A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition
A model that simulates carbon (C) and nitrogen (N) cycles in terrestrial ecosystems is developed. The model is based on the principle that the responses of terrestrial ecosystems to changes in CO 2 , climate, and N deposition will encompass enzymatic responses, shifts in tissue stoichiometry, change...
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Oxford University Press
1991
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fthighwire:oai:open-archive.highwire.org:treephys:9/1-2/101 2023-05-15T15:08:12+02:00 A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition Rastetter, Edward B. Ryan, Michael G. Shaver, Gaius R. Melillo, Jerry M. Nadelhoffer, Knute J. Hobbie, John E. Aber, John D. 1991-07-01 00:00:00.0 text/html http://treephys.oxfordjournals.org/cgi/content/short/9/1-2/101 https://doi.org/10.1093/treephys/9.1-2.101 en eng Oxford University Press http://treephys.oxfordjournals.org/cgi/content/short/9/1-2/101 http://dx.doi.org/10.1093/treephys/9.1-2.101 Copyright (C) 1991, Oxford University Press Original Articles TEXT 1991 fthighwire https://doi.org/10.1093/treephys/9.1-2.101 2016-11-16T17:56:35Z A model that simulates carbon (C) and nitrogen (N) cycles in terrestrial ecosystems is developed. The model is based on the principle that the responses of terrestrial ecosystems to changes in CO 2 , climate, and N deposition will encompass enzymatic responses, shifts in tissue stoichiometry, changes in biomass allocation among plant tissues, altered rates of soil organic matter turnover and N mineralization, and ultimately a redistribution of C and N between vegetation and soils. The model is a highly aggregated, process-based, biogeochemical model designed to examine changes in the fluxes and allocation of C and N among foliage, fine roots, stems, and soils in response to changes in atmospheric CO 2 concentration, temperature, soil water, irradiance, and inorganic nitrogen inputs. We use the model to explore how changes in CO 2 concentration, temperature, and N inputs affect carbon storage in two ecosystems: arctic tundra and temperate hardwood forest. The qualitative responses of the two ecosystems were similar. Quantitative differences are attributed to the initial distribution of C and N between vegetation and soils, to the amounts of woody tissue in the two ecosystems, and to their relative degree of N limitation. We conclude with a critical analysis of the model’s strengths and weaknesses, and discuss possible future directions. Text Arctic Tundra HighWire Press (Stanford University) Arctic Tree Physiology 9 1-2 101 126 |
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HighWire Press (Stanford University) |
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English |
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Original Articles |
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Original Articles Rastetter, Edward B. Ryan, Michael G. Shaver, Gaius R. Melillo, Jerry M. Nadelhoffer, Knute J. Hobbie, John E. Aber, John D. A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
topic_facet |
Original Articles |
description |
A model that simulates carbon (C) and nitrogen (N) cycles in terrestrial ecosystems is developed. The model is based on the principle that the responses of terrestrial ecosystems to changes in CO 2 , climate, and N deposition will encompass enzymatic responses, shifts in tissue stoichiometry, changes in biomass allocation among plant tissues, altered rates of soil organic matter turnover and N mineralization, and ultimately a redistribution of C and N between vegetation and soils. The model is a highly aggregated, process-based, biogeochemical model designed to examine changes in the fluxes and allocation of C and N among foliage, fine roots, stems, and soils in response to changes in atmospheric CO 2 concentration, temperature, soil water, irradiance, and inorganic nitrogen inputs. We use the model to explore how changes in CO 2 concentration, temperature, and N inputs affect carbon storage in two ecosystems: arctic tundra and temperate hardwood forest. The qualitative responses of the two ecosystems were similar. Quantitative differences are attributed to the initial distribution of C and N between vegetation and soils, to the amounts of woody tissue in the two ecosystems, and to their relative degree of N limitation. We conclude with a critical analysis of the model’s strengths and weaknesses, and discuss possible future directions. |
format |
Text |
author |
Rastetter, Edward B. Ryan, Michael G. Shaver, Gaius R. Melillo, Jerry M. Nadelhoffer, Knute J. Hobbie, John E. Aber, John D. |
author_facet |
Rastetter, Edward B. Ryan, Michael G. Shaver, Gaius R. Melillo, Jerry M. Nadelhoffer, Knute J. Hobbie, John E. Aber, John D. |
author_sort |
Rastetter, Edward B. |
title |
A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
title_short |
A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
title_full |
A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
title_fullStr |
A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
title_full_unstemmed |
A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition |
title_sort |
general biogeochemical model describing the responses of the c and n cycles in terrestrial ecosystems to changes in co2, climate, and n deposition |
publisher |
Oxford University Press |
publishDate |
1991 |
url |
http://treephys.oxfordjournals.org/cgi/content/short/9/1-2/101 https://doi.org/10.1093/treephys/9.1-2.101 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Tundra |
genre_facet |
Arctic Tundra |
op_relation |
http://treephys.oxfordjournals.org/cgi/content/short/9/1-2/101 http://dx.doi.org/10.1093/treephys/9.1-2.101 |
op_rights |
Copyright (C) 1991, Oxford University Press |
op_doi |
https://doi.org/10.1093/treephys/9.1-2.101 |
container_title |
Tree Physiology |
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9 |
container_issue |
1-2 |
container_start_page |
101 |
op_container_end_page |
126 |
_version_ |
1766339615364481024 |