Project

EWINA: Biogeography of Native and Exotic Earthworm Species across North America

Goal: We aim at making a synthesis of the spatial distribution of native and exotic earthworm species across North America.

We want to tackle questions like :
How many native and exotic species are there in NA?
Where are the native and exotic species? Do they occupy the same ecological niches?
How, when and where did exotic species landed in North America?

Date: 1 January 2018

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Project log

John Warren Reynolds
added a research item
Canadian forests cover 43% of its landmass, which represent 10% of the world's overall forested areas and 30% of the world's boreal forests. There are eight forest regions in Canada plus grassland and tundra. Each forest region is represented by a description, map, earthworm diversity and function. Four appendices summarize: the distribution and diversity earthworms in Canadian forests according to dominant tree species and the Canadian and American soil type systems; earthworms recorded from the eight Canadian forest regions; earthworms recorded from the 10 dominant forest soils; and descriptions of the soil type profiles in Canada from which earthworms have been recorded. A map of the soil orders in Canada is presented. A table summarizes the mean values for morpho-anatomical traits characterizing the most frequent ecological categories with which earthworms are associated. The discussion considers arctic earthworm migration and climate change. Key words: Canada, Oligochaeta, Lumbricidae, Megascolecidae, forest regions, earthworms, distribution, soils, Arctic migration, climate change.
Jérôme Mathieu
added an update
The database is now in good shape with over 50K records over 2500 geographic regions. We are still retrieving old data but any new data is more than welcome.
Stay tuned for the first results!
 
Jérôme Mathieu
added a project goal
We aim at making a synthesis of the spatial distribution of native and exotic earthworm species across North America.
We want to tackle questions like :
How many native and exotic species are there in NA?
Where are the native and exotic species? Do they occupy the same ecological niches?
How, when and where did exotic species landed in North America?