Modelling the extinction risk of isolated populations of natterjack toad Bufo calamita

Web Ecology

Volumn 2, Issue , 2001, Pages 47-56

  Stephan, Thomas ^a   Ulbrich, Karin ^a   Grosse, Wolf Rüdiger ^a   Meyer, Frank ^a  

^a HELMHOLTZ CENTRE FOR ENVIRONMENTAL RESEARCH UFZ   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ENDANGERED SPECIES; EXTINCTION RISK; ISOLATED POPULATION; POPULATION MODELING; REPRODUCTION; TOAD; POPULATION DYNAMICS;

GERMANY; HALLE; LIST; SAXONY-ANHALT; SCHLESWIG-HOLSTEIN;

ANURA; BUFO CALAMITA; BUFO;

EID: 0035791484     PISSN: 13991183     EISSN: None     Source Type: Journal    
DOI: 10.5194/we-2-47-2001     Document Type: Article

References (19)

1. Barinaga, M. 1990. Where have all the froggies gone? - Science 247: 1033-1034.
2. Banks, B., Beebee, T. J. C. and Denton, J. S. 1993. Long-term management of a natterjack toad (Bufo calamita) population in southern Britain. - Amphilb.-Reptilia 14: 155-168.
3. Blaustein, A. R. and Wake, D. B. 1990. Declining amphibian population: a global phenomenon? - Trends Ecol. Evol. 5: 203-204.
4. Beebee, T. J. C., Denton, J. S. and Buckley, J. 1993. Factors affecting population densities of adult natterjack toads Bufo calamita in Britain. - J. Appl. Ecol. 33:263-268.
5. Denton, J. S. and Beebee, T. J. C. 1993. Reproductive strategies in a female-biased population of natterjack toads Bufo calamita. - Anim. Behave. 46: 1169-1175.
6. Grosse, W. R., Meyer, F. and M⊣rtens, B. 1996. Luche - Amphibia. - In: Wallaschek, M. et al. (eds), Beiträge zur Esfassung der Biodiverstät im Unteren Saaletal. Phytozönosen, Pflanzenrten und Tierarten von Landschaftselementen der Halleschen Kuppenlandschaft. Arbeiten Naturpark "Unteres Saaltal" 3: 52-53.
7. Günther, R. and Meyer, F. 1996. Kreuzkröte. (Bufo calamita LAURENTI, 1768), - In: Günther, R. (ed.), Die Amphibien und Reptilien Deutschlands. Gustav Fischer, pp. 302-321.
8. Halley, J.M., Oldham, R.S. and Arntzen, J.W.1996. Predicting the persistence of amphibian populations with the help of a spatial model. - J. Appl. Ecol. 33: 455-470.
9. Märtens, B. et al. 1996. Survival of the sand lizard Lacerta agilis LINNEAUS, 1978 (Sauria, Lacertidae) in relation to habitat quality and heterogeneity. - In: Settle, J. et al.(eds), Species survival in fragmented landscapes. Kluwer, pp. 241-247.
10. Meyer, F. 1993. Die Herpetofauna des NSG Brandberge in Halle (Saale): Bestand, Gefährdung und Schutz. - Naturschutz im Land Sachsen-Anhalt 30: 17-20.
11. Meyer, F. and Grosse, W.R. 1997. Sukzession oder Habitatmanagement? Aspekte des Artenschutzes bei der Rekultivierung ostdeutscher Braunkohlentagebaue-dargestelltam Beispiel der Amphibien. - Natur und Landschaft 72: 227-234.
12. Meyer, F., Henle, K. and Grosse, W.R. 1997. Population ecology and conservation aspects of the pioneering natterjack toad (Bufo calamita LAURENTI, 1768) in secondary habitats. - Proc. World Congr. Herpetol. Prague 1997, pp. 141.
13. Sherman, C. K. and Morton, M. L. 1993. Population declines of Yosemite toads in the eastern Sierra Nevada of California. . Herpetol. 27: 186-198.
14. Silverin, B. and Andrén, C. 1992. The ovarian cycle in the natterjack toad Bufo calamita, and its relation to breeding behaviour. - Amphib. - Reptilia 13: 177-192.
15. Sinsch, U. 1992. Structure and dynamic of a natterjack toad metapopulation (Bufo calamita). - Oecologia 90: 489-499.
16. Sinsch, U. 1997. Postmetamorphic dispersal and recruitment of first breeders in a Bufo calamita metapopulation. - Oecologia 112: 42-47.
17. Stephan, T. and Wissel, C. 1994. Stochastic extinction models discrete in time. - Ecol. Model. 75/76: 183-192.
18. Wiegand, T. et al. Assessing the risk of extinction for brown bear (Ursus arctos) in the Cordillera Cantabrica, Spain. - Ecol. Monogr. 68: 539-570.
19. Wissel, C., Stephan, T. and Zaschke, S.-H. 1994. Modelling extinction and survival of small populations. - In: Remmert, H. (ed.), Minimum animal populations. Ecol. Stud. 106, Springer, pp. 67-103.