Influence of land use and site characteristics on invasive plant abundance in the Quinebaug Highlands of southern New England

Lundgren, MR and Small, CJ and Dreyer, GD (2004) Influence of land use and site characteristics on invasive plant abundance in the Quinebaug Highlands of southern New England. Northeastern naturalist, 11 (3). pp. 313-332. ISSN 1092-6194

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Abstract

Invasive exotic plants have been identified as one of the major threats to ecosystem function and biodiversity. This study examined the distribution and abundance (cover and frequency) of invasive plants in natural habitats of the Quinebaug Highlands forest block ( 13,760 ha) of northern Connecticut and southern Massachusetts in relation to current and historical land use and site conditions. Multiple regression and GIS analyses were used to identify areas of high infestation and factors most useful in predicting invasions. Celastrus orbiculatus, Rosa multiflora, and Berberis thunbergii were the most frequent invasives. Past land use was the strongest predictor of invasive cover (r(2) = 0.219) and richness (r(2) = 0.303; p <0.001 both regressions). Current land development and physical soil characteristics were also strongly correlated. These results add to our understanding of factors promoting plant invasions. Because invasive species control in natural areas is time- and resource-intensive, this information may enhance conservation efforts by increasing efficiency in predicting and managing biological invasions.

Item Type: Journal Article
Journal or Publication Title: Northeastern naturalist
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/1100/1105
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 128338
Deposited By: ep_importer_pure
Deposited On: 18 Oct 2018 15:44
Refereed?: Yes
Published?: Published
Last Modified: 16 Jul 2019 02:34
URI: https://eprints.lancs.ac.uk/id/eprint/128338

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