Search Results - "Kolunen, H."

Fecal calcium levels of bird nestlings as a potential indicator of species-specific metal sensitivity by Espín, S., Andersson, T., Haapoja, M., Hyvönen, R., Kluen, E., Kolunen, H., Laaksonen, T., Lakka, J., Leino, L., Merimaa, K., Nurmi, J., Rainio, M., Ruuskanen, S., Rönkä, K., Sánchez-Virosta, P., Suhonen, J., Suorsa, P., Eeva, T.

“…Sensitivity of bird species to environmental metal pollution varies but there is currently no general framework to predict species-specific sensitivity. Such…”
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Blood parasites mediate morph-specific maintenance costs in a colour polymorphic wild bird by KARELL, P, AHOLA, K, KARSTINEN, T, KOLUNEN, H, SIITARI, H, BROMMER, J.E

“…Parasites can mediate profound negative effects on host fitness. Colour polymorphism has been suggested to covary genetically with intrinsic physiological…”
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Female Body Condition and Breeding of the Ural Owl Strix uralensis by Pietiainen, H., Kolunen, H.

“…1. Female body condition affects reproductive success in birds of prey. Females with ample body reserves lay early and large clutches. Body reserves also act…”
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Blood parasites mediate morph-specific maintenance costs in a colour polymorphic wild bird: Morph-specific costs of parasitism by KARELL, P., AHOLA, K., KARSTINEN, T., KOLUNEN, H., SIITARI, H., BROMMER, J. E.

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REPRODUCTION AND SURVIVAL IN A VARIABLE ENVIRONMENT: URAL OWLS (STRIX URALENSIS) AND THE THREE-YEAR VOLE CYCLE by Brommer, Jon E, Pietiäinen, Hannu, Kolunen, Heikki

“…We analyzed data on 535 Ural Owl (Strix uralensis) breeding attempts and consecutive survival of both adults and offspring from 1987–1998 in relation to the…”
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The reproductive constraints on moult in the Ural Owl Strix uralensis by Pietiäinen, Hannu, Saurola, Pertti, Kolunen, Heikki

“…The moult was studied retrogressively from breeding individuals in 1979-83. The females did not start moulting their wing feathers until in the late nestling…”
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The Effect of Age at First Breeding on Ural Owl Lifetime Reproductive Success and Fitness under Cyclic Food Conditions by Brommer, Jon E., Pietiainen, Hannu, Kolunen, Heikki

“…1. Individuals are expected to balance the costs and benefits underlying the trade-off between current and future reproduction. If starting to breed does not…”
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Life-History Consequences of Partial-Moult Asymmetry by Brommer, Jon E., Pihlajamäki, Outi, Kolunen, Heikki, Pietiainen, Hannu

“…1. Experiments have shown that asymmetry in flight feathers reduces flight performance. Large birds moult only part of their flight feathers during one season…”
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Natural selection on individual clutch size-laying date trends in the Ural owl by Brommer, JE, Pietiaeinen, H, Kolunen, H

“…Clutch size declines with advancing laying date in many birds. This relationship is thought to represent a reaction norm of individual optimization in response…”
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Reproduction And Survival In A Variable Environment: Ural Owls (Strix uralensis) And The Three-year Vole Cycle by Brommer, JE, Pietiaeinen, H, Kolunen, H

“…We analyzed data on 535 Ural Owl (Strix uralensis) breeding attempts and consecutive survival of both adults and offspring from 1987-1998 in relation to the…”
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