Technical Bulletin, Volumes 285-299The Station, 1971 - Agricultural experiment stations |
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Common terms and phrases
abundance acre age groups annual aspen average balsam fir benefit-cost ratios benefits burbot burn cabbage Carlander corn costs disstria distribution early hay ecological Entomol estimated Exclo exclosure factors farm feed feet Figure fire fish fishery forest gear gill nets green peach aphid ground hemlock growth habitat harvest inches increased insects island Isle Royale Itasca State Park Krefting land treatment larvae late hay length Malacosoma Minnesota moose mortality mountain ash paper birch Para Para Para X parasites percent percentage perch period planning plant plots population pounds predators production Red Lakes red pine redosier dogwood reported samples sauger season security levels shrub Sippell Siskiwit species stands Stehr Stelzer sugar maple Table tent caterpillar tion total catch trawl trees tullibee vegetation walleye watershed weight white pine white spruce white-cedar wildlife winter Woods yellow birch