Browsing US Forest Service by Title
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Major Insect Pests in North Dakota Shelterbelts: Abundance and Distribution by Climate and Host Age
(1969)This study was was carried out from 1963 to 1965 to find out which insects were currently or potentially important to North Dakota shelterbelts, and to determine if their distribution and abundance were influenced by climate ... -
Relationships between Breeding Birds and Vegetation in Four Woodland Types of the Little Missouri National Grasslands
(1986)Bird species richness was greater in the cottonwood woodland type than in the juniper, pine, and ash woodland types. Total breeding bird densities were greatest in the green ash woodland type. The densities of 25 bird ...