RE Simmons
机构: Research Associate University of Cape Town, and CEO Birds & Bats Unlimited
主页: uct.ac.za
每年引用次数
引用次数
引用: 3,563
H-指数: 35
I10-指数 : 78
出版物: 202
Blood concentrations of organochlorine compounds in an avian predator endemic to southern Africa: associations with habitat, electric transformers and diet
Marie-Sophie Garcia-Heras , Beatriz Arroyo , Robert E. Simmons , Pablo R. Camarero
Environmental Pollution
11
2017
Prediction of mean adult survival rates of southern African birds from demographic and ecological covariates
Yvonne C. Collingham , Brian Huntley , Res Altwegg , Phoebe Barnard
Ibis 156 ( 4) 741 -754
5
2014
Regional and temporal variation in diet and provisioning rates suggest weather limits prey availability for an endangered raptor
Marie-Sophie Garcia-Heras , François Mougeot , Robert E. Simmons , Beatriz Arroyo
Ibis 159 ( 3) 567 -579
9
2017
Pollutants and diet influence carotenoid levels and integument coloration in nestlings of an endangered raptor.
Marie-Sophie García-Heras , Beatriz Arroyo , Robert E. Simmons , Pablo R. Camarero
Science of The Total Environment 603 299 -307
9
2017
Supplemental Food Alters Egg Size Hierarchies within Harrier Clutches
Robert E. Simmons
Oikos 71 ( 2) 341
20
1994
A molecular phylogeny of the harriers (Circus, Accipitridae) indicate the role of long distance dispersal and migration in diversification.
Graeme Oatley , Robert E. Simmons , Jérôme Fuchs
Molecular Phylogenetics and Evolution 85 150 -160
22
2015
Declines in migrant shorebird populations from a winter-quarter perspective.
Robert E. Simmons , Holger Kolberg , Rod Braby , Birgit Erni
Conservation Biology 29 ( 3) 877 -887
18
2015
Anthropogenic activities influence the abandonment of Bearded Vulture (Gypaetus barbatus) territories in southern Africa
Sonja C. Krüger , Robert E. Simmons , Arjun Amar
The Condor 117 ( 1) 94 -107
22
2015
On Bird Functional Diversity: Species Richness and Functional Differentiation Show Contrasting Responses to Rainfall and Vegetation Structure in an Arid Landscape
Colleen L. Seymour , Robert E. Simmons , Grant S. Joseph , Jasper A. Slingsby
Ecosystems 18 ( 6) 971 -984
61
2015
Impacts of land use and climate change on the dynamics and biodiversity in the Thornbush Savanna Biome
I. Zimmermann , A. Petersen , Annette Eschenbach , S. Schütze
Hess Verlag 33 -74
2010
Namibian wetland bird counts for 1997
R. Simmons
Lanioturdus 30 ( 3) 27 -31
1997
Wading birds of the Sandwich Harbour wetlands, February, 1991: prelimary estimates and alternative counting methods
R. Simmons
Lanioturdus 26 ( 1) 4 -15
2
1991
Namibia's third national wetland bird survey, July 1992
R. Simmons
Lanioturdus 27 9 -12
1993
World record terns at Sandwich
R. Simmons
Lanioturdus 31 ( 1) 23 -26
1998
The Namibian nest record scheme: history, contributors and competitors
R. Simmons
Lanioturdus 27 66 -76
1993
The Namibian nest record scheme
R. Simmons
Lanioturdus 28 3 -11
1995
THE ROLE OF BEHAVIOURAL ECOLOGY IN SOUTHERN AFRICA
P. Barnard , R. E. Simmons , G. Cowlishaw , P. E. Stander
South African Journal of Science 93 489 -490
1997
Hierarchies among northern harrier (Circus cyaneus) harems and the costs of polygyny
R. E. Simmons , P. C. Smith , R. B. MacWhirter
Journal of Animal Ecology 55 ( 3) 755 -771
24
1986
Declines and Movements of Lesser Flamingos in Africa
R. E. Simmons
Waterbirds: The International Journal of Waterbird Biology 23 40
24
2000
Flamingo ‘rescue’ in Etosha National Park, 1994: technical, conservation and economic considerations
V. E. Fox , P. M. Lindeque , R. E. Simmons , H. H. Berry
Ostrich 68 72 -76
1997
Francois Mougeot beatriz arroyo Marie-Sophie Garcia-Heras Colleen Seymour Rafael Mateo D. Margaret Avery Ian G. Jamieson Graeme Oatley Justin O'Riain res altwegg Jerome Fuchs Guy Midgley Wilfried Thuiller Gregory O. Hughes Leslie Gordon Underhill Birgit Erni Eugene Marais Grant Joseph Jasper Slingsby Midgley JJ