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Fertile forests produce biomass more efficiently

Ecology letters, 2012-06, Vol.15 (6), p.520-526 [Peer Reviewed Journal]

2012 Blackwell Publishing Ltd/CNRS ;2015 INIST-CNRS ;2012 Blackwell Publishing Ltd/CNRS. ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1461-023X ;ISSN: 1461-0248 ;EISSN: 1461-0248 ;DOI: 10.1111/j.1461-0248.2012.01775.x ;PMID: 22472207

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Title:
Fertile forests produce biomass more efficiently
Author: Vicca, S. ; Luyssaert, S. ; Peñuelas, J. ; Campioli, M. ; Chapin III, F. S. ; Ciais, P. ; Heinemeyer, A. ; Högberg, P. ; Kutsch, W. L. ; Law, B. E. ; Malhi, Y. ; Papale, D. ; Piao, S. L. ; Reichstein, M. ; Schulze, E. D. ; Janssens, I. A.
Subjects: Age ; Animal and plant ecology ; Animal, plant and microbial ecology ; Autotrophic Processes ; Biological and medical sciences ; Biomass ; biomass production ; biomass production efficiency ; Carbon - metabolism ; carbon allocation ; Carbon Cycle ; Cell Respiration ; Climate ; Environmental Sciences ; Environmental Sciences related to Agriculture and Land-use ; Forestry ; Forests ; Fundamental and applied biological sciences. Psychology ; General aspects ; General forest ecology ; Generalities. Production, biomass. Quality of wood and forest products. General forest ecology ; global forest database ; Miljö- och naturvårdsvetenskap ; nutrients ; Photosynthesis ; Plant Roots - microbiology ; root symbionts ; Terrestrial ecosystems ; Trees - growth & development ; Trees - metabolism ; Trees - microbiology
Is Part Of: Ecology letters, 2012-06, Vol.15 (6), p.520-526
Description: Ecology Letters (2012) Trees with sufficient nutrition are known to allocate carbon preferentially to aboveground plant parts. Our global study of 49 forests revealed an even more fundamental carbon allocation response to nutrient availability: forests with high‐nutrient availability use 58 ± 3% (mean ± SE; 17 forests) of their photosynthates for plant biomass production (BP), while forests with low‐nutrient availability only convert 42 ± 2% (mean ± SE; 19 forests) of annual photosynthates to biomass. This nutrient effect largely overshadows previously observed differences in carbon allocation patterns among climate zones, forest types and age classes. If forests with low‐nutrient availability use 16 ± 4% less of their photosynthates for plant growth, what are these used for? Current knowledge suggests that lower BP per unit photosynthesis in forests with low‐ versus forests with high‐nutrient availability reflects not merely an increase in plant respiration, but likely results from reduced carbon allocation to unaccounted components of net primary production, particularly root symbionts.
Publisher: Oxford, UK: Blackwell Publishing Ltd
Language: English
Identifier: ISSN: 1461-023X
ISSN: 1461-0248
EISSN: 1461-0248
DOI: 10.1111/j.1461-0248.2012.01775.x
PMID: 22472207
Source: Hyper Article en Ligne (HAL) (Open Access)
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Fertile forests produce biomass more efficiently

2012 Blackwell Publishing Ltd/CNRS ;2015 INIST-CNRS ;2012 Blackwell Publishing Ltd/CNRS. ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1461-023X ;ISSN: 1461-0248 ;EISSN: 1461-0248 ;DOI: 10.1111/j.1461-0248.2012.01775.x ;PMID: 22472207

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