Local changes in land use and land cover lulc affect. With contributions by leading scientists from around the world, this well. Time series land cover mapping and change detection. Principles and applications provides a synopsis of how remote sensing can be used for landcover characterization, mapping, and monitoring from the local to the global scale. Landuse change and its socioenvironmental impact in eastern. Ethiopia is part of the dynamic land cover change where more than 90% of the countrys highlands were once forested, and currently the percentage of forest cover is less than 4%. The alemaya district eastern ethiopian highlands is characterized by undulating physiographic features with arid, semiarid, and humid climatic conditions. The ethiopian highlands have experienced intense levels of land. Another study in the central rift valley of ethiopia reveals that population growth, decline in agricultural productivity, land tenure change and erratic rainfall have the major drivers of land use and land cover in the area garedew et al. Land use land cover changes around four water bodies situated in and near davangere city karnataka during the period 19702005 were analysed using satellite data and survey of india topo maps. Study of landuse and landcover changes for monitoring the uncontrolled gold mining activity in rophi megada forest. Click the button below to generate a new map based on this layer. Looking to the future, the book also identifies new frontiers in land cover mapping and forecasting.
This paper firstly analyzes the land use land cover lulc in lake ziway watershed ethiopia and quantifies the changing patterns from 1973 to 2014 using landsat images. Quantifying the hydrologic response of land useland cover change lulcc is of paramount importance to improve land management. A case study in bule hora wereda, oromia region, ethiopia written by adugna babu, r. To generate data on land consumption rate and land absorption coefficient since more emphasis is placed on builtup land. Although the country achieved double digit economic growth in the last decade, absence of a comprehensive national land use policy and national land use plan affected allocation of land to its best use. Land use decisions are often based on economic factors. Availability of global and national scale land cover products and. Land usecover spatiotemporal dynamics, driving forces and.
Pdf analysis of land useland cover change in adei watershed. Five sets of landsat images 1973, 1985, 1995, 2003 and 2015 were the main input data from which five lulc maps were. Ghana land cover time series 1975, 2000, and 20 download land cover and graphs data. Ethiopia sentinel2 land use land cover 2016 geonode. Land cover and landuse change fourth national climate. Land use and land cover change in the bale mountain ecoregion of ethiopia during 1985 to 2015. Land use land cover change have an impacts on grazing land since it is affected by forms of land degradation such as over cultivation, over grazing, deforestation and others. Land useland cover map of 1972 was prepared from toposheets while those of 1996, 2003 and 2007 were prepared from the satellite imageries based on ground observations. With particular to ethiopia different studies particularly in the highlands of ethiopia indicated considerable land cover change lcc is a continuous process due to increase in. Filling the need for a comprehensive book that covers both theory and application, remote sensing of land use and land cover.
From the land comes sustenance, status and often political power. Dynamics of land use land cover change and urbanization in. There is a functional and structural complexity between types of land cover change, both in spatial and temporal patterns of change lambin and geist, 2003. To this end, this study assessed the trends of lulcc and its drivers in western ethiopia. Anthropogenic factors are responsible for major land use and land cover changes lulcc. Impact of land cover change on water quality and stream. The effect of land useland cover changes on ecosystem services valuation of winike watershed, omo gibe basin, ethiopia. Location map of the study area even though the relation between cities haphazard growth and environmental degradation stay long for urban dwellers. According to these studies, ethiopia is characterized by a reduction of forest, woodlands.
The change detection of land use land cover of the st udy area 1972 2007 and its areal extent were given in. Determining the effects of landuse and landcover change on the earth system depends on an understanding of past landuse practices, current landuse and landcover patterns, and projections of future land use and cover, as affected by human distribution, economic development, technology and other factors tom, 2003. Ethiopia sentinel2 land use land cover 2016 license public domain pd. Most of these studies identified that deforestation and expansion of cultivation land in to marginal areas were the principal cause of land degradation. Land usecover dynamics and its drivers in gelda catchment. However, the largest increases can be seen in the northeast, eastcentral, and southwestern regions of ghana. Participatory bayesian network modeling to understand driving factors of landuse change decisions. Plantation forests use more water per unit area per year than agricultural land. Land useland cover changes lulcc at adei watershed ethiopia over a period of 23 years. Identifying land usecover dynamics in the koga catchment. Land use land cover change detection in gibe sheleko. Changes may involve the nature or intensity of change but may also include spatial forest abatement at village level, or for a largescale agro industrial plant, and time aspects. Study of landuse and landcover changes for monitoring the.
To forecast the future pattern of land use land cover in the area. The main aim of the study was to assess land use land cover change detection lulcc from 1990 to 2016 in case of gibe sheleko national park gsnp, southwestern ethiopia. Evaluation of land useland cover changes in mekelle city. Mean monthly average minimum and maximum air temperature 0c for ilri.
Land use and land cover dynamics are widespread, accelerating, and significant processes driven by human actions but also producing changes that impact humans 2,3. Land use land cover in mining area is obviously affected by the development of mining industry which results in serious ecological degradation 5. Trend in land useland cover change detection by rs and. In tigray state, northern ethiopia, where the detailed research on which this paper is based has been centered, and in the. Evaluating the dynamics of land use land cover change. Land use and land cover changes and their effects on the landscape of abayachamo basin, southern ethiopia. While we cannot do justice here to everything that the multiperiod maps show, we can point out. Understanding the trajectories and extents of land use land cover change lulcc is important to generate and provide helpful information to policymakers and development practitioners about the magnitude and trends of lulcc. Effect of land use and land cover changes on soil erosion in. Land use land cover change and soil erosion in ethiopia. In most parts of the world, agriculture is the primary driver of land use change. This study presents the contributing factors of lulcc, the extent and implications of these changes for sustainable land use in the finchaa catchment. Land use land cover change trend and its drivers in somodo watershed south western, ethiopia article pdf available in african journal of agricultural research 142.
Land use, land cover, and trends in ghana west africa. This entry contains the percentage shares of total land area for three different types of land use. Abstract land useland cover change has been one of factors responsible for altering the hydrologic response of watersheds leading to impacting river flows. Trends and drivers of land useland cover change in western. Land free fulltext land use and land cover change in the. Impervious cover is a useful indicator of impacts of an important parameter of land use and land cover is the amount of urban land in the state. Participants in the nca workshop nov 29dec 1, 2011, in salt lake city on land use and land cover presented and discussed a number of examples showing the influences of land use decisions on climate change adaptation options. Land use land cover lulc change is the challenging and continuous drivers of environment change. Participants in the nca workshop nov 29dec 1, 2011, in salt lake city on land use and land cover presented and discussed a number of examples showing the influences of landuse decisions on climate change adaptation options. Bale mountain ecoregion in ethiopia is a biodiversityrich ecosystem where such lulcc have occurred.
Land use and land cover changes and the link to land. Change in land use and land cover may result in land degradation that manifests itself in many ways depending on the magnitude of changes. Land useland cover change lulcc has become part of the global science agenda lambin et al. Kassatrends and drivers of land useland cover change in western ethiopia. The 1975, 2000, and 20 west africa land use and land cover maps tell a complex story of change a story that we are only now able to visualize for the first time. This study analyzed land use land cover lulc changes and their causes for the last 42 years from 1973 to 2015 covering an areas of about 265 km 2 in south gonder zone of ethiopia, where area closures andor forest conservations have been practiced since the late 1970s. Change in land use and land cover may result in land degradation that manifests itself in many ways depending on.
The lulc changes and related trend of increasing landscape fragmentation in the basin increased soil erosion, the volume of surface runoff, and sediment transport in the. Conterminous united states based on 2011 imagery download alaska land cover download hawaii land cover download puerto rico land cover these data are based on 2001 imagery. The patterns magnitude and direction of lulcc were quantified and the final land useland cover maps were produced after a supervised classification with appropriate postprocessing. Sep 26, 20 the alemaya district eastern ethiopian highlands is characterized by undulating physiographic features with arid, semiarid, and humid climatic conditions.
The most obvious land cover change in ghana is the major increase in agricultural land in all regions of the country. This study was conducted to quantify the effect of population dynamics on land use land cover lulc changes in dera district, ethiopia. Landuse and landcover dynamics in response to changes in climatic, biological and sociopolitical forces. This study evaluated socioenvironmental changes in land use and land cover during 19852011. Pdf land useland cover changes lulcc at adei watershed ethiopia over a period of 23 years 19862009 has been analysed from landsat imagery. Effect of land use land cover changes on the forest resources. Jan 26, 2012 land use and land cover dynamics in response to changes in climatic, biological and sociopolitical forces. Various water resources projects planning and implementation will require knowledge of the. In all over the world, land use land cover changes lulcc effect on the water storage structures is important for proper management of water resources and its uses. Land use land cover change detection in gibe sheleko national. Population data 1984, 1994 and 2007 and remote sensing data landsat 5 tm of 1985 and.
This study was intended to analyze the lulc changes from 1985 to 2015 periods, and predict the situation to 2030 and 2045 in the andassa watershed of blue nile basin, ethiopia. A large variety of remote sensing based land useland cover lulc products are currently. Field observation using gps was carried out to generate the ground truth points for image. This study was carried out to analyze the effect of lulcc on water quality and quantity.
Drivers and implications of land useland cover dynamics. Land use and land cover trends in west africa west africa. The effects of lulcc and improper management systems have played a significant role. The following is the supplementary data to this article. Vegetation dynamics, and land use and land cover change in. Jul 02, 2016 land cover change refers to modification of the existing land cover or complete conversion of the land cover to a new cover type. Hilbert published on 20150630 download full article with reference data and citations. Effect of land use and land cover changes on soil erosion. Drivers of land useland cover change in the guraferda.
The data revealed that woody vegetation decreased from 5,576 ha to 3,012 ha from the 1950s to 2010. Globally, agriculture and associated land use changes have been the principal drivers of deforestation. Drivers and implications of land useland cover dynamics in. Accurate information on land use and land cover change lulcc is critical for understanding the causes of change and for developing effective policies and strategies to slow and reverse land degradation. This study analyzed land useland cover lulc changes and their causes for the last 42 years from 1973 to 2015 covering an areas of about 265 km 2 in south gonder zone of ethiopia, where area closures andor forest conservations have been practiced since the late 1970s. Urban land includes both land with houses, buildings and pavement, and other areas that are essentially impervious to infiltration of rainfall. Impact of land useland cover change on rural communities. Accordingly, seven land cover classes namely prosopis invaded the land, farmland, settlement, bare land, grazing land, woodland and water bodies were identified in the study area table 2, figure 3. While most land use cover change studies compare changes from different spatial scales, this study applied land use cover classification techniques to bring the data to a relatively similar scale. The pace of change in land use and cover in ethiopia depends on three main. Land use and land cover in ethiopia environmental sciences. For each year there are five land cover schemes, developed by. Land cover change alters the atmospheric carbon and nitrogen cycles, albedo.
Analysis of land useland cover change in adei watershed. Land useland cover changes around four water bodies situated in and near davangere city karnataka during the period 19702005 were analysed using satellite data and survey of india topo maps. How to download the latest land use land cover lulc data. Dunning land, for most ethiopians, is central to life. All of these manifestations have potentially severe impacts on land users and people who rely for their living on the products from a healthy landscape. Population growth and cultivated land in rural ethiopia. Lulcc of the watershed in 1986, 1999 and 2011 was analyzed from landsat satellite images using supervised classification. Land use and land cover in ethiopia environmental sciences essay. It is one of the most important drivers of global change and affects many parts of human environment systems. Apr 07, 2019 the modis land cover type product is a global land cover classification data layer produced annually from 2001 to till dec 2017. Time series land cover mapping and change detection analysis.
Trends and drivers of land useland cover change in. Understanding the rate and process of change is, therefore, basic for managing the environment. Land use and land cover change in the bale mountain eco. The availability and accessibility of accurate and timely land cover data sets play an important role in many global change studies, highlighting the need for better land use and land cover change information at multiple scales. The interaction between nature and humans has transformed the face of the earth. The results of these studies have identified deforestation and encroachment of cultivation into marginal areas as the main agents of land usecover change and land degradation in the. Land useland cover changes and land degradation are highly interrelated 67,68 because usually the changes are associated with deforestation, biodiversity loss and land degradation 69. Land cover change is the central driver and the most dynamic phenomenon that is caused by the interface between the human and ecological system manson, 2005. Land use and land cover change detection through remote. Lulc change has become the focus of geographical research and discourse in ethiopia for the last few decades see zeleke and hurni 2001.
Mean monthly rainfall mm debre zeit earo and ilri research stations 115 annex 2. Land cover change refers to modification of the existing land cover or complete conversion of the land cover to a new cover type. Land useland cover changes and their causes in libokemkem. Land use dynamics, access, farm size, and fragmentation. Multitemporal landsat images and topographic map were acquired in 2016. Assessing land use and land cover changes and agricultural. Land free fulltext land use and land cover changes and. Land use land cover changes and land degradation are highly interrelated 67,68 because usually the changes are associated with deforestation, biodiversity loss and land degradation 69. Land useland cover change and soil erosion in ethiopia. The modis land cover type product is a global land cover classification data layer produced annually from 2001 to till dec 2017. Understanding the trajectories and extents of land useland cover change lulcc is important to generate and provide helpful information to policymakers and development practitioners about the magnitude and trends of lulcc. Spatiotemporal landuse land cover changes in walmara.
According to tamirie, ethiopia has about 60 million hectares of land for grazing. Impact of land cover change on water quality and stream flow. Pdf impact of land use land cover change on catchment. Landuse decisions are often based on economic factors. A comparative study from kuhar michael and lenche dima of blue nile and awash basins of ethiopia a thesis presented to the faculty of the graduate school of cornell university in partial fulfillment of the requirements for the degree of master of professional studies by hussien ali oumer. Land free fulltext land use and land cover change in. Pdf land use land cover change trend and its drivers in. Evaluation and prediction of land useland cover changes. For example, coal extraction from the earths surface through mining operation tends to make a prominent impact on the landscape, environment and biological community 6. Land usecover change can affect biodiversity, biogeochemical cycles, soil fertility, hydrological cycles, energy balance, land productivity, and the sustainability of environmental services lupo et al.
Wondo genet college of forestry and natural resources, ethiopia. Download land cover and graphs data in 1975, natural habitats of the sahelian and sudanian regions such as steppe, sahelian short grass savanna, and sudanian savanna were still the dominant land cover classes across west africa, representing 18. Land use and forest cover dynamics in the northeastern addis. Understanding the magnitude, direction and agents of land use land cover change lulcc are important for planning sustainable management of natural resources. Analysis of land useland cover changes in the debremewi. The impact of landuseland cover changes on water balance of the. Land use and land cover change national climate assessment. Pdf land use land cover changes and their impact on the lake. Effect of land use land cover changes on the forest.
However, the largest increases can be seen in the northeast, eastcentral, and southwestern regions of. The effect of land useland cover changes on ecosystem services. Land useland cover changes lulcc at adei watershed ethiopia over a period of 23 years 19862009 has been analysed from landsat imagery and ancillary data. Five sets of landsat images 1973, 1985, 1995, 2003 and 2015 were the. In the agricultural societies of highland ethiopia, to have rights over land is to be human. Spatiotemporal landuse land cover changes in walmara district. Different studies have been conducted to quantify land use land cover change in both highland and low land parts of ethiopia 6, 15, 18, 21. Landuse change and its socioenvironmental impact in. In ethiopia, the speed and scale of lulcc has been accelerated in the last 34 decades of the 21st century. Quantifying the hydrologic response of land use land cover change lulcc is of paramount importance to improve land management.
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