Nutrient Cycling In 37- And 450-Year-Old Douglas-Fir Ecosystems

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dc.contributor.authorGrier, C.C.
dc.contributor.authorCole, D.W.
dc.contributor.authorDyrness, C.T.
dc.contributor.authorFredrfksen, R.L.
dc.date.accessioned2014-09-08T09:28:05Z
dc.date.available2014-09-08T09:28:05Z
dc.date.issued2007
dc.description.abstractBiomass and nitrogen, phosphorus, potassium, and calcium distribution, and biogeochemica1 and stand nitrogen, phosphorus, potassium, and calcium budgets were determined for 37- and 450-year-old Pseudotsuga menzieaii (Mirb.) Franco stands in the U.S. Pacific Northwest. Biomass of the 450-year-old stand is greater, but annual growth is less than that of the 37-year-old stand. About 50% of the annual growth and over 50% of the nutrient uptake and return in the 450-year-old stand occurs in subordinate vegetation compared with less than 15% in the 37-year-old stand. Chemical differences in soil parent material between the two stands are reflected in both the biogeochemical and stand nutrient cycles.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/5487
dc.language.isoenen_US
dc.titleNutrient Cycling In 37- And 450-Year-Old Douglas-Fir Ecosystemsen_US
dc.typeArticleen_US

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