“Ghost ponds” are ponds that were filled with soil while still wet, back in the 19th and 20th centuries. 173 more words
Tags » Ecology
Humanity makes a staggering amount of trash, so much so that one of the great social quests of the next century will be changing how we deal with it. 321 more words
I subscribe to the Geographic, and this story caught my attention.
Occupancy surveys are widely used in ecology to study wildlife and plant habitat use. To account for imperfect detection probability many researchers use occupancy models. But occupancy probability estimates for rare species tend to be biased because we’re unlikely to observe the animals at all and as a result, the data aren’t very informative. 89 more words
Species extinctions are currently occurring at rates that greatly outpace those predicted from the fossil record1. 1,269 more words