scholarly journals Land Use Change Trends and Their Driving Forces in the Kilombero Valley Floodplain, Southeastern Tanzania

2019 ◽  
Vol 11 (2) ◽  
pp. 505 ◽  
Author(s):  
Nangware Msofe ◽  
Lianxi Sheng ◽  
James Lyimo
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Human Activities ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Forest Products ◽  
The United States ◽  
United States Geological Survey ◽  
Market Demand ◽  
Kilombero Valley

Land use change (LUC) driven by human activities and natural factors has resulted in the global loss of native biodiversity and the alteration of ecological processes and services across different ecosystems. It is thus necessary to analyze the trends and driving factors that influence land use changes. In this study, moderate resolution Landsat images were freely downloaded from the United States Geological Survey (USGS) archives, analyzed using the random forest (RF) algorithm and mapped in ArcGIS 10.2 software to examine the LUC trends from 1990 to 2016 in the Kilombero valley floodplain (KVFP), Tanzania. Participatory rural appraisals (PRA) and household questionnaire surveys were used to assess the potential drivers of LUC. The results show that, from 1990 to 2016, the agricultural land and grassland increased by 11.3% and 13.3%, respectively, while the floodplain wetland area decreased from 4.6% in 1990 to 0.9% in 2016. Based on a questionnaire survey, the intensification of human activities was identified as the proximate driver while population growth, a growing market demand and price incentives for agricultural and forest products coupled with improved infrastructure and biophysical factors such as soil properties, climate variability and terrain characteristics were identified as the underlying drivers of LUC. However, there is interplay among these factors acting simultaneously as well as differently that influence land use changes. Based on these findings, future sustainable land management strategies should include the introduction of the alternative environmentally friendly sources of livelihood, such as beekeeping, the promotion of community participation and education on the importance of sustainable wetland management.

scholarly journals Land Use Changes in Turkish Territories: Patterns, Directions and Socio-Economic Impacts on Territorial Management

2021 ◽  
Vol 16 (1) ◽  
pp. 105-122
Author(s):  
Sema Yılmaz Genç ◽  
Arian Behradfar ◽  
Rui Alexandre Castanho ◽  
Derviş Kırıkkaleli ◽  
José Manuel Naranjo Gómez ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Human Activities ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Arable Land ◽  
Regional Governance ◽  
Design Development ◽  
Construction Sites ◽  
Landuse Change

Human activities have been changing the Earth's cover at an unparalleled scale. In this regard, and cover mapping is a decisive advantage for several kinds of research. Also, the outcomes from these investigations could be applied to plan a sustainable regional governance policy. This article studied land-use changes in the Turkish Territories in 1990, 2000, 2012, and 2018 using the Coordination of Information on the Environment (CORINE) data. The results showed a significant and gradual land-use change from agricultural to mostly artificial surfaces. The majority of land-use changes are related to industrial and commercial units and construction sites. The most degraded agricultural land uses are non-irrigated arable land and pastures, while there is an increasing trend in permanently irrigated land. This study's outcome can be considered a surveying baseline for the comparative analysis of similar works for different land-use change trends in Europe or worldwide. Landuse change studies are reliable tools to evaluate the human activities and footprint of proposed strategies and policies in a territory. This article also enables us to understand that Turkey's decisive actors should design development policies to encourage industrial investments and agricultural ventures in Turkey and adapt the land-use/land cover strategies to mitigate agricultural land fragmentation.

CLIMATE CHANGE AND FUTURE LAND USE IN THE UNITED STATES: AN ECONOMIC APPROACH

2011 ◽  
Vol 02 (01) ◽  
pp. 27-51 ◽  
Author(s):  
DAVID HAIM ◽  
RALPH J. ALIG ◽  
ANDREW J. PLANTINGA ◽  
BRENT SOHNGEN
Keyword(s):  
Climate Change ◽  
United States ◽  
Land Use ◽  
Land Use Change ◽  
Land Use Changes ◽  
The United States ◽  
Land Use Patterns ◽  
Cropland Area ◽  
Climate Change Effects ◽  
Net Returns

An econometric land-use model is used to project regional and national land-use changes in the United States under two IPCC emissions scenarios. The key driver of land-use change in the model is county-level measures of net returns to five major land uses. The net returns are modified for the IPCC scenarios according to assumed trends in population and income and projections from integrated assessment models of agricultural prices and agricultural and forestry yields. For both scenarios, we project large increases in urban land by the middle of the century, while the largest declines are in cropland area. Significant differences among regions in the projected patterns of land-use change are evident, including an expansion of forests in the Mountain and Plains regions with declines elsewhere. Comparisons to projections with no climate change effects on prices and yields reveal relatively small differences. Thus, our findings suggest that future land-use patterns in the U.S. will be shaped largely by urbanization, with climate change having a relatively small influence.

scholarly journals Agriculture Land Use Change and Demographic Change in Response to Decline Suspended Sediment in Južna Morava River Basin (Serbia)

2021 ◽  
Vol 13 (6) ◽  
pp. 3130
Author(s):  
Sanja Manojlović ◽  
Mikica Sibinović ◽  
Tanja Srejić ◽  
Abosa Hadud ◽  
Ibrahim Sabri
Keyword(s):  
Land Use ◽  
Sediment Transport ◽  
Land Use Change ◽  
Suspended Sediment ◽  
Human Activities ◽  
Rural Population ◽  
Agricultural Land ◽  
Sediment Load ◽  
Morava River ◽  
Morava River Basin

This study expounds the dynamic relationships among agricultural land-use change, rural population migration, and sediment transport. The variability of suspended sediment load was detected by Mann–Kendall and Pettitt tests. From 1961 to 2007, the annual trend in suspended sediment concentration and sediment load demonstrated significant reduction (α = 0.001), with decreasing rates of 0.0144 g/L/y and 84.7 t/y, respectively. An abrupt change-point was detected in 1984 for the sediment load (p = 0.0001). The double-mass curve method and regression analysis of sediment load versus precipitation were used to quantify the effects of climate change and human activities on sediment load variations. The changes in sediment load were predominantly impacted by human activities (89%), while precipitation explained 11% of the reduction in suspended sediment. An important land-use change recorded in the Južna Morava river basin comprised the abandonment of agricultural lands due to depopulation processes, as well as economic and social changes, which was followed by significant impacts on soil erosion and sediment transport. Land abandonment was most pronounced in marginal mountain or semi-mountainous areas, where agriculture was until recent decades traditional or semi-traditional. The results of the correlation matrix were significant at the p < 0.05 level, demonstrating that the decrease of rural population, agricultural land, and arable land were directly related to the decline of suspended sediment. High correlation coefficients were found between anthropogenic indicators and sediment parameters, ranging from 0.94 to 0.97.

scholarly journals Land Use Development of Vineyards in Goriška Brda, Slovenia

2017 ◽  
Vol 45 (2) ◽  
pp. 611-622 ◽  
Author(s):  
Alenka FIKFAK ◽  
Velibor SPALEVIC ◽  
Saja KOSANOVIC ◽  
Svetislav G. POPOVIC ◽  
Mladen DJUROVIC ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Rural Areas ◽  
Cultural Landscape ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Land Development ◽  
Chemical Properties ◽  
Cross Tabulation ◽  
The Cross

Land development analyses play a fundamental role in understanding how land use change shapes the land, depending on continuously changing social, economic, and environmental factors that reflect the interests in space. It is especially important to follow land use changes in rural areas due to their role in food security, environmental hazards, cultural landscape preservation, etc. Continuous analyses and monitoring of land use changes allow for the identification and prevention of negative trends in land use (over intensification, land fragmentation, etc.) that might affect biodiversity, change physical and chemical properties of soil, causing soil degradation, change the spatial balance, stability and natural equilibrium in the rural area. The use of the cross-tabulation matrix methodology was suggested for land use change analyses. The methodology, when the cross-tabulation matrix elements are correctly interpreted, allows us to gain as much insight as possible in the process of land use change. This approach enabled a detailed analysis of vineyards in Goriška brda, Slovenia. It was found that the existing methodology fails to analyse the location of change. For this reason, additional analyses of spatial distribution of change and of the locations where changes in space occur were suggested. The study demonstrated that the land use category of vineyards changes systematically, although seemingly randomly. By comparing land use categories over several time periods, the study determined that the size and speed of change varied across different time intervals. The identified land use changes were assessed in the context of their high pressure on agricultural land. The results of the analyses showed different trends shaping the typical agrarian landscape in Goriška brda.

scholarly journals Study of Changes in Geospatial Based Land Use in Ambarawa District, Pringsewu Regency

2021 ◽  
Vol 8 (2) ◽  
pp. 94
Author(s):  
Dedy Miswar ◽  
Listumbinang Halengkara ◽  
I Gede Sugiyanta ◽  
Ahmad Sahid Al Azhari
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Spatial Data ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Image Interpretation ◽  
Economic Factors ◽  
The West ◽  
Overlay Technique

Ambarawa District has allegedly experienced many changes in land use. Changes in land use in Ambarawa District are dominated by changes in agricultural land to non-agricultural land. This is because the land in Ambarawa District is influenced by the role of its inhabitatns in utilizing the land so that it has an impact on land use change. This study aims to determine changes in land use, the factors that influence land use changes, the direction of development and what types of use changes are most dominant in Ambarawa District, Pringsewu Regency. The method used in this research is survei and image interpretation by looking at changes in land use in each area. The population used in this study were all villages in Ambarawa District, totaling 8 villages which were suspected of experiencing changes in land use. Collecting data in this study is a descriptive geospatial approach through the overlay technique of land use spatial data. The results showed that there was a change in land use in Ambarawa District year 2014-2019 covering an area of 2.195,8 ha (70,83%), which was caused by social and economic factors, namely the increase in population and workers and the direction of land use changes to the west and east.

scholarly journals Land Use/Land Cover Change Impact on Hydrological Process in the Upper Baro Basin, Ethiopia

2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
Tewodros Getu Engida ◽  
Tewodros Assefa Nigussie ◽  
Abreham Berta Aneseyee ◽  
John Barnabas
Keyword(s):  
Land Use ◽  
Land Cover ◽  
Agricultural Land ◽  
Swat Model ◽  
The United States ◽  
United States Geological Survey ◽  
Hydrological Process ◽  
Land Use Land Cover ◽  
Validation Period ◽  
The Impact

Understanding the hydrological process associated with Land Use/Land Cover (LU/LC) change is vital for decision-makers in improving human wellbeing. LU/LC change significantly affects the hydrology of the landscape, caused by anthropogenic activities. The scope of this study is to investigate the impact of LU/LC change on the hydrological process of Upper Baro Basin for the years 1987, 2002, and 2017. The Soil Water Assessment Tool (SWAT) model was used for the simulation of the streamflow. The required data for the SWAT model are soils obtained from the Food and Agriculture Organization; Digital Elevation Model (DEM) and LU/LC were obtained from the United States Geological Survey (USGS). The meteorological data such as Rainfall, Temperature, Sunshine, Humidity, and Wind Speeds were obtained from the Ethiopian National Meteorological Agency. Data on discharge were obtained from Ministry of Water, Irrigation and Electricity. Ecosystems are deemed vital. Landsat images were used to classify the LU/LC pattern using ERDAS Imagine 2014 software and the LU/LC were classified using the Maximum Likelihood Algorithm of Supervised Classification. The Sequential Uncertainty Fitting (SUFI-2) global sensitivity method within SWAT Calibration and Uncertainty Procedures (SWAT-CUP) was used to identify the most sensitive streamflow parameters. The calibration was carried out using observed streamflow data from 01 January 1990 to 31 December 2002 and a validation period from 01 January 2003 to 31 December 2009. LU/LC analysis shows that there was a drastic decrease of grassland by 15.64% and shrubland by 9.56% while an increase of agricultural land and settlement by 18.01% and 13.01%, respectively, for 30 years. The evaluation of the SWAT model presented that the annual surface runoff increased by 43.53 mm, groundwater flow declined by 27.58 mm, and lateral flow declined by 5.63 mm. The model results showed that the streamflow characteristics changed due to the LU/LC change during the study periods 1987–2017 such as change of flood frequency, increased peak flows, base flow, soil erosion, and annual mean discharge. Curve number, an available water capacity of the soil layer, and soil evaporation composition factor were the most sensitive parameters identified for the streamflow. Both the calibration and validation results disclosed a good agreement between measured and simulated streamflow. The performance of the model statistical test shows the coefficient of determination (R2) and Nash–Sutcliffe (NS) efficiency values 0.87 and 0.81 for calibration periods of 1990–2002 and 0.84 and 0.76 for the validation period of 2003 to 2009, respectively. Overall, LU/LC significantly affected the hydrological condition of the watershed. Therefore, different conservation strategies to maintain the stability and resilience of the ecosystem are vital.

scholarly journals PENGARUH PERKEMBANGAN PARIWISATA TERHADAP PERUBAHAN ALIH FUNGSI LAHAN DI DESA CANGGU KECAMATAN KUTA UTARA KABUPATEN BADUNG

Widya Accarya ◽  
2020 ◽  
Vol 11 (1) ◽  
pp. 51-62
Author(s):  
I Made Kartika ◽  
I Gede Sujana ◽  
Alquinus Jehapu
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Agricultural Land ◽  
Research Question ◽  
Land Use Changes ◽  
Secondary Data ◽  
Land Conversion ◽  
Sociocultural Change ◽  
Library Research ◽  
The People

Abstrak Canggu adalah sebuah desa yang terletak di kabupaten Kuta Utara, Kabupaten Badung sebagai Daerah Pengembangan Badung Tengah yang memiliki kebijakan mempertahankan Badung Tengah sebagai daerah pertanian dalam arti luas dan mencegah konversi sawah. Pertanyaan penelitian dari penelitian ini adalah tentang dampak pariwisata terhadap konversi lahan. Pemilihan desa Canggu sebagai lokasi penelitian karena desa Canggu berada di tengah-tengah wilayah Badung sebagai daerah pertanian, alam dan budaya sebagai semangat pariwisata desa Canggu, desa Canggu dipengaruhi oleh pembangunan fasilitas akomodasi. Jenis data dalam penelitian ini adalah sumber data kualitatif dan kuantitatif dari data primer dan sekunder. Data penelitian ini dikumpulkan melalui wawancara dan studi kepustakaan. Penentuan informan penelitian ini dimulai dengan menentukan informan pertama dan informan kunci. Teknik analisis data penelitian ini adalah analisis deskriptif kualitatif. Menurut hasil penelitian di desa Canggu didapat hasil sebagai berikut pengembangan pariwisata berdampak pada peningkatan konversi lahan pertanian, perubahan penggunaan lahan juga berdampak pada perubahan sosiokultural. Adapun lokasi penelitian ditentukan berdasarkan perkembangan pariwisata terhadap alih fungui lahan, hasil dari penelitian ini perkembangan pariwisata terhadap alih fungsi lahan berdampak pada kesejahtraan masyarakat Desa Canggu. Lahan yang dialih fungsikan dibangun Hotel, Homestay, Villa, Restoran, Laundry dan lain sebagainya yang menunjang ketertarikan wistawan, untuk berwisata ke Desa Canggu.  Alih fungsi lahan merupakan suatu tolok ukur untuk meningkatkan pendapatan ekonomi warga Desa canggu. Hal ini menyebabkan minat masyarakat menjadi meningkat untuk mengubah fungsi lahan mereka sebagai media penghubung perkembangan pariwisata tersebut. Faktor lain yang menyebabkan perubahan alih fungsi lahan di Desa Canggu adalah tingginya nilai permintaan dari wisatawan terhadap vasilitas yang disediakan. Kata kunci: Pariwisata dan alih fungsi lahan   Abstract Canggu is a village located in North Kuta district, Badung Regency as the Central Badung Development Area which has a policy of maintaining Central Badung as an agricultural area in the broad sense and conversion of rice fields. The research question of this research is about research on land conversion. The selection of the Canggu village as a research location is because the Canggu village is in the middle of the Badung area as an agricultural, natural and cultural area such as the spirit of tourism in the Canggu village, the Canggu village works with the construction of recreational facilities. The type of data in this study is the source of qualitative and quantitative data from primary and secondary data. Research data were collected through interviews and library research. The determination of the informants of this study begins with determining the first informant and key informant. The data analysis technique of this research is descriptive qualitative analysis. According to the results of research in the village of Canggu obtained the following results the development of tourism has an impact on increasing agricultural land conversion, land use changes also have an impact on sociocultural change. The research location is determined based on the development of tourism on land use change, the results of this study the development of tourism on land use change has an impact on the welfare of the people of Canggu Village. The land that has been converted has been built by hotels, homestays, villas, restaurants, laundry and others that support the interests of tourists, for a trip to Canggu Village. Transfer of land functions is a benchmark to increase the economic income of residents of Canggu Village. This causes the interest of the community to increase to change the function of their land as a media liaison with the development of tourism. Another factor causing changes in land use change in Canggu Village is the high value of requests from tourists for the facilities provided. Keywords: Tourism and land use change

scholarly journals Land-Use Change Analysis of National Southern Cross Road Route Development in Bantul Regency

2021 ◽  
Vol 325 ◽  
pp. 07001
Author(s):  
Utia Kafafa ◽  
Rika Harini
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Spatial Dynamics ◽  
Specific Pattern ◽  
Change Analysis ◽  
The Road ◽  
Quantitative Descriptive ◽  
The Impact

The National Southern Cross Road Route well known as Jalan Jalur Lintas Selatan (JJLS) in Indonesia. The segment which crosses Bantul Regency has 16.65 km long. The development of JJLS will have various kinds of impacts on the community around the road infrastructure. This study wants to know how the impact of the development that saw from the spatial dynamics of land-use change. The study area is located in Poncosari, Gadingsari, Srigading, Tirtohargo, and Parangtritis Village. We process the data using the map overlay technique then analyze it with quantitative descriptive. The results of this study are the development of JJLS in Bantul Regency has not significantly affected the land-use changes. It is evident from the location of the land-use change which is far from the road and tends to be disheveled. The Land-use changes that occur do not form a specific pattern such as the pattern of conversion of agricultural land into non-agricultural land. The less significant changes in land use are caused by the condition of the JJLS which is not yet fully connected. Moreover, the status of land ownership around JJLS is Sultan Ground so a special permit is needed if the community wants to use the land.

Crop transitions can drive economic and ecological shifts in an established farming landscape: a case study from California

2021 ◽  
Author(s):  
Ariani Wartenberg ◽  
Diana Moanga ◽  
Matthew Potts ◽  
Van Butsic
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Agricultural Landscape ◽  
Agricultural Land ◽  
Temporal Dynamics ◽  
The United States ◽  
Agricultural Land Use ◽  
Study Region ◽  
Trade Offs ◽  
Farming Landscapes

&lt;p&gt;Meeting growing challenges to maintain food production and rural livelihoods while minimizing land degradation will require significant changes in the way existing farming landscapes are managed. A systemic understanding of the agroecological impacts of land-use change in established farming landscapes, and the identification of significant trade-offs or synergies, are crucial to inform farm management and land-use governance solutions. Here, we focus on land-use change impacts in an already established farming landscape. We investigate spatial and temporal dynamics of agricultural land-use change from 2002 to 2018, in Kern County, California. Our study region is one of the major agricultural production hotspots in the United States, and has undergone a recent agricultural land-use transition from annual to perennial cropping systems. In this study we analyzed parcel-level data documenting changes in the land-use footprint for individual crops, ranging from annual crops like wheat and cotton to perennial tree crops like almonds and pistachios. We assess how land-use change impacted ecosystem pressures and service indicators selected for their relevance in an agricultural context, including water-use, soil erosion, profit and carbon sequestration. Our results indicate no salient trade-offs or synergies among individual crops, and illustrate the possibility of limited economic-ecological trade-offs associated with a shift from annual to perennial crops in a well-established agricultural landscape. We further discuss the relevance of our findings in the context of land-ownership consolidation and changing export dynamics in the study area.&lt;/p&gt;

scholarly journals Land use change impact on flood reduction capacity of lake sentani, jayapura

2018 ◽  
Vol 7 (3.29) ◽  
pp. 115
Author(s):  
Elroy Koyari ◽  
Runi Asmaranto
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Human Activities ◽  
Surface Runoff ◽  
Hydrological Cycle ◽  
Land Use Changes ◽  
Natural Phenomenon ◽  
Flood Discharge ◽  
Change Impact ◽  
Impervious Areas

Flood is a natural phenomenon that occurs in certain places due to natural causes and human activities. However, the imbalance in hydrological cycle will cause the flood to do damage, both materially and non-materially. Therefore, it is important to control the occurrence and magnitude. Human activities that can cause such imbalance, one of them, is land use change. Many areas of pervious area are shifting into impervious areas, which will increase the amount of surface runoff generated. This research will cover about how land use changes over the year can influence the surface runoff generated in a certain area. This research is conducted in Sentani watershed, Jayapura, Papua, Indonesia. Calculation with the aid of ArcMap 10.1 and WinTR-20 results in around 6% changes in flood discharge in the outlet for land use in year 2007, 2010, 2012, and 2016. The reservoir capacity in reducing flood discharge is also increasing over the years.   

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