Search Results - "TRATHAN, P"

Estimating the average distribution of Antarctic krill Euphausia superba at the northern Antarctic Peninsula during austral summer and winter by Warwick-Evans, V., Fielding, S., Reiss, C. S., Watters, G. M., Trathan, P. N.

“…This study was performed to aid the management of the fishery for Antarctic krill Euphausia superba . Krill are an important component of the Antarctic marine…”
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Ecological drivers of change at South Georgia: the krill surplus, or climate variability by Trathan, P. N., Ratcliffe, N., Masden, E. A.

“…Macaroni penguins Eudyptes chrysolophus are thought to be one of the most important mesopredators in the Southern Ocean having a greater impact on prey…”
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Positive selection over the mitochondrial genome and its role in the diversification of gentoo penguins in response to adaptation in isolation by Noll, D., Leon, F., Brandt, D., Pistorius, P., Le Bohec, C., Bonadonna, F., Trathan, P. N., Barbosa, A., Rey, A. Raya, Dantas, G. P. M., Bowie, R. C. K., Poulin, E., Vianna, J. A.

“…Although mitochondrial DNA has been widely used in phylogeography, evidence has emerged that factors such as climate, food availability, and environmental…”
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Seabird and seal responses to the physical environment and to spatio-temporal variation in the distribution and abundance of Antarctic krill at South Georgia, with implications for local fisheries management by Trathan, P N, Fielding, S, Warwick-Evans, V, Freer, J, Perry, F

“…Abstract We used 22 years of seasonally and spatially consistent monitoring data to explore marine predator–prey numerical response relationships…”
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Enhancing the ecosystem approach for the fishery for Antarctic krill within the complex, variable, and changing ecosystem at South Georgia by Trathan, P N, Fielding, S, Hollyman, P R, Murphy, E J, Warwick-Evans, V, Collins, M A

“…Abstract The objective of the ecosystem approach to fisheries management is to sustain healthy marine ecosystems and the fisheries they support. One of the…”
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Sub-Antarctic marine aerosol: dominant contributions from biogenic sources by Schmale, J, Schneider, J, Nemitz, E, Tang, Y. S, Dragosits, U, Blackall, T. D, Trathan, P. N, Phillips, G. J, Sutton, M, Braban, C. F

“…Biogenic influences on the composition and characteristics of aerosol were investigated on Bird Island (54°00' S, 38°03' W) in the South Atlantic during…”
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Environmental Change and Antarctic Seabird Populations by Croxall, J. P., Trathan, P. N., Murphy, E. J.

“…Recent changes in Antarctic seabird populations may reflect direct and indirect responses to regional climate change. The best long-term data for high-latitude…”
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Un-crewed aerial vehicle population survey of three sympatrically breeding seabird species at Signy Island, South Orkney Islands by Dunn, M. J., Adlard, S., Taylor, A. P., Wood, A. G., Trathan, P. N., Ratcliffe, N.

“…Surveying seabirds in polar latitudes can be challenging due to sparse human populations, lack of infrastructure and the risk of disturbance to wildlife or…”
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Impact of climate change on Antarctic krill by Flores, H., Atkinson, A., Kawaguchi, S., Krafft, B. A., Milinevsky, G., Nicol, S., Reiss, C., Tarling, G. A., Werner, R., Rebolledo, E. Bravo, Cirelli, V., Cuzin-Roudy, J., Fielding, S., Groeneveld, J. J., Haraldsson, M., Lombana, A., Marschoff, E., Meyer, B., Pakhomov, E. A., Rombolá, E., Schmidt, K., Siegel, V., Teschke, M., Tonkes, H., Toullec, J. Y., Trathan, P. N., Tremblay, N., Van de Putte, A. P., van Franeker, J. A., Werner, T.

“…Antarctic krillEuphausia superba(hereafter ‘krill’) occur in regions undergoing rapid environmental change, particularly loss of winter sea ice. During recent…”
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Female fur seals show active choice for males that are heterozygous and unrelated by Hoffman, J. I, Forcada, J, Trathan, P. N, Amos, W

“…Much debate surrounds the exact rules that influence mating behaviour, and in particular the selective forces that explain the evolution of female preferences…”
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Quantifying circumpolar summer habitat for Antarctic krill and Ice krill, two key species of the Antarctic marine ecosystem by Merkel, B, Trathan, P, Thorpe, S, Murphy, E J, Pehlke, H, Teschke, K, Griffith, G P

“…Abstract Antarctic krill (Euphausia superba) and Ice krill (Euphausia crystallorophias) are key species within Southern Ocean marine ecosystems. Given their…”
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Contrasting population changes in sympatric penguin species in association with climate warming by Forcada, Jaume, Trathan, P.N, Reid, K, Murphy, E.J, Croxall, J.P

“…Climate warming and associated sea ice reductions in Antarctica have modified habitat conditions for some species. These include the congeneric Adélie,…”
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Multi-scale assessment of distribution and density of procellariiform seabirds within the Northern Antarctic Peninsula marine ecosystem by Warwick-Evans, V, A Santora, J, Waggitt, J J, Trathan, P N

“…Abstract The Antarctic Peninsula is one of the most rapidly warming regions on earth, and it is likely that the abundance and distribution of marine predators…”
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effects of global climate variability in pup production of Antarctic fur seals by Forcada, Jaume, Trathan, P. N., Reid, K., Murphy, E. J.

“…Climate variability has strong effects on marine ecosystems, with repercussions that range in scale from those that impact individuals to those that impact the…”
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Environmental forcing and Southern Ocean marine predator populations: effects of climate change and variability by Trathan, P.N, Forcada, J, Murphy, E.J

“…The Southern Ocean is a major component within the global ocean and climate system and potentially the location where the most rapid climate change is most…”
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Hemispheric asymmetry in ocean change and the productivity of ecosystem sentinels by Sydeman, W. J., Schoeman, D. S., Thompson, S. A., Hoover, B. A., García-Reyes, M., Daunt, F., Agnew, P., Anker-Nilssen, T., Barbraud, C., Barrett, R., Becker, P. H., Bell, E., Boersma, P. D., Bouwhuis, S., Cannell, B., Crawford, R. J. M., Dann, P., Delord, K., Elliott, G., Erikstad, K. E., Flint, E., Furness, R. W., Harris, M. P., Hatch, S., Hilwig, K., Hinke, J. T., Jahncke, J., Mills, J. A., Reiertsen, T. K., Renner, H., Sherley, R. B., Surman, C., Taylor, G., Thayer, J. A., Trathan, P. N., Velarde, E., Walker, K., Wanless, S., Warzybok, P., Watanuki, Y.

“…Sampling seabirds The vastness of the worlds' oceans makes them difficult to monitor. Seabirds that forage and breed across oceans globally have been…”
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Unravelling the relative roles of top-down and bottom-up forces driving population change in an oceanic predator by Horswill, C., Ratcliffe, N., Green, J. A., Phillips, R. A., Trathan, P. N., Matthiopoulos, J.

“…In the open ocean ecosystem, climate and anthropogenic changes have driven biological change at both ends of the food chain. Understanding how the population…”
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Applying science to pressing conservation needs for penguins by Boersma, P.D., Borboroglu, P. García, Gownaris, N.J., Bost, C.A., Chiaradia, A., Ellis, S., Schneider, T., Seddon, P.J., Simeone, A., Trathan, P.N., Waller, L.J., Wienecke, B.

“…More than half of the world's 18 penguin species are declining. We, the Steering Committee of the International Union for Conservation of Nature Species…”
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Using seabird and whale distribution models to estimate spatial consumption of krill to inform fishery management by Warwick‐Evans, V., Kelly, N., Dalla Rosa, L., Friedlaender, A., Hinke, J. T., Kim, J. H., Kokubun, N., Santora, J. A., Secchi, E. R., Seyboth, E., Trathan, P. N.

“…Ecosystem dynamics at the northwest Antarctic Peninsula are driven by interactions between physical and biological processes. For example, baleen whale…”
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A comparison of baleen whale density estimates derived from overlapping satellite imagery and a shipborne survey by Bamford, C. C. G., Kelly, N., Dalla Rosa, L., Cade, D. E., Fretwell, P. T., Trathan, P. N., Cubaynes, H. C., Mesquita, A. F. C., Gerrish, L., Friedlaender, A. S., Jackson, J. A.

“…As whales recover from commercial exploitation, they are increasing in abundance in habitats that they have been absent from for decades. However, studying the…”
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