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Tervetuloa käyttämään Jukuria, Luonnonvarakeskuksen (Luke) avointa julkaisuarkistoa. Jukurissa on tiedot Luken julkaisutuotannosta. Osa julkaisuista on vapaasti ladattavissa. Luken muodostaneiden tutkimuslaitosten aikaisemmasta julkaisutuotannosta osan tiedot ovat järjestelmässä jo nyt ja kattavuus paranee jatkuvasti.

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Viimeksi tallennetut

  • Peat cutaway properties define after-use options and capacity for climate regulation
    Maanavilja, Liisa; Allonen, Oona; Aro, Lasse; Sutinen, Heikki; Vähäkuopus, Tuija; Laine, Anna M.
    Environmental management : 5 (Springer Nature, 2026)
    Mitigating climate change and halting biodiversity loss require sustainable after-use strategies for peat extraction sites. This study evaluates the climate regulation potential of post-extraction land use using two peat cutaway sites in South Ostrobothnia, Finland, as case examples. The land use portfolio examined includes afforestation (conventional and short-rotation), peatland restoration, creation of open-water wetlands, conventional agriculture, reed canary grass cultivation and paludiculture. First, we mapped all suitable areas for each land use at the two case study sites, based on detailed spatial data on surface elevation, peat thickness and subsoil characteristics. Second, we calculated the climate warming impact of each land use based on published greenhouse gas flux and biomass estimates using REFUGE4, a climate impact model. Third, we assessed the climate impact of land-use scenarios aligned with five different objectives: climate regulation, ecological restoration, food production, timber production, and peat-replacing biomass production. This allowed us to explore how landowners’ preferences or policy choices may influence climate outcomes. The results suggest that various climate-wise land use combinations are feasible after peat extraction, depending on site-specific conditions and landowner and policy preferences. We propose that tailoring land use to site characteristics and using strategic damming and ditching to create a multi-habitat landscape can provide both economic and ecological benefits. However, substantial knowledge gaps remain regarding greenhouse gas fluxes from post-extraction land uses.
  • Greenhouse gas emissions in Finland 1990 to 2024 : National Inventory Document under the UNFCCC and Paris Agreement
    Forsell, Pia; Grönfors, Kari; Lindh, Päivi; Maljanen, Ville; Myllymaa, Tiina; Niinistö, Sini; Oksanen, Pihla; Piirainen, Tuomas; Purho, Piia; Sanasvuori, Enni; Sandberg, Aleksi; Skoglung, Kai; Yliluoto, Patrick; Damlatzhan, Maisa; Ehonen, Sanna; Haakana, Helena; Haakana, Markus; Heikkinen, Jaakko; Heikkinen, Juha; Heiskanen, Lauri; Myllykangas, Jukka-Pekka; Räty, Anu; Silfver, Tarja; Stenberg, Leena; Tuomainen, Tarja; Vattulainen, Jenni; Vikfors, Sofia; Wall, Antti; Forsberg, Tommi; Koskivaara, Olli; Mikkola-Pusa, Johanna; Munther, Joonas; Niemelä, Markus; Uitto, Paula (Tilastokeskus, 2026)
  • Puna-apilan siemenviljely: Pölyttäjiä suosiva maisema
    Nykänen, Inka; Tolonen, Saara; Kykkänen, Sanna
    Luke tietokortti (Luonnonvarakeskus, 2026)
    Puna-apilan tehokkaimpia pölyttäjiä ovat pitkäkieliset kimalaiset. Ne ovat etenkin avoimien ja puoliavoimien elinympäristöjen lajeja, jotka ovat erikoistuneet hyödyntämään pitkätorvisten kukkien (esim. apilat, virnat) mettä. Puna-apilalohkon tulisi kuulua isompaan peltoalueeseen, jolta löytyy myös viljelemättömiä avoimia ja puoliavoimia alueita. Kukkajatkumon toteutuminen on tärkeää ja mesikasvien tulisi löytyä avoimilta tai puoliavoimilta alueilta. Viljelemättömien avoimien ja puoliavoimien ympäristöjen määrän lisäksi niiden hyvä laatu on tärkeää pitkäkielisille kimalaisille.
  • Impact of Environmental Conditions on the Spawning Migration of Sea Trout (Salmo trutta L.) in Two Large, Sub‐Arctic River Systems
    Lähteenmäki, L.; Romakkaniemi, Atso; Huusko, Riina; Hellström, G.; Orell, Panu; Erkinaro, Jaakko; Rikardsen, A. H.; Jensen, J.; Snickars, M.
    Fisheries management and ecology (Wiley-Blackwell, 2026)
    The global decline in salmonid stocks has increased the need for knowledge of local adaptations and life history strategies of salmonids. In this study, we used radio-telemetry tracking data from sea trout populations in two large high-latitude rivers to model upstream spawning migration speed of trout in response to prevailing environmental conditions and different stages of the migration. The results indicate that studied populations had similar responses to environmental changes, as trout inhabiting both rivers displayed similar responses to variation in discharge, temperature, and migrated distance covered. Higher discharge and temperature had a positive influence on trout migration speed, as did moderate discharge fluctuations. Migration distance influenced movements, as speed increased as trout moved upstream, while speed decreased late in the migration prior to spawning. These results highlight the adaptability of sea trout populations, underlining the importance of stock-specific information on habitat use and migration strategies for targeted management.
  • Rapid increase in abundance and distribution of invasive pink salmon (Oncorhynchus gorbuscha) within a diverse, large Barents Sea catchment
    Erkinaro, Jaakko; Orell, Panu; Fossøy, Frode; Kytökorpi, Mikko; Gjelland, Karl; Johansen, Narve; Domaas, Sigurd; Kuusela, Jorma; Fagard, Pierre; Frøiland, Eirik; Falkegård, Morten
    Journal of fish biology (John Wiley & Sons, 2026)
    Pink salmon originate from the North Pacific area but were introduced into northwest Russia from the late 1950s onwards. Since 2017, the alien species has increased dramatically in abundance and rapidly invaded adjacent areas of the North Atlantic region. In the large Teno River in northernmost Norway and Finland, running to the Barents Sea, various monitoring methods originally designed for assessment of Atlantic salmon populations have been used to observe the development in abundance and distribution of pink salmon in the main stem and in a number of tributaries. In addition, environmental DNA (eDNA) sampling has enabled monitoring of these trends across an even wider set of tributaries. The first observations of pink salmon were made in the 1960s, and variable but mostly low catches were recorded in the following decades. In recent years, the total number of pink salmon entering the Teno system increased rapidly from c. 5000 in 2017 to c. 180,000 in 2023. Initially, the invading pink salmon were occupying the main stem, large tributaries and headwater rivers of the catchment, even up to a distance of 250–350 km from the sea. However, in recent years, a greater number of smaller tributaries have been occupied as demonstrated by eDNA detections and other observations. The largest spawning aggregations of pink salmon have been observed in the main stem of the Teno River. Future development in the abundance and dispersal of pink salmon in the Teno system depends strongly on the extent and success of the mitigation efforts in intercepting and removing pink salmon by a weir and trap close to the estuary.