SEASONAL AND DIEL CHANGES IN THE FEEDING-BEHAVIOR OF SOME DABBLING DUCK SPECIES ON A BREEDING LAKE IN NORTHERN SWEDEN

[1] BENGTSON SA, 1972, THESIS U LUND SWEDEN

[2] DANELL K, 1980, Swedish Wildlife Research Viltrevy, V11, P141

[3] DANELL K, 1982, INT C GAME BIOL

[4] Danell Kjell, 1977, Wildfowl, V28, P129

[5] Lack D, 1971, ECOLOGICAL ISOLATION

[6] QUANTIFYING INTERSPECIFIC VARIATION IN FORAGING BEHAVIOR OF SYNTOPIC ANAS (ANATIDAE) [J]. CANADIAN JOURNAL OF ZOOLOGY, 1979, 57 (02) : 412 - 415

[7] OLNEY PJS, 1965, INT UNION GAME BIOL, V6, P309

[8] Pehrsson O., 1979, WILDLIFE, V10, P194

[9] Rzosha J., 1931, Verhandlungen Internationalen Vereinigung Limnologie Stuttgart, V5, P261

[10] Siegel S., 1956, NONPARAMETRIC STAT B

[1] BENGTSON SA, 1972, THESIS U LUND SWEDEN

[2] DANELL K, 1980, Swedish Wildlife Research Viltrevy, V11, P141

[3] DANELL K, 1982, INT C GAME BIOL

[4] Danell Kjell, 1977, Wildfowl, V28, P129

[5] Lack D, 1971, ECOLOGICAL ISOLATION

[6] QUANTIFYING INTERSPECIFIC VARIATION IN FORAGING BEHAVIOR OF SYNTOPIC ANAS (ANATIDAE) [J]. CANADIAN JOURNAL OF ZOOLOGY, 1979, 57 (02) : 412 - 415

[7] OLNEY PJS, 1965, INT UNION GAME BIOL, V6, P309

[8] Pehrsson O., 1979, WILDLIFE, V10, P194

[9] Rzosha J., 1931, Verhandlungen Internationalen Vereinigung Limnologie Stuttgart, V5, P261

[10] Siegel S., 1956, NONPARAMETRIC STAT B