Results 41 to 50 of about 1,997 (179)
Biological report - fish mortality, River Conder, 21.7.79 [PDF]
, 1979 Following a large scale fish mortality caused by a considerable spillage of a pentachlbrophenol-based disinfectant from a mushroom farm, a biological survey of the river Conder was undertaken on 23.7.79.
Ingersent, B.
core
Limnology and Oceanography, Volume 70, Issue S2, Page S352-S363, December 2025.Abstract Prolonged droughts, driven by climate change and human pressures on water resources, are increasing in frequency and intensity, particularly impacting Alpine rivers. Benthic macroinvertebrates are one of the most important structural and functional components of Alpine lotic ecosystems.
Anna Marino +2 more
wiley +1 more source
Ecology of Freshwater Fish, Volume 34, Issue 4, October 2025.ABSTRACT Environmental and biological factors strongly shape fish diets, yet little is known about such influences in flooded Karst Dolines of the Neotropical region. This study examined the diet of Deuterodon luetkenii and assessed its temporal and ontogenetic variation in Lagoa Misteriosa, a karstic lagoon. Fish were sampled bimonthly over 1 year and
Amanda Menegante Caldatto +3 more
wiley +1 more source
New finds of tokophrya wenzeli (Ciliophora, Suctorea), a commensal of water mites (acari, hydrachnidia), and the redescription of the species [PDF]
, 2012 The article deals with investigations of suctorian species Tokophrya wenzeli Matthes et Stiebler, 1970 which was observed in waterbodies of Ukraine, Poland and Macedonia.
Dovgal, I. V., Pesіc, V., Zawal, А.
core +1 more source
Journal of Zoology, Volume 322, Issue 4, Page 351-363, April 2024.We demonstrate seasonal plasticity in heart ventricle size and collagen content in field‐raised pumpkinseed, and the rapid adaptive divergence of size plasticity between populations under contrasting seasonal regimes. Image credits: Kathryn Peiman (pumpkinseed photograph), Susan Procopio (heart ventricle photograph), and @KleinerKalender (season icons).
S. M. Procopio +4 more
wiley +1 more source
Revista Mexicana de Biodiversidad, 2009 Se describe una especie nueva de hidracárido (Hydrachnidia: Pionidae) perteneciente al género Piona, recolectada en canales de la zona lacustre de Xochimilco, México, D. F.
Carlos Humberto Marín-Hernández +1 more
doaj
Water quality of the São Gonçalo channel, urban and agricultural water supply in southern Brazil
RBRHSão Gonçalo channel connects Patos and Mirim lagoons, in South Brazil. This ecosystem is 70 Km long, and is a major regional source of urban and agricultural water supply, mainly for the municipality of Rio Grande, with ca. 250 thousand citizens.
Edélti Faria Albertoni +3 more
doaj +1 more source
Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]
, 2005 The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
core
State of knowledge of aquatic ecosystem and fisheries of the Lake Edward System, East Africa
Aquaculture, Fish and Fisheries, Volume 4, Issue 1, February 2024.We present the state of knowledge of Lakes Edward, George, and the Kazinga channel, East Africa, from a review conducted to organize existing data and information to support decision making and establish research gaps. Substantial information and data exists on aspects such as extant taxa, water quality and fish catches.
Laban Musinguzi +5 more
wiley +1 more source
Two New Species of Water Mites from Ohio [PDF]
, 1967 Author Institution: Wayne State University, Detroit, MichiganTwo new species of Hydracarina, Tiphys weaveri (Acarina: Pionidae) and Axonopsis ohioensis (Acarina: Axonopsidae), are described from Wayne County, Ohio.
Cook, David R.
core