ArticlePlant-environment interactions (Hoboken, N.J.)2022
The long-term effects of invasive earthworms on plant community composition and diversity in a hardwood forest in northern Minnesota.
Article in Plant-environment interactions (Hoboken, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 8 citations in OpenAlex.
- Invasive earthworms can change understory plant community traits and reduce plant functional diversity.iScience · 2024Article
- The long-term effects of invasive earthworms on plant community composition and diversity in a hardwood forest in northern Minnesota.Plant-environment interactions (Hoboken, N.J.) · 2022Article
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3 authors at 2 institutions in 1 country.
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Abstract
Nonnative European earthworms are invading hardwood forests of the Chippewa National Forest, MN. While effects on plant communities at the leading edge of invasion have been studied, little is known about longer-term effects of invasive earthworms. We applied a model using historic O-horizon soil thickness and a chronosequence approach to classify 41 hardwood sites in the Chippewa National Forest as "long-term wormed" (wormed >2 decades), "short-term wormed" or "unwormed/lightly wormed." Graminoids, especially Carex pensylvanica, had the greatest mean percent cover in sites that had been wormed for over two decades. The families with the greatest negative change in mean percent cover after over two decades of earthworm invasion were Asteraceae, Violaceae, and Sapindaceae (specifically Acer species). Across all diversity metrics measured, long-term wormed sites had the lowest understory plant species diversity, short-term wormed sites had intermediate diversity, and unwormed/lightly wormed sites exhibited the highest diversity. Long-term wormed sites had the lowest mean species richness across all sample scales (1-1024 m
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