RJM Crawford

Collapse of South Africa's penguins in the early 21st century

RJM Crawford, Res Altwegg, B. J. Barham et al. · African Journal of Marine Science · 2011 · 158 citations

Engineering, South African History, South-south Cooperation +12

Implications for seabirds off South Africa of a long-term change in the distribution of sardine

RJM Crawford, PS Sabarros, Tracey P. Fairweather et al. · African Journal of Marine Science · 2008 · 75 citations · Full text

Province Sardine, Breeding Behavior, Engineering +11

Regionally coherent trends in colonies of African penguins<i>Spheniscus demersus</i>in the Western Cape, South Africa, 1987–2005

RJM Crawford, AC Wolfaardt, PA Whittington et al. · African Journal of Marine Science · 2006 · 52 citations

Engineering, Biogeography, Fishery Science +12

Review of the rescue, rehabilitation and restoration of oiled seabirds in South Africa, especially African penguins<i>Spheniscus demersus</i>and Cape gannets<i>Morus capensis</i>, 1983–2005

AC Wolfaardt, RJM Crawford, PA Whittington · African Journal of Marine Science · 2009 · 51 citations

Nature Conservation, Avian Locomotion, Evolutionary Biology +9

Influences of the abundance and distribution of prey on African penguins<i>Spheniscus demersus</i>off western South Africa

RJM Crawford, Tracey P. Fairweather, AC Wolfaardt · African Journal of Marine Science · 2008 · 49 citations

Biology, Breeding Behavior, Anchovy Engraulis Encrasicolus +14