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dc.contributor.authorGreer, Glenen
dc.contributor.authorSheppard, R. L.en
dc.date.accessioned2007-12-04T03:35:03Z
dc.date.issued1990-03en
dc.identifier.issn1170-7682en
dc.identifier.urihttps://hdl.handle.net/10182/178
dc.description.abstractClematis vitalba, or Old Man's Beard is a weed which is invading New Zealand's native bush. Introduced as a garden species, it has now spread into native bush in many areas of the country and is regarded as a very serious threat to native forests. The plant, a deciduous vine, climbs existing vegetation, smothering and eventually killing the trees below it. Present control measures include chemical application and hand~cutting or pulling, but the weed is still spreading in many areas. Consequently scientists are considering implementation of a research program with the aim of identifying and introducing biological agents which would control Clematis vitalba. An economic evaluation, undertaken to determine whether such research is justified, is the subject of this report.en
dc.format.extent1-64en
dc.language.isoenen
dc.publisherLincoln University. Agribusiness and Economics Research Uniten
dc.relationThe original publication is available from - Lincoln University. Agribusiness and Economics Research Unit - http://hdl.handle.net/10182/178en
dc.relation.ispartofseriesResearch Report, No. 203en
dc.subjectbiological controlen
dc.subjectweed controlen
dc.subjectOld Man's Bearden
dc.subjectClematis vitalba L.en
dc.titleAn economic evaluation of the benefits of research into biological control of Clematis vitalbaen
dc.typeMonograph
dc.subject.marsdenFields of Research::340000 Economics::340200 Applied Economics::340201 Agricultural economicsen
lu.contributor.unitLincoln Universityen
lu.contributor.unitAgribusiness and Economics Research Uniten
dc.subject.anzsrc1402 Applied Economicsen
pubs.organisational-group/LU
pubs.organisational-group/LU/Agribusiness & Economics Research Unit
pubs.publication-statusPublisheden
pubs.publisher-urlhttp://hdl.handle.net/10182/178en
dc.publisher.placeLincoln, Canterburyen
lu.identifier.orcid0000-0002-1478-3486


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