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The distribution of Carrichtera annua in Australia: Introduction, spread and probable limits

Cooke, Julia; Groves, R.H.; Ash, Julian

Description

Carrichtera annua (L.) DC. (Brassicaceae) or Ward's Weed, a major weed of semi-arid rangelands of southern Australia, has been collected widely since its introduction early in the 20th century. Collated records were used to suggest a single site of accidental introduction in South Australia, evidence of a lag phase of ∼30 years (probably due to edaphic restrictions) before rapid spread, involving infrequent long-distance human-aided dispersal across southern Australia and a relatively stable...[Show more]

dc.contributor.authorCooke, Julia
dc.contributor.authorGroves, R.H.
dc.contributor.authorAsh, Julian
dc.date.accessioned2015-12-10T23:31:30Z
dc.identifier.issn1036-9872
dc.identifier.urihttp://hdl.handle.net/1885/68659
dc.description.abstractCarrichtera annua (L.) DC. (Brassicaceae) or Ward's Weed, a major weed of semi-arid rangelands of southern Australia, has been collected widely since its introduction early in the 20th century. Collated records were used to suggest a single site of accidental introduction in South Australia, evidence of a lag phase of ∼30 years (probably due to edaphic restrictions) before rapid spread, involving infrequent long-distance human-aided dispersal across southern Australia and a relatively stable range since the 1960s. Climate and soil analyses suggest that abiotic factors limit the distribution of C. annua, with the species being restricted to areas with winter-dominated rainfall and calcareous soils. Documentation of the history of a successful invasion, including the spread and probable limits of the current distribution of a species, is important for managing invasions. This study also highlights that a single, accidental introduction can result in a long-lasting, widespread problematic weed.
dc.publisherAustralian Rangeland Society
dc.sourceThe Rangeland Journal
dc.subjectKeywords: Brassicaceae; Carrichtera annua climate; exotic; invasive; Mediterranean; soil type; weed.
dc.titleThe distribution of Carrichtera annua in Australia: Introduction, spread and probable limits
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume33
dc.date.issued2011
local.identifier.absfor060208 - Terrestrial Ecology
local.identifier.ariespublicationf2965xPUB1791
local.type.statusPublished Version
local.contributor.affiliationCooke, Julia, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationGroves, R.H., CSIRO Plant Industry
local.contributor.affiliationAsh, Julian, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue1
local.bibliographicCitation.startpage23
local.bibliographicCitation.lastpage35
local.identifier.doi10.1071/RJ10001
local.identifier.absseo970106 - Expanding Knowledge in the Biological Sciences
dc.date.updated2016-02-24T08:17:27Z
local.identifier.scopusID2-s2.0-79953082791
CollectionsANU Research Publications

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