?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F49%2F&rft.title=Factors+associated+with+trends+in+bare+ground+in+high+country&rft.creator=North%2C+Heather&rft.creator=Russell%2C+Ken&rft.creator=Rodney%2C+Weber&rft.subject=None%2FOther&rft.description=Environment+Canterbury+has+responsibility+for+promoting+sustainable+management+++of+the+region%E2%80%99s+natural+resources.+Soil+erosion+in+the+Canterbury+high+country+has+been+a+long-term+concern%2C+and+was+the+subject+of+the+problem+brought+to+MISG.+Pre-European+and+early+European+burning+and+grazing+not+only+induced+large+tracts+of+tussock+grassland+in+areas+that+were+previously+wooded%2C+but+also+exposed+areas+of+soil+to+further+erosion+by+wind%2C+rain+and+frost.+In+the+1960s+to+1980s+the+government+encouraged+de-stocking+on+some+properties%2C+with+the+aim+of+restoring+vegetative+cover.+In+the+late+1970s%2C+a+monitoring+programme+was+set+up+in+parts+of+the+Canterbury+high+country+to+track+the+effects+of+lowered+grazing+levels.&rft.date=2005&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F49%2F1%2Fground_efs.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F49%2F2%2Fground_rpt.pdf&rft.identifier=++North%2C+Heather+and+Russell%2C+Ken+and+Rodney%2C+Weber++(2005)+Factors+associated+with+trends+in+bare+ground+in+high+country.++%5BStudy+Group+Report%5D+++++