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J

Jari Valkama

university of helsinki

28H指数
101论文数
2.3K被引数
收录论文 19
发表时间
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Age-Specific Survival Estimation of a Eurasian Crane Population Highlights a Long-Term Decline in Juvenile Survival欧亚鹤种群年龄特定生存率估计突显幼鸟生存率长期下降
errEcology and Evolution
IF2.3
err2026-02-03
err0
errOAAI
errGicquel, Morgane; Alonso, Juan C.; Nilsson, Lovisa; Low, Matthew; Alonso, Javier A.; Boiko, Dmitrijs; Bridge, Damon; Dulau, Patrick; Heinicke, Thomas; Kettner, Anne; Kiat, Yosef; Kurlavicius, Petras; Lundgren, Sigvard; Modrow, Michael; Nowald, Gunter; Ojaste, Ivar; Salvi, Alain; Sandvik, Jostein; Tichackova, Marketa; Torrijo, Antonio; Valkama, Jari; Vegvari, Zsolt; Mansson, Johan
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Temporal Changes to Migratory Fuel Load in Migratory Birds Across Europe欧洲迁徙鸟类迁徙燃料负荷的时序变化
errGlobal Change Biology
IF12
err2025-11-10
err0
PREAI
errJennifer Anne Border; Robert A. Robinson; James W. Pearce-Higgins; Chris M. Hewson; Christine Howard; Philip A. Stephens; Stephen G. Willis; Jan A. C. von Rönn; Pierre-Yves Henry; Romain Lorrilliere; Lorenzo Serra; Simona Imperio; Gabriel Gargallo; Oriol Baltà; Zsolt Karcza; Didier Vangeluwe; Jari Valkama; Charles Perez; Keith Bensusan; Thord Fransson; Christof Herrmann; Franz Bairlein; Wolfgang Fiedler; John Horton; Stephen R. Baillie
err分享
err收藏
Factors affecting detection probability: Insights from banding data in a long-term continent-wide monitoring program影响检测概率的因素：来自长期大陆范围监测计划中标记数据的见解
errEcological Indicators
IF7.4
err2025-08-12
err0
PREAI
errMorgane Gicquel; Juan C. Alonso; Lovisa Nilsson; Matthew Low; Javier A. Alonso; Dmitrijs Boiko; Damon Bridge; Patrick Dulau; Thomas Heinicke; Anne Kettner; Yosef Kiat; Petras Kurlavičius; Sigvard Lundgren; Michael Modrow; Günter Nowald; Ivar Ojaste; Alain Salvi; Jostein Sandvik; Markéta Ticháčková; Antonio Torrijo; Jari Valkama; Zsolt Végvári; Johan Månsson
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Survival fluctuation is linked to precipitation variation during staging in a migratory shorebird
errSCIENTIFIC REPORTS
IF3.9
err2022-11-18
err5
errOAAI
errBrlik, Vojtech; Pakanen, Veli-Matti; Jaakkonen, Tuomo; Arppe, Heikki; Jokinen, Jaakko; Lakka, Johanna; Blomqvist, Donald; Hahn, Steffen; Valkama, Jari; Koivula, Kari
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Developing fine-grained nationwide predictions of valuable forests using biodiversity indicator bird species
errECOLOGICAL APPLICATIONS
IF4.3
err2022-01-28
err16
errOAAI
errVirkkala, Raimo; Leikola, Niko; Kujala, Heini; Kivinen, Sonja; Hurskainen, Pekka; Kuusela, Saija; Valkama, Jari; Heikkinen, Risto K.
err分享
err收藏
A review of constraints and solutions for collecting raptor samples and contextual data for a European Raptor Biomonitoring Facility
errSCIENCE OF THE TOTAL ENVIRONMENT
IF8
err2021-11-01
err8
errOAAI
errDulsat-Masvidal, Maria; Lourenco, Rui; Lacorte, Silvia; D'Amico, Marcello; Albayrak, Tamer; Andevski, Jovan; Aradis, Arianna; Baltag, Emanuel; Berger-Tal, Oded; Berny, Philippe; Choresh, Yael; Duke, Guy; Espin, Silvia; Garcia-Fernandez, Antonio J.; Gomez-Ramirez, Pilar; Hallgrimsson, Gunnar T.; Jaspers, Veerle; Johansson, Ulf; Kovacs, Andras; Krone, Oliver; Leivits, Madis; Martinez-Lopez, Emma; Mateo, Rafael; Movalli, Paola; Sanchez-Virosta, Pablo; Shore, Richard F.; Valkama, Jari; Vrezec, Al; Xirouchakis, Stavros; Walker, Lee A.; Wernham, Chris
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Developing a spatially explicit modelling and evaluation framework for integrated carbon sequestration and biodiversity conservation: Application in southern Finland
errSCIENCE OF THE TOTAL ENVIRONMENT
IF8
err2021-06-01
err26
errOAAI
errForsius, Martin; Kujala, Heini; Minunno, Francesco; Holmberg, Maria; Leikola, Niko; Mikkonen, Ninni; Autio, Iida; Paunu, Ville-Veikko; Tanhuanpaa, Topi; Hurskainen, Pekka; Mayra, Janne; Kivinen, Sonja; Keski-Saari, Sarita; Kosenius, Anna-Kaisa; Kuusela, Saija; Virkkala, Raimo; Viinikka, Arto; Vihervaara, Petteri; Akujarvi, Anu; Back, Jaana; Karvosenoja, Niko; Kumpula, Timo; Kuzmin, Anton; Makela, Annikki; Moilanen, Atte; Ollikainen, Markku; Pekkonen, Minna; Peltoniemi, Mikko; Poikolainen, Laura; Rankinen, Katri; Rasilo, Terhi; Tuominen, Sakari; Valkama, Jari; Vanhala, Pekka; Heikkinen, Risto K.
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Increasing protected area coverage mitigates climate-driven community changes
errBIOLOGICAL CONSERVATION
IF4.4
err2021-01-01
err18
errOAAI
errLehikoinen, Petteri; Tiusanen, Maria; Santangeli, Andrea; Rajasarkka, Ari; Jaatinen, Kim; Valkama, Jari; Virkkala, Raimo; Lehikoinen, Aleksi
err分享
err收藏
Promoting species protection with predictive modelling: Effects of habitat, predators and climate on the occurrence of the Siberian flying squirrel
errBIOLOGICAL CONSERVATION
IF4.4
err2019-02-01
err13
errOAAI
errJokinen, Maarit; Hanski, Ilpo; Numminen, Elina; Valkama, Jari; Selonen, Vesa
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Usability of citizen science observations together with airborne laser scanning data in determining the habitat preferences of forest birds
errFOREST ECOLOGY AND MANAGEMENT
IF3.7
err2018-12-01
err17
PREAI
errMononen, L.; Auvinen, A. -P.; Packalen, P.; Virkkala, R.; Valbuena, R.; Bohlin, I.; Valkama, J.; Vihervaara, P.
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Stronger response of farmland birds than farmers to climate change leads to the emergence of an ecological trap
errBIOLOGICAL CONSERVATION
IF4.4
err2018-01-01
err35
PREAI
errSantangeli, Andrea; Lehikoinen, Aleksi; Bock, Anna; Peltonen-Sainio, Pirjo; Jauhiainen, Lauri; Girardello, Marco; Valkama, Jari
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Predator-vole interactions in northern Europe: the role of small mustelids revised
errPROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
IF3.5
err2014-12-22
err44
errOAAI
errKorpela, Katri; Helle, Pekka; Henttonen, Heikki; Korpimaki, Erkki; Koskela, Esa; Ovaskainen, Otso; Pietiainen, Hannu; Sundell, Janne; Valkama, Jari; Huitu, Otso
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How to integrate remotely sensed data and biodiversity for ecosystem assessments at landscape scale
errLANDSCAPE ECOLOGY
IF3.7
err2014-12-19
err56
PREAI
errVihervaara, Petteri; Mononen, Laura; Auvinen, Ari-Pekka; Virkkala, Raimo; Lu, Yihe; Pippuri, Inka; Packalen, Petteri; Valbuena, Ruben; Valkama, Jari
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Matching trends between recent distributional changes of northern-boreal birds and species-climate model predictions
errBIOLOGICAL CONSERVATION
IF4.4
err2014-04-01
err29
PREAI
errVirkkala, Raimo; Heikkinen, Risto K.; Lehikoinen, Aleksi; Valkama, Jari
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err收藏
Climate change drives microevolution in a wild bird
errNATURE COMMUNICATIONS
IF15.7
err2011-02-22
err200
errOAAI
errKarell, Patrik; Ahola, Kari; Karstinen, Teuvo; Valkama, Jari; Brommer, Jon E.
err分享
err收藏
Reproduction of the common buzzard at its northern range margin under climatic change
errOIKOS
IF3
err2009-05-26
err64
PREAI
errLehikoinen, Aleksi; Byholm, Patrik; Ranta, Esa; Saurola, Pertti; Valkama, Jari; Korpimaki, Erkki; Pietiainen, Hannu; Henttonen, Heikki
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Birds of prey as limiting factors of gamebird populations in Europe:: a review
errBIOLOGICAL REVIEWS
IF11.7
err2005-05-01
err146
PREAI
errValkama, J; Korpimäki, E; Arroyo, B; Beja, P; Bretagnolle, V; Bro, E; Kenward, R; Mañosa, S; Redpath, SM; Thirgood, S; Viñuela, J
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err收藏
Year- and sex-dependent effects of experimental brood sex ratio manipulation on fledging condition of Eurasian kestrels
errJOURNAL OF ANIMAL ECOLOGY
IF3.7
err2004-03-01
err53
errOAAI
errLaaksonen, T; Fargallo, JA; Korpimäki, E; Lyytinen, S; Valkama, J; Pöyri, V
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Limited effects of heavy metal pollution on foraging and breeding success in the curlew (Numenius arquata)
errENVIRONMENTAL POLLUTION
IF7.3
err1998-01-01
err18
PREAI
errCurrie, D; Valkama, J
err分享
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研究方向

暂无研究方向
合作学者
合作期刊
O
Otso Ovaskainen
H 指数: 80 · 论文数: 552
E
Erkki Korpimäki
H 指数: 79 · 论文数: 352
A
Atte Moilanen
H 指数: 79 · 论文数: 229
S
Sı́lvia Lacorte
H 指数: 75 · 论文数: 331
H
Heikki Henttonen
H 指数: 67 · 论文数: 494
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