2015
DOI: 10.1139/cjz-2014-0197
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Spatial patterns and spread of exotic earthworms at local scales

Abstract: Given the substantial impacts of non-native species on invaded systems, an understanding of the rates and spatial patterns of invasive spread is critical. Spread may vary across spatial scales, with dispersal of invasive species occurring both via diffusive spread at local sites and long-distance jump dispersal at larger scales. Research on earthworm invasions in North American forests has focused on patterns of spread across landscapes, with less examination of spread at local sites. We sampled the exotic ear… Show more

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Cited by 19 publications
(9 citation statements)
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“…Although slow, dispersal and therefore colonization can take place over the years (Eijsackers, 2011). Furthermore, passive dispersal by, e.g., tires of (agricultural) vehicles (Marinissen and van den Bosch, 1992;Cameron and Bayne, 2014), waterways and animals (e.g. birds) (Schwert, 1980) plays a role in earthworm movement.…”
Section: Landscapementioning
confidence: 99%
“…Although slow, dispersal and therefore colonization can take place over the years (Eijsackers, 2011). Furthermore, passive dispersal by, e.g., tires of (agricultural) vehicles (Marinissen and van den Bosch, 1992;Cameron and Bayne, 2014), waterways and animals (e.g. birds) (Schwert, 1980) plays a role in earthworm movement.…”
Section: Landscapementioning
confidence: 99%
“…Schneider et al (2016) cautioned that the performance of SDMs for earthworms may vary when comparing earthworms across functional groups. Cameron and Bayne (2014) also noted that spatial links between earthworms and roads should weaken as invasions 'mature' and the distribution of invasive earthworms is limited more so by the environmental factors affecting survival and reproduction than dispersal.…”
Section: Refuges From Invasionmentioning
confidence: 99%
“…Winter temperature limits the distribution and range expansion of non-native earthworms, which are generally intolerant of freezing (Cameron et al 2007). Other environmental attributes (e.g., litter quality and pH) and dispersals facilitated by natural disturbances (wildfires) and human activities (e.g., road construction, fish bait abandonment) could also influence the spread of these earthworms in the boreal (e.g., Addison 2009;Cameron and Bayne 2014;Saltmarsh et al 2016).…”
Section: Non-native Speciesmentioning
confidence: 99%