-
1
-
-
33947361217
-
Differences in breeding success between African penguins (Spheniscus demersus) that were and were not oiled in the MV Treasure oilspill in 2000
-
Barham P.J., Underhill L.G., Crawford R.J.M., Leshoro T.M. Differences in breeding success between African penguins (Spheniscus demersus) that were and were not oiled in the MV Treasure oilspill in 2000. Emu 2007, 107:7-13.
-
(2007)
Emu
, vol.107
, pp. 7-13
-
-
Barham, P.J.1
Underhill, L.G.2
Crawford, R.J.M.3
Leshoro, T.M.4
-
3
-
-
84894041208
-
Energy budget of African penguin Spheniscus demersus chicks
-
Avian Demography Unit, Cape Town, S.P. Kirkman (Ed.)
-
Bouwhuis S., Visser G.H., Underhill L.G. Energy budget of African penguin Spheniscus demersus chicks. Final Report of the BCLME (Benguela Current Large Marine Ecosystem) Project on Top Predators as Biological Indicators of Ecosystem Change in the BCLME 2007, 125-127. Avian Demography Unit, Cape Town. S.P. Kirkman (Ed.).
-
(2007)
Final Report of the BCLME (Benguela Current Large Marine Ecosystem) Project on Top Predators as Biological Indicators of Ecosystem Change in the BCLME
, pp. 125-127
-
-
Bouwhuis, S.1
Visser, G.H.2
Underhill, L.G.3
-
4
-
-
9344223325
-
An ecosystem approach to fisheries in the Southern Benguela context
-
Cochrane K.L., Augustyn C.J., Cockcroft A.C., David J.H.M., Griffiths M.H., Groeneveld J.C., et al. An ecosystem approach to fisheries in the Southern Benguela context. Afr. J. Mar. Sci. 2004, 26:9-35.
-
(2004)
Afr. J. Mar. Sci.
, vol.26
, pp. 9-35
-
-
Cochrane, K.L.1
Augustyn, C.J.2
Cockcroft, A.C.3
David, J.H.M.4
Griffiths, M.H.5
Groeneveld, J.C.6
-
5
-
-
55549113580
-
Refined estimates of South African pelagic fish biomass from hydro-acoustic surveys: quantifying the effects of target strength, signal attenuation and receiver saturation
-
Coetzee J.C., Merkle D., de Moor C.L., Twatwa N.M., Barange M., Butterworth D.S. Refined estimates of South African pelagic fish biomass from hydro-acoustic surveys: quantifying the effects of target strength, signal attenuation and receiver saturation. Afr. J. Mar. Sci. 2008, 30(2):205-217.
-
(2008)
Afr. J. Mar. Sci.
, vol.30
, Issue.2
, pp. 205-217
-
-
Coetzee, J.C.1
Merkle, D.2
de Moor, C.L.3
Twatwa, N.M.4
Barange, M.5
Butterworth, D.S.6
-
8
-
-
0029434791
-
Recolonisation of Robben Island by African penguins, 1983-1992
-
Surrey Beatty and Sons, Sydney, P. Dann, I. Norman, P.N. Reilly (Eds.)
-
Crawford R.J.M., Boonstra H.G.D., Dyer B.M., Upfold L. Recolonisation of Robben Island by African penguins, 1983-1992. The Penguins: Ecology and Management 1995, 333-363. Surrey Beatty and Sons, Sydney. P. Dann, I. Norman, P.N. Reilly (Eds.).
-
(1995)
The Penguins: Ecology and Management
, pp. 333-363
-
-
Crawford, R.J.M.1
Boonstra, H.G.D.2
Dyer, B.M.3
Upfold, L.4
-
9
-
-
0029414832
-
Trends of African penguin Spheniscus demersus populations in the 20th century
-
Crawford R.J.M., Williams A.J., Hofmeyr J.H., Klages N.T.W., Randall R.M., Cooper J., et al. Trends of African penguin Spheniscus demersus populations in the 20th century. S. Afr. J. Mar. Sci. 1995, 16:101-118.
-
(1995)
S. Afr. J. Mar. Sci.
, vol.16
, pp. 101-118
-
-
Crawford, R.J.M.1
Williams, A.J.2
Hofmeyr, J.H.3
Klages, N.T.W.4
Randall, R.M.5
Cooper, J.6
-
10
-
-
0033305619
-
Population dynamics of the African penguin Spheniscus demersus at Robben Island, South Africa
-
Crawford R.J.M., Shannon L.J., Whittington P.A. Population dynamics of the African penguin Spheniscus demersus at Robben Island, South Africa. Mar. Ornithol. 1999, 27:139-147.
-
(1999)
Mar. Ornithol.
, vol.27
, pp. 139-147
-
-
Crawford, R.J.M.1
Shannon, L.J.2
Whittington, P.A.3
-
11
-
-
0035735977
-
African penguins as predators and prey: coping (or not) with change
-
Crawford R.J.M., David J.H.M., Shannon L.J., Kemper J., Klages N.T.W., Roux J.-P., et al. African penguins as predators and prey: coping (or not) with change. S. Afr. J. Mar. Sci. 2001, 23(1):435-447.
-
(2001)
S. Afr. J. Mar. Sci.
, vol.23
, Issue.1
, pp. 435-447
-
-
Crawford, R.J.M.1
David, J.H.M.2
Shannon, L.J.3
Kemper, J.4
Klages, N.T.W.5
Roux, J.-P.6
-
12
-
-
0001631266
-
Breeding nomadism in southern African seabirds - constraints, causes and conservation
-
Crawford R.J.M., Dyer B.M., Brooke R.K. Breeding nomadism in southern African seabirds - constraints, causes and conservation. Ostrich 1994, 65:231-246.
-
(1994)
Ostrich
, vol.65
, pp. 231-246
-
-
Crawford, R.J.M.1
Dyer, B.M.2
Brooke, R.K.3
-
13
-
-
34447549795
-
Molt of the African penguin, Spheniscus demersus, in relation to its breeding season and food availability
-
Crawford R.J.M., Hemming M., Kemper J., Klages N.T.W., Randall R.M., Undergill L.G., et al. Molt of the African penguin, Spheniscus demersus, in relation to its breeding season and food availability. Acta Zool. Sin. 2006, 52(Suppl.):444-447.
-
(2006)
Acta Zool. Sin.
, vol.52
, Issue.SUPPL.
, pp. 444-447
-
-
Crawford, R.J.M.1
Hemming, M.2
Kemper, J.3
Klages, N.T.W.4
Randall, R.M.5
Undergill, L.G.6
-
14
-
-
34447501831
-
An altered carrying capacity of the Benguela upwelling ecosystem for African penguins (Spheniscus demersus)
-
Crawford R.J.M., Underhill L.G., Upfold L., Dyer B.M. An altered carrying capacity of the Benguela upwelling ecosystem for African penguins (Spheniscus demersus). ICES J. Mar. Sci. 2007, 64:570-576.
-
(2007)
ICES J. Mar. Sci.
, vol.64
, pp. 570-576
-
-
Crawford, R.J.M.1
Underhill, L.G.2
Upfold, L.3
Dyer, B.M.4
-
15
-
-
47549085343
-
Influences of the abundance and distribution of prey on African penguins Spheniscus demersus off western South Africa
-
Crawford R.J.M., Underhill L.G., Coetzee J.C., Fairweather T., Shannon L.J., Wolfaardt A.C. Influences of the abundance and distribution of prey on African penguins Spheniscus demersus off western South Africa. Afr. J. Mar. Sci. 2008, 30(1):167-175.
-
(2008)
Afr. J. Mar. Sci.
, vol.30
, Issue.1
, pp. 167-175
-
-
Crawford, R.J.M.1
Underhill, L.G.2
Coetzee, J.C.3
Fairweather, T.4
Shannon, L.J.5
Wolfaardt, A.C.6
-
16
-
-
79958847983
-
Collapse of South Africa's penguins in the early 21st Century
-
Crawford R.J.M., Altwegg R., Barham B.J., Barham P.J., Durant J.M., Dyer B.M., et al. Collapse of South Africa's penguins in the early 21st Century. Afr. J. Mar. Sci. 2011, 33(1):139-156.
-
(2011)
Afr. J. Mar. Sci.
, vol.33
, Issue.1
, pp. 139-156
-
-
Crawford, R.J.M.1
Altwegg, R.2
Barham, B.J.3
Barham, P.J.4
Durant, J.M.5
Dyer, B.M.6
-
17
-
-
0037286889
-
Using stage-based system dynamics modeling for demographic management of captive populations
-
Faust L.J., Thompson S.D., Earnhardt J.M., Brown E., Ryan S., Sherman M., Yurenka M. Using stage-based system dynamics modeling for demographic management of captive populations. Zoo Biol. 2003, 22:45-64.
-
(2003)
Zoo Biol.
, vol.22
, pp. 45-64
-
-
Faust, L.J.1
Thompson, S.D.2
Earnhardt, J.M.3
Brown, E.4
Ryan, S.5
Sherman, M.6
Yurenka, M.7
-
18
-
-
3142739929
-
-
FAO Fisheries Technical Paper
-
Garcia S.M., Zerbi A., Aliaume C., Do Chi T., Lasserre G. The ecosystem approach to fisheries. Issues, terminology, principles, institutional foundations, implementation and outlook 2003, 443. FAO Fisheries Technical Paper.
-
(2003)
The ecosystem approach to fisheries. Issues, terminology, principles, institutional foundations, implementation and outlook
, pp. 443
-
-
Garcia, S.M.1
Zerbi, A.2
Aliaume, C.3
Do Chi, T.4
Lasserre, G.5
-
20
-
-
84894043086
-
-
Unpublished Report. FISHERIES/2012/NOV/SWG-PEL/ICTT/9, Department of Agriculture, Forestry and Fisheries, Cape Town
-
Merkle D., Coetzee J., Mushanganyisi K., Rademan J. Small scale hydro-acoustic surveys 2012 2012, Unpublished Report. FISHERIES/2012/NOV/SWG-PEL/ICTT/9, Department of Agriculture, Forestry and Fisheries, Cape Town.
-
(2012)
Small scale hydro-acoustic surveys 2012
-
-
Merkle, D.1
Coetzee, J.2
Mushanganyisi, K.3
Rademan, J.4
-
21
-
-
23644441616
-
Oiled and injured African penguins Spheniscus demersus and other seabirds admitted for rehabilitation in the Western Cape, South Africa, 2001 and 2002
-
Parsons N.J., Underhill L.G. Oiled and injured African penguins Spheniscus demersus and other seabirds admitted for rehabilitation in the Western Cape, South Africa, 2001 and 2002. Afr. J. Mar. Sci. 2005, 27:289-296.
-
(2005)
Afr. J. Mar. Sci.
, vol.27
, pp. 289-296
-
-
Parsons, N.J.1
Underhill, L.G.2
-
22
-
-
32444445770
-
Is food availability limiting African penguins Spheniscus demersus at Boulders? A comparison of foraging effort at mainland and island colonies
-
Petersen S.L., Ryan P.G., Grémillet D. Is food availability limiting African penguins Spheniscus demersus at Boulders? A comparison of foraging effort at mainland and island colonies. Int. J. Avian Sci. 2006, 148:14-26.
-
(2006)
Int. J. Avian Sci.
, vol.148
, pp. 14-26
-
-
Petersen, S.L.1
Ryan, P.G.2
Grémillet, D.3
-
23
-
-
0002163212
-
Jackass penguins
-
Vlaeberg, Cape Town, A.I.L. Payne, R.J.M. Crawford (Eds.)
-
Randall R.M. Jackass penguins. Oceans of Life off Southern Africa 1995, 244-256. Vlaeberg, Cape Town. 2nd ed. A.I.L. Payne, R.J.M. Crawford (Eds.).
-
(1995)
Oceans of Life off Southern Africa
, pp. 244-256
-
-
Randall, R.M.1
-
26
-
-
84894092181
-
-
Unpublished Report. FISHERIES/2012/NOV/SWG-PEL/62, Department of Agriculture, Forestry and Fisheries, Cape Town
-
Robinson W., Butterworth D. Projections of the Robben Island African penguin population 2012, Unpublished Report. FISHERIES/2012/NOV/SWG-PEL/62, Department of Agriculture, Forestry and Fisheries, Cape Town.
-
(2012)
Projections of the Robben Island African penguin population
-
-
Robinson, W.1
Butterworth, D.2
-
27
-
-
84862014345
-
African penguins Spheniscus demsersus, bait balls and the Allee effect
-
Ryan P.G., Edwards L., Pichegru L. African penguins Spheniscus demsersus, bait balls and the Allee effect. Ardea 2012, 100(1):89-94.
-
(2012)
Ardea
, vol.100
, Issue.1
, pp. 89-94
-
-
Ryan, P.G.1
Edwards, L.2
Pichegru, L.3
-
28
-
-
0033946940
-
Avian life history variation and contribution of demographic traits to the population growth rate
-
Sæther B., Bakke Ø. Avian life history variation and contribution of demographic traits to the population growth rate. Ecology 2000, 81(3):642-653.
-
(2000)
Ecology
, vol.81
, Issue.3
, pp. 642-653
-
-
Sæther, B.1
Bakke, Ø.2
-
29
-
-
77956914229
-
A linked model of animal ecology and human behavior for the management of wildlife tourism
-
Semeniuk C.A.D., Haider W., Cooper A., Rothley K.D. A linked model of animal ecology and human behavior for the management of wildlife tourism. Ecol. Model. 2010, 221:2699-2713.
-
(2010)
Ecol. Model.
, vol.221
, pp. 2699-2713
-
-
Semeniuk, C.A.D.1
Haider, W.2
Cooper, A.3
Rothley, K.D.4
-
30
-
-
0033305634
-
Management of the African penguin Spheniscus demersus: insights from modelling
-
Shannon L.J., Crawford R.J.M. Management of the African penguin Spheniscus demersus: insights from modelling. Mar. Ornithol. 1999, 27:119-128.
-
(1999)
Mar. Ornithol.
, vol.27
, pp. 119-128
-
-
Shannon, L.J.1
Crawford, R.J.M.2
-
31
-
-
84894094492
-
-
Department Environmental Affairs, Cape Town
-
Shaw K.A., Waller L.J., Crawford R.J.M., Oosthuizen W.H. Draft Biodiversity management plan for the African penguin Spheniscus demersus 2012, Department Environmental Affairs, Cape Town.
-
(2012)
Draft Biodiversity management plan for the African penguin Spheniscus demersus
-
-
Shaw, K.A.1
Waller, L.J.2
Crawford, R.J.M.3
Oosthuizen, W.H.4
-
32
-
-
84861490284
-
Artificial nests enhance the breeding productivity of African penguins (Spheniscus demersus) on Robben Island, South Africa
-
Sherley R.B., Barham B.J., Barham P.J., Leshoro T.M., Underhill L.G. Artificial nests enhance the breeding productivity of African penguins (Spheniscus demersus) on Robben Island, South Africa. Emu 2012, 112:97-106.
-
(2012)
Emu
, vol.112
, pp. 97-106
-
-
Sherley, R.B.1
Barham, B.J.2
Barham, P.J.3
Leshoro, T.M.4
Underhill, L.G.5
-
33
-
-
84890880413
-
Growth and decline of a penguin colony and the influence on nesting density and reproductive success
-
Sherley R.B., Barham P.J., Barham B.J., Crawford R.J.M., Dyer B.M., Leshoro T.M., et al. Growth and decline of a penguin colony and the influence on nesting density and reproductive success. Popul. Ecol. 2013, 56:119-128.
-
(2013)
Popul. Ecol.
, vol.56
, pp. 119-128
-
-
Sherley, R.B.1
Barham, P.J.2
Barham, B.J.3
Crawford, R.J.M.4
Dyer, B.M.5
Leshoro, T.M.6
-
34
-
-
84872737076
-
Roles for local and regional prey availability in influencing breeding performance of African penguins Spheniscus demersus
-
Sherley R.B., Underhill L.G., Barham B.J., Barham P.J., Coetzee J.C., Crawford R.J.M., et al. Roles for local and regional prey availability in influencing breeding performance of African penguins Spheniscus demersus. Mar. Ecol. Prog. Ser. 2013, 473:291-301.
-
(2013)
Mar. Ecol. Prog. Ser.
, vol.473
, pp. 291-301
-
-
Sherley, R.B.1
Underhill, L.G.2
Barham, B.J.3
Barham, P.J.4
Coetzee, J.C.5
Crawford, R.J.M.6
-
35
-
-
84890802545
-
The initial journey of an endangered penguin: implications for seabird conservation
-
Sherley R.B., Ludynia K., Lamont T., Roux J.-P., Crawford R.J.M., Underhill L.G. The initial journey of an endangered penguin: implications for seabird conservation. Endang. Species Res. 2013, 21:89-95.
-
(2013)
Endang. Species Res.
, vol.21
, pp. 89-95
-
-
Sherley, R.B.1
Ludynia, K.2
Lamont, T.3
Roux, J.-P.4
Crawford, R.J.M.5
Underhill, L.G.6
-
36
-
-
79958816183
-
Interdisciplinary modelling for an ecosystem approach to management in marine social-ecological systems
-
Wiley-Blackwell, Oxford, (Chapter 6), R.E. Ommer, R.I. Perry, K. Cochrane, P. Cury (Eds.)
-
Starfield A.M., Jarre A. Interdisciplinary modelling for an ecosystem approach to management in marine social-ecological systems. World Fisheries: A Social-ecological Analysis. Fish and Aquatic Resources Book Series 2011, 105-119. Wiley-Blackwell, Oxford, (Chapter 6). R.E. Ommer, R.I. Perry, K. Cochrane, P. Cury (Eds.).
-
(2011)
World Fisheries: A Social-ecological Analysis. Fish and Aquatic Resources Book Series
, pp. 105-119
-
-
Starfield, A.M.1
Jarre, A.2
-
38
-
-
33846227947
-
Regionally coherent trends in colonies of African penguins Spheniscus demersus in the Western Cape, South Africa, 1987-2005
-
Underhill L.G., Crawford R.J.M., Wolfaardt A.C., Whittington P.A., Dyer B.M., Leshboro T.M., et al. Regionally coherent trends in colonies of African penguins Spheniscus demersus in the Western Cape, South Africa, 1987-2005. Afr. J. Mar. Sci. 2006, 28(3&4):697-704.
-
(2006)
Afr. J. Mar. Sci.
, vol.28
, Issue.3-4
, pp. 697-704
-
-
Underhill, L.G.1
Crawford, R.J.M.2
Wolfaardt, A.C.3
Whittington, P.A.4
Dyer, B.M.5
Leshboro, T.M.6
-
39
-
-
69149088260
-
Interactions between snakes and seabirds on Robben, Schaapen and Meeuw Islands, Western Cape province, South Africa
-
Underhill L.G., Sherley R.B., Dyer B.M., Crawford R.J.M. Interactions between snakes and seabirds on Robben, Schaapen and Meeuw Islands, Western Cape province, South Africa. Ostrich 2009, 80:115-118.
-
(2009)
Ostrich
, vol.80
, pp. 115-118
-
-
Underhill, L.G.1
Sherley, R.B.2
Dyer, B.M.3
Crawford, R.J.M.4
-
43
-
-
0008960008
-
-
Final Report, IUCN/SSC Conservation Breeding Specialist Group, Apple Valley, MN
-
Whittington P., Crawford R.J.M., Huyser O., Oschadleus D., Randall R., Ryan P. African Penguin Population and Habitat Viability Assessment 2000, Final Report, IUCN/SSC Conservation Breeding Specialist Group, Apple Valley, MN.
-
(2000)
African Penguin Population and Habitat Viability Assessment
-
-
Whittington, P.1
Crawford, R.J.M.2
Huyser, O.3
Oschadleus, D.4
Randall, R.5
Ryan, P.6
-
44
-
-
23644456163
-
Patterns of immigration to and emigration from breeding colonies by African penguins
-
Whittington P.A., Randall R.M., Crawford R.J.M., Wolfaardt A.C., Klages N.T.W., Randall B.M., et al. Patterns of immigration to and emigration from breeding colonies by African penguins. Afr. J. Mar. Sci. 2005, 27:205-213.
-
(2005)
Afr. J. Mar. Sci.
, vol.27
, pp. 205-213
-
-
Whittington, P.A.1
Randall, R.M.2
Crawford, R.J.M.3
Wolfaardt, A.C.4
Klages, N.T.W.5
Randall, B.M.6
-
45
-
-
0001948480
-
Aspects of the breeding biology of the jackass penguin Spheniscus demersus
-
Southern African Ornithological Society, Johannesburg, J. Ledger (Ed.)
-
Williams A.J., Cooper J. Aspects of the breeding biology of the jackass penguin Spheniscus demersus. Proceedings of the Fifth Pan-African Ornithological Congress, 1980, Lilongwe, Malawi, August 1980 1984, 841-853. Southern African Ornithological Society, Johannesburg. J. Ledger (Ed.).
-
(1984)
Proceedings of the Fifth Pan-African Ornithological Congress, 1980, Lilongwe, Malawi, August 1980
, pp. 841-853
-
-
Williams, A.J.1
Cooper, J.2
-
46
-
-
55549118936
-
Restoration of oiled African penguins Spheniscus demersus a decade after the Apollo Sea spill
-
Wolfaardt A.C., Underhill L.G., Altwegg R., Visagie J. Restoration of oiled African penguins Spheniscus demersus a decade after the Apollo Sea spill. Afr. J. Mar. Sci. 2008, 30:421-436.
-
(2008)
Afr. J. Mar. Sci.
, vol.30
, pp. 421-436
-
-
Wolfaardt, A.C.1
Underhill, L.G.2
Altwegg, R.3
Visagie, J.4
-
47
-
-
58149465602
-
Breeding success of African penguins Spheniscus demersus at Dassen Island, especially after oiling following the Apollo Sea spill
-
Wolfaardt A.C., Underhill L.G., Nel D.C., Williams A.J., Visagie J. Breeding success of African penguins Spheniscus demersus at Dassen Island, especially after oiling following the Apollo Sea spill. Afr. J. Mar. Sci. 2008, 30(3):565-580.
-
(2008)
Afr. J. Mar. Sci.
, vol.30
, Issue.3
, pp. 565-580
-
-
Wolfaardt, A.C.1
Underhill, L.G.2
Nel, D.C.3
Williams, A.J.4
Visagie, J.5
-
48
-
-
78049512744
-
Review of the rescue, rehabilitation and restoration of oiled seabirds in South Africa, especially African penguins Spheniscus demersus and Cape gannets Morus capensis, 1983-2005
-
Wolfaardt A.C., Williams A.J., Underhill A.J., Crawford R.J.M., Whittington P.A. Review of the rescue, rehabilitation and restoration of oiled seabirds in South Africa, especially African penguins Spheniscus demersus and Cape gannets Morus capensis, 1983-2005. Afr. J. Mar. Sci. 2009, 31(1):31-54.
-
(2009)
Afr. J. Mar. Sci.
, vol.31
, Issue.1
, pp. 31-54
-
-
Wolfaardt, A.C.1
Williams, A.J.2
Underhill, A.J.3
Crawford, R.J.M.4
Whittington, P.A.5
|