Results 161 to 170 of about 245,490 (208)

Fish‐Bone Impaction of the Throat

Australian and New Zealand Journal of Surgery, 1969
A series of 55 cases of fish‐bone impaction of the pharynx and œsophagus is discussed. Special reference is made to the serious and sometimes fatal complications that may result from delay in treatment, and cases illustrating these complications are reported in detail.SummaryFifty‐five cases of fish‐bone impaction of the pharynx and the œsophagus are ...
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The Environmental Impacts of Fishing

2019
Environmental Impacts of Fishing. All food production has environmental costs, including greenhouse gases, nutrient release, water use, antibiotic use, soil erosion, and biodiversity loss. Where data are available, we compare the environmental costs of capture fisheries to aquaculture, livestock, and crops.
Ray Hilborn, Ulrike Hilborn
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Factors Affecting Benthic Impacts at Scottish Fish Farms

Environmental Science & Technology, 2010
The factors affecting patterns of benthic [seabed] biology and chemistry around 50 Scottish fish farms were investigated using linear mixed-effects models that account for inherent correlations between observations from the same farm. The abundance of benthic macrofauna and sediment concentrations of organic carbon were both influenced by a significant,
Mayor, Daniel J., Zuur, Alain F., Solan, Martin, Paton, Graeme I., Killham, Ken   +4 more
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Impact of Fishing Pressure on Mean Length of Fish

2002
In Chapters 2 and 3 we dealt with each population of a species in a fairly aggregate way. There was one state variable representing the stock of whales, and one for the sand lance. That level of disaggregation was sufficient to capture the main features of our system—the interaction between predators and prey. In Chapter 4 we treated juvenile and adult
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How fishes and invertebrates impact coral resilience

Current Biology
Increasingly intense and frequent ocean heatwaves are causing widespread coral mortality. These heatwaves are just one of the many stressors - among for instance ocean acidification, nutrient pollution and destructive fishing practices - that have caused widespread decline of coral reefs over the past century.
Adrian C, Stier, Craig W, Osenberg
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Environmental Impacts of Fish Farming

Abstract: Sustainable aquaculture promises to provide more productive, climate smart and environmentally responsible farming practices with reduced impacts on global environment. Fish farming, or aquaculture, can have both positive and negative effects on the aquatic environment.
Sharmila P. S., Dhanya Balakrishnan
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Fish introductions in California: History and impact on native fishes

Biological Conservation, 1976
Abstract Since 1871 , at least 50 species of fish have been successfully introduced into California's inland waters, and numerous transfers of native fishes have been made between isolated drainage systems. Introductions were made of sport fish, commercial fish, forage fish, bait fish, fish for weed and insect control, and aquarium fish.
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Impacts of Belo Monte dam on fish co-occurrence and artisanal fishing

Journal of Environmental Management
The operation of large hydroelectric dams, such as Belo Monte in the Brazilian Amazon, significantly disrupts local freshwater ecosystems, impacting the socio-economic fabric and food security of dependent communities. To investigate and simulate future dam-induced impacts on fish species crucial for subsistence and artisanal fishing, this study ...
Nathália Napole, Andres Ospina-Alvarez, Philip Martin Fearnside, Priscila Fabiana Macedo Lopes   +3 more
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When a Fish is a Fish: The Economic Impacts of Escaped Farmed Fish [PDF]

, 2011
The escape of cultured fish from a marine aquaculture facility is a type of biological invasion that may lead to a variety of potential ecological and economic effects on native fish. This paper develops a general invasive species impact model to capture explicitly both the ecological and economic effects of invasive species, especially escaped farmed ...
Yajie Liu, Jon Olaf Olaussen, Anders Skonhoft   +2 more
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Nonfishing Impacts on Essential Fish Habitat

2022
NOAA White Paper NMFS-NWFSC ; WP-2022 ...
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