Mongabay: The Amazons freshwater ecosystems are at risk because current policy and existing protected areas fail to protect the connectivity of the water cycle, scientists warn. The new study, published in Global Change Biology, examines the factors degrading the Amazon basins hydrological connectivity: the movement of water and with it the life-giving matter, nutrients and organisms it carries between the vast systems headwaters and the Atlantic Ocean, between the rivers and the forest, and the earth...