Results 131 to 140 of about 4,120,994 (278)

Assessing downstream passage of European silver eel at a tidal pumping station: acceleration as a proxy for eel activity

open access: yesMovement Ecology
Background To complete their lifecycle, diadromous fish often need to pass anthropogenic barriers in regulated rivers and estuaries (e.g., pumping stations, weirs, hydropower facilities). The safe and timely passage of the endangered catadromous European
I. van der Knaap   +4 more
doaj   +1 more source

Exploring bacterial community composition and immune gene expression of European eel larvae (Anguilla anguilla) in relation to first-feeding diets. [PDF]

open access: yesPLoS One, 2023
Bandara KA   +7 more
europepmc   +1 more source

Always a Manager? Assessing the Commission's Capacity to Manage and Deepen the Post‐Brexit EU–UK Relationship Whilst Expanding Its Competencies

open access: yesJCMS: Journal of Common Market Studies, EarlyView.
Abstract This article analyses the European Commission's (Commission) capacity to manage and deepen the EU–UK relationship post the implementation of the Trade and Cooperation Agreement (TCA) and its efforts to expand its competencies within the framework, through the use of the principal–agent theory.
David Moloney, Simon Usherwood
wiley   +1 more source

The decline of diadromous fish in Western Europe inland waters: mains causes and consequence [PDF]

open access: yes, 2009
Relative to the overwhelming information available on marine fisheries, inland systems have received less attention within the global fisheries crisis.
Lobón-Cerviá, Javier   +3 more
core  

Points vs. passes: A comparison between electric fishing techniques for sampling fish populations in upland headwater streams

open access: yesJournal of Fish Biology, EarlyView.
Abstract Point‐abundance sampling by electric fishing (PASE) was compared with single‐pass (DF1) and triple‐pass depletion sampling (DF3) electric fishing on the same reaches of four headwater streams sampled over multiple years in the Ribble catchment, UK. Juvenile salmonids, mostly brown trout Salmo trutta with some Atlantic salmon S.
Reagan H. Pearce   +3 more
wiley   +1 more source

Fluorescence of European glass eel (Anguilla anguilla L.) under ultraviolet light

open access: yesAquaculture, Fish and Fisheries
The existence of ultraviolet (UV) biofluorescence in nature has been documented in a wide range of flora and fauna. Biofluorescence is utilised throughout biological and ecological functionality, and although invisible to the human visual perception ...
A. Moore, F. Armstrong, Derek W. Evans
doaj   +1 more source

Altered photoperiod affects behaviour in a key fish grazer, the thinlip grey mullet, Chelon ramada

open access: yesJournal of Fish Biology, EarlyView.
Abstract The aim of this study is to address experimentally the immediate impacts of an alteration of the photoperiod, simulating an extreme artificial light pollution, on the behaviour and stress of a key grazer fish common in temperate coastal ecosystems in Europe, the thinlip grey mullet, Chelon ramada.
Caroline Roux   +7 more
wiley   +1 more source

Diversification of habenular organization and asymmetries in teleosts: Insights from the Atlantic salmon and European eel. [PDF]

open access: yesFront Cell Dev Biol, 2022
Michel L   +11 more
europepmc   +1 more source

Water temperature and river discharge drive age‐dependent changes in brown trout (Salmo trutta) growth

open access: yesJournal of Fish Biology, EarlyView.
Abstract Rivers and streams exhibit inherent variability in environmental conditions, particularly in water temperature and stream discharge. These factors can impact fish growth through both direct (i.e., physiological) and indirect (i.e., ecosystem productivity) mechanisms.
Patricia Y. Koh   +3 more
wiley   +1 more source

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