Results 81 to 90 of about 2,135 (230)

Fish responses to flow velocity and turbulence in relation to size, sex and parasite load [PDF]

open access: yes, 2014
Riverine fish are subjected to heterogeneous flow velocities and turbulence and may use this to their advantage by selecting regions that balance energy expenditure for station holding while maximizing energy gain through feeding opportunities.
Brew, A.   +3 more
core   +1 more source

Decadal‐scale regional variability in monitoring efforts significantly influences fish diversity trends in the Euphrates and Tigris catchments, Türkiye

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 34, Issue 5, May 2024.
Abstract This study investigates the temporal and spatial distribution of species richness in the Turkish portions of the Euphrates and Tigris catchments in Mesopotamia, aiming to identify areas lacking sufficient research and inform future conservation and management efforts.
Esra Bayçelebi   +7 more
wiley   +1 more source

Environmental impact assessment and conservation planning of a Middle‐Eastern River basin using a fish‐based tolerance index

open access: yesRiver Research and Applications, Volume 40, Issue 3, Page 411-424, March 2024.
Abstract The tolerance of aquatic organisms to stressors is widely used to monitor and evaluate the condition of freshwater ecosystems. Tolerance values (TV) derived from analyses of the relationship between species and their environment are considered to be more objective than those that rely on expert opinion.
Mojgan Zare Shahraki   +6 more
wiley   +1 more source

The Effect of Using Chitosan and Nanokaitosan on the Chemical Composition of Luciobarbus Xanthopterus

open access: yesIOP Conference Series: Earth and Environment
The study was conducted in the laboratories of the Food Science Department at the College of Agriculture at Tikrit University for the period from 1/11/2022 to 11/1/2023, and its main objective is to evaluate the improvement of quality and prolong the ...
Fayza Me. Saleh, T. Albashr
semanticscholar   +1 more source

Disturbance accumulation hampers fish assemblage recovery long after the worst mining spill in the Iberian Peninsula [PDF]

open access: yes, 2016
The influence of environmental variables on native and exotic fish species richness and diversity was analysed 8 years after one of the most environmentally harmful toxic spills worldwide.
Aguiar   +36 more
core   +1 more source

Hybridization and invasive species in a threatened freshwater fish community under environmental pressures: Morphometric and molecular evidence

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 34, Issue 1, January 2024.
Abstract Mediterranean freshwater systems are under threat owing to increased drought driven by climate change, intensive human land uses and non‐native species. This is causing increased fish hybridization in isolated watercourses. The genetic and morphological characteristics of hybrids of sympatric native and non‐native fish species were studied in ...
Lucía Galvez‐Bravo   +7 more
wiley   +1 more source

Length–weight relationship and condition factor of thirteen fish species in the Tigris river before the construction of Ilisu and Cizre dams, Türkiye

open access: yesRevista Científica
The Ilısu Hydroelectric Power Plant (HEPP), situated on the Tigris river in Türkiye, began filling and forming a reservoir in 2021. In addition, there are plans for the construction of the upcoming Cizre HEPP.
Serbest Bilici
doaj   +1 more source

Temporal variations in abundance and biomass of fish species inhabiting the K’sob reservoir (Eastern of Algeria)

open access: yesStudia Universitatis Babeș-Bolyai. Biologia, 2018
This study presents data on fish community structure in the K’sob reservoirs (semi arid area) in the East of Algeria. The artisanal fishery was conducted from September 2010 to August 2011.
Fateh MIMECHE   +1 more
doaj   +1 more source

THE EXPERIENCE OF ARTIFICIAL CULTIVATION OF FRY OF THE ARAL BARBEL (LUCIOBARBUS BRACHYCEPHALUS)

open access: yesBulletin of Dulaty University
This article presents the results of research to assess the growth of fingerlings of the rare and endangered Aral barbel (Luciobarbus brachycephalus) in fish farms in the Kyzylorda region.
T. T. Barakbayev   +2 more
semanticscholar   +1 more source

Utilização e impacto dos cervídeos na vegetação lenhosa [PDF]

open access: yes, 2013
No Nordeste de Portugal, o Corço (Capreolus capreolus) e o Veado (Cervus elaphus) coexistem, sendo pouco conhecido o efeito sobre as plantas mediterrânicas.
Cortez, José Paulo   +2 more
core  

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