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Relationships among net primary productivity, nutrients and climate in tropical rain forest: a pan-tropical analysis |
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| Authors: | Cleveland Cory C Townsend Alan R Taylor Philip Alvarez-Clare Silvia Bustamante Mercedes M C Chuyong George Dobrowski Solomon Z Grierson Pauline Harms Kyle E Houlton Benjamin Z Marklein Alison Parton William Porder Stephen Reed Sasha C Sierra Carlos A Silver Whendee L Tanner Edmund V J Wieder William R |
| Institution: | Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, MT 59812, USA. cory.cleveland@umontana.edu |
| Abstract: | Tropical rain forests play a dominant role in global biosphere-atmosphere CO(2) exchange. Although climate and nutrient availability regulate net primary production (NPP) and decomposition in all terrestrial ecosystems, the nature and extent of such controls in tropical forests remain poorly resolved. We conducted a meta-analysis of carbon-nutrient-climate relationships in 113 sites across the tropical forest biome. Our analyses showed that mean annual temperature was the strongest predictor of aboveground NPP (ANPP) across all tropical forests, but this relationship was driven by distinct temperature differences between upland and lowland forests. Within lowland forests ( |
| Keywords: | Carbon cycle climate decomposition meta‐analysis nitrogen nutrient limitation phosphorus primary production tropical forest |
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