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  Relationships among net primary productivity, nutrients and climate in tropical rain forest: a pan-tropical analysis

Cleveland, C. C., Townsend, A. R., Taylor, P., Alvarez-Clare, S., Bustamante, M. M. C., Chuyong, G., et al. (2011). Relationships among net primary productivity, nutrients and climate in tropical rain forest: a pan-tropical analysis. Ecology Letters, 14(9), 939-947. doi:10.1111/j.1461-0248.2011.01658.x.

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BGC1528.pdf (Verlagsversion), 307KB
 
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Cleveland, C. C., Autor
Townsend, A. R., Autor
Taylor, P., Autor
Alvarez-Clare, S., Autor
Bustamante, M. M. C., Autor
Chuyong, G., Autor
Dobrowski, S. Z., Autor
Grierson, P., Autor
Harms, K. E., Autor
Houlton, B. Z., Autor
Marklein, A., Autor
Parton, W., Autor
Porder, S., Autor
Reed, S. C., Autor
Sierra, C. A.1, Autor           
Silver, W. L., Autor
Tanner, E. V. J., Autor
Wieder, W. R., Autor
Affiliations:
1Quantitative Ecosystem Ecology, Dr. C. Sierra, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497777              

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Schlagwörter: Carbon cycle climate decomposition meta-analysis nitrogen nutrient limitation phosphorus primary production tropical forest LEAF-LITTER DECOMPOSITION N-P STOICHIOMETRY PHOSPHORUS LIMITATION TERRESTRIAL ECOSYSTEMS AMAZONIAN FORESTS NITROGEN-RETENTION REGRESSION TREES GLOBAL PATTERNS SOIL AVAILABILITY
 Zusammenfassung: 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 (< 1000 m), a regression tree analysis revealed that foliar and soil-based measurements of phosphorus (P) were the only variables that explained a significant proportion of the variation in ANPP, although the relationships were weak. However, foliar P, foliar nitrogen (N), litter decomposition rate (k), soil N and soil respiration were all directly related with total surface (0-10 cm) soil P concentrations. Our analysis provides some evidence that P availability regulates NPP and other ecosystem processes in lowland tropical forests, but more importantly, underscores the need for a series of large-scale nutrient manipulations - especially in lowland forests - to elucidate the most important nutrient interactions and controls.

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1111/j.1461-0248.2011.01658.x
ISI: ://WOS:000293628300014
Anderer: BGC1528
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Titel: Ecology Letters
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Oxford, UK : Blackwell Science
Seiten: - Band / Heft: 14 (9) Artikelnummer: - Start- / Endseite: 939 - 947 Identifikator: CoNE: https://pure.mpg.de/cone/journals/resource/954925625294