Results 41 to 50 of about 6,303 (216)
New records of Piscicola geometra (Linnaeus 1758) (Hirudinea, Piscicolidae) in Ebro River Basin (N Spain). [PDF]
This note represents a contribution to the knowledge of the presence of the fish leech Piscicola geometra (Linnaeus 1758) (Hirudinea, Piscicolidae) in the Ebro River Basin. This species was collected in two rivers in the Ebro River Basin.
Oscoz, J., Tomás, P., Durán, C.
doaj
Leeches (Hirudinea) in aquatic ecosystems of national park “Prielbrusye”
The article provides information about the fauna of leeches living in the various reservoirs on especially protected natural territories of the Federal state budget establishment The National Park Prielbrusye.
Andrey Vladimirovich Yakimov +4 more
doaj +1 more source
Plant balls from a Pomeranian lake, their invertebrate and microplastic components
Two balls with similar diameters (approximately 11–12cm) were found on the bottom of Lake Białe (Kashubian Lake District) at depths of 4m and 7m. The structures were made of tightly-packed plant remains represented mainly by decaying leaves of Larix sp ...
Witalis Bartosz, Kornijów Ryszard
doaj +1 more source
The study examined how increasing flow intermittency affects macroinvertebrate community organisation in newly drying headwater streams. Results showed that drying selectively filters species and trait states, with resistance‐ and resilience‐related survival strategies responding differently to increasing intermittency.
Tamás Bozóki +5 more
wiley +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]
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
Foi avaliada a atividade predatória, em laboratório, de Helobdella triserialis lineata (Hirudinea: Glossiphonidae) sobre ovos, larvas e pupas de Aedes fluviatilis e Culex quinquefasciatus (Diptera: Culicidae), bem como a influência da presença desses ...
Rotraut Anna Gertrud Bohlmann Cônsoli +3 more
doaj +1 more source
Abundance and composition of invertebrate-feeding leeches in relation to fish status in ponds
Leeches feeding on invertebrates are an important component of freshwater communities, including those dominated by fish, but the effects of fish on their abundance and distribution are not well explored.
M. Nieoczym +4 more
doaj +1 more source
The livestock industry in Ethiopia suffers greatly from parasites and parasitic diseases including leech infestation. Leech infestation is a serious disease of animals and occasionally humans, but it is usually ignored. A cross‐sectional study design was carried out from January 2022 to June 2022 to estimate the prevalence of leech infestation in ...
Moges Maru +11 more
wiley +1 more source
The diagnosis, distribution and bionomics of the ten species of leeches occurring in the Kruger National Park and a key to the identification of the species are presented.
J.H. Oosthuizen
doaj +1 more source
Langcliffe hatchery investigations 1982 [on River Ribble near Settle] [PDF]
Langcliffe hatchery investigations looks at fish mortalities for salmon (fry), sea trout, brown trout and rainbow trout, and explores the River Ribble's water ...
Clough, W.T.
core

