Determination of nitrogen, sulfur, phosphorus, and carbon in solid biological materials via hydrogenation and element-selective detection

Horton, A. D.; Shults, W.D.; Meyer, Albert S.; Matthews, D. R.

doi:10.1021/es60077a009

Cited by 4 publications

(1 citation statement)

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“…Factors for organic matter conversion to carbon were based on carbon determinations using flame photometric detection procedures following high temperature pyrolysis and catalytic hydrogenation (Horton et al 1973). Carbon determinations were made on 3 samples selected randomly from 25litterfall and litter standing crop samples for each collection period.…”

Section: Inputs To the Forest Floormentioning

confidence: 99%

Carbon Cycling in a Mixed Deciduous Forest Floor

Edwards¹,

Harris²

1977

Ecology

211

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. Ecological Society of America is collaborating with JSTOR to digitize, preserve and extend access to Ecology. Abstract. A study of carbon cycling within the floor of a mixed deciduous forest included estimates of litterfall, litter standing crop, root turnover, lateral root standing crop, and measurements of gaseous carbon losses from the various components. Annual carbon inputs to the system were 161 g C m-2 as litterfall and 733 g C m-2 as small roots (<0.5 cm diam). Mean annual standing pools were: 01 litter 126 g C i-2, 02 litter 111 g C m2, small roots 340 g C in2, large roots 395 g C m-2, and soil detritus 12,850 g C m-2. Annual total carbon efflux, measured in situ with an open airflow infrared gas analysis system was 1,065 g C m-2. Of this total, 35% was accounted for by respiration of live roots, 42.2% from root decay, 10.9% from 01 litter, and 9.7% from 02 litter. The remaining 2.2% is within the range likely associated with catabolism of root exudates and soil organic detritus. These component estimates were based on respiration rates of the individual components using a differential respirometer.

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Section: Inputs To the Forest Floormentioning

confidence: 99%