42 results on '"Pakkala, Timo"'
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2. Tree sap as an important seasonal food resource for woodpeckers : the case of the Eurasian three-toed woodpecker ( Picoides tridactylus ) in southern Finland
3. The importance of nesting cavity and tree reuse in the three-toed woodpecker Picoides tridactylus in dynamic forest landscapes
4. The Quantitative Incidence Function Model and Persistence of an Endangered Butterfly Metapopulation
5. Pilot Study of Sap Properties of Norway Spruce (Picea abies (L.) Karst.) Trees Used and Not Used for Sap-Feeding by Three-Toed Woodpeckers (Picoides tridactylus)
6. Indicators of forest biodiversity: which bird species predict high breeding bird assemblage diversity in boreal forests at multiple spatial scales?
7. Dynamics of the Cavities of Grey-Headed Woodpeckers Picus canus Reveal Their Long- and Short-Term Ecological Roles in Boreal Forests
8. The importance of breeding groups for territory occupancy in a declining population of a farmland passerine bird
9. Linking weather and habitat to population dynamics of a migratory farmland songbird
10. Top predator and interference competition modify the occurrence and breeding success of a specialist species in a structurally complex forest environment
11. Population crash of the ortolan bunting Emberiza hortulana in agricultural landscapes of southern Finland
12. Population trends of the Finnish starling Sturnus vulgaris, 1952—1998, as inferred from annual ringing totals
13. Metapopulation Persistence of an Endangered Butterfly in a Fragmented Landscape
14. The effect of isolation on the occurrence of farmland carabids in a fragmented landscape
15. Hole Life: Survival Patterns and Reuse of Cavities Made by the Lesser Spotted Woodpecker Dendrocopos minor
16. Persistence of a keystone microhabitat in boreal forests: Cavities of Eurasian Three-toed Woodpeckers (Picoides tridactylus)
17. Dynamics of the Cavities of Grey-Headed Woodpeckers Picus canus Reveal Their Long- and Short-Term Ecological Roles in Boreal Forests.
18. The survival of cavities made by Eurasian Three-toed Woodpeckers Picoides tridactylus
19. Spatial ecology of the three-toed woodpecker in managed forest landscapes
20. Multiple equilibria in metapopulation dynamics
21. The Quantitative Incidence Function Model and Persistence of an Endangered Butterfly Metapopulation
22. Phloem sap in fire-damaged Scots pine trees provides instant foraging opportunities for Three-toed Woodpeckers Picoides tridactylus : Sav i floemet hos brandskadade tallar ger omedelbart tillgång till föda för tretåiga hackspettar Picoides tridactylus
23. Nest tree characteristics of Grey-headed Woodpeckers (Picus canus) in boreal forests.
24. Nest tree characteristics of the Lesser Spotted Woodpecker (Dendrocopos minor) in boreal forest landscapes.
25. How Important are Nest Cavities Made by the Three-Toed Woodpecker Picoides tridactylus for Cavity-Nesting Forest Bird Species?
26. Is the Eurasian Three-toed Woodpecker Picoides tridactylus a keystone species in boreal forest environments?
27. Three-toed Woodpecker cavities in trees: A keystone structural feature in forests shows decadal persistence but only short-term benefit for secondary cavity-breeders
28. Phloem sap in fire-damaged Scots pine provides instant foraging opportunities for Three-toed Woodpeckers Picoides tridactylus
29. The habitat and spatial relations of breeding Phylloscopus warblers and the goldcrest Regulus regulus in southern Finland
30. A comparison of different methods in censusing the hazel grouse
31. The Importance of Nesting Cavity and Tree Reuse in the Three-Toed WoodpeckerPicoides tridactylusin Dynamic Forest Landscapes
32. Nest tree characteristics of the old-growth specialist Three-toed Woodpecker Picoides tridactylus.
33. Spatial ecology of breeding birds in forest landscapes: an indicator species approach
34. Extrapair Paternity and Maternity in the Three-Toed Woodpecker, Picoides tridactylus: Insights from Microsatellite-Based Parentage Analysis
35. The fractal dimension in multiscale biological systems
36. The fractal dimension in biological patterns and processes.Part 1.The geometric background and its basic implications
37. Capercaillie Tetrao urogallus ‐ a good candidate for an umbrella species in taiga forests
38. Developing fine‐grained nationwide predictions of valuable forests using biodiversity indicator bird species.
39. The fractal dimension in multiscale biological systems
40. The fractal dimension in biological patterns and processes.Part 1.The geometric background and its basic implications
41. The fractal dimension in biological patterns and processes. Part I. The geometric background and its implications
42. Patent Issued for Intelligent Lighting Control (USPTO 9736914)
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