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Earthworm And Soil Data For Ottawa National Forest, Blair Orr
Earthworm And Soil Data For Ottawa National Forest, Blair Orr
Michigan Tech Research Data
Two types of analysis were run.
I. Probability of finding L. terrestris in habitat types of the Ottawa National Forests.
Abstract: Parts of the Ottawa National Forest (ONF) provide suitable habitat for invasive earthworms. Extensive earthworm invasion is a relatively recent event on the ONF and this study captures the current state of the earthworm invasion through a four-stage invasive species distribution model (iSDM). The random distribution of earthworms indicates early colonization by earthworms which is moderated by habitat (forest type, soil group, and drainage class). CART modeling was used to determine probability of earthworm invasion. The CART model had …