Results 81 to 90 of about 1,130 (206)

Observaciones acerca de algunos Tubificidae (Oligochaeta) de la Peninsula Iberica, con la descripcion de Phallodrillus riparius n. sp

open access: yes, 2011
Se describe una nueva especie de Tubificidae, Phallodrilus riparius n. sp., capturada en el río Tambre (Galicia). La forma y el número de sedas peniales, la forma de las espermatecas y la presencia de tubo digestivo son los principales caracteres que ...
E. Martinez-Ansemil, N. Giani
core   +1 more source

Cocoon production and hatching rates of Branchiura sowerbyi Beddard (Oligochaeta: Tubificidae) [PDF]

open access: yes, 2008
Branchiura sowerbyi Beddard, 1892 is a Tubificidae species abundant in tropical limnic environments and associated with sediments rich in organic matter and elevated temperatures.
Alves, Roberto G.   +5 more
core   +1 more source

Influência de variáveis ambientais sobre a comunidade de oligoquetos (Annelida: Clitellata) em um córrego neotropical

open access: yesBiotemas, 2014
Dentre os organismos da comunidade bentônica, os oligoquetos são peças fundamentais no fluxo de energia e na reciclagem de matéria orgânica nos ecossistemas aquáticos, onde sua distribuição é influenciada, principalmente, pelos padrões hidrológicos ...
Guilherme Rossi Gorni   +1 more
doaj   +1 more source

Six decades of Lake Ontario ecological history according to benthos. [PDF]

open access: yesJ Great Lakes Res, 2022
Burlakova LE   +10 more
europepmc   +1 more source

FIGURE 1 in New phallodrilines (Annelida: Clitellata: Tubificidae) from Western Australian groundwater

open access: yes, 2006
FIGURE 1. Map of Western Australia showing major geological units and localities for 1) Pectinodrilus ningaloo, 2) Aktedrilus parvithecatus, 3) Aktedrilus podeilema, 4) Aktedrilus leeuwinensis and 5) Aktedrilus sp.Published as part of Pinder, Adrian M ...
Humphreys, William F.   +2 more
core   +1 more source

Impactos de la acuicultura en los nutrientes del agua y macroinvertebrados bentónicos del Lago Guamuez

open access: yesRevista Mvz Cordoba, 2018
Objetivo. Determinar el nivel de impacto ambiental ocasionado por una estación acuícola de producción intensiva de trucha arcoíris (Onchorhynchus mykiss), en sistemas de jaulas flotantes en los nutrientes del agua y macroinvertebrados bentónicos en el ...
Edgar Andrés González Legarda   +4 more
doaj   +1 more source

The Effect of Chromium on the Hemoglobin Concentration of Limnodrilus hoffmeisteri (Oligochaeta: Tubificidae)

open access: yesEcotoxicology and Environmental Safety, 2001
The purpose of this study was to determine the toxic effects of polluted sediments, mainly chromium, the El Niagara reservoir (Aguascalientes, Mexico) on a benthic oligochaete species. Acute toxicity tests with hexavalent chromium in an artificial sediment-water system resulted in 24-, 48-, and 96-h LC50 values of 49.53, 22.81, and 5.11 mg available ...
F J, Flores-Tena, L, Martínez-Tabchet
openaire   +2 more sources

Automated μFTIR Imaging Demonstrates Taxon-Specific and Selective Uptake of Microplastic by Freshwater Invertebrates. [PDF]

open access: yesEnviron Sci Technol, 2021
Pan CG   +6 more
europepmc   +1 more source

Ultrastructural investigation of coelomocytes in representatives of Naidinae and Rhyacodrilinae (Annelida, Clitellata, Tubificidae)

open access: yes, 2008
Various types of free-floating cells are found in the coelomic fluid of representatives of several annelid groups. The ultrastructure of these "coelomocytes," however, has been studied to a limited degree.
Erséus, Christer,   +4 more
core   +1 more source

Baltidrilus nom. nov., a substitute name for the genus Heterochaeta Claparède, 1863 (Annelida, Clitellata, Tubificidae) non Heterochaeta Westwood, 1843 (Insecta, Mantodea, Mantidae)

open access: yes, 2013
Timm, Tarmo (2013): Baltidrilus nom. nov., a substitute name for the genus Heterochaeta Claparède, 1863 (Annelida, Clitellata, Tubificidae) non Heterochaeta Westwood, 1843 (Insecta, Mantodea, Mantidae).
Timm, Tarmo
core   +1 more source

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