PoplarV1, Main, Exploration, bibRecord, 002126

Multimodel simulations of forest harvesting effects on long‐term productivity and CN cycling in aspen forests.

Identifieur interne : 002126 ( Main/Exploration ); précédent : 002125; suivant : 002127

Multimodel simulations of forest harvesting effects on long‐term productivity and CN cycling in aspen forests.

Auteurs : Fugui Wang ; David J. Mladenoff ; Jodi A. Forrester ; Juan A. Blanco ; Robert M. Schelle ; Scott D. Peckham ; Cindy Keough ; Melissa S. Lucash ; Stith T. Gower

Source :

Ecological applications : a publication of the Ecological Society of America [ 1051-0761 ]

RBID : pubmed:29160661

Descripteurs français

KwdFr :
- Azote (composition chimique), Carbone (composition chimique), Cycle de l'azote (MeSH), Cycle du carbone (MeSH), Facteurs temps (MeSH), Forêts (MeSH), Modèles biologiques (MeSH), Populus (physiologie), Science forêt (MeSH), Simulation numérique (MeSH), Sol (composition chimique), Wisconsin (MeSH).
MESH :
- composition chimique : Azote, Carbone, Sol.
- physiologie : Populus.
- Cycle de l'azote, Cycle du carbone, Facteurs temps, Forêts, Modèles biologiques, Science forêt, Simulation numérique, Wisconsin.

English descriptors

KwdEn :
- Carbon (chemistry), Carbon Cycle (MeSH), Computer Simulation (MeSH), Forestry (MeSH), Forests (MeSH), Models, Biological (MeSH), Nitrogen (chemistry), Nitrogen Cycle (MeSH), Populus (physiology), Soil (chemistry), Time Factors (MeSH), Wisconsin (MeSH).
MESH :
- chemical , chemistry : Carbon, Nitrogen, Soil.
- physiology : Populus.
- Carbon Cycle, Computer Simulation, Forestry, Forests, Models, Biological, Nitrogen Cycle, Time Factors, Wisconsin.

Abstract

The effects of forest management on soil carbon (C) and nitrogen (N) dynamics vary by harvest type and species. We simulated long-term effects of bole-only harvesting of aspen (Populus tremuloides) on stand productivity and interaction of CN cycles with a multiple model approach. Five models, Biome-BGC, CENTURY, FORECAST, LANDIS-II with Century-based soil dynamics, and PnET-CN, were run for 350 yr with seven harvesting events on nutrient-poor, sandy soils representing northwestern Wisconsin, United States. Twenty CN state and flux variables were summarized from the models' outputs and statistically analyzed using ordination and variance analysis methods. The multiple models' averages suggest that bole-only harvest would not significantly affect long-term site productivity of aspen, though declines in soil organic matter and soil N were significant. Along with direct N removal by harvesting, extensive leaching after harvesting before canopy closure was another major cause of N depletion. These five models were notably different in output values of the 20 variables examined, although there were some similarities for certain variables. PnET-CN produced unique results for every variable, and CENTURY showed fewer outliers and similar temporal patterns to the mean of all models. In general, we demonstrated that when there are no site-specific data for fine-scale calibration and evaluation of a single model, the multiple model approach may be a more robust approach for long-term simulations. In addition, multimodeling may also improve the calibration and evaluation of an individual model.

DOI: 10.1890/12-0888.1
PubMed: 29160661

Affiliations:

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<author><name sortKey="Wang, Fugui" sort="Wang, Fugui" uniqKey="Wang F" first="Fugui" last="Wang">Fugui Wang</name>
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<author><name sortKey="Mladenoff, David J" sort="Mladenoff, David J" uniqKey="Mladenoff D" first="David J" last="Mladenoff">David J. Mladenoff</name>
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<author><name sortKey="Forrester, Jodi A" sort="Forrester, Jodi A" uniqKey="Forrester J" first="Jodi A" last="Forrester">Jodi A. Forrester</name>
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<author><name sortKey="Blanco, Juan A" sort="Blanco, Juan A" uniqKey="Blanco J" first="Juan A" last="Blanco">Juan A. Blanco</name>
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<author><name sortKey="Schelle, Robert M" sort="Schelle, Robert M" uniqKey="Schelle R" first="Robert M" last="Schelle">Robert M. Schelle</name>
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<author><name sortKey="Peckham, Scott D" sort="Peckham, Scott D" uniqKey="Peckham S" first="Scott D" last="Peckham">Scott D. Peckham</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (chemistry)</term>
<term>Carbon Cycle (MeSH)</term>
<term>Computer Simulation (MeSH)</term>
<term>Forestry (MeSH)</term>
<term>Forests (MeSH)</term>
<term>Models, Biological (MeSH)</term>
<term>Nitrogen (chemistry)</term>
<term>Nitrogen Cycle (MeSH)</term>
<term>Populus (physiology)</term>
<term>Soil (chemistry)</term>
<term>Time Factors (MeSH)</term>
<term>Wisconsin (MeSH)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Azote (composition chimique)</term>
<term>Carbone (composition chimique)</term>
<term>Cycle de l'azote (MeSH)</term>
<term>Cycle du carbone (MeSH)</term>
<term>Facteurs temps (MeSH)</term>
<term>Forêts (MeSH)</term>
<term>Modèles biologiques (MeSH)</term>
<term>Populus (physiologie)</term>
<term>Science forêt (MeSH)</term>
<term>Simulation numérique (MeSH)</term>
<term>Sol (composition chimique)</term>
<term>Wisconsin (MeSH)</term>
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<term>Nitrogen</term>
<term>Soil</term>
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<term>Nitrogen Cycle</term>
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<term>Cycle du carbone</term>
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<term>Forêts</term>
<term>Modèles biologiques</term>
<term>Science forêt</term>
<term>Simulation numérique</term>
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<front><div type="abstract" xml:lang="en">The effects of forest management on soil carbon (C) and nitrogen (N) dynamics vary by harvest type and species. We simulated long-term effects of bole-only harvesting of aspen (Populus tremuloides) on stand productivity and interaction of CN cycles with a multiple model approach. Five models, Biome-BGC, CENTURY, FORECAST, LANDIS-II with Century-based soil dynamics, and PnET-CN, were run for 350 yr with seven harvesting events on nutrient-poor, sandy soils representing northwestern Wisconsin, United States. Twenty CN state and flux variables were summarized from the models' outputs and statistically analyzed using ordination and variance analysis methods. The multiple models' averages suggest that bole-only harvest would not significantly affect long-term site productivity of aspen, though declines in soil organic matter and soil N were significant. Along with direct N removal by harvesting, extensive leaching after harvesting before canopy closure was another major cause of N depletion. These five models were notably different in output values of the 20 variables examined, although there were some similarities for certain variables. PnET-CN produced unique results for every variable, and CENTURY showed fewer outliers and similar temporal patterns to the mean of all models. In general, we demonstrated that when there are no site-specific data for fine-scale calibration and evaluation of a single model, the multiple model approach may be a more robust approach for long-term simulations. In addition, multimodeling may also improve the calibration and evaluation of an individual model.</div>
</front>
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<name sortKey="Forrester, Jodi A" sort="Forrester, Jodi A" uniqKey="Forrester J" first="Jodi A" last="Forrester">Jodi A. Forrester</name>
<name sortKey="Gower, Stith T" sort="Gower, Stith T" uniqKey="Gower S" first="Stith T" last="Gower">Stith T. Gower</name>
<name sortKey="Keough, Cindy" sort="Keough, Cindy" uniqKey="Keough C" first="Cindy" last="Keough">Cindy Keough</name>
<name sortKey="Lucash, Melissa S" sort="Lucash, Melissa S" uniqKey="Lucash M" first="Melissa S" last="Lucash">Melissa S. Lucash</name>
<name sortKey="Mladenoff, David J" sort="Mladenoff, David J" uniqKey="Mladenoff D" first="David J" last="Mladenoff">David J. Mladenoff</name>
<name sortKey="Peckham, Scott D" sort="Peckham, Scott D" uniqKey="Peckham S" first="Scott D" last="Peckham">Scott D. Peckham</name>
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Multimodel simulations of forest harvesting effects on long‐term productivity and CN cycling in aspen forests.

Multimodel simulations of forest harvesting effects on long‐term productivity and CN cycling in aspen forests.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki