scholarly journals Allocation of forest net primary production varies by forest age and air temperature

2018 ◽  
Vol 8 (23) ◽  
pp. 12163-12172
Author(s):  
Xiang Song ◽  
Xiaodong Zeng ◽  
Dongxiao Tian
Keyword(s):  
Primary Production ◽  
Air Temperature ◽  
Net Primary Production ◽  
Forest Age

Growth and net production of Sphagnum at five fen sites, subarctic eastern Canada

1989 ◽  
Vol 67 (4) ◽  
pp. 1203-1207 ◽  
Author(s):  
T. R. Moore
Keyword(s):  
Primary Production ◽  
Air Temperature ◽  
Net Primary Production ◽  
Mean Annual Temperature ◽  
Eastern Canada ◽  
Net Production ◽  
Sphagnum Fuscum ◽  
Average Rainfall ◽  
Wire Method

Growth in length and net primary production (NPP) were measured by the cranked wire method at five sites near Schefferville, northern Quebec, representing lawns of Sphagnum angustifolium, Sphagnum warnstorfii, S. warnstorfii/S. angustifolium, and hummocks of Sphagnum fuscum and Sphagnum capillifolium. From June to September, growth and NPP ranged from 4 to 24 mm and 29 to 142 g m−2, respectively. In an average rainfall year (1984), growth at the three lawn sites was higher than in the hummocks. In a dry year (1985, with half the average rainfall), growth in two of the three lawn sites was lower than in the hummocks. Growth of Sphagnum was weakly correlated with macroclimatic variables, such as air temperature, precipitation, and sunshine. The literature for Sphagnum production from arctic to temperate regions showed that hummock NPP was less than that of adjacent lawn/hollow sites and that a significant (r2 = 0.307, P < 0.001) portion of the variation in NPP can be ascribed to mean annual temperature.

scholarly journals Quantifying and mapping the human appropriation of net primary production in earth's terrestrial ecosystems

2007 ◽  
Vol 104 (31) ◽  
pp. 12942-12947 ◽  
Author(s):  
H. Haberl ◽  
K. H. Erb ◽  
F. Krausmann ◽  
V. Gaube ◽  
A. Bondeau ◽  
...  
Keyword(s):  
Primary Production ◽  
Net Primary Production ◽  
Terrestrial Ecosystems
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