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Seasonal patterns of fine-root productivity and turnover in a tropical savanna of northern Australia

Chen, Xiaoyong, Eamus, Derek and Hutley, Lindsay B. (2004). Seasonal patterns of fine-root productivity and turnover in a tropical savanna of northern Australia. Journal of Tropical Ecology,20(2):221-224.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 29 times in Scopus Article | Citations

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Title Seasonal patterns of fine-root productivity and turnover in a tropical savanna of northern Australia
Author Chen, Xiaoyong
Eamus, Derek
Hutley, Lindsay B.
Journal Name Journal of Tropical Ecology
Publication Date 2004
Volume Number 20
Issue Number 2
ISSN 0266-4674   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-1942510555
Start Page 221
End Page 224
Total Pages 4
Place of Publication Cambridge, U.K.
Publisher Cambridge University Press
Field of Research 0602 - Ecology
0607 - Plant Biology
HERDC Category C1 - Journal Article (DEST)
Abstract Fine roots and their turnover represent a dynamic aspect of below-ground biomass (BGB) and nutrient capital in forest ecosystems, and account for a significant fraction of net primary productivity (NPP) (Cuevas 1995, Vogt et al. 1990). On a weight basis, coarse roots contribute more to total ecosystem biomass than fine roots, but they account for only a small portion of annual root production (Eamus et al. 2002). Despite the fact that fine roots may compose less than 2% of total ecosystem biomass, they may contribute up to 40% of total ecosystem production (Vogt et al. 1990). Therefore, estimates of root production, like estimates of root biomass, should differentiate between coarse- and fine-root production.
Keywords Australia
below-ground
fine-root growth
in-growth bag
net primary productivity
savannas
temporal and spatial distribution
turnover rate
DOI http://dx.doi.org/10.1017/S0266467403001135   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)


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