ArticleAmerican journal of botany2021
Effects of ambient climate and three warming treatments on fruit production in an alpine, subarctic meadow community.
Article in American journal of botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Apple production under changing climate conditions in major producing countries.Scientific reports · 2026Article
- Maize Intercropping in the Traditional "Life (Basel, Switzerland) · 2022Article
- Preceding Phenological Events Rather than Climate Drive the Variations in Fruiting Phenology in the Desert ShrubPlants (Basel, Switzerland) · 2022Article
- Effects of ambient climate and three warming treatments on fruit production in an alpine, subarctic meadow community.American journal of botany · 2021Article
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Authors and funding
7 authors.
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Abstract
premiseClimate change is having major impacts on alpine and arctic regions, and inter-annual variations in temperature are likely to increase. How increased climate variability will impact plant reproduction is unclear.
methodsIn a 4-year study on fruit production by an alpine plant community in northern Sweden, we applied three warming regimes: (1) a static level of warming with open-top chambers (OTC), (2) press warming, a yearly stepwise increase in warming, and (3) pulse warming, a single-year pulse event of higher warming. We analyzed the relationship between fruit production and monthly temperatures during the budding period, fruiting period, and whole fruit production period and the effect of winter and summer precipitation on fruit production.
resultsYear and treatment had a significant effect on total fruit production by evergreen shrubs, Cassiope tetragona, and Dryas octopetala, with large variations between treatments and years. Year, but not treatment, had a significant effect on deciduous shrubs and graminoids, both of which increased fruit production over the 4 years, while forbs were negatively affected by the press warming, but not by year. Fruit production was influenced by ambient temperature during the previous-year budding period, current-year fruiting period, and whole fruit production period. Minimum and average temperatures were more important than maximum temperature. In general, fruit production was negatively correlated with increased precipitation.
conclusionsThese results indicate that predicted increased climate variability and increased precipitation due to climate change may affect plant reproductive output and long-term community dynamics in alpine meadow communities.
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