Leafy spurge (Euphorbia esula L.), a widely established exotic, noxious, perennial weed, is a major threat to the viability of commercial grazing and beneficial outputs of wildlands in the Upper Great Plains. Herbicide treatments are often recommended based upon measures of physical control...

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...

The Devils Lake Basin is a closed basin in which a number of damaging floods have been recorded in recent decades. Flooding occurs in the spring as a result of snowmelt and in the summer as a result of severe summer rainstorms. The main flood problem in the Basin is damage to agricultural land...

Wildlife-related recreation is an important source of economic activity in North Dakota. Using primary, survey-based data, the expenditures and economic impacts of hunters and anglers were summarized for the 1996 hunting/fishing seasons. Total resident and nonresident expenditures (including...

Wildlife is continually being reduced in numbers due to man's activities which are competitive with wildlife for the use of land. The authors hope that this report will assist individuals and groups in making decisions affecting the future population of wildlife.