Treesearch

Analyzes the impact of the Shawnee National Forest on the socioeconomic structure of 11 counties in southern Illinois. Includes a factor analysis model as well as an assessment of tax losses to local government as a result of the National Forest.

Deer migrations and home range traditions indicated that home range location is determined more by early social experience, learning, and tradition than by an innate ability to select the best habitat. Different deer preferred the same or similar habitat but such selection was a secondary influence on home range location.

Compares rate-response curves of some typical Lake States hardwoods to triclopyr. Estimates the persistence and mobility of triclopyr in forest soil. Evaluates the safety of triclopyr to white spruce.

Presents equations for estimating biomass and woody size class distributions for shrubs and small trees (

Summer moisture contents and factors for converting fresh plant weights to ovendry biomass estimates are presented for some herbs, mosses, and small shrubs found in the upland forest stand of northeastern Minnesota.

A collection of 12 papers describing the need, design, calibration database, potential diameter growth function, crown ratio, modifier, and mortality functions, as well as a diameter growth allocation rule, management algorithms, computer program, tests, and Lake State climate during calibration.

Provides metric site index equations, tables, and curves for nine Lake States timber species.

Presents 18 papers concerning recent research in forest genetics, physiology, and allied fields. Species groups discussed include pine, spruce, and birch.

Contains 17 papers summarizing up to 5 years of recent study on insect and disease problems of black walnut and butternut given at a workshop sponsored by the USDA Forest Service's North Central Forest Experiment Station and held in Carbondale, Illinois, June 13 and 14, 1978.

Illustrates and describes the visual deficiency symptoms for N, P, K, Ca, Mg, and S in sugar maple, red maple, white ash, and paper birch seedlings. Effects of these deficiencies on the development and nutrient composition of seedlings are also examined.