Net primary productivity and its spatiotemporal patterns in Northeast China during 1981—2000

Jun Shi; Jiyuan Liu; Zhiqiang Gao; Linli Cui; Qi Wang

doi:10.1117/12.556666

9 November 2004 Net primary productivity and its spatiotemporal patterns in Northeast China during 1981-2000

Jun Shi, Jiyuan Liu, Zhiqiang Gao, Linli Cui, Qi Wang

Proceedings Volume 5544, Remote Sensing and Modeling of Ecosystems for Sustainability; (2004) https://doi.org/10.1117/12.556666
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Based on the GLO-PEM simulation data, Net primary productivity (NPP) and its spatiotemporal patterns in Northeast China were studied from 1981 to 2000. Our research indicated that the distribution of annual NPP in Northeast China was obviously different from east to west. The averaged annual total NPP is 0.50PgC, with an annual increasing rate of 0.55%. NPP increased in most parts of Northeast China from 1981 to 2000, with the largest increase in the western part of Liaoning province, but it decreased in eastern Hulun Buir Plateau, Horqin Sandy Land, Changbai Mountains and northern Da Xingan Ling mountains. The early 1990s (1991-1995) is the time with fastest NPP increasing. NPP varies in different seasons. It increases mostly in summer, with an annual rate of 0.65%, but it decreasing in non-growing seasons.

Citation Download Citation

Jun Shi, Jiyuan Liu, Zhiqiang Gao, Linli Cui, and Qi Wang "Net primary productivity and its spatiotemporal patterns in Northeast China during 1981-2000", Proc. SPIE 5544, Remote Sensing and Modeling of Ecosystems for Sustainability, (9 November 2004); https://doi.org/10.1117/12.556666

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