Timberline meadows along a 1000‐km transect in <scp>NW N</scp>orth <scp>A</scp>merica: species diversity and community patterns

Wagner, Viktória; Spribille, Toby; Abrahamczyk, Stefan; Bergmeier, Erwin

doi:10.1111/avsc.12045

Cited by 8 publications

(2 citation statements)

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“…A partial data set for this study, including data for bedrock meadows, timberline meadows (Wagner et al, 2014), maritime mountain meadows (Roemer, 1996/97; Fairbarns, 2001–2019), and prairie grasslands (Zapisocki, 2021; Zapisocki et al, 2022) can be retrieved from the Zenodo repository (DOI: https://doi.org/10.5281/zenodo.7277936). The remaining published data sets can be retrieved from the original sources (Damm, 2001; Waterton‐Glacier National Park, 1994–2002; Hop et al, 2007).…”

Section: Data Availability Statementmentioning

confidence: 99%

“…Despite the value of grasslands and meadows, researchers have paid them less attention compared to the vast and economically important forests. However, open vegetation types that have been studied in northwestern North America include foothill grasslands, profitably used as rangelands, grasslands of the intermountain (Root & Habeck, 1972; Mueggler & Stewart, 1980; Averett et al, 2020) and adjacent prairie regions (Moss & Campbell, 1947; Adams et al, 2013; Zapisocki, 2021; Zapisocki et al, 2022), timberline meadows, and alpine grasslands (Franklin et al, 1971; Hämet‐Ahti, 1978; Wagner et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Bedrock meadows: A distinct vegetation type in northwestern North America

Pätsch

Zoey

Daniel

et al. 2022

Applied Vegetation Science

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Aims:In northwestern North America, montane meadows fed by vernal ground-flow seepage occur scattered throughout an otherwise forested landscape on shallow soils over bedrock. Although their significance for biodiversity has been known, they have never been subject to systematic scientific research and thus, are not included in regional or national vegetation classification schemes. We provide the first vegetation survey of bedrock meadows and compare them to other major non-forest vegetation types in the region.Study area: Northwestern North America (United States, Canada). Methods:We surveyed 110 plots of bedrock meadow vegetation in Montana, Idaho, and British Columbia and compared them with data from 1052 plots from six studies of other open vegetation in the region: prairie and foothill grasslands, maritime mountain, alpine, and timberline meadows. We used cluster analysis to identify groups based on vascular plant composition, related abiotic and structural characteristics to clusters using non-metric multidimensional scaling (NMDS), and compared proportions of plant growth forms and life spans.Results: Cluster analysis identified five groups, with bedrock meadows forming a distinct community. According to the NMDS, bedrock meadows had a high cover of vascular plants, bryophytes, and lichens and a low cover of litter. Their climate was intermediate between maritime mountain and interior timberline meadows. A distinct functional feature of bedrock meadows was their high proportions of annual plants (therophytes) and plants regenerating from bulbs and corms (geophytes)-a functional composition they shared with maritime mountain meadows. Conclusion:Bedrock meadows have distinct floristic, functional, and environmental features, are important hotspots for biodiversity, and host several rare plant species.They are an important habitat for conservation and environmental impact assessment and should be incorporated into regional and national classification schemes. Future research priority should be given to understanding their spatial extent, ecological functioning, and drivers of non-vascular and vascular species richness.

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Section: Data Availability Statementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bedrock meadows: A distinct vegetation type in northwestern North America

Pätsch

Zoey

Daniel

et al. 2022

Applied Vegetation Science

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Climatic gradients within temperate Europe and small-scale species composition of lichen-rich dry acidophilous Scots pine forests

et al. 2015

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Global patterns of vascular plant alpha diversity

et al. 2022

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Global patterns of regional (gamma) plant diversity are relatively well known, but whether these patterns hold for local communities, and the dependence on spatial grain, remain controversial. Using data on 170,272 georeferenced local plant assemblages, we created global maps of alpha diversity (local species richness) for vascular plants at three different spatial grains, for forests and non-forests. We show that alpha diversity is consistently high across grains in some regions (for example, Andean-Amazonian foothills), but regional ‘scaling anomalies’ (deviations from the positive correlation) exist elsewhere, particularly in Eurasian temperate forests with disproportionally higher fine-grained richness and many African tropical forests with disproportionally higher coarse-grained richness. The influence of different climatic, topographic and biogeographical variables on alpha diversity also varies across grains. Our multi-grain maps return a nuanced understanding of vascular plant biodiversity patterns that complements classic maps of biodiversity hotspots and will improve predictions of global change effects on biodiversity.

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Timberline meadows along a 1000‐km transect in NW North America: species diversity and community patterns

Abstract: Abbreviations AIC = Akaike information criterion; FET = Fisher's exact test; NMDS = non-metric multidimensional scaling; UPGMA = unweighted pair group method with arithmetic mean

Cited by 8 publications

References 37 publications

Bedrock meadows: A distinct vegetation type in northwestern North America

Bedrock meadows: A distinct vegetation type in northwestern North America

Climatic gradients within temperate Europe and small-scale species composition of lichen-rich dry acidophilous Scots pine forests

Global patterns of vascular plant alpha diversity

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