Thomas, Sean C. Leaf area index of an old-growth Douglas-fir forest estimated from direct structural measurements in the canopy / Sean C. Thomas, William E. Winner. -- Obr., tab. -- Res. angl., franc. Lit. - Problematika merania a hodnotenia indexu listovej plochy v starých porastoch duglasky Pseudotsuga menziesii a Tsuga heterophylla v lesoch Národného parku Gifford Pinchot v juhozápadnom Washingtone.

In Canadian journal of forest research. -- National Research Council of Canada : Ottawa. -- ISSN 0045-5067. -- Vol. 30, no. 12 (2000), s. 1922-1930

1. USA

I. Winner, William E.
II. Canadian journal of forest research. -- Vol. 30, no. 12 (2000), s. 1922-1930

630*228:630*174.7
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