Earthworms are voracious, attacking the organic part of the soil called humus, which is composed of moss, leaves, tree debris and other organic material. Humus can easily reach a thickness of …

2006年2月7日 · Earthworm, is a segmented worm of phylum Annelida, class Oligochaeta. The class comprises some 14 families, including Lumbricidae, to which the common earthworm …

2022年3月31日 · Now, with help from humans, invasive earthworms are colonizing new areas. And in areas of a forest with more invasive earthworms, there are fewer insects, a new study …

2021年8月29日 · There are now more than 30 species of non-native earthworms in Canada, according to Michael McTavish, a postdoctoral research fellow at the University of Toronto …

In Canada, the proportion of alien earthworms is three times greater than that of native earthworms. Across most of the lower 48 U.S. states and Mexico, there is about one alien …

2008年7月24日 · The widespread invasion of exotic earthworms into Canada’s forests could therefore have global implications. This paper will: summarize the current distribution of exotic …

In Ontario, invasive earthworms can be found across the southern half of the province with some species extending north of the Canadian Shield, mostly where human populations have moved …

2024年6月1日 · In Canada, non-native earthworms include species from Europe, which have been present for hundreds of years, as well as more recent arrivals of species originating from …

2022年10月3日 · taxonomy, nomenclature, morphology, distribution, and general biology and ecology of earthworms in Canada and neighbouring areas. The identity, distribution, and …

2021年6月27日 · In summer 2021, reports were received of "unusual" earthworms in the gardens of private residences in southern Ontario, Canada. Following up on these reports, we provide …