Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage
Soil quality or health is a fuzzy concept that has been vigorously criticized due to the extreme variability of soil and the difficulty of linking soil indicators to soil functions and sustainability. In most soil quality studies some obvious factors or typologies are used as a basis to select the "best indicators" of soil quality, i.e. those that best explain the differences among the plots under study. This is not the case for a variety of natural or agro-ecosystems including the Talamanca cacao-based agroforestry systems (AFS), which present neither a pre-established typology nor a clear framework to evaluate their soil quality. This situation required a selection of indicators based on the literature that was oriented by the non-equilibrium thermodynamic theory. A framework was elaborated through full and minimum indicator sets of baseline soil physical and chemical indicators, along with macrofauna groups. A minimum set of four well-accepted abiotic soil quality indicators (bulk density, sum of bases, pH and carbon) was able to separate cacao AFS plots and forests into five distinct clusters along a low-to-high "soil quality" gradient. The AFS rated as "good" soil quality did not differ from the forest. Abundances of selected macrofauna groups were well correlated with these indicators and helped elucidate the soil quality clusters identified. In particular, high predator abundance indicated proper energy flow and confirmed the high abiotic soil quality, thus confirming the potential of macrofauna groups as apt soil quality indicators. However, these indicators need to be tailored to local conditions. Consequentially, cacao-based AFS in Talamanca are able to conserve soil and provide a high level of soil-related ecological services. Considering the soil an open system where the non-equilibrium thermodynamic theory applies successfully guided indicator selection and could help to reformulate the soil quality definition.
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dig-cirad-fr-5644342024-01-28T20:29:50Z http://agritrop.cirad.fr/564434/ http://agritrop.cirad.fr/564434/ Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage. Rousseau Guillaume Xavier, Deheuvels Olivier, Rodriguez Arias Ignacio, Somarriba Chavez Eduardo. 2012. Ecological Indicators, 23 : 535-543.https://doi.org/10.1016/j.ecolind.2012.05.008 <https://doi.org/10.1016/j.ecolind.2012.05.008> Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage Rousseau, Guillaume Xavier Deheuvels, Olivier Rodriguez Arias, Ignacio Somarriba Chavez, Eduardo eng 2012 Ecological Indicators P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 Costa Rica http://aims.fao.org/aos/agrovoc/c_1920 Soil quality or health is a fuzzy concept that has been vigorously criticized due to the extreme variability of soil and the difficulty of linking soil indicators to soil functions and sustainability. In most soil quality studies some obvious factors or typologies are used as a basis to select the "best indicators" of soil quality, i.e. those that best explain the differences among the plots under study. This is not the case for a variety of natural or agro-ecosystems including the Talamanca cacao-based agroforestry systems (AFS), which present neither a pre-established typology nor a clear framework to evaluate their soil quality. This situation required a selection of indicators based on the literature that was oriented by the non-equilibrium thermodynamic theory. A framework was elaborated through full and minimum indicator sets of baseline soil physical and chemical indicators, along with macrofauna groups. A minimum set of four well-accepted abiotic soil quality indicators (bulk density, sum of bases, pH and carbon) was able to separate cacao AFS plots and forests into five distinct clusters along a low-to-high "soil quality" gradient. The AFS rated as "good" soil quality did not differ from the forest. Abundances of selected macrofauna groups were well correlated with these indicators and helped elucidate the soil quality clusters identified. In particular, high predator abundance indicated proper energy flow and confirmed the high abiotic soil quality, thus confirming the potential of macrofauna groups as apt soil quality indicators. However, these indicators need to be tailored to local conditions. Consequentially, cacao-based AFS in Talamanca are able to conserve soil and provide a high level of soil-related ecological services. Considering the soil an open system where the non-equilibrium thermodynamic theory applies successfully guided indicator selection and could help to reformulate the soil quality definition. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/564434/1/document_564434.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.ecolind.2012.05.008 10.1016/j.ecolind.2012.05.008 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=185505 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ecolind.2012.05.008 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.ecolind.2012.05.008 |
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P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_1920 P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_1920 |
spellingShingle |
P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_1920 P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_1920 Rousseau, Guillaume Xavier Deheuvels, Olivier Rodriguez Arias, Ignacio Somarriba Chavez, Eduardo Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
description |
Soil quality or health is a fuzzy concept that has been vigorously criticized due to the extreme variability of soil and the difficulty of linking soil indicators to soil functions and sustainability. In most soil quality studies some obvious factors or typologies are used as a basis to select the "best indicators" of soil quality, i.e. those that best explain the differences among the plots under study. This is not the case for a variety of natural or agro-ecosystems including the Talamanca cacao-based agroforestry systems (AFS), which present neither a pre-established typology nor a clear framework to evaluate their soil quality. This situation required a selection of indicators based on the literature that was oriented by the non-equilibrium thermodynamic theory. A framework was elaborated through full and minimum indicator sets of baseline soil physical and chemical indicators, along with macrofauna groups. A minimum set of four well-accepted abiotic soil quality indicators (bulk density, sum of bases, pH and carbon) was able to separate cacao AFS plots and forests into five distinct clusters along a low-to-high "soil quality" gradient. The AFS rated as "good" soil quality did not differ from the forest. Abundances of selected macrofauna groups were well correlated with these indicators and helped elucidate the soil quality clusters identified. In particular, high predator abundance indicated proper energy flow and confirmed the high abiotic soil quality, thus confirming the potential of macrofauna groups as apt soil quality indicators. However, these indicators need to be tailored to local conditions. Consequentially, cacao-based AFS in Talamanca are able to conserve soil and provide a high level of soil-related ecological services. Considering the soil an open system where the non-equilibrium thermodynamic theory applies successfully guided indicator selection and could help to reformulate the soil quality definition. |
format |
article |
topic_facet |
P34 - Biologie du sol P35 - Fertilité du sol F08 - Systèmes et modes de culture K10 - Production forestière sol qualité fertilité du sol faune du sol organisme indicateur facteur du milieu propriété physicochimique du sol sol de forêt conservation des sols agroforesterie forêt tropicale Theobroma cacao http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_6400 http://aims.fao.org/aos/agrovoc/c_7170 http://aims.fao.org/aos/agrovoc/c_7169 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_2594 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_3051 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_207 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_1920 |
author |
Rousseau, Guillaume Xavier Deheuvels, Olivier Rodriguez Arias, Ignacio Somarriba Chavez, Eduardo |
author_facet |
Rousseau, Guillaume Xavier Deheuvels, Olivier Rodriguez Arias, Ignacio Somarriba Chavez, Eduardo |
author_sort |
Rousseau, Guillaume Xavier |
title |
Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
title_short |
Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
title_full |
Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
title_fullStr |
Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
title_full_unstemmed |
Indicating soil quality in cacao-based agroforestry systems and old-growth forests: The potential of soil macrofauna assemblage |
title_sort |
indicating soil quality in cacao-based agroforestry systems and old-growth forests: the potential of soil macrofauna assemblage |
url |
http://agritrop.cirad.fr/564434/ http://agritrop.cirad.fr/564434/1/document_564434.pdf |
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