Season extends increase forest exotic
Non-native species of plants and extend the growing season in the forests east of the United States, on average, for four weeks, have been proposed study.
There were not differences in the beginning of the growth in the spring, but the report found a significant difference between nonnative and native species in the fall.
He said that this can have a profound impact on forest ecosystems, such as is absorbed nutrients to the soil.
"There is nothing said in this area if you go to raise in March and see something green, then it is one of the invaders," said lead author Jason Fridley, an ecologist at the University of Syracuse, United States of America.
The professor said his experience Fridley, conducted over three years and included more than 70 species, in fact, did not disclose the signal input of nonnative species on native species and the paper before spring
