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South African Journal of Plant and Soil

Article . 2005 . Peer-reviewed

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South African Journal of Plant and Soil

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Ecosystem carbon storage under different land uses in three semi-arid shrublands and a mesic grassland in South Africa

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2005 South Africa Publisher:Informa UK LimitedJournal:South African Journal of Plant and Soil, volume 22, pages 183-190 (issn: 0257-1862, eissn: 2167-034X,

Authors: Mills A.J.; O'Connor T.G.; Donaldson J.S.; Fey M.V.; Skowno A.L.; Sigwela A.M.; Lechmere-Oertel R.G.; +1 Authors

doi: 10.1080/02571862.2005.10634705

handle: 10019.1/9547

Ecosystem carbon storage under different land uses in three semi-arid shrublands and a mesic grassland in South Africa

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Abstract

Carbon (C) storage in biomass and soils is a function of climate, vegetation type, soil type and land management. Carbon storage was examined in intact indigenous vegetation and under different land uses in thicket (250–400 mm mean annual precipitation), xeric shrubland (350 mm), karoo (250 mm), and grassland (900–1200 mm). Carbon storage was as follows: (i) mean soil C (0–50 cm): thicket (T) = grassland (G) > xeric shrubland on Dwyka sediments (XS) > xeric shrubland on dolerite (XSD) > karoo (K) (168, 164, 65, 34 & 26 t ha−1, respectively); (ii) mean root C: T > G > XS = XSD (25.4, 11.4, 7.2 & 7.1 t ha−1); (iii) mean above-ground C including leaf litter: T>XS>G>K> XSD (51.6, 12.9, 2.0, 1.7 & 1.51 ha−1). Carbon stocks in intact indigenous vegetation were related more to woodiness of vegetation and frequency of fire than to climate. Biomass C was greatest in woody thicket and soil C stocks were greatest in thicket and grassland. Total C storage of 245 t ha−9 in thicket is exceptionally high for a semi-arid...

Country

South Africa

Related Organizations

South African National Biodiversity Institute
South Africa
University of Port Elizabeth
South Africa
University of Port Elizabeth
South Africa
University of the Witwatersrand
South Africa
South African National Biodiversity Institute
South Africa

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Keywords

580, biomass, Sub-Saharan Africa, Eastern Hemisphere, World, land management, land use, South Africa, carbon cycle, Africa, Arida, Southern Africa

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	40
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average