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Notes: Root Respiration Rates of Four Tree Species Grown in the Field

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Respiration by detached fine roots of tree seedlings collected in March and April near Durham, N. C., was determined by the polarographic method at 17° and 28°C. Oxygen depletion in air-saturated water ranged from 5 to 23 g of O2 per gram of root dry weight per min and averaged 14. Midwinter values for loblolly pine seedlings growing in the greenhouse were over 3½ times as high as those for similar seedlings in the field. Forest Sci. 17:492-493.

Keywords: Betula nigra; Liriodendron tulipifera; Pinus taeda; Salix babylonica

Document Type: News

Affiliations: Dean, School of Forestry, Duke University, Durham, N. C.

Publication date: 1971-12-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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