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Akademický článek

Insect herbivory dampens Subarctic birch forest C sink response to warming

Autor: Tarja Silfver, Lauri Heiskanen, Mika Aurela, Kristiina Myller, Kristiina Karhu, Nele Meyer, Juha-Pekka Tuovinen, Elina Oksanen, Matti Rousi, Juha Mikola

Publikováno v: Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)

Warming is expected to increase C sink capacity in high-latitude ecosystems, but plant-herbivore interactions could moderate or offset this effect. Here, Silfver and colleagues test individual and interactive effects of warming and insect herbivory i

Externí odkaz: https://doaj.org/article/1728434e63264a9baac674d144800eb6

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Akademický článek

Strong Interactive Effects of Warming and Insect Herbivory on Soil Carbon and Nitrogen Dynamics at Subarctic Tree Line

Autor: Nele Meyer, Tarja Silfver, Kristiina Karhu, Kristiina Myller, Outi-Maaria Sietiö, Eero Myrsky, Elina Oksanen, Matti Rousi, Juha Mikola

Publikováno v: Frontiers in Forests and Global Change, Vol 4 (2021)

Warming will likely stimulate Arctic primary production, but also soil C and N mineralization, and it remains uncertain whether the Arctic will become a sink or a source for CO2. Increasing insect herbivory may also dampen the positive response of pl

Externí odkaz: https://doaj.org/article/1226f23042b2453fa0e0224503fc1ca8

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Akademický článek

Effects of experimental warming on Betula nana epidermal cell growth tested over its maximum climatological growth range.

Autor: Fabian E Z Ercan, Juha Mikola, Tarja Silfver, Kristiina Myller, Elina Vainio, Sandra Słowińska, Michał Słowiński, Mariusz Lamentowicz, Daan Blok, Friederike Wagner-Cremer

Publikováno v: PLoS ONE, Vol 16, Iss 5, p e0251625 (2021)

Numerous long-term, free-air plant growth facilities currently explore vegetation responses to the ongoing climate change in northern latitudes. Open top chamber (OTC) experiments as well as the experimental set-ups with active warming focus on many

Externí odkaz: https://doaj.org/article/6835b782f09e4b269670db692ea59ac8

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Variation in CO2 and CH4 fluxes among land cover types in heterogeneous Arctic tundra in northeastern Siberia

Autor: Sari Juutinen, Mika Aurela, Juha-Pekka Tuovinen, Viktor Ivakhov, Maiju Linkosalmi, Aleksi Räsänen, Tarmo Virtanen, Juha Mikola, Johanna Nyman, Emmi Vähä, Marina Loskutova, Alexander Makshtas, Tuomas Laurila

Publikováno v: Biogeosciences. 19:3151-3167

Arctic tundra is facing unprecedented warming, resulting in shifts in the vegetation, thaw regimes, and potentially in the ecosystem-atmosphere exchange of carbon (C). However, the estimates of regional carbon dioxide (CO2) and methane (CH4) budgets

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::678a6520764a3365798ad11da204c734
https://doi.org/10.5194/bg-19-3151-2022

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Soil organic matter, rather than temperature, determines the structure and functioning of subarctic decomposer communities

Autor: Juha Mikola, Marleena Hagner, Eoin O'Gorman, Sinikka Robinson, Beat Frey

Publikováno v: Global Change Biology. 28:3929-3943

The impacts of climate change on ecosystem structure and functioning are likely to be strongest at high latitudes due to the adaptation of biota to relatively low temperatures and nutrient levels. Soil warming is widely predicted to alter microbial,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8247d6d8cb6acdf9fa79e4b855ac1987
https://doi.org/10.1111/gcb.16158

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Meteorological responses of carbon dioxide and methane fluxes in the terrestrial and aquatic ecosystems of a subarctic landscape

Autor: Lauri Heiskanen, Juha-Pekka Tuovinen, Henriikka Vekuri, Aleksi Räsänen, Tarmo Virtanen, Sari Juutinen, Annalea Lohila, Juha Mikola, Mika Aurela

The subarctic landscape consists of a mosaic of forest, peatland, and aquatic ecosystems and their ecotones. The carbon (C) exchange between ecosystems and the atmosphere through carbon dioxide (CO2) and methane (CH4) fluxes varies spatially and temp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::858026336b72fae2a47eb1ffc7571467
https://bg.copernicus.org/articles/20/545/2023/

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A new method for estimating carbon dioxide emissions from drained peatland forest soils for the greenhouse gas inventory of Finland

Autor: Jukka Alm, Antti Wall, Jukka-Pekka Myllykangas, Paavo Ojanen, Juha Heikkinen, Helena M. Henttonen, Raija Laiho, Kari Minkkinen, Tarja Tuomainen, Juha Mikola

Publikováno v: eISSN

Reporting the greenhouse gas (GHG) emissions from the LULUCF sector in the GHG inventory requires sound methods for estimating both the inputs and outputs of carbon (C) in managed ecosystems. Soil CO2 balance of forests consists of the CO2 released f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a9569e8bb2e28fa27ae5494be709f1d
https://doi.org/10.5194/egusphere-2022-1424

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Peatland Heterogeneity Impacts on Regional Carbon Flux and Its Radiative Effect Within a Boreal Landscape

Publikováno v: EPIC3Journal of Geophysical Research: Biogeosciences, 127(9), pp. e2022JG006904, ISSN: 2169-8953

Peatlands, with high spatial variability in ecotypes and microforms, constitute a significant part of the boreal landscape and play an important role in the global carbon (C) cycle. However, the effects of this peatland heterogeneity within the borea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d89a9d122c2cd79958338423420e7e13
https://doi.org/10.1029/2021jg006774

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