Výsledky vyhledávání - "Pistorius PA"

Long-term variation in the breeding diets of macaroni and eastern rockhopper penguins at Marion Island (1994–2018)

Autor: Dakwa, FE, Ryan, PG, Dyer, BM, Crawford, RJM, Pistorius, PA, Makhado, AB

Populations of the macaroni penguin Eudyptes chrysolophus and the eastern rockhopper penguin E. filholi breeding at Marion Island (Prince Edward Islands) in the sub-Antarctic Indian Ocean decreased from 1994 to 2018. We examined their diets when rear

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::856470fcec6649afbfed40179c844686

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Distribution and habitat use of Indo-Pacific bottlenose dolphins Tursiops aduncus along the south coast of South Africa

Autor: Vargas-Fonseca, OA, Kirkman, SP, Conry, D, Rishworth, GM, Cockcroft, V, Pistorius, PA

Publikováno v: African Journal of Marine Science; Vol 40, No 4 (2018); 439–450

The distribution and habitat use of the Indo-Pacific bottlenose dolphin Tursiops aduncus along the south coast of South Africa was investigated using bi-monthly boat-based surveys, from 2013 to 2016, over a distance of 145 km between the Goukamma and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=78975075580c::99bc56072dc284d652454fd1b5ef9b20
https://www.ajol.info/index.php/ajms/article/view/181532

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Akademický článek

Spatial and seasonal patterns in sighting rate and life-history composition of the white shark Carcharodon carcharias at Mossel Bay, South Africa.

Autor: Ryklief, R^1,2, Pistorius, PA¹, Johnson, R²

Publikováno v: African Journal of Marine Science. 2014, Vol. 36 Issue 4, p449-453. 5p.

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Akademický článek

Population dynamics of southern elephant seals: a synthesis of three decades of demographic research at Marion Island.

Autor: Pistorius, PA¹ pierre.pistorius@nmmu.ac.za, de Bruyn, PJN², Bester, MN²

Publikováno v: African Journal of Marine Science. 2011, Vol. 33 Issue 3, p523-534. 12p.

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Spatial and seasonal patterns in sighting rate and life-history composition of the white shark Carcharodon carcharias at Mossel Bay, South Africa

Autor: Ryklief, R, Pistorius, PA, Johnson, R

Publikováno v: African Journal of Marine Science; Vol 36, No 4 (2014)

White sharks Carcharodon carcharias aggregate at specific times of the year at localities along the South African coast. At Mossel Bay, on the southern Cape coast, four sites were sampled (Seal Island, Hartenbos, Kleinbrak and Grootbrak) to investiga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=78975075580c::b9ee5222030a953c211d11f528c781d5
https://www.ajol.info/index.php/ajms/article/view/115115

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Akademický článek

Distribution and habitat use of Indo-Pacific bottlenose dolphins Tursiops aduncus along the south coast of South Africa.

Autor: Vargas-Fonseca, OA, Kirkman, SP, Conry, D, Rishworth, GM, Cockcroft, V, Pistorius, PA

Publikováno v: African Journal of Marine Science; Dec2018, Vol. 40 Issue 4, p439-450, 12p

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Diet of the Cape fur seal Arctocephalus pusillus pusillus at the Robberg Peninsula, Plettenberg Bay, and implications for local fisheries

Autor: Huisamen, J, Kirkman, SP, van der Lingen, CD, Watson, LH, Cockcroft, VG, Jewell, R, Pistorius, PA

Publikováno v: African Journal of Marine Science; Vol 34, No 3 (2012)

Cape fur seals Arctocephalus pusillus pusillus were harvested to extirpation on the Robberg Peninsula, Plettenberg Bay, on the south-east coast of South Africa, between the 17th and early 20th centuries. Seals returned to Robberg in small numbers dur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=78975075580c::d74b214d71ca99a9266a9966d969344b
https://www.ajol.info/index.php/ajms/article/view/82627

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Natal site fidelity by breeding female southern elephant seals in relation to their history of participation in the winter haulout

Autor: Hofmeyr, GJG, Kirkman, SP, Pistorius, PA, Bester, MN

Publikováno v: African Journal of Marine Science; Vol 34, No 3 (2012)

Of the four types of terrestrial haulout periods undertaken by southern elephant seals Mirounga leonina, only the purpose of the winter haulout is unknown. Returning to a haulout site from distant pelagic foraging grounds bears significant costs in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=78975075580c::91e49fd704b0e0739326545de854e855
https://www.ajol.info/index.php/ajms/article/view/82611

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Recolonisation of the Robberg Peninsula (Plettenberg Bay, South Africa) by Cape fur seals

Autor: Huisamen, J, Kirkman, SP, Watson, LH, Cockcroft, VG, Pistorius, PA

Publikováno v: African Journal of Marine Science; Vol 33, No 3 (2011)

The Cape fur seal Arctocephalus pusillus pusillus colony at Robberg Peninsula, Plettenberg Bay, on the south-east coast of South Africa, was driven to extinction by indiscriminate harvesting by the late 1800s. Seals only began to recolonise this site

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=78975075580c::eed372691911d7564689a7b936e9b091
https://www.ajol.info/index.php/ajms/article/view/73221

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Akademický článek

Trophic investigations of Cape fur seals at the easternmost extreme of their distribution.

Autor: Connan, M, Hofmeyr, GJG, Smale, MJ, Pistorius, PA

Publikováno v: African Journal of Marine Science; 2014, Vol. 36 Issue 3, p331-344, 14p

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