Effects of changing water levels on numbers of staging dabbling ducks in a Danish wetland

Waterbirds

Volumn 29, Issue 1, 2006, Pages 1-8

  Boertmann, David ^a   Riget, Frank ^a  

^a NATIONAL ENVIRONMENTAL RESEARCH INSTITUTE   (Denmark)

Author keywords

Anas acuta; Anas clypeata; Anas crecca; Anas penelope; Anas platyrhynchos; Dabbling ducks; Numerical response; Water level changes

Indexed keywords

CORRELATION; MIGRATORY POPULATION; POPULATION SIZE; WATER LEVEL; WATERFOWL; WETLAND;

DENMARK; EURASIA; EUROPE; NORTHERN EUROPE; SCANDINAVIA;

ANAS; ANAS ACUTA; ANAS CLYPEATA; ANAS CRECCA; ANAS PENELOPE; ANAS PLATYRHYNCHOS; AVES;

EID: 33646022839     PISSN: 15244695     EISSN: None     Source Type: Journal    
DOI: 10.1675/1524-4695(2006)29[1:EOCWLO]2.0.CO;2     Document Type: Article

References (24)

1. Burholt, T., O. Lilleør, and B. M. Jepsen 1994. Vejlerne. Botanisk set-en oversigt. Urt 1994 (4): 99-104.
2. Burnham, K. P. and D. R. Anderson 2002. Model selection and multimodel inference: a practical information-theoretic approach, 2nd ed. Springer-Verlag, New York.
3. Clausen, P. 2000. Modelling water level influence on habitat choice and food availability for Zostera feeding brent geese Branta bernicla in non-tidal areas. Wildlife Biology 6: 75-87.
4. Cramp, S. and K. E. L. Simmons 1977. The birds of the Western Palearctic, Vol. 1. Oxford University Press, Oxford
5. Delany, S., C. Reyes, E. Hubert, S. Pihl, E. Rees, L. Haanstra and A. Strien 1999. Results from the International Waterbird Census in the Western Palearctic and Southwest Asia 1995 and 1996. Wetlands International Publication 54, Wageningen, The Netherlands.
6. Jensen, F. P. 1996. EF-Fuglebeskyttelsesområder og Ramsarområder. Kort og områdebeskrivelser, status 1995. Skov-og Naturstyrelsen, Copenhagen.
7. Jeppesen, E., M. Søndergaard, S. Amsinck, J. P. Jensen, T. L. Lauridsen, L. K. Pedersen, F. Landkildehus, K. Nielsen, D. Ryves, O. Bennike, G. Krog, I. Christensen and P. Schriver. 2002. Søerne i de østlige vejler. Faglig rapport fra DMU, nr. 394. Roskilde.
8. Joensen, A. H. 1974. Waterfowl populations in Denmark 1965-1973. Danish Review of Game Biology 9: 1-206.
9. Kaminski, R. M. and H. H. Prince. 1981. Dabbling duck and aquatic macroinvertebrate response to manipulated wetland habitat. Journal of Wildlife Management 45: 1-15.
10. Krapu, G. L. A. T. Klett and D. G. Jorde. 1983. The effect of variable spring water conditions on mallard reproduction. Auk 100: 689-689.
11. Lariviere, S. and M. Lepage. 2000. Effect of a water-level increase on use by birds of a lakeshore fen in Québec. Canadian Field-Naturalist 114: 694-696.
12. Laursen, K., S. Pihl, J. Durinck, M. Hansen, H. Skov, J. Frikke and E. Danielsen. 1997. Numbers and distribution of waterbirds in Denmark 1987-1989. Danish Review of Game Biology 15: 1-181.
13. Madsen, J. 1988. Autumn feeding ecology of herbivorous wildfowl in the Danish Wadden Sea, and impact of food supplies and shooting on movements. Danish review of Game Biology 13: 1-32.
14. Madsen, J. 1998. Experimental refuges for migratory waterfowl in Danish wetlands. II. Tests of hunting disturbance effects. Journal of Applied Ecology 35: 398-417.
15. Madsen, J. and A. D. Fox 1995. Impacts of hunting disturbance on waterbirds - a review. Wildlife Biology 1: 193-207.
16. Madsen, J., S. Pihl and P. Clausen. 1998. Establishing a reserve network for waterfowl in Denmark: a biological evaluation of needs and consequences. Biological Conservation 85: 241-255.
17. Mayhew, P. and D. Houston 1989. Feeding site selection by Wigeon Anas penelope in relation to water. Ibis 131: 1-8.
18. Mesleard, F., P. Grillas and L. T. Ham. 1995. Restoration of seasonally-flooded marshes in abandoned rice-fields in the Camargue (southern France) - preliminary results on vegetation and use by ducks. Ecological Engineering 5: 95-106.
19. Petersen, F.D. 1974. The migration of Ducks Anatinae at Blåvand, Western Jutland 1963-71. Dansk Ornithologisk Forenings Tidsskrift 68: 25-37.
20. Pöysä, H. 1987. Ecology of foraging behavior in Dabbling Ducks. University of Joensuu Publications in Sciences No. 10. 1-19.
21. SAS Institute, Inc. 1989. SAS/STAT User Guide version 6, 4th Ed., Volume 2. SAS Institute, Inc., Cary, NC.
22. Schroeder, L. D., D. R. Anderson, R. S. Pospahala, G. G. W. Robinson and F. R. Glover. 1976. Effects of early water application on waterfowl production. Journal of Wildlife Management 40: 227-232.
23. Scott, D. A. (Ed.) 1982. Managing wetlands and their birds. International Waterfowl Research Bureau, Slimbridge.
24. Valk, A. G. v. d. 1991. Response of wetland vegetation to a change in water level. Pages 7-16 in C. M. Finlayson and T. Larsson (Eds.). Wetland management and restoration. Proceedings of a Workshop Sweden 12-15 September 1990. Swedish Environmental Protection Agency report, Solna.