Results 51 to 60 of about 278 (174)

Macroinvertebrados asociados a macrófitas en la laguna La Virginia, páramo Sumapaz, Colombia

open access: yesBiota Colombiana, 2016
El conocimiento limnológico de los páramos es casi inexistente ya que las investigaciones se han desarrollado, principalmente, en zonas andinas y alto andinas.
Ángela María Alba-Hincapié   +2 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  

BENTHIC MACROINVERTEBRATES AS BIOINDICATORS OF ENVIRONMENTAL QUALITY OF PARÁ RIVER ESTUARY, A WETLAND OF EASTERN AMAZON

open access: yesRevista Brasileira de Ciências Ambientais, 2020
The study characterized and evaluated the use of the benthic macroinvertebrate community as an indicator of impacts in different estuarine environments around the Industrial Port Complex (IPC) of Vila do Conde (Pará State, Amazon region).
Álvaro José de Almeida Pinto   +5 more
doaj   +1 more source

Investigation on feeding habit of common carp, Cyprinus carpio, in Anzali Wetland and its relationship to maturity status in spawning season [PDF]

open access: yesبوم‌شناسی آبزیان, 2019
The main aim of this study was to determine the feeding habit of common carp, Cyprinus carpio, during spawning season. 655 specimens were sampled o in Anzali wetland using electroshocker, monthly from October 2015 to March.
Keyvan Abbasi   +3 more
doaj  

New data on benthic Naididae (Annelida, Clitellata) in Polish brackish waters

open access: yesOceanologia, 2017
This paper presents new findings on oligochaete species inhabiting Polish brackish waters. Identification of 455 specimens collected in September 2013 and July 2014 during the macrozoobenthos survey in the Port of Gdynia (the Gulf of Gdańsk, the southern
Lena Marszewska   +2 more
doaj   +1 more source

Investigation on drought effects on diversity, frequency and distribution of benthic fauna in Amirkelayeh Wetland

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2005
The Possible effects of dry years 1998-2000 on benthic organisms of Amirkalayeh Wetland was studied in the year 2001. Six sampling stations were defined where we seasonally collected benthic organisms using a grab sampler.
Sh. Nezami; H. Khara
doaj  

Using oligochaeta assemblages as an indicator of environmental changes

open access: yesBrazilian Journal of Biology
We designed a field survey (the entire river length; not dammed: First and Second plateaus; dammed: Third Plateau) to test the hypothesis that the cascade of reservoirs promoted a reduction in species richness and changed the composition of Oligochaeta ...
RDL. Behrend   +3 more
doaj   +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

First record of Limnodrilus claparedeianus Ratzel, 1868 (Annelida: Oligochaeta: Tubificidae) from Anzali Wetland, Guilan province, Iran

open access: yesCaspian Journal of Environmental Sciences, 2015
Oligochaeta worms are important organisms in aquatic ecosystem. Their omnipresence makes them as an indicator of environmental changes and health of aquatic ecosystem.
Nazarhaghighi, F.   +4 more
doaj  

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

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