Results 51 to 60 of about 2,410 (221)
What does over-fishing mean? What are the effects of over-fishing on fish stocks? Through the game in this lesson, students will understand the effects of over-fishing on the sustainability of fish stocks and, thus, the ability to meet the human demand ...
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Two deep-sea shark species were obtained as by-catch of the local fishery of the Patagonian toothfish, Dissostichus eleginoides, at depths ranging from 1000 to 2200 m off central and northern Chile. A total of 19 parasite taxa were found in 133 specimens
Espínola-Novelo Juan F. +2 more
doaj +1 more source
DNA metabarcoding as a marine conservation and management tool: A circumpolar examination of fishery discards in the diet of threatened albatrosses [PDF]
Almost all of the world's fisheries overlap spatially and temporally with foraging seabirds, with impacts that range from food supplementation (through scavenging behind vessels), to resource competition and incidental mortality. The nature and extent of
Alejandro Kusch +16 more
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Immersion patterns alone can predict vessel following by albatrosses
We demonstrate that seabird immersion patterns alone can detect high‐risk seabird‐vessel interactions, even in the absence of locational data for both seabirds and vessels. Our approach could allow for more comprehensive seabird bycatch risk assessments that quantify previously hidden seabird‐vessel interactions, such as those involving migratory life ...
Jonathan D. Rutter +6 more
wiley +1 more source
Ecology and distribution of the grey notothen, Lepidonotothen squamifrons, around South Georgia and Shag Rocks, Southern Ocean [PDF]
New information on the biology and ecology of an abundant ‘rockcod’ species, Lepidonotothen squamifrons (family: Nototheniidae), found at South Georgia is presented.
Belchier, Mark +2 more
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Food‐webs are a major component of ecosystems and determinant for their functioning and structure. The food chain length (FCL) is a key feature of food‐webs and it is crucial for the resistance of the community to external stressors. The Southern Ocean (SO) food‐web is known for being short and dominated by an Antarctic krill Euphausia superba surplus,
José P. Queirós +5 more
wiley +1 more source
Large marine protected areas (MPAs) are increasingly being established to contribute to global conservation targets but present an immense challenge for managers as they seek to govern human interactions with the environment over a vast geographical ...
Cassandra M. Brooks +2 more
doaj +1 more source
Abstract Biodiversity is critical for maintaining ecosystem function but is threatened by increasing anthropogenic pressures. In the Southern Ocean, a highly biologically productive region containing many endemic species, proactive management is urgently needed to mitigate increasing pressures from fishing, climate change, and tourism.
Sarah L. Becker +14 more
wiley +1 more source
How do seabirds modify their search behaviour when encountering fishing boats?
Seabirds are well known to be attracted by fishing boats to forage on offal and baits. We used recently developed loggers that record accurate GPS position and detect the presence of boats through their radar emissions to examine how albatrosses use Area
Alexandre Corbeau +3 more
doaj +1 more source
DNA Barcoding analysis of seafood accuracy in Washington, D.C. restaurants [PDF]
Indexación: Scopus.In Washington D.C., recent legislation authorizes citizens to test if products are properly represented and, if they are not, to bring a lawsuit for the benefit of the general public.
Crandall, K.A. +3 more
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