Results 21 to 30 of about 114 (71)

Some aspects of the reproductive biology of two populations of Musculium argentinum (d'Orbigny, 1835) (bivalvia: sphaeriidae) from Southern Chile [PDF]

open access: yes, 2012
Sphaerids have adopted a variety of life strategies that have allowed them to show a cosmopolitan distribution. Among these strategies, those related to reproduction, such as sexuality (hermaphroditism), offspring incubation, fertility, number of ...

core  

Population dynamics and reproduction of a Musculium argentinum (Bivalvia: Sphaeriidae) population in Southern Chile, South America [PDF]

open access: yes, 2012
The aim of the present study was to provide data about the population dynamics and reproductive traits of a Musculium argentinum (d'Orbigny, 1835) population inhabiting a channel next to the city of Lautaro in southern Chile.

core  

The Recent Introduction of a Freshwater Asiatic Bivalve, Limnoperna forlunei (Mytilidae) into South America [PDF]

open access: yes, 1995
The temporal and spatial distribution of Limnoperna forlunei in the Argentine littoral of the Rio de la Plata is reported. Its distribution is limited by the most contaminated area and by an increment in the saline concentration.
Darrigran, Gustavo Alberto   +1 more
core   +2 more sources

Estado de conocimiento de los Bivalvos dulceacuícolas de Chile Current state of knowledge of freshwater Bivalves of Chile

open access: yesGayana, 2006
Se presenta el estado actual del conocimiento de los bivalvos dulceacuícolas chilenos. Las especies descritas a la fecha, pertenecen a las familias Hyriidae, representada sólo por el género Diplodon con dos especies (D. chilensis y D.
Esperanza Parada, Santiago Peredo
doaj  

Los moluscos del Delta bonaerense [PDF]

open access: yes, 2022
Los moluscos son, después de los artrópodos, el grupo más diverso y extendido sobre el planeta, habitando diferentes tipos de ambientes marinos y continentales.
Athor, José   +3 more
core  

Mollusk communities differ between microenvironments within a shallow lake in the Pampean Region, Argentina [PDF]

open access: yes, 2019
El objetivo de este trabajo es comparar la distribución de los ensambles de moluscos en diferentes sitios dentro de un lago somero pampeano y evaluar la relación que existe entre la abundancia y la riqueza de moluscos y las variables ambientales.
Cristini, Paula A.   +2 more
core  

Descripción de las formas de justificación de los objetivos en artículos de investigación en español de seis áreas científicas [PDF]

open access: yes, 2012
The justification of research objectives is an inherent part of scientific pro-duction. However, there are not any detailed descriptions as to how this practice is carried out in different scientific areas. In this article, we analyze textual extracts of
Landea Balin, Denisse   +1 more
core   +2 more sources

Estado actual de la taxonomía de bivalvos dulceacuícolas chilenos: progresos y conflictos

open access: yesRevista Chilena de Historia Natural, 2002
Se presenta una revisión actualizada de la taxonomía de los bivalvos dulceacuícolas chilenos. Los bivalvos descritos a la fecha, están adscritos a dos familias: Hyriidae representada sólo por el género Diplodon con dos especies (D.
ESPERANZA PARADA, SANTIAGO PEREDO
doaj  

Анализ морфологических признаков, внутригрупповые филогенетические отношения и возможные внешние группы семейства Sphaeriidae (Mollusca, Bivalvia) [PDF]

open access: yes, 2002
Scenaria of the morphological characters transformations in freshwater molluscs traditionally included in the family Sphaeriidae are studied; they are based on the phylogenetic analysis of 69 characters in 57 taxa.Рассмотрены сценарии эволюционных ...
Korniushin, A.V.
core   +1 more source

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