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CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Carbon stocks assessment of forest land uses in the Kaliwa watershed, Philippines

Exporter la citation

Kaliwa watershed in the provinces of Rizal and Quezon is a site for pilot implementation of an improved watershed management plan in the Philippines. As part of the key biophysical resource assessments for the watershed, carbon stocks in above-ground biomass, necromass and soil pools in different forest land uses were determined using field measurements. The total C stored in the different land uses surveyed in the Kaliwa Watershed is estimated at 2.65 Megatons, 76% of which is held in secondary forests, and 14% and 10% in brushlands and grasslands, respectively. In all land uses, the largest portion of C is held in the soil. The low C density estimates (secondary forests- 121.21 Mg/ha; brushland- 74.27 Mg/ha; and grassland-Â 57.56 Mg/ha) indicate that substantial degradation of forest resources has occurred through time. Activities to enhance the watershed's potential to serve as C sink were identified, including forest protection, reforestation of grassland areas and establishment of agroforestry and community-based forestry projects.
    Année de publication

    2007

    Auteurs

    Pulhin F B; Cruz R V O; Lasco R D

    Langue

    English

    Mots clés

    carbon, carbon sequestration, dipterocarps, logging, watershed

    Géographique

    Philippines

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