Up To Us

Posted on 1 CommentPosted in Where We Are

  The polar ice caps will melt completely in twenty years reports the Guardian (1). When this happens, the absent icecaps will no longer affect only the polar bears or penguins or dozens of other species. Without the cooling effect of the ice caps, global warming will accelerate, with all its attendant impacts hitting the […]

Red Devil Crayfish and the Heni’s Emerald Dragonflies

Posted on 18 CommentsPosted in Nature dynamics

Predators usually decrease the number of their prey. The opposite happens with the Heni’s emerald dragonflies (Somatochlora hineana), whose populations are larger when their predators the Red devil crayfish (Cambrus diogenes) is around. Heni’s emerald dragonfly is the only endangered dragonfly in the United States of America. Endangered species are organisms that are likely to […]