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Ann. For. Sci.
Volume 63, Number 5, July-August 2006
Page(s) 519 - 523
Published online 19 July 2006
Ann. For. Sci. 63 (2006) 519-523
DOI: 10.1051/forest:2006034

Comparison of ecosystem C pools in three forests in Spain and Latin America

Felipe García-Olivaa, Guillermina Hernándezb and Juan F. Gallardo Lanchoc

a  Centro de Investigaciones en Ecosistemas, UNAM, AP 27-3, Sta. María de Guido, Morelia 58090, Michoacán, Mexico
b  Instituto de Ecología y Sistemática, AP 8029, La Habana 10800, Cuba
c  Consejo Superior de Investigaciones Científicas, IRNA, Aptado. 257, Salamanca 37071, Spain

(Received 25 April 2005; accepted 23 February 2006; published online 19 July 2006)

Abstract - To face the lack of information of C content in the main forest ecosystems pools from Spain and Latin America, this study compares C pools of three forest ecosystems: a tropical deciduous forest in Mexico, a tropical wet forest in Cuba and a temperate forest in Spain. The Cuban tropical wet forest had the highest total ecosystem C content (190 Mg C ha-1), of which 62% was in the aboveground biomass; followed by the Spanish temperate forest (150 Mg C ha-1) with around 75% of total C content was within soil. The Mexican tropical deciduous forest had the lowest total ecosystem C content (82.6 Mg C ha-1), of which 51% was in the soil. Tropical forests can not guaranteed sequestered C if the forest programs do not consider aboveground biomass protection. In contrast, temperate forests with slower C sequestration rate by means of soil stabilization are less vulnerable to forest programs.

Résumé - Comparaison du pool de C dans trois écosystèmes forestiers d'Espagne et d'Amérique latine. Ce travail fait une comparaison entre les teneurs du C des sols appartenant à trois forêts : une forêt caducifoliée tropicale au Mexique, une forêt tropicale à Cuba, et une troisième forêt tempérée en Espagne. La forêt tropicale mexicaine a la plus basse teneur en C (82.6 Mg C ha-1) dans l'écosystème, 51 % dans le sol; la forêt tropicale cubaine a la plus haute teneur en C (190 Mg C ha-1) dans l'écosystème, 63 % concentré dans la biomasse; la forêt espagnole a 150 Mg C ha-1 dans l'écosystème, 75 % dans le sol. Les forêts tropicales ne peuvent pas garantir la permanence de la capture du C si l'aménagement de la forêt n'a pas pris en compte la protection de la biomasse aérienne; par contre, les forêts tempérées, avec un faible taux annuel d'immobilisation du C par le sol, sont moins sensibles à l'aménagement des forêts, puisque la plus grande partie du C est concentrée dans le sol.

Key words: biomass / Cuba / Mexico / soil organic C / Spain

Mots clés : biomasse / C des sols / Cuba / Mexique / Espagne

Corresponding author:

© INRA, EDP Sciences 2006

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