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| Biomass (1) |
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| Yellow birch (Betula alleghaniensis Britt.) (1) |
| Biomass (1) |
| Climate change (1) |
| Elevated [CO2] (1) |
| Photosynthesis (1) |
| Soil nitrogen availability (1) |
| Yellow birch (Betula alleghaniensis Britt.) (1) |