Search Results - "Pietiainen, Hannu"

Europe-Wide Dampening of Population Cycles in Keystone Herbivores by Cornulier, Thomas, Yoccoz, Nigel G., Bretagnolle, Vincent, Brommer, Jon E., Butet, Alain, Ecke, Frauke, Elston, David A., Framstad, Erik, Henttonen, Heikki, Hörnfeldt, Birger, Huitu, Otso, Imholt, Christian, Ims, Rolf A., Jacob, Jens, Jędrzejewska, Bogumiła, Millon, Alexandre, Petty, Steve J., Pietiäinen, Hannu, Tkadlec, Emil, Zub, Karol, Lambin, Xavier

“…Suggestions of collapse in small herbivore cycles since the 1980s have raised concerns about the loss of essential ecosystem functions. Whether such phenomena…”
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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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Climate change reshuffles northern species within their niches by Antão, Laura H., Weigel, Benjamin, Strona, Giovanni, Hällfors, Maria, Kaarlejärvi, Elina, Dallas, Tad, Opedal, Øystein H., Heliölä, Janne, Henttonen, Heikki, Huitu, Otso, Korpimäki, Erkki, Kuussaari, Mikko, Lehikoinen, Aleksi, Leinonen, Reima, Lindén, Andreas, Merilä, Päivi, Pietiäinen, Hannu, Pöyry, Juha, Salemaa, Maija, Tonteri, Tiina, Vuorio, Kristiina, Ovaskainen, Otso, Saastamoinen, Marjo, Vanhatalo, Jarno, Roslin, Tomas, Laine, Anna-Liisa

“…Climate change is a pervasive threat to biodiversity. While range shifts are a known consequence of climate warming contributing to regional community change,…”
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Nonlinear effects of climate on boreal rodent dynamics: mild winters do not negate high-amplitude cycles by Korpela, Katri, Delgado, Maria, Henttonen, Heikki, Korpimäki, Erkki, Koskela, Esa, Ovaskainen, Otso, Pietiäinen, Hannu, Sundell, Janne, Yoccoz, Nigel G, Huitu, Otso

“…Small rodents are key species in many ecosystems. In boreal and subarctic environments, their importance is heightened by pronounced multiannual population…”
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Evolution of chain migration in an aerial insectivorous bird, the common swift Apus apus by Åkesson, Susanne, Atkinson, Phil W., Bermejo, Ana, de la Puente, Javier, Ferri, Mauro, Hewson, Chris M., Holmgren, Jan, Kaiser, Erich, Kearsley, Lyndon, Klaassen, Raymond H. G., Kolunen, Heikki, Matsson, Gittan, Minelli, Fausto, Norevik, Gabriel, Pietiäinen, Hannu, Singh, Navinder J., Spina, Fernando, Viktora, Lukas, Hedenström, Anders

“…Spectacular long-distance migration has evolved repeatedly in animals enabling exploration of resources separated in time and space. In birds, these patterns…”
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Predator–vole interactions in northern Europe: the role of small mustelids revised by Korpela, Katri, Helle, Pekka, Henttonen, Heikki, Korpimäki, Erkki, Koskela, Esa, Ovaskainen, Otso, Pietiäinen, Hannu, Sundell, Janne, Valkama, Jari, Huitu, Otso

“…The cyclic population dynamics of vole and predator communities is a key phenomenon in northern ecosystems, and it appears to be influenced by climate change…”
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Aggressive Ural owl mothers recruit more offspring by Kontiainen, Pekka, Pietiäinen, Hannu, Huttunen, Kalle, Karell, Patrik, Kolunen, Heikki, Brommer, Jon E.

“…Animals are thought to adjust their behavior optimally to any given environment. So-called behavioral syndromes, or consistent patterns of behavior across…”
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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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impact of climate and cyclic food abundance on the timing of breeding and brood size in four boreal owl species by Lehikoinen, Aleksi, Ranta, Esa, Pietiäinen, Hannu, Byholm, Patrik, Saurola, Pertti, Valkama, Jari, Huitu, Otso, Henttonen, Heikki, Korpimäki, Erkki

“…The ongoing climate change has improved our understanding of how climate affects the reproduction of animals. However, the interaction between food…”
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Senescence rates are determined by ranking on the fast-slow life-history continuum by Jones, Owen R, Gaillard, Jean-Michel, Tuljapurkar, Shripad, Alho, Jussi S, Armitage, Kenneth B, Becker, Peter H, Bize, Pierre, Brommer, Jon, Charmantier, Anne, Charpentier, Marie, Clutton-Brock, Tim, Dobson, F. Stephen, Festa-Bianchet, Marco, Gustafsson, Lars, Jensen, Henrik, Jones, Carl G, Lillandt, Bo-Göran, McCleery, Robin, Merilä, Juha, Neuhaus, Peter, Nicoll, Malcolm A.C, Norris, Ken, Oli, Madan K, Pemberton, Josephine, Pietiäinen, Hannu, Ringsby, Thor Harald, Roulin, Alexandre, Saether, Bernt-Erik, Setchell, Joanna M, Sheldon, Ben C, Thompson, Paul M, Weimerskirch, Henri, Jean Wickings, E, Coulson, Tim

“…Comparative analyses of survival senescence by using life tables have identified generalizations including the observation that mammals senesce faster than…”
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Numerical response of small mustelids to vole abundance: delayed or not? by Sundell, Janne, O'Hara, Robert Brian, Helle, Pekka, Hellstedt, Paavo, Henttonen, Heikki, Pietiäinen, Hannu

“…One of the most studied problems in population ecology has been to understand the relative roles of top-down and bottom-up forces in regulating animal…”
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Reproduction of the common buzzard at its northern range margin under climatic change by Lehikoinen, Aleksi, Byholm, Patrik, Ranta, Esa, Saurola, Pertti, Valkama, Jari, Korpimäki, Erkki, Pietiäinen, Hannu, Henttonen, Heikki

“…A changing climate induces shifts in the location of biomes. Tracing such a shift may pose problems for life history traits adapted to the prior conditions, so…”
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Tawny owl prey remains indicate differences in the dynamics of coastal and inland vole populations in southern Finland by Solonen, Tapio, Karhunen, Jonna, Kekkonen, Jaana A., Kolunen, Heikki, Pietiäinen, Hannu

“…Some studies suggest that mild winters decrease overwinter survival of small mammals or coincide with decreased cyclicity in vole numbers, whereas other…”
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Density-dependent vole damage in silviculture and associated economic losses at a nationwide scale by Huitu, Otso, Kiljunen, Nuutti, Korpimäki, Erkki, Koskela, Esa, Mappes, Tapio, Pietiäinen, Hannu, Pöysä, Hannu, Henttonen, Heikki

“…Voles inflict damage to silviculture by debarking or severing tree seedlings. The large-scale impacts of vole damage to silviculture, both in terms of severity…”
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Single‐Generation Estimates of Individual Fitness as Proxies for Long‐Term Genetic Contribution by Brommer, Jon E., Gustafsson, Lars, Pietiäinen, Hannu, Merilä, Juha

“…Individual fitness is a central evolutionary concept, but the question of how it should be defined in empirical studies of natural selection remains…”
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Selection on plasticity of seasonal life‐history traits using random regression mixed model analysis by Brommer, Jon E., Kontiainen, Pekka, Pietiäinen, Hannu

“…Theory considers the covariation of seasonal life‐history traits as an optimal reaction norm, implying that deviating from this reaction norm reduces fitness…”
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Diet and reproduction in coastal and inland populations of the Tawny Owl Strix aluco in southern Finland by Solonen, Tapio, Karhunen, Jonna, Kekkonen, Jaana, Kolunen, Heikki, Pietiäinen, Hannu

“…In generalist predators the energy needed for reproduction is derived from various prey categories, the profitability of which may vary according to the…”
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Environmental correlates of annual survival differ between two ecologically similar and congeneric owls by Pavón‐Jordán, Diego, Karell, Patrik, Ahola, Kari, Kolunen, Heikki, Pietiäinen, Hannu, Karstinen, Teuvo, Brommer, Jon E, Sanchez‐Zapata, Jose Antonio

“…Understanding how survival is affected by the environment is essential to gain insight into population dynamics and the evolution of life‐history traits as…”
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Fluctuating Asymmetry in the Saddle Patch Shape of the Pacific Ocean Killer Whale (Orcinus orca) Populations by Mäkeläinen, Pirjo H, Ginneken, Astrid M. van, Pietiäinen, Hannu

“…The killer whale (Orcinus orca) is a top predator and one of the most contaminated marine mammal species in the world. Due to different prey preferences and…”
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Hatching asynchrony is an individual property of female Ural owls which improves nestling survival by Kontiainen, P., Pietiainen, H., Karell, P., Pihlaja, T., Brommer, J. E.

“…Hatching asynchrony (HA) is a ubiquitous phenomenon in birds with generally profound consequences for offspring development. We here define HA relative to…”
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