. (2021). Spatial segregation in a sexually dimorphic central place forager: Competitive exclusion or niche divergence? (Vol. 90). Bachelor's thesis, , .
Keywords: bio-logging central place foraging ecological niche theory intraspecific competition kernel density estimates resource selection functions sexual segregation wandering albatross
Programme: 109,394
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Natasha Roy, James Woollett, Najat Bhiry, Isabel Lemus-Lauzon, Ann Delwaide, Dominique Marguerie. (2021). Anthropogenic and climate impacts on subarctic forests in the Nain region, Nunatsiavut: Dendroecological and historical approaches (Vol. 28).
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Robert E. Anthony, Adam T. Ringler, Michael DuVernois, Kent R. Anderson, David C. Wilson. (2021). Six Decades of Seismology at South Pole, Antarctica: Current Limitations and Future Opportunities to Facilitate New Geophysical Observations (Vol. 92).
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Lucia Gualtieri, Etienne Bachmann, Frederik J Simons, Jeroen Tromp. (2021). Generation of secondary microseism Love waves: effects of bathymetry, 3-D structure and source seasonality (Vol. 226).
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Morten Frederiksen, Olivier Gilg, Glenn Yannic. (2021). Cross-icecap spring migration confirmed in a high-Arctic seabird, the Ivory Gull Pagophila eburnea (Vol. 163).
Keywords: ecological barrier Greenland icecap high-altitude migration
Programme: 1210
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Marina Renedo, Zoyne Pedrero, David Amouroux, Yves Cherel, Paco Bustamante. (2021). Mercury isotopes of key tissues document mercury metabolic processes in seabirds (Vol. 263).
Keywords: Demethylation Detoxification Metabolism Methylmercury Moult
Programme: 109
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. (2021). (Vol. 103).
Keywords: Antarctica Asteroidea benthos biometric measurements Echinodermata elemental contents invertebrates marine ecosystems sea stars Southern Ocean stable isotopes subantarctic Islands
Programme: 1044
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. (2021). Constraining 20th-Century Sea-Level Rise in the South Atlantic Ocean (Vol. 126).
Keywords: data rescue salt-marsh proxies sea-level changes South Atlantic tide gauges
Programme: 688
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Richard D. Ray, Bryant D. Loomis, Victor Zlotnicki. (2021). The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry (Vol. 95).
Keywords: Annual geocenter motion Annual land motion Annual/semiannual cycle Satellite altimetry
Programme: 688
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. (2021). Hemispheric asymmetry in ocean change and the productivity of ecosystem sentinels (Vol. 372).
Abstract: Sampling seabirds The vastness of the worlds' oceans makes them difficult to monitor. Seabirds that forage and breed across oceans globally have been recognized as sentinels of ocean health. Sydeman et al. looked across seabird species of both the Northern and Southern Hemispheres and found varying patterns. Northern Hemisphere species exhibited greater signs of stress and reduced breeding success, indicative of low fish resources. Southern Hemisphere species showed less impact on reproductive output, suggesting that the fish populations there have thus far been less disturbed. The differences across hemispheres indicate different strategies for conservation, with active recovery needed in the north and enhanced protection in the south. Science, abf1772, this issue p. 980 Climate change and other human activities are causing profound effects on marine ecosystem productivity. We show that the breeding success of seabirds is tracking hemispheric differences in ocean warming and human impacts, with the strongest effects on fish-eating, surface-foraging species in the north. Hemispheric asymmetry suggests the need for ocean management at hemispheric scales. For the north, tactical, climate-based recovery plans for forage fish resources are needed to recover seabird breeding productivity. In the south, lower-magnitude change in seabird productivity presents opportunities for strategic management approaches such as large marine protected areas to sustain food webs and maintain predator productivity. Global monitoring of seabird productivity enables the detection of ecosystem change in remote regions and contributes to our understanding of marine climate impacts on ecosystems. The breeding success of seabirds is tracking hemispheric differences in ocean warming and human impacts. The breeding success of seabirds is tracking hemispheric differences in ocean warming and human impacts.
Programme: 109
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