First meeting of the Editorial Board of the Soil Atlas of Asia, 12 - 15 March 2018, Quezon City, Philippines. The preparation of the Soil Atlas of Asia is sponsored by Joint Research Centre of the European Commission (JRC-EC).
In the agroecological zone of the Biemso basin in the Ashanti Region of Ghana, soil erodibility
and rainfall erosivity patterns were estimated. The study aimed at investigating the temporal
variability of rainfall erosivity using the Fournier Index Method and assessing the soil
erodibility parameters of a Sawah site using the WEPP model. Four plots representing the
major land uses in the area for maize, oil palm, natural vegetation and plantain cultivation
were selected. Results showed that soil organic matter content ranged from 1.95 to 5.52%;
sand ranged from 14.34 to 31.86 %; silt ranged from 31.63 to 68.77%; clay ranged from 16.04
to 20.08% and very fine sand from 3.38 to 8.84%. The derived interrill erodibility (Ki) values
ranged from 44.26 to 51.70 kg s m-4 under all land uses considered at the study site and soils
in the study area were moderately resistant to erosion by raindrops. The derived rill erodibility
(Kr) values ranged from 0.005 to 0.012 s m-1 under all land uses considered at the study site.
Rill erodibility values were higher at the foot slopes under all land uses except under Oil Palm
land use. Rainfall values exceeded the 20-25 mm threshold value for erosive rains. Erosivity
values determined for the study site revealed a moderate erosion risk in the major rainy season
(April-July); low erosion risk in the minor rainy season (August-October ) and very low erosion
risk in the dry season (November-March). It is recommended that soil and land management
practices that would reduce water erosion during the major rainy season should be implemented
such as bunding, mulching and contour farming.
Dynamic simulation model of land use changesTarig Gibreel
This document presents a simulation model for projecting land use changes in Sudano-sahelian countries of Africa. The model represents the major processes driving land use change in the region in a dynamic way. It aims to better understand the causes of past land use changes and make projections into the future. The key variables included in the model are human and livestock populations, rainfall, and cereal imports. The model aims to achieve equilibrium between land area allocated to different uses like crops, pasture, and fallow and the resources demanded by populations from these lands.
This document discusses methods for inventorying and monitoring tree resources outside of forests using high-resolution aerial imagery. It summarizes research mapping trees in agricultural landscapes to quantify their ecosystem functions. The research uses object-based image analysis of National Agriculture Imagery Program imagery to map trees at county-scales. Functions like windbreaks and riparian areas are identified. Historical windbreak plantings are also digitized from archives to assess changes over time. The research aims to fill gaps in quantifying trees outside forests to better account for their benefits.
Carla Ximena SALINAS "Numerical model to assess the impact of the strategies ...Global Risk Forum GRFDavos
The document presents a numerical model for assessing social, economic, and environmental impacts of policies to combat desertification in Chile. It summarizes the development of a methodology using descriptive and predictive territorial and socioeconomic indicators to simulate future desertification under different scenarios. Regression analysis was used to relate land use and socioeconomic structure. The model shows that investments in agriculture, livestock, and forestry by government agencies contribute to reducing desertification, while overgrazing increases it. In scenarios without these investments, desertification worsens in all regions, showing the importance of promotion laws in the fight against desertification.
Food production needs to double by 2050 without using more land, water or fertilizer. Improved soil fertility is key. Soil fertility maps are integral to land evaluation and planning. They are used in surveys, reports, assessments and more. Creating soil fertility maps involves soil sampling, analysis, and mapping using tools like GPS, remote sensing, photography, and GIS. Maps show soil indicators and help plan soil management. Kerala and other regions have soil testing labs and produce maps and soil health cards.
First meeting of the Editorial Board of the Soil Atlas of Asia, 12 - 15 March 2018, Quezon City, Philippines. The preparation of the Soil Atlas of Asia is sponsored by Joint Research Centre of the European Commission (JRC-EC).
In the agroecological zone of the Biemso basin in the Ashanti Region of Ghana, soil erodibility
and rainfall erosivity patterns were estimated. The study aimed at investigating the temporal
variability of rainfall erosivity using the Fournier Index Method and assessing the soil
erodibility parameters of a Sawah site using the WEPP model. Four plots representing the
major land uses in the area for maize, oil palm, natural vegetation and plantain cultivation
were selected. Results showed that soil organic matter content ranged from 1.95 to 5.52%;
sand ranged from 14.34 to 31.86 %; silt ranged from 31.63 to 68.77%; clay ranged from 16.04
to 20.08% and very fine sand from 3.38 to 8.84%. The derived interrill erodibility (Ki) values
ranged from 44.26 to 51.70 kg s m-4 under all land uses considered at the study site and soils
in the study area were moderately resistant to erosion by raindrops. The derived rill erodibility
(Kr) values ranged from 0.005 to 0.012 s m-1 under all land uses considered at the study site.
Rill erodibility values were higher at the foot slopes under all land uses except under Oil Palm
land use. Rainfall values exceeded the 20-25 mm threshold value for erosive rains. Erosivity
values determined for the study site revealed a moderate erosion risk in the major rainy season
(April-July); low erosion risk in the minor rainy season (August-October ) and very low erosion
risk in the dry season (November-March). It is recommended that soil and land management
practices that would reduce water erosion during the major rainy season should be implemented
such as bunding, mulching and contour farming.
Dynamic simulation model of land use changesTarig Gibreel
This document presents a simulation model for projecting land use changes in Sudano-sahelian countries of Africa. The model represents the major processes driving land use change in the region in a dynamic way. It aims to better understand the causes of past land use changes and make projections into the future. The key variables included in the model are human and livestock populations, rainfall, and cereal imports. The model aims to achieve equilibrium between land area allocated to different uses like crops, pasture, and fallow and the resources demanded by populations from these lands.
This document discusses methods for inventorying and monitoring tree resources outside of forests using high-resolution aerial imagery. It summarizes research mapping trees in agricultural landscapes to quantify their ecosystem functions. The research uses object-based image analysis of National Agriculture Imagery Program imagery to map trees at county-scales. Functions like windbreaks and riparian areas are identified. Historical windbreak plantings are also digitized from archives to assess changes over time. The research aims to fill gaps in quantifying trees outside forests to better account for their benefits.
Carla Ximena SALINAS "Numerical model to assess the impact of the strategies ...Global Risk Forum GRFDavos
The document presents a numerical model for assessing social, economic, and environmental impacts of policies to combat desertification in Chile. It summarizes the development of a methodology using descriptive and predictive territorial and socioeconomic indicators to simulate future desertification under different scenarios. Regression analysis was used to relate land use and socioeconomic structure. The model shows that investments in agriculture, livestock, and forestry by government agencies contribute to reducing desertification, while overgrazing increases it. In scenarios without these investments, desertification worsens in all regions, showing the importance of promotion laws in the fight against desertification.
Food production needs to double by 2050 without using more land, water or fertilizer. Improved soil fertility is key. Soil fertility maps are integral to land evaluation and planning. They are used in surveys, reports, assessments and more. Creating soil fertility maps involves soil sampling, analysis, and mapping using tools like GPS, remote sensing, photography, and GIS. Maps show soil indicators and help plan soil management. Kerala and other regions have soil testing labs and produce maps and soil health cards.
Soil Erosion Risk Assessment Using GIS Based USLE Model for Soil and Water Co...Agriculture Journal IJOEAR
— Soil erosion is natural phenomena and is modified by biophysical environment comprising soil, climate, terrain, ground cover and their interactions. Due to different factors, it is difficult to make watershed management successful in all areas at one time. Because of this, prioritization of sub watershed is very important for soil conservation planning and implementation. In Somodo watershed more than five years different soil and water conservation technologies were implemented and satisfactory result was not recorded. In this aspect, it is important to consider further watershed management planning., This study therefore investigated soil erosion risk assessment using GIS and USLE model for soil and water conservation in Somodo watershed southwestern Ethiopia with the aim of estimating soil erosion rate and identify soil erosion hot pot areas through prioritization of sub watershed in Somodo watershed by the help of GIS based USLE model. Both primary and secondary data sources were used for model input. These data were computed at a grid level with 30*30m resolution and then overlaid to generate mean annual soil loss by the help of raster calculator in Arc GIS tool. Results of the study showed that, the mean annual soil loss of the watershed was 18.69 ton ha-1 year-1 ranging from 0 to 131.21. More than 75% of the watershed have soil loss greater than 20 ton ha-1 year-1 and only 25% of the area have soil loss less than 10 ton ha-1 year-1 .On the bases of mean annual soil loss SW-4, SW-6 and SW-7 were under slight (0-10 ton ha-1 year-1) erosion severity level, while the remaining SW-2, SW-3 and SW-8 were under moderate (10-20 ton ha-1 year-1) level. And SW-1 was in high (20-30 ton ha-1 year-1) erosion severity level, where as SW-5 and SW-9 were found in very high (>30 ton ha-1 year-1) erosion severity level. Since large area of the watershed has soil loss more than tolerable level (11 ton ha-1 year-1) attention should be given to identify erosion hot spot areas to minimize the on-site and off-site problems. Therefore, the study suggested that for effective watershed management and soil conservation planning, these sub-watershed priorities should be used in the watershed.
Mapping and Monitoring Spatial-Temporal Cover Change of Prosopis Species Colo...inventionjournals
ABSTRACT: This study integrates Gis and remote sensing to detect, quantify and monitor the rate at which Prosopis species colonization has been taking place since its introduction. Multi-date Landsat 30m resolution imageries covering a period of 25 years were classified into four classes i.e. Prosopis species dominated canopy, mixed woodland, grass land and bush land and finally bare land and agricultural fields. Change detection analysis was performed using 10% threshold to identify and quantify areas where change or No change has occurred. The results indicate that the area under bare land and agricultural fields decreased at a rate of 18.22% per year from 29% in 1985 to 3% in 1990. Between 2005 and 2010 it decreased from 9% in 2005 to 5% in 2010 at a rate of 8.94% per year. Prosopis species colonization has been increasing since 1985 where it was at 0% increasing to 51% in 1990 at a rate of 58.18% per year. Between 2005 and 2010 it decreased from 56% in 2005 to stand at 44% in 2010 at a rate of 4.34% per year. The study found out that there is no threat of desertification in the study area as a result of Prosopis species colonizing the landscape. More studies to be done to identify sustainable method of controlling Prosopis species colonization to avoid more loss of agricultural land and grazing fields.
This document provides an overview of a watershed-based research project in Ethiopia aimed at mitigating land degradation and improving livelihoods. The project characterized the Gumara-Maksegnit watershed through soil sampling and satellite imagery analysis. Research interventions focused on sustainable land management, water harvesting, and supplemental irrigation. Key results showed that soil conservation measures reduced sediment yield by up to 44% and watershed modeling indicated reforestation and conservation could decrease sediment yield by 79-86%. The project also evaluated new crop varieties, agronomic practices, and introduced forage crops and goat breeding to improve agricultural productivity and livelihoods.
The document discusses the economics of land degradation and improvement. It defines key terms like land, soil, ecosystem services, land degradation, and sustainable land management. Around 25-30% of global land area is estimated to be degraded, affecting the livelihoods of many poor populations. Land degradation leads to significant economic costs and impacts food security. Addressing land degradation through sustainable land management practices can help mitigate these costs, though upfront investments are required. Economics of Land Degradation research aims to quantify these costs and benefits to inform better land use policies.
Shrinkage and carbon stock in wetlands of fogera plain, north west ethiopiaAlexander Decker
This document summarizes a study on wetland shrinkage and carbon sequestration in wetlands in Fogera Plain, North West Ethiopia. Satellite images from 1973, 1994, and 2011 showed that the area of wetlands decreased from 25.73% to 19.59% of the total area over this period. Soil samples from different wetland types showed lower carbon content in sedimented wetlands compared to undisturbed wetlands, indicating sediment deposition reduces carbon sequestration. Interviews found local farmers draining wetlands for agriculture is a key cause of shrinkage. Overall, the study found wetland shrinkage and sediment deposition have weakened these ecosystems' ability to store carbon compared to less disturbed wet
This document summarizes a research paper that evaluates rangeland suitability for livestock production in Dire District, Ethiopia using remote sensing and GIS techniques. Specifically, the study:
1) Analyzed environmental factors like land use/cover, soil, slope, and rainfall as well as socioeconomic factors including access to water, veterinary services, and markets.
2) Classified the study area into suitability classes (high, moderate, marginal, not suitable) for cattle, sheep, goats, and camels using these factors in a GIS multi-criteria analysis.
3) Found that 5.6-10.1% of land was highly suitable for different livestock, 44.7
Remote sensing is useful for several applications in agriculture, forestry, geology, urban planning, coastal environments, and ocean resources. It allows for crop yield modeling, forest stock quantification, oil spill monitoring and response, land use analysis, assessing coastal ecosystems, and identifying potential fishing zones. Remote sensing provides essential information for management and policy decisions across these domains.
IRJET- Classification of Agricultural Land’s CapabilityIRJET Journal
This document discusses the classification of agricultural land capability. It provides background on different land classification systems used internationally. The study area is located in parts of Saharanpur and Hardwar districts of Uttar Pradesh and Uttarakhand in India. Remote sensing data, topographical maps, and ground surveys were used to classify the agricultural land capability in the study area. The classification involved visual interpretation of remote sensing data at different scales, field surveys, and synthesis of interpreted data and field surveys. The classification accuracy compared to ground truth was found to be approximately 85%.
Soil Organic Carbon mapping by geo- and class- matchingExternalEvents
The presentation was given by Mr. Bas Kempen & Ms. V.L. Mulder, ISRIC, during the GSOC Mapping Global Training hosted by ISRIC - World Soil Information, 6 - 23 June 2017, Wageningen (The Netherlands).
Barrios-Perez, et al. determination of suitable agro-climatic areas for the i...Camilo Barrios Perez
The methodology used for Colombia Suitability Maps was developed by Nelson et al., 2015 (IRRI). These maps were part of the CCAC (Climate & Clean Air Coalition) Paddy Rice project, funded by UNEP, which was conducted simultaneously in Vietnam, Bangladesh and Colombia.
The total rice area in Colombia during the first semester is 171,466.7 has, from which 40,684 has (26%) are classified as moderately and highly suitable for the implementation of AWD. On the other hand, the total area in the second semester is 163,610 has, from which 42,738.2 has (26%) are considered high and moderate. It is to be noted that after completing the study about the irrigation districts, the area suitable for AWD could be increased.
In the following link, you can read more information related to this research:
http://blog.ciat.cgiar.org/more_tools_for_colombian_rice_producers_to_face_climate_challenges_by_2030/
Landscape impacts of bioenergy production using state-and-transition modeling Jennifer Costanza
Overview of simulation modeling to assess landscape impacts of biomass production for bioenergy in North Carolina. This is a talk I gave at the 2nd State-and-Transition Simulation Modeling Conference in Ft. Collins, CO. http://www.stsm2014.org/index.php?title=Home
The document discusses the differences between land use and land cover. Land use refers to how humans use the land, such as for agriculture, settlements, or mining. Land cover refers to the physical attributes of the land surface, such as vegetation, water, or bare soil. The United States Geological Survey developed a widely used land use and land cover classification system in the 1970s that categorizes land into classes such as urban, agricultural, forest, water, and wetlands. The system was designed to be applied using remote sensing data and aims to achieve consistent land classifications.
This document summarizes the baseline deforestation rates projected for the Cordillera Azul REDD project area in Peru from 2008-2017. Historic deforestation trends were analyzed using satellite imagery from 1989-2003 to model baseline rates for districts surrounding the project area. Baseline projections estimated annual deforestation rates of 0.3-0.9% for the project area, which is higher than Peru's national average deforestation rate of 0.1%. The multi-stakeholder project aims to reduce deforestation through conservation and protection activities in the 1.4 million hectare Parque Nacional Cordillera Azul.
Livestock-Climate Change CRSP Annual Meeting 2011: GSFA/RIVERS Project Update...Colorado State University
A description of the Livestock-Climate Change CRSP's GSFA/RIVERS Project (Management of River Systems for the Future) and update on the current status of the project. Presentation given by J. McPeak (Syracuse University) at the Livestock-Climate Change CRSP Annual Meeting, Golden, CO, April 26-27, 2011.
GHG Emissions in Southeastern Amazonia: The Effect of Agricultural Intensific...Christine O'Connell
Agricultural intensification in southeastern Amazonia may have unintended consequences for greenhouse gas emissions. A case study of a ranch in the region with forest, soybean, and double-cropped soybean/maize fields found some surprising results. Nitrous oxide emissions, a potent greenhouse gas, remained low overall but spiked temporarily after fertilizer application. Carbon dioxide emissions were higher in croplands during the wet season. Methane emissions became less variable after deforestation. While further study is needed at larger scales, these initial field measurements provide insights into how cultivation is altering the regional nitrogen cycle and greenhouse gas dynamics in this transforming landscape.
Tropical forests in a changing world: Investigating global change impacts in ...Christine O'Connell
The document summarizes a presentation on the impacts of land use change and climate change on tropical forests in Amazonia and Puerto Rico. In Amazonia, the presentation examines how agricultural expansion and intensification impact carbon storage, energy balance, and habitat. It finds that the location of future agricultural expansion will largely determine impacts on ecosystem services. In Puerto Rico, it analyzes the effects of a severe drought on soil biogeochemistry and greenhouse gas emissions, finding complex impacts varying by topography. The presentation concludes that land use change likely has larger biogeochemical effects than agricultural intensification, and climate impacts on tropical forests will involve nutrient cycle feedbacks.
Balancing Tradeoffs: Reconciling multiple environmental goals in an agricultu...Christine O'Connell
This document summarizes a study that assessed tradeoffs between agricultural expansion and ecosystem services in the Amazon. The study combined remote sensing data, models and other datasets to examine how land use change impacts carbon storage, energy balance, habitat quality and agricultural gains across the Amazon. It then developed an algorithm to expand agriculture in a way that minimizes combined harm to these ecosystem services, while varying the priority given to carbon, climate and habitat. The results showed that taking an explicit, strategic approach to land conservation could help achieve multiple environmental goals in the large, dynamic Amazon ecosystem.
Integrated landscape management: Africa RISING R4D experiences in the Ethiopi...africa-rising
Presented by Lulseged Tamene, Tesfaye Yaekob, James Ellison, Kindu Mekonnen, Kifle Woldearegay, Zenebe Adimassu, Temesgen Alene, Workneh Dubale, Mohammed Ibrahim, Biyensa Gurmessa, Girma Kassie and Peter Thorne at the Workshop and Exhibition on Promoting Productivity and Market Access Technologies and Approaches to Improve Farm Income and Livelihoods in Ethiopia: Lessons from Action Research Projects, ILRI, Addis Ababa, 8-9 December 2016
Soil Erosion Risk Assessment Using GIS Based USLE Model for Soil and Water Co...Agriculture Journal IJOEAR
— Soil erosion is natural phenomena and is modified by biophysical environment comprising soil, climate, terrain, ground cover and their interactions. Due to different factors, it is difficult to make watershed management successful in all areas at one time. Because of this, prioritization of sub watershed is very important for soil conservation planning and implementation. In Somodo watershed more than five years different soil and water conservation technologies were implemented and satisfactory result was not recorded. In this aspect, it is important to consider further watershed management planning., This study therefore investigated soil erosion risk assessment using GIS and USLE model for soil and water conservation in Somodo watershed southwestern Ethiopia with the aim of estimating soil erosion rate and identify soil erosion hot pot areas through prioritization of sub watershed in Somodo watershed by the help of GIS based USLE model. Both primary and secondary data sources were used for model input. These data were computed at a grid level with 30*30m resolution and then overlaid to generate mean annual soil loss by the help of raster calculator in Arc GIS tool. Results of the study showed that, the mean annual soil loss of the watershed was 18.69 ton ha-1 year-1 ranging from 0 to 131.21. More than 75% of the watershed have soil loss greater than 20 ton ha-1 year-1 and only 25% of the area have soil loss less than 10 ton ha-1 year-1 .On the bases of mean annual soil loss SW-4, SW-6 and SW-7 were under slight (0-10 ton ha-1 year-1) erosion severity level, while the remaining SW-2, SW-3 and SW-8 were under moderate (10-20 ton ha-1 year-1) level. And SW-1 was in high (20-30 ton ha-1 year-1) erosion severity level, where as SW-5 and SW-9 were found in very high (>30 ton ha-1 year-1) erosion severity level. Since large area of the watershed has soil loss more than tolerable level (11 ton ha-1 year-1) attention should be given to identify erosion hot spot areas to minimize the on-site and off-site problems. Therefore, the study suggested that for effective watershed management and soil conservation planning, these sub-watershed priorities should be used in the watershed.
Mapping and Monitoring Spatial-Temporal Cover Change of Prosopis Species Colo...inventionjournals
ABSTRACT: This study integrates Gis and remote sensing to detect, quantify and monitor the rate at which Prosopis species colonization has been taking place since its introduction. Multi-date Landsat 30m resolution imageries covering a period of 25 years were classified into four classes i.e. Prosopis species dominated canopy, mixed woodland, grass land and bush land and finally bare land and agricultural fields. Change detection analysis was performed using 10% threshold to identify and quantify areas where change or No change has occurred. The results indicate that the area under bare land and agricultural fields decreased at a rate of 18.22% per year from 29% in 1985 to 3% in 1990. Between 2005 and 2010 it decreased from 9% in 2005 to 5% in 2010 at a rate of 8.94% per year. Prosopis species colonization has been increasing since 1985 where it was at 0% increasing to 51% in 1990 at a rate of 58.18% per year. Between 2005 and 2010 it decreased from 56% in 2005 to stand at 44% in 2010 at a rate of 4.34% per year. The study found out that there is no threat of desertification in the study area as a result of Prosopis species colonizing the landscape. More studies to be done to identify sustainable method of controlling Prosopis species colonization to avoid more loss of agricultural land and grazing fields.
This document provides an overview of a watershed-based research project in Ethiopia aimed at mitigating land degradation and improving livelihoods. The project characterized the Gumara-Maksegnit watershed through soil sampling and satellite imagery analysis. Research interventions focused on sustainable land management, water harvesting, and supplemental irrigation. Key results showed that soil conservation measures reduced sediment yield by up to 44% and watershed modeling indicated reforestation and conservation could decrease sediment yield by 79-86%. The project also evaluated new crop varieties, agronomic practices, and introduced forage crops and goat breeding to improve agricultural productivity and livelihoods.
The document discusses the economics of land degradation and improvement. It defines key terms like land, soil, ecosystem services, land degradation, and sustainable land management. Around 25-30% of global land area is estimated to be degraded, affecting the livelihoods of many poor populations. Land degradation leads to significant economic costs and impacts food security. Addressing land degradation through sustainable land management practices can help mitigate these costs, though upfront investments are required. Economics of Land Degradation research aims to quantify these costs and benefits to inform better land use policies.
Shrinkage and carbon stock in wetlands of fogera plain, north west ethiopiaAlexander Decker
This document summarizes a study on wetland shrinkage and carbon sequestration in wetlands in Fogera Plain, North West Ethiopia. Satellite images from 1973, 1994, and 2011 showed that the area of wetlands decreased from 25.73% to 19.59% of the total area over this period. Soil samples from different wetland types showed lower carbon content in sedimented wetlands compared to undisturbed wetlands, indicating sediment deposition reduces carbon sequestration. Interviews found local farmers draining wetlands for agriculture is a key cause of shrinkage. Overall, the study found wetland shrinkage and sediment deposition have weakened these ecosystems' ability to store carbon compared to less disturbed wet
This document summarizes a research paper that evaluates rangeland suitability for livestock production in Dire District, Ethiopia using remote sensing and GIS techniques. Specifically, the study:
1) Analyzed environmental factors like land use/cover, soil, slope, and rainfall as well as socioeconomic factors including access to water, veterinary services, and markets.
2) Classified the study area into suitability classes (high, moderate, marginal, not suitable) for cattle, sheep, goats, and camels using these factors in a GIS multi-criteria analysis.
3) Found that 5.6-10.1% of land was highly suitable for different livestock, 44.7
Remote sensing is useful for several applications in agriculture, forestry, geology, urban planning, coastal environments, and ocean resources. It allows for crop yield modeling, forest stock quantification, oil spill monitoring and response, land use analysis, assessing coastal ecosystems, and identifying potential fishing zones. Remote sensing provides essential information for management and policy decisions across these domains.
IRJET- Classification of Agricultural Land’s CapabilityIRJET Journal
This document discusses the classification of agricultural land capability. It provides background on different land classification systems used internationally. The study area is located in parts of Saharanpur and Hardwar districts of Uttar Pradesh and Uttarakhand in India. Remote sensing data, topographical maps, and ground surveys were used to classify the agricultural land capability in the study area. The classification involved visual interpretation of remote sensing data at different scales, field surveys, and synthesis of interpreted data and field surveys. The classification accuracy compared to ground truth was found to be approximately 85%.
Soil Organic Carbon mapping by geo- and class- matchingExternalEvents
The presentation was given by Mr. Bas Kempen & Ms. V.L. Mulder, ISRIC, during the GSOC Mapping Global Training hosted by ISRIC - World Soil Information, 6 - 23 June 2017, Wageningen (The Netherlands).
Barrios-Perez, et al. determination of suitable agro-climatic areas for the i...Camilo Barrios Perez
The methodology used for Colombia Suitability Maps was developed by Nelson et al., 2015 (IRRI). These maps were part of the CCAC (Climate & Clean Air Coalition) Paddy Rice project, funded by UNEP, which was conducted simultaneously in Vietnam, Bangladesh and Colombia.
The total rice area in Colombia during the first semester is 171,466.7 has, from which 40,684 has (26%) are classified as moderately and highly suitable for the implementation of AWD. On the other hand, the total area in the second semester is 163,610 has, from which 42,738.2 has (26%) are considered high and moderate. It is to be noted that after completing the study about the irrigation districts, the area suitable for AWD could be increased.
In the following link, you can read more information related to this research:
http://blog.ciat.cgiar.org/more_tools_for_colombian_rice_producers_to_face_climate_challenges_by_2030/
Landscape impacts of bioenergy production using state-and-transition modeling Jennifer Costanza
Overview of simulation modeling to assess landscape impacts of biomass production for bioenergy in North Carolina. This is a talk I gave at the 2nd State-and-Transition Simulation Modeling Conference in Ft. Collins, CO. http://www.stsm2014.org/index.php?title=Home
The document discusses the differences between land use and land cover. Land use refers to how humans use the land, such as for agriculture, settlements, or mining. Land cover refers to the physical attributes of the land surface, such as vegetation, water, or bare soil. The United States Geological Survey developed a widely used land use and land cover classification system in the 1970s that categorizes land into classes such as urban, agricultural, forest, water, and wetlands. The system was designed to be applied using remote sensing data and aims to achieve consistent land classifications.
This document summarizes the baseline deforestation rates projected for the Cordillera Azul REDD project area in Peru from 2008-2017. Historic deforestation trends were analyzed using satellite imagery from 1989-2003 to model baseline rates for districts surrounding the project area. Baseline projections estimated annual deforestation rates of 0.3-0.9% for the project area, which is higher than Peru's national average deforestation rate of 0.1%. The multi-stakeholder project aims to reduce deforestation through conservation and protection activities in the 1.4 million hectare Parque Nacional Cordillera Azul.
Livestock-Climate Change CRSP Annual Meeting 2011: GSFA/RIVERS Project Update...Colorado State University
A description of the Livestock-Climate Change CRSP's GSFA/RIVERS Project (Management of River Systems for the Future) and update on the current status of the project. Presentation given by J. McPeak (Syracuse University) at the Livestock-Climate Change CRSP Annual Meeting, Golden, CO, April 26-27, 2011.
GHG Emissions in Southeastern Amazonia: The Effect of Agricultural Intensific...Christine O'Connell
Agricultural intensification in southeastern Amazonia may have unintended consequences for greenhouse gas emissions. A case study of a ranch in the region with forest, soybean, and double-cropped soybean/maize fields found some surprising results. Nitrous oxide emissions, a potent greenhouse gas, remained low overall but spiked temporarily after fertilizer application. Carbon dioxide emissions were higher in croplands during the wet season. Methane emissions became less variable after deforestation. While further study is needed at larger scales, these initial field measurements provide insights into how cultivation is altering the regional nitrogen cycle and greenhouse gas dynamics in this transforming landscape.
Tropical forests in a changing world: Investigating global change impacts in ...Christine O'Connell
The document summarizes a presentation on the impacts of land use change and climate change on tropical forests in Amazonia and Puerto Rico. In Amazonia, the presentation examines how agricultural expansion and intensification impact carbon storage, energy balance, and habitat. It finds that the location of future agricultural expansion will largely determine impacts on ecosystem services. In Puerto Rico, it analyzes the effects of a severe drought on soil biogeochemistry and greenhouse gas emissions, finding complex impacts varying by topography. The presentation concludes that land use change likely has larger biogeochemical effects than agricultural intensification, and climate impacts on tropical forests will involve nutrient cycle feedbacks.
Balancing Tradeoffs: Reconciling multiple environmental goals in an agricultu...Christine O'Connell
This document summarizes a study that assessed tradeoffs between agricultural expansion and ecosystem services in the Amazon. The study combined remote sensing data, models and other datasets to examine how land use change impacts carbon storage, energy balance, habitat quality and agricultural gains across the Amazon. It then developed an algorithm to expand agriculture in a way that minimizes combined harm to these ecosystem services, while varying the priority given to carbon, climate and habitat. The results showed that taking an explicit, strategic approach to land conservation could help achieve multiple environmental goals in the large, dynamic Amazon ecosystem.
Integrated landscape management: Africa RISING R4D experiences in the Ethiopi...africa-rising
Presented by Lulseged Tamene, Tesfaye Yaekob, James Ellison, Kindu Mekonnen, Kifle Woldearegay, Zenebe Adimassu, Temesgen Alene, Workneh Dubale, Mohammed Ibrahim, Biyensa Gurmessa, Girma Kassie and Peter Thorne at the Workshop and Exhibition on Promoting Productivity and Market Access Technologies and Approaches to Improve Farm Income and Livelihoods in Ethiopia: Lessons from Action Research Projects, ILRI, Addis Ababa, 8-9 December 2016
This document provides information about the Office National des Forêts (ONF), France's national forestry office:
1. The ONF manages 4.7 million hectares of forest land in France and 8 million hectares overseas, employing over 9,500 people.
2. It aims to balance economic, environmental, and social responsibilities in forest management. Economically, it sells over 16.9 million cubic meters of timber annually. Environmentally, it focuses on biodiversity, soil/water protection, and certification. Socially, it facilitates public access and protects against natural hazards.
3. Soil compaction from forestry machinery is a concern. The EFFORTE project studied how soil
This case study will focus on peri-urban agriculture in France as a way to analyze tensions over soil use and different understandings of soil quality. Peri-urban agriculture represents nearly 30% of agricultural land in France and faces challenges from urban expansion consuming hectares of land. The case study will investigate soil quality management strategies through interviews with 25-30 stakeholders in the region, including farmers, experts, and administrators. It will identify issues, current management approaches, and stakeholder objectives to develop a comprehensive and sustainable strategy for improving total soil quality in the region while balancing conflicting uses.
État actuel et changements passés de l’étendue des zones humides en région mé...Aurélia Ledoux
- An estimated 18.5 million hectares of wetlands existed in the Mediterranean region around 2000, with one quarter consisting of artificial wetlands like reservoirs and rice fields.
- Past losses over the 20th century are estimated at around 50% of the original wetland areas.
- The study analyzes existing data on wetland areas in the 27 Mediterranean countries to provide the first overview of total wetland coverage and changes across the entire region.
Agroforestry in Europe Practice, research and policyPatrickTanz
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Evaluating the “Soil stabilisation and control of erosion” ecosystem service provided by agricultural ecosystems over the French territory
1. Evaluating the “Soil stabilisation and control of erosion”
ecosystem service provided by agricultural ecosystems
over the French territory
J. Daroussin, I. Cousin, A. Tibi, Y. Le Bissonnais,
A. Girardin, A. Meillet, P. Choler, O.Therond
INRA, France
1
2. 2
Rationale
French context
4 million hectares of grassland removed between 1971 and 2000
Increased risk of soil erosion
Develop agricultural ecosystems exhibiting a high level of control of erosion
Objective of this work
To propose a robust methodology to quantify the ecosystem service (ES)
linked to erosion control, at fine scale, for large areas
Framework
French National Assessment of Ecosystem Services (EFESE)
EFESE-EA project leaded by INRA for agricultural ecosystems
3. Ecosystem Socio-economic system
Other
ecosystems
Socio-economic
environment
Farmer
C
C
C
CC ES
ESC
C
Agricultural ecosystem
F
F
Benefit
(farmer)
Society
The EFESE-EA conceptual model for ES evaluation
Benefit
(society)
Biophysical determinants F Biophysical
exogenous factors
Anthropic
exogenous factors
F
Soil stabilisation and erosion control
. Preserve the soil capital and
the potential of production
. Limit irrigation
. Limit flooding and associated
mudslides
. Preserve soil water quality
4. The conceptual model applied to erosion ES
Biophysical determinants F Biophysical
exogenous factors
Anthropic
exogenous factors
F Anthropic
exogenous factors
Spatio temporal
configuration of
vegetation
Soil mineral and organic
composition
Ecosystem Socio-economic system
Other
ecosystems
Socio-economic
environment
Farmer
C
C
C
CC ES
ESC
C
Agricultural ecosystem
F
F
Benefit
(farmer)
SocietyBenefit
(society)
5. The conceptual model applied to erosion ES
Biophysical determinants F Biophysical
exogenous factors
Anthropic
exogenous factors
F Anthropic
exogenous factors
Spatio temporal
configuration of
vegetation
Soil mineral and organic
composition
Topography Rainfall
characteristics
Ecosystem Socio-economic system
Other
ecosystems
Socio-economic
environment
Farmer
C
C
C
CC ES
ESC
C
Agricultural ecosystem
F
F
Benefit
(farmer)
SocietyBenefit
(society)
6. The conceptual model applied to erosion ES
Biophysical determinants F Biophysical
exogenous factors
Anthropic
exogenous factors
F Anthropic
exogenous factors
Spatio temporal
configuration of
vegetation
Soil mineral and organic
composition
Topography Rainfall
characteristics
Ecosystem Socio-economic system
Other
ecosystems
Socio-economic
environment
Farmer
C
C
C
CC ES
ESC
C
Agricultural ecosystem
F
Benefit
(farmer)
SocietyBenefit
(society)
F
Irrigation
7. Spatio temporal
configuration of
vegetation
Soil mineral and organic
composition
Topography Rainfall
characteristics
Soil protection factor
by vegetation (bare
soil to forests and
permanent grasslands)
Soil
Crusting
Soil
Erodibility
French Land Parcel
Identification System
Corine Land Cover
MODIS data
1:1M European Soil Geographical Database:
Soil type
Surface texture
Parent material
Erosivity = f(slope,
runoff contributing
area)
French IGN Digital
Elevation Model at
25 m resolution
Rainfall agressiveness
= f(rainfall depth,
rainfall intensity)
Soil stabilisation and control of erosion
Météo-France data (30 years):
SAFRAN 8 km resolution
Aurhély model at
1 km resolution
8. Soil stabilisation and control of erosion
Soil protection factor
by vegetation (bare
soil to forests and
permanent grasslands)
Soil
Crusting
Soil
Erodibility
1:1M European Soil Geographical database:
Soil type
Surface texture
Parent material
French Land Parcel
Identification System
Corine Land Cover
MODIS data
Current erosion rate
Erosion rate for bare soil
everywhere
Erosion rate for permanent
cover everywhere
Maximum ES level =
(Erosion rate for bare soil)
– (Erosion rate for perm. cover)
Current ES level =
(Erosion rate for bare soil)
– (Current erosion rate)
Erosivity = f(slope,
runoff contributing
area)
Rainfall agressiveness
= f(rainfall depth,
rainfall intensity)
Météo-France data (30 years):
SAFRAN 8 km resolution
Aurhély model at
1 km resolution
French IGN Digital
Elevation Model at
25 m resolution
Erosion rateOne output per season ; annual average
9. Levels of Ecosystem Service
Current ES level Maximum ES level
(Erosion rate for bare soil) - (Current erosion rate) (Erosion rate for bare soil) - (Erosion rate for permanent cover)
Masque toutes Surface AGricoles (SAG)
serviceANU100
0 t/ha/year of stabilised soil
> 0 to 1
> 1 to 3
> 3 to 5
> 5 t/ha/year of stabilised soil
10. Levels of Ecosystem Service
Relative ES level
(Current ES level) / (Maximum ES level)
0 to 0.7
0.7 to 0.8
0.8 to 0.95
0.95 to 1
because serviceMax is = 0
EFESE
Écosystèmes Agricoles
(modèle Mesales)
06/03/2019 10:31:20
0 100 200 300
km
Masque toutes Surface AGricoles (SA
serviceRelatifANU100
0: because service is = 0
0 to 0.7
0.7 to 0.8
0.8 to 0.95
0.95 to 1
because serviceMax is = 0
Current ES level Max. ES level
11. Soil stabilization and erosion control at the
French scale
Vegetation effect
Predominant role of vegetation cover and seasonal phenology
Agricultural practices linked to a permanent soil cover: cover crops during fallow
period, management of surface residues, sowing under permanent cover
(especially for cropping areas with intense autumn and winter rainfalls)
Main improvement of the MESALES model for EFESE-EA
Seasonal variation of the vegetation cover
Possible additional improvements
Use of soil databases with data at finer resolution
Develop new pedotransfer functions for erodibility
Implement the retroaction of vegetal cover on the soil organic matter
Methodology available to be run at the European or Global scales
Evaluation of land cover and land-use change scenarios to test
political tools promoting high level services
12. Thank you for you attention !
Acknowledgements - This work was completed in the framework of the “EFESE -
Ecosystèmes Agricoles” study by INRA at the request of the French Ministry of Ecology. It
was also supported by INRA’s own research program on Ecosystem Services. The EFESE-EA
study involved about seventy scientific experts with complementary disciplinary expertise
(ecology, agronomy, hydrology, animal science, economy, etc.) and data management
specialists.
For more information, see the EFESE-EA report (in French), chapter 8.5 :
http://institut.inra.fr/Missions/Eclairer-les-decisions/Etudes/Toutes-les-
actualites/EFESE-services-ecosystemiques-rendus-par-les-ecosystemes-agricoles
15. The EFESE-EA conceptual model for ES evaluation
Ecosystem Socio-economic system
Other
ecosystems
Socio-economic
environment
Farmer
C
C
C
CC ES
ESC
C
Agricultural ecosystem
F
F
Benefit
(farmer)
SocietyBenefit
(society)
Biophysical determinants F Biophysical
exogenous factors
Anthropic
exogenous factors
F
16. 16
Levels of Ecosystem Service
Relative ES level
(Current ES level) / (Maximum ES level)
0 to 0.7
0.7 to 0.8
0.8 to 0.95
0.95 to 1
because serviceMax is = 0
EFESE
Écosystèmes Agricoles
(modèle Mesales)
06/03/2019 10:31:20
0 100 200 300
km
Masque toutes Surface AGricoles (SAG)
serviceRelatifANU100
0: because service is = 0
0 to 0.7
0.7 to 0.8
0.8 to 0.95
0.95 to 1
because serviceMax is = 0