Hannu Poysa
Hannu Poysa
Vahvistettu sähköpostiosoite verkkotunnuksessa luke.fi
Resource utilization pattern and guild structure in a waterfowl community
H Pöysä
Oikos, 295-307, 1983
Group foraging, distance to cover and vigilance in the teal, Anas crecca
H Pöysä
Animal Behaviour 48 (4), 921-928, 1994
Nest-site limitation and density dependence of reproductive output in the common goldeneye Bucephala clangula: implications for the management of cavity-nesting birds
H Pöysä, S Pöysä
Journal of applied ecology, 502-510, 2002
Group foraging in patchy environments: the importance of coarse-level local enhancement
H Pöysä
Ornis scandinavica, 159-166, 1992
Factors affecting species number and density of dabbling duck guilds in North Europe
J Elmberg, P Nummi, H Poysa, K Sjoberg
Ecography 16 (3), 251-260, 1993
Relationships between species number, lake size and resource diversity in assemblages of breeding waterfowl
J Elmberg, P Nummi, H Poysa, K Sjoberg
Journal of biogeography, 75-84, 1994
Morphology-mediated niche organization in a guild of dabbling ducks
H Pöysä
Ornis Scandinavica, 317-326, 1983
Feeding-vigilance trade-off in the teal (Anas crecca): effects of feeding method and predation risk
H Pöysä
Behaviour 103 (1-3), 108-122, 1987
Effects of climate change on European ducks: what do we know and what do we need to know?
M Guillemain, H Pöysä, AD Fox, C Arzel, L Dessborn, J Ekroos, ...
Wildlife Biology 19 (4), 404-419, 2013
Habitat associations of ducks during different phases of the breeding season
P Nummi, H Pòysá
Ecography 16 (4), 319-328, 1993
The scientific basis for new and sustainable management of migratory European ducks
J Elmberg, P Nummi, H Pöysä, K Sjöberg, G Gunnarsson, P Clausen, ...
Wildlife biology 12 (2), 121-127, 2006
Response of mallard ducklings to variation in habitat quality: an experiment of food limitation
K Sjöberg, H Pöysä, J Elmberg, P Nummi
Ecology 81 (2), 329-335, 2000
The importance of hunting pressure, habitat preference and life history for population trends of breeding waterbirds in Finland
H Pöysä, J Rintala, A Lehikoinen, RA Väisänen
European Journal of Wildlife Research 59 (2), 245-256, 2013
Interspecific interactions and co-existence in dabbling ducks: observations and an experiment
J Elmberg, H Pöysä, K SjoÈberg, P Nummi
Oecologia 111 (1), 129-136, 1997
Ecological basis of sustainable harvesting: is the prevailing paradigm of compensatory mortality still valid?
H Pöysä
Oikos 104 (3), 612-615, 2004
Public information and conspecific nest parasitism in goldeneyes: targeting safe nests by parasites
H Pöysä
Behavioral Ecology 17 (3), 459-465, 2006
Why are there so many empty lakes? Food limits survival of mallard ducklings
G Gunnarsson, J Elmberg, K Sjöberg, H Pöysä, P Nummi
Canadian Journal of Zoology 82 (11), 1698-1703, 2004
Conspecific nest parasitism is associated with inequality in nest predation risk in the common goldeneye (Bucephala clangula)
H Pöysä
Behavioral Ecology 10 (5), 533-540, 1999
Habitat selection rules in breeding mallards (Anas platyrhynchos): a test of two competing hypotheses
H Pöysä, J Elmberg, K Sjöberg, P Nummi
Oecologia 114 (2), 283-287, 1998
Do intruding predators and trap position affect the reliability of catches in activity traps?
J Elmberg, P Nummi, H Pöysä, K Sjöberg
Hydrobiologia 239 (3), 187-193, 1992
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Artikkelit 1–20