The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem
In this work, aggregate stability was evaluated as a quality indicator in soils of tropical dry deciduous forests (TDF) with relation to land use, the sampling position in the hillslope and the sampling season. The study was done on a representative morpho-edaphological unit of the tropical dry ecos...
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Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
2012
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oai:scielo:S0718-951620120002000152012-09-10The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystemMartinez-Trinidad,SCotler,HCruz-Cárdenas,G aggregate stability soil quality land degradation soil geomorphology In this work, aggregate stability was evaluated as a quality indicator in soils of tropical dry deciduous forests (TDF) with relation to land use, the sampling position in the hillslope and the sampling season. The study was done on a representative morpho-edaphological unit of the tropical dry ecosystems (hillslope on granite with eutric regosol) on the coast of the state of Jalisco, Mexico. The evaluated soil aggregation indexes were: Aggregate stability index (ASI)test, maximum stability, minimum stability, relative index of variability, and the index of quality of aggregation change. These indexes showed differences in soil aggregation resulting from changes in land use (conserved TDF, grazed TDF, and cultivated pasture). The indexes showed that there is greater stability of the aggregates during the rainy season than in the dry season; as well as in the higher part of the slope than in the lower one. The relationship of the edaphic properties with the ASItest indicator was mainly with radical volume, and less so with exchangeable bases (calcium and magnesium), clay, and organic carbon. The proposed soil aggregation indexes allowed monitoring spatiotemporal changes in soil structure.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.12 n.2 20122012-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162012000200015en10.4067/S0718-95162012000200015 |
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Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
aggregate stability soil quality land degradation soil geomorphology |
| spellingShingle |
aggregate stability soil quality land degradation soil geomorphology Martinez-Trinidad,S Cotler,H Cruz-Cárdenas,G The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| description |
In this work, aggregate stability was evaluated as a quality indicator in soils of tropical dry deciduous forests (TDF) with relation to land use, the sampling position in the hillslope and the sampling season. The study was done on a representative morpho-edaphological unit of the tropical dry ecosystems (hillslope on granite with eutric regosol) on the coast of the state of Jalisco, Mexico. The evaluated soil aggregation indexes were: Aggregate stability index (ASI)test, maximum stability, minimum stability, relative index of variability, and the index of quality of aggregation change. These indexes showed differences in soil aggregation resulting from changes in land use (conserved TDF, grazed TDF, and cultivated pasture). The indexes showed that there is greater stability of the aggregates during the rainy season than in the dry season; as well as in the higher part of the slope than in the lower one. The relationship of the edaphic properties with the ASItest indicator was mainly with radical volume, and less so with exchangeable bases (calcium and magnesium), clay, and organic carbon. The proposed soil aggregation indexes allowed monitoring spatiotemporal changes in soil structure. |
| author |
Martinez-Trinidad,S Cotler,H Cruz-Cárdenas,G |
| author_facet |
Martinez-Trinidad,S Cotler,H Cruz-Cárdenas,G |
| author_sort |
Martinez-Trinidad,S |
| title |
The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| title_short |
The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| title_full |
The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| title_fullStr |
The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| title_full_unstemmed |
The aggregates stability indicator <ASItest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| title_sort |
aggregates stability indicator <asitest> to evaluate soil spatiotemporal change in a tropical dry ecosystem |
| publisher |
Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo |
| publishDate |
2012 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162012000200015 |
| work_keys_str_mv |
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1714206429007577088 |