BBC: Non-native plant species are extending the growing season in eastern US forests by an average of four weeks, a study has suggested. There was no difference in the start of growing during the spring, but the report found a noticeable difference between native and non-native species in the autumn. This could have a profound impact on forest ecosystems, such as how soil nutrients are absorbed, the paper says. The findings are published by Nature. "There is a bit of a saying in these parts...
URL: http://www.bbc.co.uk/news/science-environment-17814674
Enclosure: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature11056.html
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