The economic impact of three invasive, exotic weeds--diffuse, spotted, and Russian knapweed (Centaurea diffusa, C. maculosa, and Acroptilon repens)--on Montana's economy was estimated using a procedure developed for another invasive weed species. Published data and that from a survey of county...

Over one-half (57%) of the 1,757 respondents to a random survey of North Dakota households agree that all remaining natural wetlands in the state should be preserved. Nearly two- thirds (63%) of the respondents support compensating landowners for preserving wetlands. However, the amount most...

The economic impact of three invasive, exotic weeds--diffuse, spotted, and Russian knapweed (Centaurea diffusa, C. maculosa, and Acroptilon repens)--on Montana's economy was estimated using a procedure developed for another invasive weed species. Published data and that from a survey of county...