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Development of the Alaska agricultural weed flora 1981–2004: a case for prevention |
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| Authors: | J S CONN N R WERDIN‐PFISTERER K L BEATTIE |
| Institution: | 1. United States Department of Agriculture—Agricultural Research Service, University of Alaska Fairbanks, Fairbanks, Alaska, USA;2. Alaska Biological Research Inc., Fairbanks, Alaska, USA |
| Abstract: | |
| Keywords: | invasion pathways weed community development weed shifts canopy shading crop– weed associations subarctic |