Viability of an endangered population of ortolan buntings: The effect of a skewed operational sex ratio

Biological Conservation

Volumn 132, Issue 1, 2006, Pages 88-97

  Steifetten, Øyvind ^a   Dale, Svein ^a  

^a NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

Author keywords

Demography; Operational sex ratio; Ortolan bunting; Population viability; Unpaired males

Indexed keywords

ADULT; BIRD; CORRELATION; DEMOGRAPHY; ENDANGERED SPECIES; GROWTH RATE; JUVENILE; POPULATION CHARACTERISTICS; POPULATION VIABILITY ANALYSIS; REPRODUCTIVE SUCCESS; SEX RATIO; SURVIVAL;

EURASIA; EUROPE; NORTHERN EUROPE; NORWAY; SCANDINAVIA;

AVES; EMBERIZA; EMBERIZA HORTULANA;

EID: 33746993616     PISSN: 00063207     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.biocon.2006.03.016     Document Type: Article

References (66)

1. Anders A.D., Dearborn D.C., Faaborg J., and Thompson III F.R. Juvenile survival in a population of neotropical migrant birds. Conservation Biology 11 (1997) 698-707
2. Basore N.S., Best L.B., and Wooley J.B. Bird nesting in Iowa no-tillage and tilled cropland. Journal of Wildlife Management 50 (1986) 19-28
3. Bayne E.M., and Hobson K.A. Effects of habitat fragmentation on pairing success of ovenbirds: importance of male age and floater behaviour. AUK 118 (2001) 380-388
4. BirdLife International. Threatened Birds of the World (2000), Lynx Edicions and BirdLife International, Barcelona and Cambridge
5. BirdLife International. Birds in Europe: Population Estimates, Trends and Conservation Status (2004), BirdLife International, Cambridge
6. Botkin D.B., and Miller R.S. Mortality rates and survival of birds. American Naturalist 108 (1974) 181-192
7. Bradbury R.B., and Blakey J.K. Diet, maternal condition, and offspring sex ratio in the zebra finch, Poephila guttata. Proceedings of the Royal Society of London B 265 (1998) 895-899
8. Bradbury R.B., Kyrkos A., Morris A.J., Clark S.C., Perkins A.J., and Wilson J.D. Habitat associations and breeding success of yellowhammers on lowland farmland. Journal of Applied Ecology 37 (2000) 789-805
9. Brawn J.D., and Robinson S.K. Source-sink population dynamics may complicate the interpretation of long-term census data. Ecology 77 (1996) 3-12
10. Bro E., Sarrazin F., Clobert J., and Reitz F. Demography and the decline of the grey partridge Perdix perdix in France. Journal of Applied Ecology 37 (2000) 432-448
11. Brook, B.W., Burgman, M.A., Frankham, R., 2000. Differences and congruencies between PVA packages: the importance of sex ratio for predictions of extinction risk. Conservation Ecology [online] http://www.consecol.org/vol4/iss1/art6/.
12. Chamberlain D.E., and Fuller R.J. Local extinctions and changes in species richness of lowland farmland birds in England and Wales in relation to recent changes in agricultural land-use. Agriculture, Ecosystems and Environment 78 (2000) 1-17
13. Cooper C.B., and Walters J.R. Experimental evidence of disrupted dispersal causing decline of an Australian passerine in fragmented habitat. Conservation Biology 16 (2002) 471-478
14. Cramp S., and Perrins C.M. The birds of the Western Palearctic. Buntings and New World Warblers vol. IX (1994), Oxford University Press, Oxford
15. Cumming E.E., Hobson K.A., and Van Wilgenburg S.L. Breeding bird declines in the boreal forest fringe of western Canada: Insights from long-term BBS routes. Canadian Field-Naturalist 115 (2001) 425-435
16. Dale S. The importance of farmland for Ortolan Buntings nesting on raised peat bogs. Ornis Fennica 77 (2000) 17-25
17. Dale S. Female-biased dispersal, low female recruitment, unpaired males, and the extinction of small and isolated bird populations. Oikos 92 (2001) 344-356
18. Dale S. Causes of population decline of the Ortolan Bunting in Norway. In: Tryjanowski P., Osiejuk T.S., and Kupczyk M. (Eds). Bunting Studies in Europe (2001), Bogucki Wydawnictwo Naukowe, Poznan 33-41
19. Dale S., and Olsen B.F.G. Use of farmland by Ortolan Buntings (Emberiza hortulana) nesting on a burned forest area. Journal für Ornithologie 143 (2002) 133-144
20. Dale S., Lunde A., and Steifetten Ø. Longer breeding dispersal than natal dispersal in the ortolan bunting. Behavioural Ecology 16 (2005) 20-24
21. DiQuinzio D.A., Paton P.W.C., and Eddleman W.R. Site fidelity, philopatry, and survival of promiscuous Saltmarsh Sharp-Tailed Sparrows in Rhode Island. AUK 118 (2001) 888-899
22. Dobson A.P. A comparison of seasonal and annual mortality for both sexes of fifteen species of common British birds. Ornis Scandinavica 18 (1987) 122-128
23. Dobson A.P. Survival rates and their relationship to life-history traits in some common British birds. Current Ornithology 7 (1990) 115-146
24. Ellegren H., Gustafsson L., and Sheldon B.C. Sex ratio adjustment in relation to paternal attractiveness in a wild bird population. Proceedings of the National Academy of Sciences of the USA 93 (1996) 11723-11728
25. Fraser G.S., and Stutchbury B.J.M. Area-sensitive forest birds move extensively among forest patches. Biological Conservation 118 (2004) 377-387
26. Freeman S.N., and Crick H.Q.P. The decline of the Spotted Flycatcher Muscicapa striata in the UK: an integrated population model. IBIS 145 (2003) 400-412
27. Fuller R.J., Gregory R.D., Gibbons D.W., Marchant J.H., Wilson J.D., Baillie S.R., and Carter N. Population declines and range contractions among lowland farmland birds in Britain. Conservation Biology 9 (1995) 1425-1441
28. Haftorn S. Norges Fugler (1971), Universitetsforlaget, Oslo
29. Herkert J.R., Reinking D.L., Wiedenfeld D.A., Winter M., Zimmerman J.L., Jensen W.E., Finck E.J., Koford R.R., Wolfe D.H., Sherrod S.K., Jenkins M.A., Faaborg J., and Robinson S.K. Effects of prairie fragmentation on the nest success of breeding birds in the midcontinental United States. Conservation Biology 17 (2003) 587-594
30. Holmes D.J., and Austad S.N. The evolution of avian senescence patterns: implications for understanding primary aging processes. American Zoologist 35 (1995) 307-317
31. Holsinger K.E. Demography and extinction in small populations. In: Young A.G., and Clarke G.M. (Eds). Genetics, Demography and Viability of Fragmented Populations (2000), Cambridge University Press, Cambridge 55-74
32. Johnston J.P., Peach W.J., Gregory R.D., and White S.A. Survival rates of tropical and temperate passerines: a Trinidadian perspective. American Naturalist 150 (1997) 771-789
33. King D.I., Griffin C.R., and Degraaf R.M. Effects of clearcutting on habitat use and reproductive success of the Ovenbird in forested landscapes. Conservation Biology 10 (1996) 1380-1386
34. Komdeur J., Daan S., Tinbergen J., and Mateman C. Extreme adaptive modification in sex ratio of the Seychelles warbler's eggs. Nature 385 (1997) 522-525
35. Krebs J.R., and Davies N.B. An Introduction to Behavioural Ecology. third ed. (1996), Blackwell Science Ltd., Oxford
36. Kutzenberger H. Ortolan Bunting. In: Tucker G.M., and Heath M.F. (Eds). Birds in Europe: their Conservation Status. BirdLife Conservation Series No. 3 (1994), BirdLife International, Cambridge 432-433
37. Laaksonen T., Korpimäki E., and Hakkarainen H. Interactive effects of parental age and environmental variation on the breeding performance of Tengmalm's owls. Journal of Animal Ecology 71 (2002)
38. Lacy R.C., Borbat M., and Pollak J.P. VORTEX: A Stochastic Simulation of the Extinction Process. Version 9 (2003), Chicago Zoological Society, Brookfield, IL
39. Lang M., Bandorf H., Dornberger W., Klein H., and Mattern U. Breeding distribution, population development and ecology of the Ortolan (Emberiza hortulana) in Franconia. Ökologie der Vögel 12 (1990) 97-126
40. Miller P.S., and Lacy R.C. VORTEX: A Stochastic Simulation of the Extinction Process. Version 9 User's Manual (2003), Conservation Breeding Specialist Group (SSC/IUCN), Apple Valley, MN
41. Nager R.G., Monaghan P., Griffiths R., Houston D.C., and Dawson R. Experimental demonstration that offspring sex ratio varies with maternal condition. Proceedings of the National Academy of Sciences of the USA 96 (1999) 570-573
42. Newton I. The recent declines of farmland bird populations in Britain: an appraisal of causal factors and conservation actions. IBIS 146 (2004) 579-600
43. Paradis E., Baillie S.R., Sutherland W.J., and Gregory R.D. Patterns of natal and breeding dispersal in birds. Journal of Animal Ecology 67 (1998) 518-536
44. Peach W.J., Siriwardena G.M., and Gregory R.D. Long-term changes in over-winter survival rates explain the decline of reed buntings Emberiza schoeniclus in Britain. Journal of Applied Ecology 36 (1999) 798-811
45. Peach W.J., Hanmer D.B., and Oatley T.B. Do southern African songbirds live longer than their European counterparts?. OIKOS 93 (2001) 235-249
46. Pietz P.J., and Granfors D.A. Identifying predators and fates of grassland passerine nests using miniature video cameras. Journal of Wildlife Management 64 (2000) 71-87
47. Porneluzi P.A., and Faaborg J. Season-long fecundity, survival, and viability of Ovenbirds in fragmented and unfragmented landscapes. Conservation Biology 13 (1999) 1151-1161
48. Ree V. Buskspurver. In: Hogstad O. (Ed). Norges dyr - Fuglene No. 4. (1992), J.W. Cappelen Forlag, Oslo 225-250
49. Ricklefs R.E. An analysis of nestling mortality in birds. Smithsonian Contributions to Zoology 9 (1969) 1-48
50. Robertson R.J., and Rendell W.B. A long-term study of reproductive performance in tree swallows: the influence of age and senescence on output. Journal of Animal Ecology 70 (2001) 1014-1031
51. Robinson S.K., and Wilcove D.S. Forest fragmentation in the temperate zone and its effects on migratory songbirds. Bird Conservation International 4 (1994) 233-249
52. Robinson R.A., Green R.E., Baillie S.R., Peach W.J., and Thomson D.L. Demographic mechanisms of the population decline of the song trush Turdus philomelos in Britain. Journal of Animal Ecology 70 (2004) 1014-1031
53. Siriwardena G.M., Baillie S.R., and Wilson J.D. Variation in the survival rates of some British passerines with respect to their population trends on farmland. Bird Study 45 (1998) 276-292
54. Siriwardena G.M., Baillie S.R., and Wilson J.D. Temporal variation in the annual survival rates of six granivorous birds with contrasting population trends. IBIS 141 (1999) 621-636
55. Siriwardena G.M., Baillie S.R., Crick H.Q.P., and Wilson J.D. The importance of variation in the breeding performance of seed-eating birds in determining their population trends on farmland. Bird Study 45 (2000) 276-292
56. Stolt B.O. Ortolansparven jagas i Frankrike. Fauna og Flora 91 (1996) 30-33
57. Størkersen Ø.R. Ny nasjonal rødliste over truete fuglearter. Vår Fuglefauna 22 (1999) 149-155
58. Sæther B.-E. Survival rates in relation to body weight in European birds. Ornis Scandinavica 20 (1989) 13-21
59. Thomson D.L., Baillie S.R., and Peach W.J. The demography and age-specific annual survival of song thrushes during periods of population stability and decline. Journal of Animal Ecology 66 (1997) 414-424
60. Tucker G.M. Birds in Europe: Their Conservation Status. BirdLife Conservation Series No. 3 (1994), BirdLife International, Cambridge
61. Walters J.R., Ford H.A., and Cooper C.B. The ecological basis of sensitivity of brown trecreepers to habitat fragmentation: a preliminary assessment. Biological Conservation 90 (1999) 13-20
62. Weatherhead P.J., and Forbes M.R.L. Natal philopatry in passerine birds: genetic or ecological influences? Behavioural Ecology 5 (1994) 426-433
63. Whittingham L.A., and Dunn P.O. Offspring sex ratios in tree swallows: females in better condition produce more sons. Molecular Ecology 9 (2000) 1123-1129
64. Yom-Tov Y. Clutch size and laying dates of three species of buntings Emberiza in England. Bird Study 39 (1992) 111-114
65. Young A.C., and Clarke G.M. Genetics, Demography and Viability of Fragmented Populations. Conservation biology series vol. 4 (2000), Cambridge University Press, Cambridge
66. Zanette L. Indicators of habitat quality and the reproductive output of a forest songbird in small and large fragments. Journal of Avian Biology 32 (2001) 38-46