Effects of land-use change on some properties of tropical soils - An example from Southeast México
We studied the effects of land-use and land-cover changes on physical and chemical properties of soil in tropical South-East Mexico. In the study area of about 5500 km2, the dominant land use is pastureland (Pa seasonal agriculture (TA), fruit plantations (FP), sugarcane, (SC) secondary (SF) and primary forest (PF) and other not specified land-use types (undefined). From 1988 to 2003 severe deforestation took place and pastureland increased by 179% while primary forest decreased to 17% of the initial area. Based on topographic and soil maps we selected 176 sampling sites covering the combinations of topography and soil type. In 2005, we took soil samples in each selected site from two soil depths (0-20 cm and 20-40 cm). We analyzed fertility parameters like pH, texture and contents of organic carbon, total nitrogen and available phosphorus. Furthermore, we measured soil resistance against penetration in layers of 5 cm down to a depth of 40 cm. We estimated land-use changes between 1988 and 2005 using digital land-use maps derived from satellite and aerial photography interpretation. We compared soil properties of different soil types, soils under different current land use and under the influence of land-cover changes. Gleysols, Vertisols, Regosols, Luvisols and Leptosols showed clay to clay loam texture, whereas Cambisols were characterized by sandy clay loam texture. All soil groups in the study region were slightly acidic with pH(KCl) values between 5.3 and 6.2. Furthermore, they neither showed significant differences in available P content nor in C/N ratio. However, the investigated soil associations displayed different organic carbon and total nitrogen contents in the upper 20 cm depth.
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Análisis de suelos Uso de la tierra Fertilidad del suelo Química de suelos Deforestación Suelos tropicales Artfrosur Análisis de suelos Uso de la tierra Fertilidad del suelo Química de suelos Deforestación Suelos tropicales Artfrosur |
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Análisis de suelos Uso de la tierra Fertilidad del suelo Química de suelos Deforestación Suelos tropicales Artfrosur Análisis de suelos Uso de la tierra Fertilidad del suelo Química de suelos Deforestación Suelos tropicales Artfrosur Geissen Geissen, Violette Doctora autora 2022 Sánchez Hernández, Rufo autor 12411 Kampichler, Christian Doctor autor 14772 Ramos Reyes, Rodimiro Doctor autor 12569 Sepúlveda Lozada, Alejandra Doctora autora 13791 Ochoa Gaona, Susana Doctora autora 72 De Jong, Bernardus Hendricus Jozeph Doctor autor 2038 Huerta Lwanga, Esperanza Doctora autora 2039 Hernández Daumás, Salvador Doctor autor 2023 Effects of land-use change on some properties of tropical soils - An example from Southeast México |
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We studied the effects of land-use and land-cover changes on physical and chemical properties of soil in tropical South-East Mexico. In the study area of about 5500 km2, the dominant land use is pastureland (Pa seasonal agriculture (TA), fruit plantations (FP), sugarcane, (SC) secondary (SF) and primary forest (PF) and other not specified land-use types (undefined). From 1988 to 2003 severe deforestation took place and pastureland increased by 179% while primary forest decreased to 17% of the initial area. Based on topographic and soil maps we selected 176 sampling sites covering the combinations of topography and soil type. In 2005, we took soil samples in each selected site from two soil depths (0-20 cm and 20-40 cm). We analyzed fertility parameters like pH, texture and contents of organic carbon, total nitrogen and available phosphorus. Furthermore, we measured soil resistance against penetration in layers of 5 cm down to a depth of 40 cm. We estimated land-use changes between 1988 and 2005 using digital land-use maps derived from satellite and aerial photography interpretation. We compared soil properties of different soil types, soils under different current land use and under the influence of land-cover changes. Gleysols, Vertisols, Regosols, Luvisols and Leptosols showed clay to clay loam texture, whereas Cambisols were characterized by sandy clay loam texture. All soil groups in the study region were slightly acidic with pH(KCl) values between 5.3 and 6.2. Furthermore, they neither showed significant differences in available P content nor in C/N ratio. However, the investigated soil associations displayed different organic carbon and total nitrogen contents in the upper 20 cm depth. |
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Análisis de suelos Uso de la tierra Fertilidad del suelo Química de suelos Deforestación Suelos tropicales Artfrosur |
| author |
Geissen Geissen, Violette Doctora autora 2022 Sánchez Hernández, Rufo autor 12411 Kampichler, Christian Doctor autor 14772 Ramos Reyes, Rodimiro Doctor autor 12569 Sepúlveda Lozada, Alejandra Doctora autora 13791 Ochoa Gaona, Susana Doctora autora 72 De Jong, Bernardus Hendricus Jozeph Doctor autor 2038 Huerta Lwanga, Esperanza Doctora autora 2039 Hernández Daumás, Salvador Doctor autor 2023 |
| author_facet |
Geissen Geissen, Violette Doctora autora 2022 Sánchez Hernández, Rufo autor 12411 Kampichler, Christian Doctor autor 14772 Ramos Reyes, Rodimiro Doctor autor 12569 Sepúlveda Lozada, Alejandra Doctora autora 13791 Ochoa Gaona, Susana Doctora autora 72 De Jong, Bernardus Hendricus Jozeph Doctor autor 2038 Huerta Lwanga, Esperanza Doctora autora 2039 Hernández Daumás, Salvador Doctor autor 2023 |
| author_sort |
Geissen Geissen, Violette Doctora autora 2022 |
| title |
Effects of land-use change on some properties of tropical soils - An example from Southeast México |
| title_short |
Effects of land-use change on some properties of tropical soils - An example from Southeast México |
| title_full |
Effects of land-use change on some properties of tropical soils - An example from Southeast México |
| title_fullStr |
Effects of land-use change on some properties of tropical soils - An example from Southeast México |
| title_full_unstemmed |
Effects of land-use change on some properties of tropical soils - An example from Southeast México |
| title_sort |
effects of land-use change on some properties of tropical soils - an example from southeast méxico |
| work_keys_str_mv |
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KOHA-OAI-ECOSUR:365382024-03-12T13:00:51ZEffects of land-use change on some properties of tropical soils - An example from Southeast México Geissen Geissen, Violette Doctora autora 2022 Sánchez Hernández, Rufo autor 12411 Kampichler, Christian Doctor autor 14772 Ramos Reyes, Rodimiro Doctor autor 12569 Sepúlveda Lozada, Alejandra Doctora autora 13791 Ochoa Gaona, Susana Doctora autora 72 De Jong, Bernardus Hendricus Jozeph Doctor autor 2038 Huerta Lwanga, Esperanza Doctora autora 2039 Hernández Daumás, Salvador Doctor autor 2023 textengWe studied the effects of land-use and land-cover changes on physical and chemical properties of soil in tropical South-East Mexico. In the study area of about 5500 km2, the dominant land use is pastureland (Pa seasonal agriculture (TA), fruit plantations (FP), sugarcane, (SC) secondary (SF) and primary forest (PF) and other not specified land-use types (undefined). From 1988 to 2003 severe deforestation took place and pastureland increased by 179% while primary forest decreased to 17% of the initial area. Based on topographic and soil maps we selected 176 sampling sites covering the combinations of topography and soil type. In 2005, we took soil samples in each selected site from two soil depths (0-20 cm and 20-40 cm). We analyzed fertility parameters like pH, texture and contents of organic carbon, total nitrogen and available phosphorus. Furthermore, we measured soil resistance against penetration in layers of 5 cm down to a depth of 40 cm. We estimated land-use changes between 1988 and 2005 using digital land-use maps derived from satellite and aerial photography interpretation. We compared soil properties of different soil types, soils under different current land use and under the influence of land-cover changes. Gleysols, Vertisols, Regosols, Luvisols and Leptosols showed clay to clay loam texture, whereas Cambisols were characterized by sandy clay loam texture. All soil groups in the study region were slightly acidic with pH(KCl) values between 5.3 and 6.2. Furthermore, they neither showed significant differences in available P content nor in C/N ratio. However, the investigated soil associations displayed different organic carbon and total nitrogen contents in the upper 20 cm depth.Soils under different current land use did not show any significant differences with respect to available phosphorus, organic carbon, total nitrogen and C/N ratio whereas the pH value was significantly higher under seasonal agriculture than under pasture. Land-use changes between 1988 and 2003 did not significantly influence the contents of available phosphorus and organic carbon or the C/N ratio. However, total nitrogen was significantly higher in soils which were changed from forest in 1988 to seasonal agriculture in 2003 (F-TA) than in soils changed from forest to pastureland (F-Pa) or from pasture to forestland (Pa-F). Furthermore, soils under land-use change F-TA were less acidic in both depths than soils under Pa-F, TA-Pa, or which remained pastureland over the whole time (Pa-Pa). Soils in pastureland were significantly more compacted in all layers than soils used for seasonal agriculture. Soils that were used for pastureland already in 1988 showed significantly higher compaction than most of the other soils. We conclude that land-use change in a period of 15 years did not lead to chemical soil degradation. However, permanent pastureland leads to a severe compaction of soils.We studied the effects of land-use and land-cover changes on physical and chemical properties of soil in tropical South-East Mexico. In the study area of about 5500 km2, the dominant land use is pastureland (Pa seasonal agriculture (TA), fruit plantations (FP), sugarcane, (SC) secondary (SF) and primary forest (PF) and other not specified land-use types (undefined). From 1988 to 2003 severe deforestation took place and pastureland increased by 179% while primary forest decreased to 17% of the initial area. Based on topographic and soil maps we selected 176 sampling sites covering the combinations of topography and soil type. In 2005, we took soil samples in each selected site from two soil depths (0-20 cm and 20-40 cm). We analyzed fertility parameters like pH, texture and contents of organic carbon, total nitrogen and available phosphorus. Furthermore, we measured soil resistance against penetration in layers of 5 cm down to a depth of 40 cm. We estimated land-use changes between 1988 and 2005 using digital land-use maps derived from satellite and aerial photography interpretation. We compared soil properties of different soil types, soils under different current land use and under the influence of land-cover changes. Gleysols, Vertisols, Regosols, Luvisols and Leptosols showed clay to clay loam texture, whereas Cambisols were characterized by sandy clay loam texture. All soil groups in the study region were slightly acidic with pH(KCl) values between 5.3 and 6.2. Furthermore, they neither showed significant differences in available P content nor in C/N ratio. However, the investigated soil associations displayed different organic carbon and total nitrogen contents in the upper 20 cm depth.Soils under different current land use did not show any significant differences with respect to available phosphorus, organic carbon, total nitrogen and C/N ratio whereas the pH value was significantly higher under seasonal agriculture than under pasture. Land-use changes between 1988 and 2003 did not significantly influence the contents of available phosphorus and organic carbon or the C/N ratio. However, total nitrogen was significantly higher in soils which were changed from forest in 1988 to seasonal agriculture in 2003 (F-TA) than in soils changed from forest to pastureland (F-Pa) or from pasture to forestland (Pa-F). Furthermore, soils under land-use change F-TA were less acidic in both depths than soils under Pa-F, TA-Pa, or which remained pastureland over the whole time (Pa-Pa). Soils in pastureland were significantly more compacted in all layers than soils used for seasonal agriculture. Soils that were used for pastureland already in 1988 showed significantly higher compaction than most of the other soils. We conclude that land-use change in a period of 15 years did not lead to chemical soil degradation. However, permanent pastureland leads to a severe compaction of soils.Adobe Acrobat profesional 6.0 o superiorAnálisis de suelosUso de la tierraFertilidad del sueloQuímica de suelosDeforestaciónSuelos tropicalesArtfrosurDisponible en líneaGeodermaDisponible para usuarios de ECOSUR con su clave de acceso |