ScienceDirect - = Environmental Management: Impact of carbon storage through restoration = of drylands on the global carbon cycle

Impact of carbon storage through restoration of drylands on the = global=20 carbon cycle

Abstract

From: Subject: ScienceDirect - Environmental Management: Impact of carbon storage through restoration of drylands on the global carbon cycle Date: Tue, 17 Jul 2001 08:56:09 -0600 MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_014E_01C10E9E.52A87D40"; type="text/html" X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_014E_01C10E9E.52A87D40 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WR5-3WDMWMC-2F2&_user=830016&_coverDate=05%2F07%2F1999&_alid=18583112&_rdoc=26&_fmt=summary&_orig=search&_cdi=7009&_sort=d&_st=4&_acct=C000000152&_version=1&_urlVersion=0&_userid=830016&md5=9cde73fd6057fd051ac030b028ee77b4 ScienceDirect - = Environmental Management: Impact of carbon storage through restoration = of drylands on the global carbon cycle

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Environmental=20 Management

ISSN: 0364-152X

Coden: EMNGD

Volume 22, Issue 5 =		Abstract =
1998		$Order=20 Document
Pages 757-766
		Cited=20 By \| Save = as Citation Alert
		Export=20 Citation

Compilation and Index Terms Copyright = 1999=20 Elsevier Science B.V.

Keller = A.A.; Goldstein R.A.

A.A. Keller, Sch. of Envtl. Sci. and Management, University of = California,=20 Santa Barbara, CA 93106-5131, USA=20

Subject=20 View:

=20 = Computer Science =20 Medicine Neuroscience Pharmacology, Toxicology and = Pharmaceutics=20 = Psychology

We evaluate the potential for global carbon storage in = drylands=20 as one of several policy options to reduce buildup of carbon dioxide in = the=20 atmosphere. We use the GLOCO model, a global carbon cycle model with = eight=20 terrestrial biomes that are described mechanistically in detail in terms = of the=20 biological processes that involve carbon and nitrogen cycling and the = effect of=20 temperature on these processes. GLOCO also considers low-latitude and=20 high-latitude oceans, each divided further into a surface layer and = several=20 deeper layers, with an explicit description of biogeochemical processes=20 occurring in each layer, and exchanges among ocean reservoirs and the=20 atmosphere. GLOCO is used to study the transient response of actual = vegetation,=20 which is more realistic than looking at equilibrium conditions of = potential=20 vegetation. Using estimates of land suitable for restoration in = woodlands,=20 grasslands, and deserts, as well as estimates of the rate at which = restoration=20 can proceed, we estimate that carbon storage in these biomes can range = up to 0.8=20 billion tons of carbon per year (Gt C/yr), for a combination of land = management=20 strategies. This corresponds to a reduction in atmospheric buildup of = 0.5 Gt=20 C/yr, which represents up to 15% of the average annual atmospheric = carbon=20 buildup in the next century, 3.5 Gt C/yr, assuming the IPCC 92d = scenario. A=20 global strategy for reducing atmospheric carbon dioxide concentration = will=20 require the implementation of multiple options. The advantage of carbon = storage=20 in restored drylands is that it comes as a side benefit to programs that = are=20 also justifiable in terms of land management. [Journal Article; 53 Refs; = In=20 English; Summary in English]

Author Keywords: Global carbon; Terrestrial storage; = Carbon=20 dioxide; Fossil fuel emissions; Drylands; Land degradation; Land = restoration=20

Elsevier BIOBASE Classifications: ECOLOGICAL AND=20 ENVIRONMENTAL SCIENCES: ECOLOGY OF COMMUNITIES/ECOSYSTEMS: = Community/Ecosystem=20 Processes: Nutrient cycling and decomposition; ECOLOGICAL AND = ENVIRONMENTAL=20 SCIENCES: APPLIED ECOLOGY/POLLUTION: Environmental Management: = Reclamation and=20 Restoration
3D""=20

Environmental Management =
Volume=20 22, Issue 5
1998
Pages 757-766 Abstract
$Order=20 Document

Cited=20 By | Save = as Citation Alert
Export=20 Citation

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Send feedba= ck=20 to ScienceDirect
Software and compilation =A9 2001 = ScienceDirect. All=20 rights reserved.
ScienceDirect=AE is an Elsevier Science B.V. = registered=20 trademark. =

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