Evidence map›Paper›PMID 40360849›Full record

ArticleAmbio2025

Reconstructing the historical decline of lichen cover across the reindeer fence of the Finnish-Norwegian border.

Tuomo Wallenius, Jarle W Bjerke, Rasmus Erlandsson, Tiina H M Kolari, Aleksi Räsänen, Teemu Tahvanainen, Hans Tømmervik, Emelie Winquist, Tarmo Virtanen

Abstract read
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In one paragraph

Article in Ambio, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Tuomo WalleniusUniversity of Helsinki, Biocenter 3, Viikinkaari 1, P.O. Box 65, 00014, Helsinki, Finland. tuomo.wallenius@helsinki.fi.ORCID http://orcid.org/0009-0008-6034-6691
Jarle W BjerkeDepartment of Arctic Ecology, FRAM -High North Research Centre for Climate and the Environment, Norwegian Institute for Nature Research (NINA), P.O. Box 6606, 9296, Langnes, Tromsø, Norway.
Rasmus ErlandssonDepartment of Ecology, Environment and Plant Sciences, Stockholm University, 106 91, Stockholm, Sweden.
Tiina H M KolariCentre de recherche sur la dynamique du système Terre (GEOTOP), Université du Québec à Montréal, C.P. 8888, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada.
Aleksi RäsänenGeography Research Unit, University of Oulu, Pentti Kaiteran Katu 1, PL 8000, 90014, Linnanmaa, Finland.
Teemu TahvanainenDepartment of Environmental and Biological Sciences, University of Eastern Finland, Yliopistokatu 7, P.O. Box 111, 80101, Joensuu, Finland.
Hans TømmervikDepartment of Arctic Ecology, FRAM -High North Research Centre for Climate and the Environment, Norwegian Institute for Nature Research (NINA), P.O. Box 6606, 9296, Langnes, Tromsø, Norway.
Emelie WinquistUniversity Centre in Svalbard, P.O. Box 156, 9171, Longyearbyen, Svalbard, Norway.
Tarmo VirtanenUniversity of Helsinki, Biocenter 3, Viikinkaari 1, P.O. Box 65, 00014, Helsinki, Finland.

Funding

Horizon 2020 Framework Programme 869471
6 · The paper itself

Abstract

We analysed the history behind the current contrasting lichen covers of two adjacent reindeer herding districts at the Finnish-Norwegian border. We conducted vegetation field inventories across the border fence and reconstructed a lichen cover history from 1959 to 2020 using aerial and satellite images. The oldest images showed only a slight difference in lichen cover between the different sides of the border fence. Since the late 1950s, lichen cover has decreased in both districts. At present, lichen biomass is approximately three times greater in in the Norwegian winter pasture than in the Finnish herding district, which has less strictly defined seasonal pastures. A lichen biomass model indicated that lichen intake by reindeer cannot explain the decline in lichen biomass in either of the districts. We suggest that the lichen decline is mainly due to trampling and foraging-induced loss, while other unknown ecological and climatological factors may also be involved.

Indexed as

Conservation of Natural ResourcesLichensReindeerAnimalsBiomassEcosystemFinlandNorwaySeasonsGrazingHerdingLichenReindeerRemote sensing

Identifiers

PMID40360849
PMCPMC12405101

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.