Range of Values from Different Studies
Studies
Per hectare
per year
Credit River Watershed (1)
$3,911
Lake Simcoe Watershed (3)
$ 2,948
Ontario Greenbelt (1)
$3,487
Wetland Studies High (2)
$ 24, 330
Wetland Studies Low (2)
$ 5,792
Burns Bog (Fraser Valley) (2)
$ 31,375
Phosphorous and Nitrogen
Filter (Wetland) (2)
$425 - $1,270
Canadian Boreal Initiative
(Peat-Wetlands Water filter and flood control) (2)
$77 Billion per annum
total area
Notes: (1)
Kennedy, M & Wilson, J (2009 Power pt on preliminary report);
(2) Olewiler,
N (2004) ; (3) Wilson, S. (2008)
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