A comparison of landscapes occupied by increasing and decreasing populations of grassland birds.
- Published 2006 in Conservation biology : the journal of the Society…
Abstract
For several decades, many grassland bird species have been declining in abundance throughout the Midwest and Great Plains regions of the United States, possibly due to loss of natural grassland habitat and increasing urbanization. I used 20 years of data from the North American Breeding Bird Survey to identify increasing, decreasing, and stable populations… (More)
