Concepedia

J Visagie

JV

13

Publications

485

Citations

11

H-Index

2006

Active since

Affiliations

University of Cape Town(Current)

Nelson Mandela University

South African National Parks

City of Cape Town

South Atlantic Environmental Research Institute

J Visagie is an author at University of Cape Town specializing in evolutionary biology, engineering, and conservation biology.

Top concepts

Evolutionary BiologyEngineeringBiogeographyConservation BiologyBiologyMammalogyMarine BiologyMarine EcologyNatural SciencesGeography

Publications per year

2006–2020

13

Publications

13

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

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

The conservation status and population decline of the African penguin deconstructed in space and time

Richard B. Sherley, Robert J. M. Crawford, Andrew D. de Blocq et al. · Ecology and Evolution · 2020 · 50 citations · Full text

Recent distributional changes of seabirds in South Africa: is climate having an impact?

RJM Crawford, AJ Tree, PA Whittington et al. · African Journal of Marine Science · 2008 · 48 citations

Engineering, Oceanography, Social Sciences +16

Restoration of oiled African penguins<i>Spheniscus demersus</i>a decade after the<i>Apollo Sea</i>spill

AC Wolfaardt, Res Altwegg, J Visagie · African Journal of Marine Science · 2008 · 30 citations

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