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Response of endemic and exotic earthworm communities to ecological restoration

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Date
2016-11
Type
Journal Article
Abstract
Land conversion and environmental changes associated with agronomic practices are believed to have led to the disappearance of New Zealand endemic earthworms from agricultural land. Introduced European earthworms have since largely replaced endemic species in farming systems. We investigated the impact of vegetation restoration on earthworm communities. Recolonization by endemic earthworms increased with time after restoration at two studied sites in the South Island of New Zealand. However, exotic species did not disappear with restoration of native vegetation, even after 30 years. The persistence of exotic species leads to the cohabitation of the two communities and potential for interspecific competition.
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© 2016 Society for Ecological Restoration
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