Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Samantha L Petersen"'
Autor:
Hedley S Grantham, Edward T Game, Amanda T Lombard, Alistair J Hobday, Anthony J Richardson, Lynnath E Beckley, Robert L Pressey, Jenny A Huggett, Janet C Coetzee, Carl D van der Lingen, Samantha L Petersen, Dagmar Merkle, Hugh P Possingham
Publikováno v:
PLoS ONE, Vol 6, Iss 2, p e16552 (2011)
Pelagic ecosystems support a significant and vital component of the ocean's productivity and biodiversity. They are also heavily exploited and, as a result, are the focus of numerous spatial planning initiatives. Over the past decade, there has been
Externí odkaz:
https://doaj.org/article/ecf2db6c60014f3ba37b6a1a240312ff
Publikováno v:
Ocean & Coastal Management. 151:178-192
We analyze the sustainable seafood movement as a maturing social-ecological issue. Using a timeline of events over more than a decade and other indicators of growth, we identified key points during its six developmental stages, and evidence of entran
Publikováno v:
Marine Policy. 36:286-296
Recent studies report that 80% of marine resources are fully or over exploited. In an attempt to address this, countries are moving towards implementing an Ecosystems Approach (EAF) to Fisheries management. A strong component of an EAF is the involve
Publikováno v:
ICES Journal of Marine Science. 68:2163-2174
Attwood, C. G., Petersen, S. L., and Kerwath, S. E. 2011. Bycatch in South Africa's inshore trawl fishery as determined from observer records. – ICES Journal of Marine Science, 68: 2163–2174. Ship-based observer data were analysed to describe the
Publikováno v:
Progress in Oceanography. 87:289-303
South Africa’s commitment to implementation of the ecosystem approach to fishing (EAF) requires a solid scientific basis comprised of a toolkit assembled through concerted efforts from which management measures can be carefully considered and put i
Autor:
Barbara Paterson, Samantha L. Petersen
Publikováno v:
Marine Policy. 34:276-292
The practical implementation of an ecosystem approach to fisheries (EAF) management has proved difficult to achieve. Without simple and structured guidelines for implementing an EAF, managers are grappling with the complexity of implementation and th
Publikováno v:
African Journal of Marine Science; Vol 31, No 2 (2009)
The waters around South Africa provide rich foraging opportunities for pelagic seabirds. They also support a pelagic longline fleet targeting tunas Thunnus spp. and swordfish Xiphias gladius, which set a total of 41.5 million (average 5.2 million per
Autor:
Samantha L. Petersen, Nicola Thomson, Shelley Clarke, Paul Dalzell, Eric Gilman, Susanna Piovano, Timothy B. Werner, Miguel Donoso, Jeffrey C. Mangel, Meidad Goren, John W. Mandelman, Joanna Alfaro-Shigueto
Publikováno v:
Marine Policy. 32:1-18
Substantial ecological, economic and social problems result from shark interactions in pelagic longline fisheries. Improved understanding of industry attitudes and practices towards shark interactions assists with managing these problems. Information
Autor:
Christopher J. R. Robertson, Geoffrey N. Tuck, Peter G. Ryan, Cathryn L. Abbott, Samantha L. Petersen, Rachael Alderman, Rosemary Gales, Michael C. Double, G. Barry Baker
Publikováno v:
Biological Conservation. 137:319-333
Hundreds of thousands of seabirds are killed each year as a result of interacting with longline and trawl fishing operations, and the severity of the impact varies regionally. Shy and white-capped albatrosses, Thalassarche cauta and Thalassarche stea
Publikováno v:
Ibis. 148:14-26
The African Penguin Spheniscus demersus (Vulnerable) formed three new colonies during the 1980s, two on the South African mainland (Stony Point and Boulders) and one on Robben Island. One of the mainland colonies, at Boulders, Simon's Town, is in a s