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1. Department of Agriculture and EcologyWeed flora changes in responseto weed control over thelast 100 yearsAssociate Professor Christian AndreasenDepartment of Agriculture…

Documents What is Close-to-Nature Silviculture in a Changing World? Kevin L. O’Hara University of California...

Slide 1What is Close-to-Nature Silviculture in a Changing World? Kevin L. O’Hara University of California - Berkeley Slide 2 What’s in a name? new perspectives retention…

Documents Biological Impacts of a Severn Barrage Les Batty.

Biological Impacts of a Severn Barrage Les Batty Outline A. How important is the Severn? B. The features of an estuary C. What would change with a barrage? D. What would…