Results 61 to 70 of about 2,779 (250)

Vodní měkkýši přírodní rezervace Maštale (východní Čechy) [PDF]

open access: yesMalacologica Bohemoslovaca, 2020
The Maštale Nature Reserve (Eastern Bohemia, Czech Republic) represents a system of rocky sandstone valleys with springs, ponds and several streams. Aquatic molluscs of this area have never been studied, which became a reason for the first inventory ...
Luboš Beran
doaj   +1 more source

Physico-chemical variables determining the invasion risk of freshwater habitats by alien mollusks and crustaceans [PDF]

open access: yes, 2012
The aim of this study was to assess the invasion risk of freshwater habitats and determine the environmental variables that are most favorable for the establishment of alien amphipods, isopods, gastropods, and bivalves.
Früh, Denise   +2 more
core   +1 more source

Genome Architecture and Speciation in Plants and Animals

open access: yesMolecular Ecology, Volume 34, Issue 22, November 2025.
ABSTRACT There have been numerous treatments of specific topics in speciation, but surprisingly few papers have compared patterns and processes of speciation across different organismal groups. In this review, we partially address this gap by asking how variation in genome architecture impacts speciation across the plant and animal kingdoms.
Silu Wang   +3 more
wiley   +1 more source

Matching maternal and paternal experiences underpin molecular thermal acclimation

open access: yesMolecular Ecology, Volume 34, Issue 15, August 2025.
Abstract The environment experienced by one generation has the potential to affect the subsequent one through non‐genetic inheritance of parental effects. Since both mothers and fathers can influence their offspring, questions arise regarding how the maternal, paternal and offspring experiences integrate into the resulting phenotype.
L. C. Bonzi   +5 more
wiley   +1 more source

Experimental evidence of inbreeding avoidance in the hermaphroditic snail Physa acuta [PDF]

open access: yes, 2018
Inbreeding depression should select for inbreeding avoidance behaviours. Here we test this hypothesis in two populations of the simultaneous hermaphroditic freshwater snail Physa acuta.
Facon, Benoît   +2 more
core  

Body size–dependent gender role in a simultaneous hermaphrodite freshwater snail, Physa acuta [PDF]

open access: yesBehavioral Ecology, 2004
We examined whether gender role in the simultaneous hermaphrodite freshwater snail, Physa acuta, is determined by relative body size in a manner predicted by the size-advantage model. We observed the body-size combinations of pairs in the laboratory by using field-collected populations. Smaller individuals tended to play the ‘‘male’’ role (sperm donor),
Kako Ohbayashi-Hodoki   +2 more
openaire   +2 more sources

When One Global Invasion Hides Another—Cryptic Interspecific Invasion in Freshwater Gastropods

open access: yesDiversity and Distributions, Volume 31, Issue 1, January 2025.
ABSTRACT Aim Cryptic invasions are an understudied phenomenon among species invasions, especially in freshwater invertebrates. We study the gastropod family Physidae, including the global invaders Physella acuta and several enigmatic Stenophysa species, their phylogenetic relationships and the presence of native species among African Physidae. We infer
Christian Albrecht   +12 more
wiley   +1 more source

Freshwater snails and Schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: IV - Sul Fluminense Mesoregion

open access: yesMemorias do Instituto Oswaldo Cruz, 2004
In this paper, the forth of a series dealing with the survey of freshwater gastropods of the state of Rio de Janeiro, the results of collections carried out in the Sul Fluminense Mesoregion from 2000 to 2002 are presented and revealed the occurrence of ...
Silvana C Thiengo   +3 more
doaj   +1 more source

Gender-role alternation in the simultaneously hermaphroditic freshwater snail Physa acuta: not with the same partner [PDF]

open access: yes, 2018
In simultaneous hermaphrodites, gender conflicts that arise from two potential mates sharing the same gender preference may be solved through conditional reciprocity (or gamete trading).
Facon, Benoît   +2 more
core  

Principal response curves technique for the analysis of multivariate biomonitoring time series [PDF]

open access: yes
Although chemical and biological monitoring is often used to evaluate the quality of surface waters for regulatory purposes and/or to evaluate environmental status and trends, the resulting biological and chemical data sets are large and difficult to ...
Besten, P.J., den   +3 more
core   +2 more sources

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