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Results: 1-25/27
Authors:
POYSA H
RUNKO P
RUUSILA V
Citation: H. Poysa et al., NATAL PHILOPATRY AND LOCAL RESOURCE COMPETITION IN THE COMMON GOLDENEYE - A REPLY, Journal of avian biology, 29(3), 1998, pp. 323-324
Authors:
POYSA H
ELMBERG J
SJOBERG K
NUMMI P
Citation: H. Poysa et al., HABITAT SELECTION-RULES IN BREEDING MALLARDS (ANAS-PLATYRHYNCHOS) - ATEST OF 2 COMPETING HYPOTHESES, Oecologia, 114(2), 1998, pp. 283-287
Authors:
RUUSILA V
POYSA H
Citation: V. Ruusila et H. Poysa, SHARED AND UNSHARED PARENTAL INVESTMENT IN THE PRECOCIAL GOLDENEYE (AVES, ANATIDAE), Animal behaviour, 55, 1998, pp. 307-312
Authors:
POYSA H
RUNKO P
RUUSILA V
Citation: H. Poysa et al., NATAL PHILOPATRY AND THE LOCAL RESOURCE COMPETITION HYPOTHESIS - DATAFROM THE COMMON GOLDENEYE, Journal of avian biology, 28(1), 1997, pp. 63-67
Authors:
NUMMI P
POYSA H
Citation: P. Nummi et H. Poysa, POPULATION AND COMMUNITY-LEVEL RESPONSES IN ANAS-SPECIES TO PATCH DISTURBANCE CAUSED BY AN ECOSYSTEM ENGINEER, THE BEAVER, Ecography, 20(6), 1997, pp. 580-584
Authors:
POYSA H
MILONOFF M
VIRTANEN J
Citation: H. Poysa et al., NEST PREDATION IN HOLE-NESTING BIRDS IN RELATION TO HABITAT EDGE - ANEXPERIMENT, Ecography, 20(4), 1997, pp. 329-335
Authors:
POYSA H
VIRTANEN J
MILONOFF M
Citation: H. Poysa et al., COMMON GOLDENEYES ADJUST MATERNAL EFFORT IN RELATION TO PRIOR BROOD SUCCESS AND NOT CURRENT BROOD SIZE, Behavioral ecology and sociobiology, 40(2), 1997, pp. 101-106
Authors:
POYSA H
MILONOFF M
Citation: H. Poysa et M. Milonoff, OPTIMIZING CLUTCH SIZE IN BIRDS, Trends in ecology & evolution, 12(11), 1997, pp. 443-443
Authors:
ELMBERG J
POYSA H
SJOBERG K
NUMMI P
Citation: J. Elmberg et al., INTERSPECIFIC INTERACTIONS AND COEXISTENCE IN DABBLING DUCKS - OBSERVATIONS AND AN EXPERIMENT, Oecologia, 111(1), 1997, pp. 129-136
Authors:
POYSA H
Citation: H. Poysa, POPULATION ESTIMATES AND THE TIMING OF WATERFOWL CENSUSES, Ornis Fennica, 73(2), 1996, pp. 60-68
Authors:
POYSA H
ELMBERG J
NUMMI P
SJOBERG K
Citation: H. Poysa et al., ARE ECOMORPHOLOGICAL ASSOCIATIONS AMONG DABBLING DUCKS CONSISTENT AT DIFFERENT SPATIAL SCALES, Oikos, 76(3), 1996, pp. 608-612
Authors:
RASK M
JARVINEN M
KUOPPAMAKI K
POYSA H
Citation: M. Rask et al., LIMNOLOGICAL RESPONSES TO THE COLLAPSE OF THE PERCH POPULATION IN A SMALL LAKE, Annales zoologici Fennici, 33(3-4), 1996, pp. 517-524
Authors:
NUMMI P
POYSA H
Citation: P. Nummi et H. Poysa, BREEDING SUCCESS OF DUCKS IN RELATION TO DIFFERENT HABITAT FACTORS, Ibis, 137(2), 1995, pp. 145-150
FACTORS AFFECTING ABANDONMENT AND ADOPTION OF YOUNG IN COMMON EIDERS AND OTHER WATERFOWL - A COMMENT
Authors:
POYSA H
Citation: H. Poysa, FACTORS AFFECTING ABANDONMENT AND ADOPTION OF YOUNG IN COMMON EIDERS AND OTHER WATERFOWL - A COMMENT, Canadian journal of zoology, 73(8), 1995, pp. 1575-1577
Authors:
NUMMI P
ELMBERG J
POYSA H
SJOBERG K
Citation: P. Nummi et al., OCCURRENCE AND DENSITY OF MALLARD AND GREEN-WINGED TEAL IN RELATION TO PREY SIZE DISTRIBUTION AND FOOD ABUNDANCE, Annales zoologici Fennici, 32(4), 1995, pp. 385-390
Authors:
MILONOFF M
POYSA H
VIRTANEN J
Citation: M. Milonoff et al., BROOD-SIZE-DEPENDENT OFFSPRING MORTALITY IN COMMON GOLDENEYES RECONSIDERED - FACT OR ARTIFACT, The American naturalist, 146(6), 1995, pp. 967-974
Authors:
ELMBERG J
NUMMI P
POYSA H
SJOBERG K
Citation: J. Elmberg et al., RELATIONSHIPS BETWEEN SPECIES NUMBER, LAKE SIZE AND RESOURCE DIVERSITY IN ASSEMBLAGES OF BREEDING WATERFOWL, Journal of biogeography, 21(1), 1994, pp. 75-84
Authors:
POYSA H
ELMBERG J
NUMMI P
SJOBERG K
Citation: H. Poysa et al., SPECIES COMPOSITION OF DABBLING DUCK ASSEMBLAGES - ECOMORPHOLOGICAL PATTERNS COMPARED WITH NULL MODELS, Oecologia, 98(2), 1994, pp. 193-200
Authors:
ELMBERG J
SJOBERG K
NUMMI P
POYSA H
Citation: J. Elmberg et al., PATTERNS OF LAKE ACIDITY AND WATERFOWL COMMUNITIES, Hydrobiologia, 280, 1994, pp. 201-206
Authors:
NUMMI P
POYSA H
ELMBERG J
SJOBERG K
Citation: P. Nummi et al., HABITAT DISTRIBUTION OF THE MALLARD IN RELATION TO VEGETATION STRUCTURE, FOOD, AND POPULATION-DENSITY, Hydrobiologia, 280, 1994, pp. 247-252
HABITAT SELECTION AND SURVIVAL OF COMMON GOLDENEYE (BUCEPHALA-CLANGULA) BROODS - PRELIMINARY-RESULTS
Authors:
POYSA H
VIRTANEN J
Citation: H. Poysa et J. Virtanen, HABITAT SELECTION AND SURVIVAL OF COMMON GOLDENEYE (BUCEPHALA-CLANGULA) BROODS - PRELIMINARY-RESULTS, Hydrobiologia, 280, 1994, pp. 289-296
Authors:
POYSA H
RASK M
NUMMI P
Citation: H. Poysa et al., ACIDIFICATION AND ECOLOGICAL INTERACTIONS AT HIGHER TROPHIC LEVELS INSMALL FOREST LAKES - THE PERCH AND THE COMMON GOLDENEYE, Annales zoologici Fennici, 31(4), 1994, pp. 397-404
Authors:
POYSA H
Citation: H. Poysa, GROUP FORAGING, DISTANCE TO COVER AND VIGILANCE IN THE TEAL, ANAS-CRECCA, Animal behaviour, 48(4), 1994, pp. 921-928
Authors:
POYSA H
Citation: H. Poysa, GROUP FORAGING, DISTANCE TO COVER AND VIGILANCE IN THE TEAL, ANAS-CRECCA, Animal behaviour, 48(4), 1994, pp. 921-928
Authors:
NUMMI P
POYSA H
Citation: P. Nummi et H. Poysa, HABITAT ASSOCIATIONS OF DUCKS DURING DIFFERENT PHASES OF THE BREEDING-SEASON, Ecography, 16(4), 1993, pp. 319-328