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Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
General characteristics of a large marine ecosystem (Gulf of Alaska). Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal ...
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
Like humans and other animals, fish suffer from diseases and parasites.Fish defences against disease are specific and non-specific. Non-specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth.
In late August, the disease had also been found stretching from Alaska to the border of Mexico, [23] affecting more than 20 species of sea stars on the west coast of North America. [ 24 ] At the beginning of September 2013, a mass die-off of sea stars was reported off the coast of British Columbia.
8 confirmed cases with people who stayed at the JW Marriott Chicago during July–August 2012. [31] 2012: Auckland, New Zealand: Unknown: Water Source and/or Air Conditioning: 11: 1: 9%: The number of people affected in a major outbreak of Legionnaires' disease in Auckland, which has claimed one life, has risen to 11. [32] 2012: Stoke-on-Trent ...
Habitat loss, disease and climate change are thought to be responsible for the drastic decline in populations in recent years. [12] Declines have been particularly intense in the western United States, Central America, South America, eastern Australia and Fiji (although cases of amphibian extinctions have appeared worldwide). While human ...
Amongst other measures, this requires the total eradication of the entire fish stock should an outbreak of the disease be confirmed on any farm. ISAv seriously affects salmon farms in Chile, Norway, Scotland and Canada, causing major economic losses to infected farms. [15] As the name implies, it causes severe anemia of infected fish. Unlike ...