Benthic polychaetes Amphinomida, Phyllodocida and Eunicida (Annelida: Polychaeta) of the austral chilean channel and fjord region collected during the CIMAR 13 to 20 fjords cruises
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Rozbaczylo, N., Vásquez-Yáñez, P., Moreno, R. A., & Díaz-Díaz, O. (2018). Benthic polychaetes Amphinomida, Phyllodocida and Eunicida (Annelida: Polychaeta) of the austral chilean channel and fjord region collected during the CIMAR 13 to 20 fjords cruises. Anales Del Instituto De La Patagonia, 45(2), 51–91. Retrieved from https://www.analesdelinstitutodelapatagonia.cl/index.php/analespatagonia/article/view/757

Abstract

Benthic polychaetes belonging to Amphinomida, Phyllodocida and Eunicida orders collected in the austral Chilean channel and fjord region, in the Magellanic biogeographic province (42ºS-56ºS), from the Reloncaví estuary (41°25’S) to Obstruction estuary (52°11’S), between 26 and 1173 meters water depth, were identified and characterized. Polychaetes were collected during the research cruises CIMAR 13, 14, 15, 17, 18 and 20 Fjords, between the years 2007 and 2014 (CIMAR; Marine Research Cruises in Remote Areas). One hundred and 17 oceanographic stations were analyzed, distributed in each cruise ordered geographycally from north to south as follows: CIMAR 17, 24 sampling stations, from Estero Reloncaví (41°40’S, 72°24’O) to Boca del Guafo (43°49’S, 74°23’O); CIMAR 13, 25 sampling stations, from Boca del Guafo (43°46,40’S) to Estero Elefantes (46°29,00’S); CIMAR 18, 16 sampling stations, from Boca del Guafo (43°46,40’S) to Estero Elefantes (46°29,00’S, 73°49,00’O); CIMAR 20, 26 sampling stations, from Golfo de Penas to Canal Trinidad; CIMAR 14, 15 sampling stations, between Golfo de Penas and Canal Trinidad (47°S a 50°10’O) and CIMAR 15, 11 sampling stations, from Seno Europa (50°07,00’S, 74°14,20’O) to Estero Obstrucción (52°11,00’S, 72°32,20’O). The samples analyzed in this study ware obtained on board the RV AGOR 60 “Vidal Gormaz”, during the CIMAR cruises 13, 14 and 15 Fjords, B/I “Abate Molina” CIMAR cruises 17 and 18 Fjords and AGS 61 “Cabo de Hornos” during the CIMAR cruise 20. In the total area thirtynine species in 15 families were identified. The best represented families were Polynoidae (9 species), Nereididae (5 species) and Lumbrineridae (5 species). Of the species collected, seven constitute new records for the study area and three are new records for Chile.

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Copyright (c) 2018 Nicolás Rozbaczylo, Pamela Vásquez-Yáñez, Rodrigo A. Moreno, Oscar Díaz-Díaz

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