Forest production predicted from satellite image analysis for the Southeast Asia region

Carbon Balance and Management

Cyrus Hiatt¹  Vanessa Genovese¹  Steven Klooster¹  Christopher Potter² 

[1] California State University Monterey Bay, Seaside, CA, USA;NASA Ames Research Center, Moffett Field, CA, USA

关键词: MODIS;    Carbon cycle;    Harvested wood products;    Forest production;    Southeast Asia;   

Others  :  790592
DOI  :  10.1186/1750-0680-8-9

 received in 2013-04-03, accepted in 2013-06-20,  发布年份 2013

【 摘 要 】

Background

The objective of this study was to demonstrate a new, cost-effective method to define the sustainable amounts of harvested wood products in Southeast Asian countries case studies, while avoiding degradation (net loss) of total wood carbon stocks. Satellite remote sensing from the MODIS sensor was used in the CASA (Carnegie Ames Stanford Approach) carbon cycle model to map forest production for the Southeast Asia region from 2000 to 2010. These CASA model results have been designed to be spatially detailed enough to support carbon cycle assessments in different wooded land cover classes, e.g., open woodlands, wetlands, and forest areas.

Results

The country with the highest average forest net primary production (NPP greater than 950 g C m^-2 yr^-1) over the period was the Philippines, followed by Malaysia and Indonesia. Myanmar and Vietnam had the lowest average forest NPP among the region’s countries at less than 815 g C m^-2 yr^-1. Case studies from throughout the Southeast Asia region for the maximum harvested wood products amount that could be sustainably extracted per year were generated using the CASA model NPP predictions.

Conclusions

The method of using CASA model’s estimated annual change in forest carbon on a yearly basis can conservatively define the upper limit for the amount of harvested wood products that can be removed and still avoid degradation (net loss) of the total wood carbon stock over that same time period.

【 授权许可】

   
2013 Potter et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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