Publications for Dr Steffen Oppel

Recent observations suggest bulwer’s petrel Bulweria bulwerii might breed on St Helena

Bulwer’s Petrels (Bulweria bulwerii) have been observed at sea in the South Atlantic Ocean, but they have not been confirmed to breed in the area...

Date
01 May 2012
RSPB Authors
Dr Steffen Oppel, Dr Fiona Burns
Authors
Oppel, S., Burns, F., Ellick, G., George, K., Beard, A., Henry, L., Clingham, E., Hillman, J.C., Hollins, J.D. & Thorsen, M.J.
Published in
Marine Ornithology
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International International species

Studying the effects of multiple invasive mammals on Cory's shearwater nest survival

The most common invasive mammals-mice, rats, and cats-have been introduced to islands around the world, where they continue to negatively affect native biodiversity. The eradication of those invasive ...

Date
01 January 2013
RSPB Authors
Dr Steffen Oppel
Authors
Hervias, S., Henriques, A., Oliveira, N., Pipa, T., Cowen, H., Ramos, J.A., Nogales, M., Geraldes, P., Silva, C., Ruiz de Ybáñez & Oppel, S.
Published in
Biological Invasions
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International International species

Divergent foraging strategies during incubation of an unusually wide-ranging seabird, the Murphy’s petrel

Divergent foraging strategies may emerge within a population due to a combination of physiological and environmental factors; yet to persist, neither strategy should offer a consistent selective advantage over the alternative in the long term. Murphy’s petrels...

Date
03 December 2018
RSPB Authors
Dr Steffen Oppel
Authors
Clay, T.A., Oppel, S., Lavers, J.L., Phillips, R.A. & Brooke, M.d.L.
Published in
Marine Biology 166 (1)
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International species Marine

Density of three skink species on a sub-tropical Pacific Island estimated with hierarchical distance sampling

 

Henderson Island, an island in the United Kingdom Overseas Territory of the Pitcairn Islands, is an uninhabited oceanic raised coral atoll with four endemic land birds, nine endemic flowering plants, and at least 18 endemic invertebrate species (Graves 1992; Benton 1995; Benton and Lehtinen 1995; Florence et al. 1995). Despite a wealth of knowledge about most native biodiversity, very little is known about the reptile species that are present on the island. Because previous reptile surveys on Henderson Island...

Date
02 December 2019
RSPB Authors
Dr Steffen Oppel
Authors
Havery, S., Oppel, S., Cole, N. & Duffield, N.
Published in
Herpetological Conservation and Biology 13 (3): 507-516
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International species

Use of Machine Learning (ML) for Predicting and Analyzing Ecological and 'Presence Only' Data: An Overview of Applications and a Good Outlook

Machine learning (ML) has been established and used in science-based applications since the 1970s. The advent and maturation of mathematical algorithms and concepts like Neural Networks, Entropy, Classification and Regression Trees (CARTs), as well as the enhancement of computational power on personal computers worldwide have allowed for the development of many new applications

Date
01 November 2018
RSPB Authors
Dr Steffen Oppel
Authors
Huettmann, F., Craig, E.H., Herrick, K.A., Baltensperger, A.P., Humphries, G.R.W., Lieske, D.J., Miller, K., Mullett, T.C., Oppel, S., Resendiz, C., Rutzen, I., Schmid, M.S., Suwal, M.K. & Young, B.D.
Published in
Machine Learning for Ecology and Sustainable Natural Resources Management
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New methods and technologies

Spatial scales of marine conservation management for breeding seabirds

Knowing the spatial scales at which effective management can be implemented is fundamental for conservation planning. This is especially important for mobile species, which can be exposed to threats across large areas, but the space use requirements...

Date
03 December 2018
RSPB Authors
Dr Steffen Oppel, Dr Mark Bolton, Dr Ellie Owen
Authors
Oppel, S., Bolton, M., Carneiro, A.P.B., Dias, M.P., Green, J.A., Masello, J.F., Phillips, R.A., Owen, E., Quillfeldt, P., Beard, A., Bertrand, S., Blackburn, J., Boersma, P.D., Borges, A., Broderick, A.C., Catry, P., Cleasby, I., Clingham, E., Creuwels, J., Crofts, S., Cuthbert, R.J., Dallmeijer, H., Davies, D., Davies, R., Dilley, B.J., Dinis, H.A., Dossa, J., Dunn, M.J., Efe, M.A., Fayet, A.L., Figueiredo, L., Frederico, A.P., Gjerdrum, C., Godley, B.J., Granadeiro, J.P., Guilford, T., Hamer, K.C., Hazin, C., Hedd, A., Henry, L., Hernandez-Montero, M., Hinke, J., Kokubun, N., Leat, E., Tranquilla, L.M., Metzger, B., Militao, T., Montrond, G., Mullie, W., Padget, O., Pearmain, E.J., Pollet, I.L., Putz, K., Quintana, F., Ratcliffe, N., Ronconi, R.A., Ryan, P.G., Saldanha, S., Shoji, A., Sim, J., Small, C., Soanes, L., Takahashi, A., Trathan, P., Trivelpiece, W., Veen, J., Wakefield, E., Weber, N., Weber, S., Zango, L., Daunt, F., Ito, M., Harris, M.P., Newell, M.A., Wanless, S., Gonzalez-Solis, J. & Croxall, J.
Published in
Marine Policy 98: 37-46
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Marine

Assessing population viability while accounting for demographic and environmental uncertainty

Predicting the future trend and viability of populations is an essential task in ecology. Because many populations respond to changing environments, uncertainty surrounding environmental responses must ...

Date
24 July 2014
RSPB Authors
Dr Steffen Oppel, Dr David Gibbons, Dr Juliet Vickery
Authors
Oppel, S., Hilton, G. M., Ratcliffe, N., Fenton, C., Daley, J., Gray, G., Vickery, J.A. & Gibbons, D.
Published in
Ecology
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International Montserrat oriole

Comparison of five modelling techniques to predict the spatial distribution and abundance of seabirds

Knowledge about the spatial distribution of seabirds at sea is important for conservation. During marine conservation planning, logistical constraints preclude seabird surveys covering the complete...

Date
30 December 2011
RSPB Authors
Dr Steffen Oppel
Authors
Oppel, S., Meirinho, A., Ramírez, I., Gardner, B., O'Connell, A.F., Miller, P.I. & Louzao, M.
Published in
Biological Conservation
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International Marine

Demography and breeding ecology of the critically endangered Montserrat oriole

The Montserrat Oriole (Icterus oberi) is a critically endangered species, confined to a small range in the hill forests of the volcanic island of Montserrat in the eastern Caribbean. From 1998 to 2005...

Date
01 February 2012
RSPB Authors
Dr Mark Hulme, Dr Steffen Oppel
Authors
Allcorn, R.I., Hilton, G.M., Fenton, C., Atkinson, P.W., Bowden, C.G.R., Gray, G.A.L., Hulme, M., Madden, J., Mackley, E.K. & Oppel, S.
Published in
The Condor
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International Montserrat oriole International species

Distribution, ecology and threat status of the aquatic warblers Acrocephalus paludicola wintering in West Africa

The Aquatic Warbler Acrocephalus paludicola (AW) is the only globally threatened passerine species of continental Europe. The global population decreased by > 90% during the 20th century. AWs breed in...

Date
04 March 2011
RSPB Authors
Dr Steffen Oppel
Authors
Flade, M., Diop, I., Haase, M., Le Nevé, A., Oppel, S., Tegetmeyer, C., Vogel, A. & Salewski, V.
Published in
Journal of Ornithology
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Aquatic warbler International International species