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The invasive plant Melilotus alba in Alaska: Potential impacts on native willow biochemistry and competitive ability among populations

Dates

Year
2009

Citation

Sowerwine, James, 2009, The invasive plant Melilotus alba in Alaska: Potential impacts on native willow biochemistry and competitive ability among populations: University of Alaska Anchorage.

Summary

Invading plants may cause biochemical changes to native plants by altering resource availability, thereby also changing the forage quality of native plants for native browsers. I measured plant growth, carbon and nitrogen content, and tannin and total phenolic production, which generally lower forage quality, in the boreal native Salix alaxensis under differing scenarios of invasion by nitrogen-fixing Melilotus alba . Additionally, I evaluated whether different populations of M. alba in Alaska suspected of having different introduction histories varied in competitive ability. I found that in this common garden experiment shading and soil nitrogen levels consistent with those found in M. alba populations did not significantly negatively [...]

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6127 records
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NWBLCC-20160503-Saved.xml

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