Invasive Plant Guide
Sylvan Kaufman and Wallace Kaufman are the authors of Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species published by Stackpole Books. Here we update you on the latest research, control techniques, news and issues surrounding invasive plants.-
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Author Archives: Sylvan Kaufman
Glyphosate in soils and water
In a massive study of soil and water samples from across the US, researchers frequently found low levels of glyphosate and its byproduct aminomethylphosphonic acid (AMPA). The concentrations are below levels considered harmful to humans and wildlife, but little information is available … Continue reading
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Seed germination following herbicide treatment
Don’t rush to plant following herbicide application according to a new article published in Restoration Ecology. In pots in a greenhouse experiment sprayed with aminopyralid or picloram at the recommended rate, native forb and grass seeds from a dry NW grassland … Continue reading
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Bushkiller Vine found in Maryland
Bushkiller vine, Cayratia japonica, has been found at 2 sites in Maryland, one in Anne Arundel Co. and the other in Baltimore (K. Kyde, MD DNR, 11/21/13). These are the northernmost known occurrences of this plant. This vine looks a … Continue reading
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Is the cost of Phragmites control worth it?
In a survey of 285 land managers in the U.S., researchers found that they spent nearly $4 million dollars per year on control of non-native Phragmites australis on 89,000 ha but few were happy with the results of their control … Continue reading
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Invasives in British forests
The magazine “Wood Wise” from Great Britain has an issue on managing invasive species (mostly plants) in woodlands. They cover several species also considered invasive in North America, giant hogweed and Himalayan balsam, and several species native to North America … Continue reading
Posted in Detection and Control
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Definitions
The Smithsonian Ecological Research Center’s Marine Invasions Research Lab tackles the interesting question of what the definition of an invasive species is, http://www.serc.si.edu/labs/marine_invasions/feature_story/April_2013.aspx. Does it depend on how it was introduced, how long it has been here, or what effects it … Continue reading
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Factors that make temperate forests susceptible to invasion
Higher light availability, later spring leaf-out, and higher soil nitrate levels in intact forests all correlate with a greater abundance of invasive plants. The authors of this study looked at interior forest understories where different canopy species resulted in different … Continue reading
Posted in New England, Research, Robinia pseudoacacia
Tagged invasion, resources, Robinia pseudoacacia, temperate forests
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Invasive Species humor
The Illinois Invasive Species Awareness Week blog has just posted a new installment on invasive species humor! This one focuses on illustrations, http://illinoisisam.blogspot.com/2013/02/the-hunt-for-invasive-species-slogans.html.
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