Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina

The species of the genus Drepanotrema, most of them endemic to the Neotropical region, belong to the Planorbidae. Of the nine species of this genus, six are found in Argentina. The present investigation analysed the individual growth of Drepanotrema cimex in Arenalcito pond (34°11' S, 58°15...

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Autores principales: Martin, Stella Maris, Díaz, Ana Carolina, Rumi Macchi Zubiaurre, Alejandra
Formato: Articulo
Lenguaje:Inglés
Publicado: 2013
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/122114
Aporte de:
id I19-R120-10915-122114
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Zoología
Drepanotrema cimex
individual growth
Bertalanffy equation
Martín García Island
Crescimento individual
Equação Bertalanffy
Ilha Martín García
spellingShingle Zoología
Drepanotrema cimex
individual growth
Bertalanffy equation
Martín García Island
Crescimento individual
Equação Bertalanffy
Ilha Martín García
Martin, Stella Maris
Díaz, Ana Carolina
Rumi Macchi Zubiaurre, Alejandra
Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
topic_facet Zoología
Drepanotrema cimex
individual growth
Bertalanffy equation
Martín García Island
Crescimento individual
Equação Bertalanffy
Ilha Martín García
description The species of the genus Drepanotrema, most of them endemic to the Neotropical region, belong to the Planorbidae. Of the nine species of this genus, six are found in Argentina. The present investigation analysed the individual growth of Drepanotrema cimex in Arenalcito pond (34°11' S, 58°15' W), Martín García Island Natural Reserve of Multiple Uses, Buenos Aires Province, Argentina. A total of 14 samples were collected (n = 1931) from February 2006 to June 2007. Five environmental variables were measured: water temperature, dissolved oxygen (mg L-1), electrical conductivity (p.S cm-1), total dissolved solids, and pH. The individual growth of the species was analysed mathematically by means of the von Bertalanffy equation, where: Lt = 5,6(1-e-2’0592 (t-0’293)). The parameter Lro was estimated by the Ford-Walford Method. The population of D. cimex was characterised by a complex and dynamic size structure throughout the annual cycle. The analysis ofthe curves revealedunimodal (2006) andpolymodal (April to June 2007) distributions, which pattern servedto identify the existence ofcohorts within the population studied.
format Articulo
Articulo
author Martin, Stella Maris
Díaz, Ana Carolina
Rumi Macchi Zubiaurre, Alejandra
author_facet Martin, Stella Maris
Díaz, Ana Carolina
Rumi Macchi Zubiaurre, Alejandra
author_sort Martin, Stella Maris
title Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
title_short Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
title_full Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
title_fullStr Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
title_full_unstemmed Individual growth of Drepanotrema cimex (Pulmonata: Planorbidae) from Arenalcito pond, natural reserve multiple uses Martin García Island, Buenos Aires, Argentina
title_sort individual growth of drepanotrema cimex (pulmonata: planorbidae) from arenalcito pond, natural reserve multiple uses martin garcía island, buenos aires, argentina
publishDate 2013
url http://sedici.unlp.edu.ar/handle/10915/122114
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