. BIA forest lands of North and South Dakota, 1996 [microform]. Forests and forestry North Dakota; Forests and forerstry South Dakota; Indian reservations North Dakota; Indian reservations South Dakota. • On a per acre basis, growing-stock mortality averaged cubic feet per acre per year from 1980 to 1995 on BIA timberlands. Thus, nearly 41 percent of the annual gross growth of growing stock was lost to mortality. • Average annual removals of growing stock between 1980 and 1995 was cubic feet per acre per year. • BIA forests provide food, cover, and protection for a vast array of wildli
. BIA forest lands of North and South Dakota, 1996 [microform]. Forests and forestry North Dakota; Forests and forerstry South Dakota; Indian reservations North Dakota; Indian reservations South Dakota. • On a per acre basis, growing-stock mortality averaged cubic feet per acre per year from 1980 to 1995 on BIA timberlands. Thus, nearly 41 percent of the annual gross growth of growing stock was lost to mortality. • Average annual removals of growing stock between 1980 and 1995 was cubic feet per acre per year. • BIA forests provide food, cover, and protection for a vast array of wildlife species from elk to turkey. In addition, they improve water quality and control streambank erosion and sedimentation. Land classified as nonforest with trees was estimated at 5 thousand acres on BIA lands in North Dakota in 1994 and at 52 thousand acres on BIA lands in South Dakota in 1996. Examples of nonforest land with trees would include windbreaks, wooded strips, improved pastures with trees, and wood pastures. Typically, nonforest land with trees offers few possibilities for commercial use. However, such land does offer many benefits including soil erosion control (improved water quality), rural buildings and land protection (improved quality of life), shade for livestock, and shelter and food for wildlife. FOREST TYPE COMPOSITION FOREST AREA In 1994, BIA lands in North Dakota were estimated at 246 thousand acres, and 48 thousand acres or 20 percent were forested. In 1996, South Dakota BIA lands were estimated at million acres of which 99 thousand acres or 4 percent were forested. Total area of timberland on BIA land was estimated at 39 thousand acres in North Dakota and 93 thousand acres in South Dakota. Woodland area on BIA lands was estimated at 9 thousand acres for North Dakota and 6 thousand acres for South Dakota. Hardwood forest types dominate the forest landscape on North Dakota BIA timberlands. In fact, only three forest types were recorded during th
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