Výsledky vyhledávání - "Crawford, Robert JM"

Akademický článek

The African Penguin Spheniscus demersus should be considered Critically Endangered.

Autor: Sherley, Richard B, Makhado, Azwianewi B, Crawford, Robert JM, Hagen, Christina, Kemper, Jessica, Ludynia, Katrin, Masotla, Makhudu J, McInnes, Alistair, Pichegru, Lorien, Tom, Desmond, Upfold, Leshia, Waller, Lauren J

Publikováno v: Ostrich: The Journal of African Ornithology; Oct2024, Vol. 95 Issue 3, p181-187, 7p

Zobrazit plný text záznamu

Timing, duration and symmetry of moult in Cape Gannets

Autor: Adekola, Oluwadunsin E, Crawford, Robert JM, Dyer, Bruce M, Makhado, Azwianewi B, Upfold, Leshia, Ryan, Peter G

Little has been reported on moult in sulids, including gannets. The Cape Gannet Morus capensis is an endangered seabird endemic to southern Africa. We describe the timing, duration, symmetry and sequence of flight feather moult in Cape Gannets from t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07228d9eb39146ac5ef1a96ec79d44a9

Zobrazit plný text záznamu

Akademický článek

The status and conservation of the Cape Gannet Morus capensis.

Autor: Sherley, Richard B, Crawford, Robert JM, Dyer, Bruce M, Kemper, Jessica, Makhado, Azwianewi B, Masotla, Makhudu, Pichegru, Lorien, Pistorius, Pierre A, Roux, Jean-Paul, Ryan, Peter G, Tom, Desmond, Upfold, Leshia, Winker, Henning

Publikováno v: Ostrich: The Journal of African Ornithology; Dec2019, Vol. 90 Issue 4, p335-346, 12p

Zobrazit plný text záznamu

Defining ecologically-relevant scales for spatial protection using long-term data on an endangered seabird and local prey availability

Autor: Sherley, Richard B, Botha, Philna, Underhill, Les G, Ryan, Peter G, van Zyl, Danie, Cockcroft, Andrew C, Crawford, Robert JM, Dyer, Bruce M, Cook, Timothée R

Human activities are important drivers of marine ecosystem functioning. However, teasing apart the synergistic effects of fishing and environmental variability on the prey base of non-target predators is difficult, often because estimates of prey ava

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b308a3adb0d8a91d9172ec3cf10e2177
https://doi.org/10.7287/peerj.preprints.2122v1

Zobrazit plný text záznamu