One Bison Effect

Mar6, 08 at 1346

I was reading a scientific article on how Bison are a keystone species in the Konza prairie (located in northeastern Kansas) and the various effects they have on the ecosystem there from eating dominant grasses and thereby increasing biodiversity, to a direct effect on the nitrogen cycle with physical landscape changes (wallows) in there for [...]

A Pisaster Disaster?

Feb20, 08 at 1017

In intro level classes, you don’t expect to hear about Pisaster ochraceous more than once in a day in more than one class. After all, how many classes can discuss a specific sea star without being off topic?
I must excuse my ecology class. The experiment by Robert Paine determining the role of Pisaster in shaping [...]