Publications by authors named "Pekka Helle"

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Decline of the boreal willow grouse (Lagopus lagopus) has been accelerated by more frequent snow-free springs.
Markus Melin, Lauri Mehtätalo, Pekka Helle, Katja Ikonen, Tuula Packalen

Sci Rep· April 2020

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Large-scale spatial synchrony in red squirrel populations driven by a bottom-up effect.
Tytti Turkia, Jussi Jousimo, Juha Tiainen, Pekka Helle, Jukka Rintala

Oecologia· February 2020

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Guardian or threat: does golden eagle predation risk have cascading effects on forest grouse?
Mari S Lyly, Alexandre Villers, Elina Koivisto, Pekka Helle, Tuomo Ollila

Oecologia· October 2016

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Avian top predator and the landscape of fear: responses of mammalian mesopredators to risk imposed by the golden eagle.
Mari S Lyly, Alexandre Villers, Elina Koivisto, Pekka Helle, Tuomo Ollila

Ecol Evol· January 2015

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Predator-vole interactions in Northern Europe: the role of small mustelids revised.
Katri Korpela, Pekka Helle, Heikki Henttonen, Erkki Korpimäki, Esa Koskela

Proc Biol Sci· December 2014

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Coupling in goshawk and grouse population dynamics in Finland.
Risto Tornberg, Andreas Lindén, Patrik Byholm, Esa Ranta, Jari Valkama, Pekka Helle

Oecologia· April 2013

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Vulnerability of black grouse hens to goshawk predation: result of food supply or predation facilitation?
Risto Tornberg, Pekka Helle, Erkki Korpimäki

Oecologia· July 2011

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Sindbis virus infection in resident birds, migratory birds, and humans, Finland.
Satu Kurkela, Osmo Rätti, Eili Huhtamo, Nathalie Y Uzcátegui, J Pekka Nuorti, Pekka Helle

Emerg Infect Dis· January 2008

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Short- and long-term population dynamical consequences of asymmetric climate change in black grouse.
Gilbert X Ludwig, Rauno V Alatalo, Pekka Helle, Harto Lindén, Jan Lindström

Proc Biol Sci· August 2006

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Population genetic structure of male black grouse (Tetrao tetrix L.) in fragmented vs. continuous landscapes.
Alain Caizergues, Osmo Rätti, Pekka Helle, Luca Rotelli, Laurence Ellison

Mol Ecol· September 2003

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Heterospecific attraction and food resources in migrants' breeding patch selection in northern boreal forest.
Jukka T Forsman, Mikko Mönkkönen, Pekka Helle, Jouko Inkeröinen

Oecologia· June 1998

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Numerical and behavioural responses of migrant passerines to experimental manipulation of resident tits (Parus spp.): heterospecific attraction in northern breeding bird communites?
Mikko Mönkkönen, Pekka Helle, Kimmo Soppela

Oecologia· December 1990

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