Results 71 to 80 of about 1,009 (193)

The influence of environmental parameters on spatial variation in zoobenthic density and stable isotopes (δ13C, δ15N, and δ34S) within a large lake

open access: yesLimnology and Oceanography, Volume 69, Issue 1, Page 173-188, January 2024.
Abstract The use of baselines in stable isotope studies to interpret food web structure is essential, but baseline isotope values are often assumed to be spatially homogeneous, even in large aquatic ecosystems. To test this assumption in large lakes, we quantified spatial variation in δ13C, δ15N (deposit‐feeding Oligochaeta and filter‐feeding Dreissena
Cecilia E. Heuvel   +5 more
wiley   +1 more source

Macroinvertebrados aquáticos associados às raízes de Eichhornia azuera (Swarts) Kunth (Pontederiaceae) em uma lagoa marginal no Pantanal, MS

open access: yesBiotemas, 2014
Macrófitas aquáticas desempenham um importante papel na estruturação de comunidades dos ecossistemas de aquáticos. No presente estudo, a abundância e a riqueza da comunidade de macroinvertebrados foram comparadas através de correlação simples e da ...
Hugo Henrique Lanzi Saulino   +1 more
doaj   +1 more source

Influence of body weight and substrate granulometry on the reproduction of Limnodrilus hoffmeisteri (Oligochaeta: Naididae: Tubificinae)

open access: yesZoologia (Curitiba), 2011
Limnodrilus hoffmeisteri Claparede, 1862 is a cosmopolitan Oligochaeta widely used as indicator of organic pollution in water bodies. Previous contributions have shown the effects of organic matter and temperature on the life history of the species ...
Haroldo Lobo, Roberto G. Alves
doaj   +1 more source

Naididae (Annelida, Oligochaeta) associated with Pomacea bridgesii (Reeve) (Gastropoda, Ampullaridae)

open access: yesRevista Brasileira de Zoologia, 2006
The family Amplullaridae belongs to this class Gastropoda and is made up of freshwater organisms with a wide geographical distribution in tropical regions. Oligochaeta worms can be found in association with snails of this family, inhabiting the umbilicus of their shells. Due to the lack of information on the ecology of these worms, this work focused on
Gorni, Guilherme R.   +1 more
openaire   +3 more sources

Malacological assessment and natural infestation of Biomphalaria straminea (Dunker, 1848) by Schistosoma mansoni (Sambon, 1907) and Chaetogaster limnaei (K. von Baer, 1827) in an urban eutrophic watershed

open access: yesBrazilian Journal of Biology
The objective of this study was to perform a malacological assessment at the Ibirité reservoir watershed in the metropolitan region of Belo Horizonte (Minas Gerais) and to evaluate the natural infestation rate of Biomphalaria straminea (Gastropoda ...
M. Callisto   +4 more
doaj   +1 more source

Effects of a native and a non-native macrophyte species of Hydrocharitaceae on Chironomidae and Oligochaeta assemblages structure doi: 10.4025/actascibiolsci.v35i3.10855

open access: yesActa Scientiarum: Biological Sciences, 2013
This study investigated the structure of the Oligochaeta and Chironomidae assemblages associated with monospecific stands of two submerged macrophyte species: Egeria najas and Hydrilla verticillata.
Rômulo Diego de Lima Behrend   +5 more
doaj   +1 more source

First record of Dero (Aulophorus) bimagnasetus Harman (Oligochaeta) from Brazil and habitat characteristics

open access: yesBrazilian Journal of Biology
Annelid worms represent a significant part of freshwater benthic communities worldwide and Oligochaeta is a particularly species-rich group. Dero (A) bimagnasetus (Naididae) previously found and described from a small marsh in Surinam in 1974, has now ...
R. Campitelli-Ramos   +4 more
doaj   +1 more source

Claves para las especies colombianas de las familias Naididae y Tubificidae (Oligochaeta, Annelida)

open access: yesCaldasia, 1993
Taxonomic keys of 24 naidid and nine tubificid species, from 65 sampling localities situated in different regions of Colombia, were elaborated. 22 naidids and all tubificids represent first reports forColombia.
Gaviria Elisabeth Anna
doaj  

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