Results 31 to 40 of about 2,432,930 (338)
Fishes, 2023 The introduction of non-native freshwater fish is a primary cause of aquatic biodiversity loss at global scale. Such introductions have a severe impact on freshwater ecosystems in terms of competition, predation, habitat alteration, genetic pollution and
Anaïs Esposito +2 more
doaj +1 more source
Probiotics in Fish Nutrition—Long-Standing Household Remedy or Native Nutraceuticals?
Water, 2021 Over the last decades, aquaculture production increased rapidly. The future development of the industry highly relies on the sustainable utilization of natural resources. The need for improving disease resistance, growth performance, food conversion, and
S. Wuertz, A. Schroeder, Konrad M. Wanka
semanticscholar +1 more source
Land use, associated eel production, and abundance of fish and crayfish in streams in Waikato, New Zealand [PDF]
, 1997 The density and biomass of fish and crayfish, and the production of eels, was compared among streams in native forest, exotic forest, and pasture. Populations were estimated by multiple-pass electroshocking at 11 sites in hill-country streams in the ...
Cairns D., Hicks B. J., Hopkins C. L.
core +2 more sources
Native and non-native ornamental aquarium fishes of Bangladesh
IJOTA (Indonesian Journal of Tropical Aquatic), 2021 The study was conducted in Dhaka, Bangladesh. It was carried out for twelve (12) months from March 2018 to February 2019 to prepare a complete update checklist of native and non-native aquarium fishes of Bangladesh. During the current study, 270 varieties (230 freshwater, 36 marine, and 4 brackish water) belong to 149 species (109 freshwater 73 %, 36 ...
Ishrak Hossain, ABM Mohsin
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Acta Scientiarum: Biological Sciences, 2023 The increasing losses of original features of many riverine environments and the consequent decline of native aquatic species are now a widely recognized problem.
Carlos Henrique Figueiredo Lacerda +2 more
doaj +1 more source
Environmental Reviews, 2019 In aquatic systems, biological invasions can result in adverse ecological effects. Management techniques available for non-native fish removal programs (including eradication and population size control) vary widely, but include chemicals, harvest ...
T. Rytwinski +10 more
semanticscholar +1 more source
Frontiers in Remote Sensing, 2022 Prior to 1984, belugas (Delphinapterus leucas) were seen in large numbers during spring and summer in Kotzebue Sound, Alaska, and provided an important subsistence resource to coastal residents.
Manuel Castellote +4 more
doaj +1 more source
Putting pharmaceuticals into the wider context of challenges to fish populations in rivers [PDF]
, 2014 The natural range of fish species in our rivers is related to flow, elevation, temperature, local habitat and connectivity. For over 2000 years, humans have altered to varying degrees the river habitat.
Andrew C. Johnson +7 more
core +3 more sources
Aquarium dermatitis: Cercarial dermatitis in an aquarist [PDF]
, 1998 A 33-year-old man presented with very itchy red papules on the back of his hands and forearms. These papules appeared about 90 min after he had cleaned his aquarium in which he kept native fish and watersnails.
Bastert, J. +3 more
core +1 more source
Migratory flexibility in native Hawai'ian amphidromous fishes [PDF]
Journal of Fish Biology, 2019 AbstractWe assessed the prevalence of life history variation across four of the five native amphidromous Hawai'ian gobioids to determine whether some or all exhibit evidence of partial migration. Analysis of otolith Sr.: Ca concentrations affirmed that all are amphidromous and revealed evidence of partial migration in three of the four species.
Heidi Heim‐Ballew +4 more
openaire +3 more sources