Comparing global models of terrestrial net primary productivity (NPP): global pattern and differentiation by major biomes

被引：93

作者：

Kicklighter, DW ^{[1
]}

Bondeau, A

Schloss, AL

Kaduk, J

McGuire, AD

机构：

[1] Ctr Ecosyst, Marine Biol Lab, Woods Hole, MA 02543 USA

[2] Potsdam Inst Klimafolgen Forsch EV, D-14412 Potsdam, Germany

[3] Univ New Hampshire, Inst Study Earth Oceans & Space, Complex Syst Res Ctr, Durham, NH 03824 USA

[4] Max Planck Inst Meteorol, D-20146 Hamburg, Germany

[5] Univ Alaska, US Geol Survey, Alaska Cooperat Fish & Wildlife Res Unit, Fairbanks, AK 99775 USA

来源：

GLOBAL CHANGE BIOLOGY | 1999年 / 5卷

关键词：

NPP; seasonal; global; model; boreal forest; tropical forest;

D O I：

10.1046/j.1365-2486.1999.00003.x

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Annual and seasonal net primary productivity estimates (NPP) of 15 global models across latitudinal zones and biomes are compared. The models simulated NPP for contemporary climate using common, spatially explicit data sets for climate, soil texture, and normalized difference vegetation index (NDVI). Differences among NPP estimates varied over space and time. The largest differences occur during the summer months in boreal forests (50 degrees to 60 degrees N) and during the dry seasons of tropical evergreen forests. Differences in NPP estimates are related to model assumptions about vegetation structure, model parameterizations, and input data sets.

引用

页码：16 / 24

页数：9

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