ArticleAmerican journal of botany2020
Relationships between population traits, nonstructural carbohydrates, and elevation in alpine stands of Vaccinium myrtillus.
Article in American journal of botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 17 citations in OpenAlex.
- Influence of elevation and shrub age on element accumulation in Vaccinium myrtillus in the alpine zone of the Low Tatras.Environmental monitoring and assessment · 2026Article
- Transient Effects of Snow Cover Duration on Primary Growth and Leaf Traits in a Tundra Shrub.Frontiers in plant science · 2022Article
- Relationships between population traits, nonstructural carbohydrates, and elevation in alpine stands of Vaccinium myrtillus.American journal of botany · 2020Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
premiseDespite great attention given to the relationship between plant growth and carbon balance in alpine tree species, little is known about shrubs at the treeline. We hypothesized that the pattern of main nonstructural carbohydrates (NSCs) across elevations depends on the interplay between phenotypic trait plasticity, plant-plant interaction, and elevation.
methodsWe studied the pattern of NSCs (i.e., glucose, fructose, sucrose, and starch) in alpine stands of Vaccinium myrtillus (above treeline) across an elevational gradient. In the same plots, we measured key growth traits (i.e., anatomical stem features) and shrub cover, evaluating putative relationships with NSCs.
resultsGlucose content was positively related with altitude, but negatively related with shrub cover. Sucrose decreased at high altitude and in older populations and increased with higher percentage of vascular tissue. Starch content increased at middle and high elevations and in stands with high shrub cover. Moreover, starch content was negatively related with the number of xylem rings and the percentage of phloem tissue, but positively correlated with the percentage of xylem tissue.
conclusionsWe found that the increase in carbon reserves across elevations was uncoupled from plant growth, supporting the growth limitation hypothesis, which postulates NSCs accumulate at high elevation as a consequence of low temperature. Moreover, the response of NSC content to the environmental stress caused by elevation was buffered by phenotypic plasticity of plant traits, suggesting that, under climate warming conditions, shrub expansion due to enhanced plant growth would be pronounced in old but sparse stands.
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