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(Article of periodic en Anglais - 2011)

Document title

Organic carbon and nitrogen in soil particle-size aggregates under dry tropical forests from Guanacaste, Costa Rica - Implications for within-site soil organic carbon stabilization

Authors(s) and Affiliation(s)

JIMÉNEZ J.J. (1 2) ; LORENZ K. (2) ; LAL R. (2) ;
(1) Pyrenean Inst. of Ecology (IPE), Consejo Sup. de Investigaciones Científicas (CSIC), Jaca, ESPAGNE
(2) Carbon Management and Sequestration Center, School of Environment and Natural Resources, Ohio State Univ., Columbus, ETATS-UNIS

Abstract

The AA report results on the soil organic carbon (SOC) pool (0–50 cm) from a chrono-sequence of dry tropical forest (dTf) of increasing age and a yearly burned ancient pasture in the “Sector Santa Rosa” at the “Área de Conservación Guanacaste” (ACG) in northwestern Costa Rica, where intense human induced land-use modifications has occurred during the past century. The AA. quantified the depth distribution of SOC concentration down to 50-cm and in physically separated mineral soil fractions, as these data are scanty from the dTf. Additional objectives were to identify the relationship with selected soil physical and chemical properties, including stabilized SOC fractions by means of multivariate ordination methods. Soils under dTf at Santa Rosa store a considerable amount of SOC with potentially large CO2 emissions if this ecosystem is not preserved

Source

Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2011, vol. 86, no3 [pp. 178-191]

Bibliographic references : 111 ref.

Collation : 8 fig., 8 tabl., 1 an.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2011.03.011

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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