نتایج جستجو برای: albatross

تعداد نتایج: 557  

Journal: :Journal of Social Welfare and Human Rights 2015

Journal: :Proceedings of the National Academy of Sciences 2008

Journal: :Proceedings of the Zoological Society of London 2009

1995

There are few observations of albatrosses capturing live prey at sea, prompting speculation as to the methods and timing of Furthermore, in the Black-browed Albatross Diomedea mela-nophrys most observations of feeding relate to fish or squid captured in the vicinity of fishing vessels whilst conducting bird observations on the RRS Bransfield at about 48°04'S, 57°21'W, en route from the Falkland...

2015
Melinda G Conners Elliott L Hazen Daniel P Costa Scott A Shaffer

BACKGROUND To meet the minimum energetic requirements needed to support parents and their provisioned offspring, the timing of breeding in birds typically coincides with periods of high food abundance. Seasonality and synchrony of the reproductive cycle is especially important for marine species that breed in high latitudes with seasonal booms in ocean productivity. Laysan and black-footed alba...

2017
Juan Pablo Seco Pon Ornela Beltrame Jorge Marcovecchio Marco Favero Patricia Gandini Pablo Seco Pon

HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau...

2007
Kosuke Yokota Hiroshi Minami Masashi Kiyota

Abstract The effects of tori-line streamer types on seabirds avoidance were examined with the data from Japanese observer program in southern bluefin tuna fishery. Nominal catch rates (catch/1000 hooks) and per-capita catch rates (catch/1000 hooks/albatross abundance) were compared between “WCPFC type” streamers and “Light type” (polypropylene band) streamers. There was no significant differenc...

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