsalis, Aglaopha-mus sp. and Ampharete kerguelensis, respectively. Cluster Analysis, SIMPER test and ANOSIM showed two different species assemblages in two well defined areas according to a nearly 60m depth boundary, in correspondence with the classical Magellanic and Argentinean Provinces. Published 2020-06-15T14:24:02Z 2020-06-15T14:24:02Z 2010 Journal Contribution Refereed http://dx.doi.org/10.4067/S0718-686X2010000200005 http://hdl.handle.net/1834/17215 en pp.47-57
institution UNESCO
collection DSpace
country Francia
countrycode FR
component Bibliográfico
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tag biblioteca
region Europa del Oeste
libraryname Repositorio AQUADOCS
language English
description The aim of this paper is to study the polychaete composition from a wide area in the Argentinean shelf, between 36°S and 55°S, by means of samples collected from soft bottoms with Picard dredge, during the "Shinkai Maru" cruises developed in 1978-79. As the study area comprises both the Magellanic and Argentinean Biogeographic Provinces, we analyze if these results show differences in polychaete composition between both Provinces. A total of 816 individuals was studied; 29 families, represented by 70 taxa, were identified. The most frequent (36-57% sampling stations) and abundant families were Onuphidae, Nephtyidae and Ampharetidae, mainly represented by Kinbergonuphis dorsalis, Aglaopha-mus sp. and Ampharete kerguelensis, respectively. Cluster Analysis, SIMPER test and ANOSIM showed two different species assemblages in two well defined areas according to a nearly 60m depth boundary, in correspondence with the classical Magellanic and Argentinean Provinces.
format Journal Contribution
author Bremec, C.
Souto, V.
Genzano, G.
spellingShingle Bremec, C.
Souto, V.
Genzano, G.
Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
author_facet Bremec, C.
Souto, V.
Genzano, G.
author_sort Bremec, C.
title Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
title_short Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
title_full Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
title_fullStr Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
title_full_unstemmed Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires .
title_sort polychaete assemblages in south western atlantic : results of “ shinkai maru ” iv , v , x and xi ( 1978- 1979 ) cruises in patagonia and buenos aires .
publishDate 2010
url http://dx.doi.org/10.4067/S0718-686X2010000200005
http://hdl.handle.net/1834/17215
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AT genzanog polychaeteassemblagesinsouthwesternatlanticresultsofshinkaimaruivvxandxi19781979cruisesinpatagoniaandbuenosaires
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