Ecological investigations of some plant communities in the Cow Green area of Upper Teesdale
The flora of Upper Teesdale contains a large number of "relict" species of disjunct geographical distribution. 'Why is this rich assemblage of species present in Teesdale. It was assumed that arctic alpine and other rare species, supposedly intolerant of competition, were able to surv...
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Durham University
1971
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.585987 |