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Distribution and Standing Crop of Living and Dead Roots in Three Wetland Carex Species
John M. Bernard and Karel Fiala
Bulletin of the Torrey Botanical Club
Vol. 113, No. 1 (Jan. - Mar., 1986), pp. 1-5
Published by: Torrey Botanical Society
Stable URL: http://www.jstor.org/stable/2996226
Page Count: 5
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Living and dead root standing crop of Carex rostrata Stokes, C. trichocarpa Muhl., and C. lasiocarpa Ehrh. was estimated and its distribution in the soil profile determined. The percentage of living roots in total root standing crop was relatively low, 11.9-18.8%, while belowground standing crop values were high; 2237 g/m2 in Carex trichocarpa, 4464 g/m2 in C. rostrata, and 4948 g/m2 in C. lasiocarpa. Living roots contributed less than 600 g/m2 in the three species. Carex rostrata had almost 70% of living roots from 0-10 cm, C. trichocarpa 63.9% from 5-15 cm, and C. lasiocarpa 92% in the 0-5 cm layer of the soil profile.
Bulletin of the Torrey Botanical Club © 1986 Torrey Botanical Society