Results 31 to 40 of about 3,842,095 (218)

What are the consequences of fish entrainment and impingement associated with hydroelectric dams on fish productivity? A systematic review protocol

open access: yesEnvironmental Evidence, 2017
BackgroundThis systematic review will address the need for a better understanding of the impacts of fish entrainment and impingement associated with hydroelectric dams on fish productivity in freshwater temperate environments.
T. Rytwinski   +6 more
semanticscholar   +1 more source

Productivity of nursery ponds under the complex exposure to their ecosystem

open access: yesRibogospodarsʹka Nauka Ukraïni, 2020
Purpose. To investigate the peculiarities of the formation of hydrochemical, hydrobiological regimes and to determine the fish productivity of nursery ponds under a complex exposure to their ecosystem. Methodology.
Т. Hryhorenko, S. Mushyt, А. Bazaieva
doaj   +1 more source

Expanding fish productivity in Tasmanian saltmarsh wetlands through tidal reconnection and habitat repair

open access: yesMarine and Freshwater Research, 2019
Fish use of coastal saltmarsh wetlands has been documented for many parts of Australia with the notable exception of Tasmania. An initial investigation to examine the diversity, density and patterns of fish use in the Circular Head coast saltmarshes of ...
Vishnu Prahalad   +3 more
semanticscholar   +1 more source

EXPERIENCE OF THE USE OF BREWER᾽S GRAINS FOR FERTILIZFTION OF FISH PONDS

open access: yesRibogospodarsʹka Nauka Ukraïni, 2013
Purpose. To investigate the effect of brewer᾽s grains on formation of hydrochemical regime, development of natural forage base, and fish productivity in nursery ponds. Methodology.
T. Grygorenko
doaj   +1 more source

Fluctuating salinity during development impacts fish productivity

open access: yesbioRxiv
Climate change is elevating salinity levels in many freshwater systems, and more erratic rainfall is increasing variation in salinity. Consequently, many species now experience more extreme developmental environments.
Meng-Han Joseph Chung   +4 more
semanticscholar   +1 more source

Captive-bred Atlantic salmon released into the wild have fewer offspring than wild-bred fish and decrease population productivity

open access: yesProceedings of the Royal Society B, 2020
The release of captive-bred animals into the wild is commonly practised to restore or supplement wild populations but comes with a suite of ecological and genetic consequences.
R. J. O’Sullivan   +9 more
semanticscholar   +1 more source

Fish Commission research briefs. Vol. 3, no. 1

open access: yes
These short reports are intended to inform the public, industry, and other interested parties of the current studies of the Commission's staff and the basis for conservation measures.
Oregon. Fish Commission
core   +6 more sources

Effect of stoking density on the productivity parameters of young-of-the-year tench (Tinca tinca Linnaeus, 1758) grown in recirculation aquaculture system conditions

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To characterize the productive and biological features of juvenile tench (Tinca tinca Linnaeus, 1758) grown in a recirculation aquaculture system and to select the optimal stocking density for intensive cultivation technology.
R. Konopelsky   +3 more
doaj   +1 more source

PREDICTION OF THE RESULTS OF CYPRINID (CYPRINIDAE) FISH SEED CULTIVATION FOR STOCKING IN THE LOWER DNIEPER RESERVOIRS

open access: yesRibogospodarsʹka Nauka Ukraïni, 2015
Purpose. To improve the technology of growing age-1+ carp by constructing mathematical equations for predicting the results of cyprinid fish seed growing in ponds, including the level of fish productivity depending on the level of intensification ...
Yu. Loshkova, V. Shevchenko
doaj   +1 more source

Some pecularities of cultivation of table paddlefish (Polyodon spathula Walbaum, 1792) in ponds of the Forest-Steppe and Polissiya of Ukraine

open access: yesRibogospodarsʹka Nauka Ukraïni, 2020
Purpose. To investigate the growth characteristics and determine the productivity of paddlefish grown to marketable weight in ponds of the Forest-steppe and Polesia of Ukraine. Methodology.
B. Gankevich, A. Tretyak, E. Kolos
doaj   +1 more source

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