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PREP teacher survey results
Summary of schools showing significant correlations
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biomass black spruce Canada Canadian Forestry Service College of Environmental conifer coniferous decomposition Douglas-fir Ecol Ecology ecosystems effect Environmental Science equations field trip forest ecosystems forest floor forest management Forest Nutrient Cycling forest resources Forest Service forest soils genetic growth hardwood Harvesting on Forest height Impact of Intensive Intensive Harvesting jack pine JJOU litter litterfall loblolly pine lodgepole pine mineral nitrogen Norway spruce nutrient content NW NW NW ONOH ONT ONT ONT Ontario OO OO OO OON OON OON phosphorus Pinus Pinus banksiana Pinus radiata plantations PNFI PREP Proc provenances PW PW PW PZO PZO PZO red pine Science and Forestry Scots pine seed seedlings semences Soil Sci species Sugar maple Syracuse teachers tree Univ white spruce Wm Wm Wm WW WW WW Z(U PZO Z(U Z(U Z40 PZO