publication . Article . Other literature type . 2015

Non-native earthworms promote plant invasion by ingesting seeds and modifying soil properties.

Clause, Julia; Forey, Estelle; Lortie, Christopher J.; Lambert, Adam M.; Barot, Sébastien;
Open Access English
  • Published: 01 Apr 2015
  • Publisher: HAL CCSD
Abstract
International audience; Earthworms can have strong direct effects on plant communities through consumption and digestion of seeds, however it is unclear how earthworms may influence the relative abundance and composition of plant communities invaded by non-native species. In this study, earthworms, seed banks, and the standing vegetation were sampled in a grassland of central California. Our objectives were i) to examine whether the abundances of non-native, invasive earthworm species and non-native grassland plant species are correlated, and ii) to test whether seed ingestion by these worms alters the soil seed bank by evaluating the composition of seeds in cas...
Subjects
Medical Subject Headings: food and beverages
free text keywords: Californian grassland, Earthworm casts, Feedback, Interactions, Seed bank, Invasive species, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Agronomy, Soil seed bank, Earthworm, biology.organism_classification, biology, Species richness, Revegetation, Phalaris aquatica, Introduced species, Plant community, Ecosystem engineer, Ecology
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publication . Article . Other literature type . 2015

Non-native earthworms promote plant invasion by ingesting seeds and modifying soil properties.

Clause, Julia; Forey, Estelle; Lortie, Christopher J.; Lambert, Adam M.; Barot, Sébastien;