Constructed Borrow-Pit Wetlands as Habitat for Aquatic Birds in the Peace Parkland, Canada

Table 1

Percent of 200 borrow-pit ponds occupied by at least one species of aquatic bird during surveys in May, June, July, and August 2007 in agricultural (0–33.3% forest within a 500 m pond buffer, n = 91), mixed habitat (33.4–66.6% forest, n = 44), and forested (66.7–100% forest, n = 65) landscapes in the Peace Parkland, Alberta.

Landscape type	Survey month
	May	June	July	August
Agriculture	87.9	72.5	76.9	80.2
Mixed habitat	95.5	84.1	84.1	79.6
Forest	89.2	81.5	81.5	80.0
All ponds	90.0	78.0	80.0	80.0