Results 31 to 40 of about 1,263 (138)

Spatiotemporal assessment of benthic macroinvertebrate communities in the Bermejo River Basin in the Ecuadorian Amazonia

open access: yesLimnology and Oceanography Letters, Volume 10, Issue 3, Page 371-380, June 2025.
Abstract The Cofán communities rely on the Cofán Bermejo Ecological Reserve for their survival and cultural practices. Due to the rugged and inaccessible topography of the reserve in the Northern Ecuadorian Amazon region, limited biomonitoring and ecological characterization studies of the ecosystem health have been conducted.
Federico Sinche Chele   +8 more
wiley   +1 more source

Facilitation of benthic assemblages by Bluehead Chubs: Testing the stress‐gradient hypothesis in streams

open access: yesEcology of Freshwater Fish, Volume 33, Issue 2, April 2024.
Abstract Ecosystem engineers facilitate beneficiary species by ameliorating physical habitat. The stress‐gradient hypothesis (SGH) predicts the importance of facilitation in communities should increase with physical stress but has rarely been tested in freshwater.
Isabel G. Evelyn   +2 more
wiley   +1 more source

Estrutura das comunidades de macroinvertebrados em corredeiras de um riacho cárstico Neotropical nas estações seca e chuvosa [PDF]

open access: yes, 2010
AIM: Our study evaluated the effects of physical and chemical variables and seasonality on diversity and structure of the macroinvertebrate fauna in riffles of a Neotropical chalk stream; METHODS: Sampling was performed during the dry (September 2003 ...
CAVALLARO, Marcel Rodrigo   +3 more
core   +2 more sources

Stream Quality and Benthic Macroinvertebrate Diversity in the Badeye Area, Logone Occidental Province, Southwestern Chad

open access: yesInternational Journal of Ecology, Volume 2024, Issue 1, 2024.
The aim of this study of benthic macroinvertebrates in the southwestern canton of Badeye in Chad was to analyze the community structure in relation to the physicochemical quality of water in the Man baptem tributary. A total of 4,012 benthic macroinvertebrates were identified and counted in 38 families.
Djikoloum Beosso Theophile   +3 more
wiley   +1 more source

Voltinism and Laboratory Rearing of \u3ci\u3eMicrovelia Hinei\u3c/i\u3e (Heteroptera: Gerromorpha: Veliidae) [PDF]

open access: yes, 2018
Voltinism in Microvelia hinei was studied in southern Illinois during 1989 and 1990. This species apparently overwintered as adults, which became active in late April; adults were last collected in late September. First instars were found from mid-May to
McPherson, J. E, Taylor, Steven J
core   +2 more sources

Contribution to the aquatic beetle, aquatic and semiaquatic bug fauna of Hernád and its environments, NE Hungary (Coleoptera: Hydradephaga, Palpicornia; Heteroptera: Nepomorpha, Gerromorpha) [PDF]

open access: yes, 2003
Collecting data of 76 species of water beetles (9 Haliplidae, 21 Dytiscidae, 2 Noteridae, 2 Gyrinidae, 2 Hydrochidae, 13 Helophoridae, 27 Hydrophilidae) and 20 species of water bugs (1 Mesoveliidae, 1 Hydrometridae, 1 Veliidae, 5 Gerridae, 2 Nepidae ...
Boda, Pál   +2 more
core  

Semiaquatic Hemiptera of Wisconsin [PDF]

open access: yes, 2017
Twenty-six species in five families of semi aquatic Hemiptera were collected in Wis­consin and as many as four more may occur. Keys to all of these species are provided along with notes on their distribution, abundance, and identification.
Hilsenhoff, William L
core   +1 more source

Regional biodiversity of terrestrial Heteroptera and Orthoptera in southwestern Illinois [PDF]

open access: yes, 2015
We conducted a baseline inventory of terrestrial Heteroptera (true bugs) and Orthoptera (grasshoppers, crickets and katydids) at foursites in Monroe and Randolph counties,Illinois in
Heads, Sam W.   +3 more
core  

Evaluación de calidad del agua mediante el método Biological Monitoring Working Party en humedales del Bioparque Ukumarí, Pereira [PDF]

open access: yes, 2017
El objetivo de este estudio es evaluar la calidad del agua de los humedales de la quebrada Larga ubicada en el Bioparque Ukumarì, mediante la implementación del método BMWP (Biological Monitoring Working Party). Estos humedales están siendo afectados por
Betancur González, Santiago
core  

Faunal diversity of aquatic insects in Surha Tal of District - Ballia (U. P.), India [PDF]

open access: yes, 2012
Diversity of aquatic insect fauna of Surha Tal, district Ballia (U.P.) was studied during 2006-08. Twenty nine species of aquatic insect were collected.
Agrawal, Nirupma, Sharma, Rajnish Kumar
core   +2 more sources

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