Category Archives: Uncategorized

Goats at work in Michigan

Ottawa County parks in Michigan got their first goat herd to do some invasive plant clearing, http://www.mlive.com/news/grand-rapids/index.ssf/2014/05/goats_already_hard_at_work_in.html. Use of goats (or other livestock) for controlling invasive plants isn’t a new technique, but it has been regaining popularity. My dad and co-author used … Continue reading

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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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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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South American Invasive Plants

I’m in Argentina for six weeks, and it’s been interesting observing what species invasive here are well-known to me from North America.  One of the best ways of predicting species’ invasiveness is by knowing if they are invasive elsewhere after … Continue reading

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Invasive Plants and Biodiversity

Finally a study specifically addresses why some invasive plant studies show a decrease in biodiversity, and some show an increase or no change in biodiversity.  Not surprisingly, scale matters.  If you walk through a forest heavily invaded by non-native shrubs, … Continue reading

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