Search Results - "KARELL, PATRIK"

Specialist predation covaries with colour polymorphism in tawny owls by Karell, Patrik, Kohonen, Kio, Koskenpato, Katja

“…Understanding intraspecific phenotypic variation in prey specialisation can help to predict how long-term changes in prey availability affect the viability of…”
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Telomere length in relation to colour polymorphism across life stages in the tawny owl by Chiara Morosinotto, Staffan Bensch, Patrik Karell

“…Telomere erosion has been proposed to be tightly associated with senescence, environmental stressors and life history trade‐offs. How telomere dynamics vary…”
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Gray plumage color is more cryptic than brown in snowy landscapes in a resident color polymorphic bird by Koskenpato, Katja, Lehikoinen, Aleksi, Lindstedt, Carita, Karell, Patrik

“…Camouflage may promote fitness of given phenotypes in different environments. The tawny owl (Strix aluco) is a color polymorphic species with a gray and brown…”
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Structural equation modeling reveals decoupling of ecological and self-perceived outcomes in a garden box social-ecological system by Tuominen, Laura S., Helle, Samuli, Helanterä, Heikki, Karell, Patrik, Rapeli, Lauri, Richmond, Douglas, Vuorisalo, Timo, Brommer, Jon E.

“…It is well known that green urban commons enhance mental and physical well-being and improve local biodiversity. We aim to investigate how these outcomes are…”
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Pale and dark morphs of tawny owls show different patterns of telomere dynamics in relation to disease status by Karell, Patrik, Bensch, Staffan, Ahola, Kari, Asghar, Muhammad

“…Parasites are expected to exert long-term costs on host fecundity and longevity. Understanding the consequences of heritable polymorphic variation in disease…”
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Increased male bias in eider ducks can be explained by sex-specific survival of prime-age breeders by Ramula, Satu, Öst, Markus, Lindén, Andreas, Karell, Patrik, Kilpi, Mikael

“…In contrast to theoretical predictions of even adult sex ratios, males are dominating in many bird populations. Such bias among adults may be critical to…”
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Regional variation in climate change alters the range‐wide distribution of colour polymorphism in a wild bird by Koskenpato, Katja, Lehikoinen, Aleksi, Morosinotto, Chiara, Gunko, Ruslan, Karell, Patrik

“…According to Gloger's rule, animal colouration is expected to be darker in wetter and warmer climates. Such environmental clines are predicted to occur in…”
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Is the denser contour feather structure in pale grey than in pheomelanic brown tawny owls Strix aluco an adaptation to cold environments? by Koskenpato, Katja, Ahola, Kari, Karstinen, Teuvo, Karell, Patrik

“…In colour polymorphic species morphs are considered to be adaptations to different environments, where they have evolved and are maintained because of their…”
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Scrutinizing assortative mating in birds by Wang, Daiping, Forstmeier, Wolfgang, Valcu, Mihai, Dingemanse, Niels J, Bulla, Martin, Both, Christiaan, Duckworth, Renée A, Kiere, Lynna Marie, Karell, Patrik, Albrecht, Tomáš, Kempenaers, Bart

“…It is often claimed that pair bonds preferentially form between individuals that resemble one another. Such assortative mating appears to be widespread…”
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Factors promoting hunting groups’ sustainable harvest of moose in a co-management system by Tuominen, Laura S., Wikström, Mikael, Helanterä, Heikki, Karell, Patrik, Pusenius, Jyrki, Rapeli, Lauri, Ruha, Leena, Vuorisalo, Timo, Brommer, Jon E.

“…Collaboration between and within management levels and involvement of local communities (co-management) increases sustainable management of natural resources…”
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Camouflage efficiency in a colour‐polymorphic predator is dependent on environmental variation and snow presence in the wild by Perrault, Charlotte, Morosinotto, Chiara, Brommer, Jon E., Karell, Patrik

“…Colour polymorphism can be maintained by colour morph‐specific benefits across environmental conditions. Currently, the amount and the duration of snow cover…”
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Demographic routes to variability and regulation in bird populations by Sæther, Bernt-Erik, Grøtan, Vidar, Engen, Steinar, Coulson, Tim, Grant, Peter R., Visser, Marcel E., Brommer, Jon E., Rosemary Grant, B., Gustafsson, Lars, Hatchwell, Ben J., Jerstad, Kurt, Karell, Patrik, Pietiäinen, Hannu, Roulin, Alexandre, Røstad, Ole W., Weimerskirch, Henri

“…There is large interspecific variation in the magnitude of population fluctuations, even among closely related species. The factors generating this variation…”
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Evidence of COVID-19 pandemic influence on well-being produced by urban gardening: a before-after study by Tuominen, Laura S., Helanterä, Heikki, Karell, Patrik, Rapeli, Lauri, Vuorisalo, Timo, Brommer, Jon E.

“…The COVID-19 pandemic showed us that maintaining and increasing individual and community resilience is essential, particularly in cities. Access to urban green…”
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Changes in over-winter prey availability, rather than winter climate, are associated with a long-term decline in a northern Tawny Owl population by Orlando, Giuseppe, Passarotto, Arianna, Morosinotto, Chiara, Ahola, Kari, Karstinen, Teuvo, Brommer, Jon E., Koskenpato, Katja, Karell, Patrik

“…Although the associations between climate, food conditions and reproduction in the wild has been the focus of numerous studies in recent years, we still know…”
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return of the vole cycle in southern Finland refutes the generality of the loss of cycles through 'climatic forcing' by BROMMER, JON E, PIETIÄINEN, HANNU, AHOLA, KARI, KARELL, PATRIK, KARSTINEN, TEUVO, KOLUNEN, HEIKKI

“…Multiannual cycles in the abundance of voles and other animals have been collapsing in the last decades. It has been proposed that this phenomenon is…”
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Drivers of Spatiotemporal Variation in Survival in a Flyway Population: A Multi-Colony Study by Tjørnløv, Rune S., Ens, Bruno J., Öst, Markus, Jaatinen, Kim, Karell, Patrik, Larsson, Rolf, Christensen, Thomas Kjær, Frederiksen, Morten

“…Spatio-temporal variation in population dynamics of migratory populations is shaped by exposure to different environments during the annual cycle. Hence,…”
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Tawny owl reproduction and offspring sex ratios under variable food conditions by Kekkonen, Jaana, Kolunen, Heikki, Pietiäinen, Hannu, Karell, Patrik, Brommer, Jon E.

“…Tawny owl reproduction and offspring sex ratios have been considered to depend on the abundance of small voles. We studied reproductive performance (laying…”
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Sex allocation is color morph-specific and associated with fledging condition in a wild bird by Tooth, Amandine, Morosinotto, Chiara, Karell, Patrik

“…Melanin-based color polymorphism is predicted to evolve and maintain through differential fitness of morphs in different environments, and several empirical…”
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Ural owl sex allocation and parental investment under poor food conditions by Brommer, Jon E, Karell, Patrik, Pihlaja, Tuomo, Painter, Jodie N, Primmer, Craig R, Pietiäinen, Hannu

“…Parents are expected to overproduce the less costly sex under poor food conditions. The previously regular 3-year cycle in the abundance of voles, the main…”
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Does Water Quality Matter for Life Quality? A Study of the Impact of Water Quality on Well-being in a Coastal Community by Gunko, Ruslan, Rapeli, Lauri, Vuorisalo, Timo, Scheinin, Matias, Karell, Patrik

“…Most studies of life quality are concentrated on a country-level scale, while local differences within a country or area are less studied. Thus, the effect of…”
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