Spatial Analysis Model for Agricultural Land Grading Based on GIS

2012 ◽  
Vol 214 ◽  
pp. 615-619
Author(s):  
Wei Li Kou ◽  
Shu Gan ◽  
Xi Ping Yuan
Keyword(s):  
Spatial Analysis ◽  
Yunnan Province ◽  
Agricultural Land ◽  
Analysis Model ◽  
Agricultural Lands ◽  
Improve Accuracy ◽  
Arcgis Engine ◽  
Net Framework ◽  
Land Grading ◽  
Novel Model

To improve the efficiency of spatial analysis a novel model is proposed. Based on analyzing on workflows and techniques, the research mainly put emphasis on optimizing data organizations, enhancing data accessing efficiency, improving spatial researches, simplifying complex operations, and realizing automation. The model employed ArcGIS Engine, ArcSDE and ADO.net to design and implement its functions through programming under the Dot NET Framework. It has been applied to the grading work of agricultural lands in Lanping County, Yunnan Province, which shows that it can simplify operations, improve accuracy, and has features of good practicality and generality and should be applicable in other settings and over larger extents.

Analyzing the Shifts of Land Use for Agricultural Land Planning under Climate Change– A Case Study of Northern Yilan County, Taiwan

2020 ◽  
Author(s):  
Wen - Yen Lin ◽  
Chi-Tung Hung
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Spatial Analysis ◽  
Agricultural Land ◽  
Soil Liquefaction ◽  
Point Pattern Analysis ◽  
Point Pattern ◽  
Agricultural Lands ◽  
Intergovernmental Panel ◽  
Land Planning

<p>Taiwan belongs to the edges of sub-tropical and tropical climate zones, and has been indicated as a high risk edge area by international climate change researches. According to the Intergovernmental Panel on Climate Change (IPCC), Taiwan is threatened by global warming, changes of rainfall pattern, sea level rising and high frequency and influence of extreme weather, which will result in great impacts to agriculture industry and the future of food security. Unfortunately, along with the rapid economic development and urbanization in Taiwan since the 1960’s, agricultural land use has become less competitive to industrial, commercial, and residential types of land uses under land use competition. Therefore, to effectively enhance the resilience and conserve the agricultural lands which under the threats of climate change and the competitions of other types of land use, Taiwan’s Spatial Planning Act (promulgated on 2016/1/6) enlists Agricultural Development Zones, one of four major functional zones in National Spatial Plan, into demarcated functional zone and applying land use control. The zoning plan is expected to be completed by every city and county before the year of 2022, and one of the major issues is to consider the land use function changes of different locations. By comparing the 2007 and 2016 land utilization maps investigated by National Land Surveying and Mapping Center (Taiwan), this study is able to identify the 10-year changes of agricultural lands of northern Yilan county. To further investigate the spatial distribution of agricultural land changes, spatial analysis techniques such as multi-distance spatial cluster analysis (Ripley’s K Function) and point pattern analysis (Kernel density) are employed to analyze the spatial clustering of changes. The spatial analysis results overlays with climate change related and hazard risk maps, such as flooding, landslide, soil liquefaction, to support the decision making of future agricultural land planning and agriculture development zoning plan.</p><p>Keywords: agricultural land, land use changes, climate change, spatial analysis</p>

scholarly journals KARAKTERISASI DAN ANALISIS SPASIAL SUMBER DAYA LAHAN UNTUK PENGEMBANGAN SAWAH BERKELANJUTAN (Studi Kasus di Kecamatan Perbaungan, Kabupaten Serdang Bedagai) - CHARACTERIZATION AND SPATIAL ANALYSIS OF LAND RESOURCES FOR THE DEVELOPMENT SUSTAINABLE RICE FIELD (Case Study in District Perbaungan, Serdang Bedagai Regency)

2015 ◽  
Vol 5 (2) ◽  
Author(s):  
Maryana Martha
Keyword(s):  
Spatial Analysis ◽  
Management Strategy ◽  
Qualitative Method ◽  
Agricultural Land ◽  
Secondary Data ◽  
Primary Data ◽  
Agricultural Lands ◽  
Purposive Sampling ◽  
Modern Development ◽  
Agricultural Land Management

AbstrakPertumbuhan penduduk dan pertumbuhan ekonomi sebagai konsekuensi dari kegiatan pembangunan disertai kegiatan pertanian yang kurang mempertimbangkan kaidah konservasi, olah tanah secara intensif, penggunaan pupuk dan pestisida kimia yang berlebihan merupakan permasalahan serius yang terjadi di Kecamatan Perbaungan. Hal ini mengakibatkan berkurangnya luas lahan pertanian serta terjadinya permasalahan lingkungan. Kecamatan Perbaungan sebagai lumbung beras di Kabupaten Serdang Bedagai membutuhkan jaminan ketersediaan lahan pertanian untuk memenuhi kebutuhan pangan di tingkat kecamatan dan tetap dapat berkontribusi terhadap pemenuhan kebutuhan pangan di tingkat kabupaten. Penelitian ini bertujuan untuk mengetahui kondisi eksisting pertanian di Kecamatan Perbaungan, menghitung luas kebutuhan lahan sawah 20 tahun ke depan serta mengetahui strategi pengelolaan lahan pertanian agar berkelanjutan di Kecamatan Perbaungan. Metode penelitian yang digunakan adalah gabungan metode kuantitatif dan kualitatif. Data primer diperoleh dengan melakukan wawancara terhadap informan yang dipilih secara purposive sampling, observasi dan studi pustaka. Sedangkan data sekunder diperoleh melalui dokumen/literatur berupa data tabular dan peta-peta dari instansi terkait. Metode kualitatif digunakan untuk menggambarkan kondisi eksisting pertanian dan menentukan strategi pengelolaan lahan pertanian secara berkelanjutan di Kecamatan Perbaungan, sedangkan metode kuantitatif digunakan untuk menghitung luas kebutuhan lahan sawah untuk 20 tahun ke depan dan menentukan lahan-lahan sawah mana saja yang harus dilindungi. Hasil penelitian menunjukkan bahwa : 1) masyarakat petani di Kecamatan Perbaungan secara umum belum menerapkan prinsip pertanian berkelanjutan dalam kegiatan pertaniannya 2) Luas lahan yang tersedia guna memenuhi kebutuhan pangan di Kecamatan Perbaungan adalah seluas 3.938 Ha yang tersebar di 17 desa yang diperoleh melalui analisis spasial berdasarkan kriteria lahan pertanian pangan berkelanjutan dalam UU No. 41/2009. Sedangkan untuk 20 tahun ke depan, luas kebutuhan lahan sawah dengan 2 (dua) skenario perhitungan, didapat: 2,162 Ha untuk skenario optimis dan 3,332 Ha untuk skenario pesimis. Kedua hasil perhitungan menunjukkan nilai di bawah luas ketersedian lahan aktual (3.938 Ha) sehingga kebutuhan pangan untuk 20 tahun ke depan masih dapat dipenuhi dari lahan-lahan yang tersedia saat ini 3) Strategi untuk mempertahankan keberlanjutan pertanian di Kecamatan Perbaungan dilakukan dengan cara melindungi keberadaan lahan pertanian serta meningkatkan kemampuan manajemen petani dalam kelompok tani agar memiliki kemandirian dalam mengatasi persoalan yang berhubungan dengan upaya mempertahankan keberlanjutan pertanian di Kecamatan Perbaungan.Kata kunci: lahan pertanian, analisis spasial, strategi pengelolaan lahan pertanian berkelanjutanAbstractThe population and economic growth as a consequence of modern development that goes along with the unsustainable farming activity—without considering conservation principles, intensive tillage, and the uses of excessive fertilizers and chemical pesticides—is one of the problems that engulfed the Perbaungan Sub-district. This issue is causing the decrease of farmland and damaging the environment in the Sub-district. As the granary of Serdang Bedagai Regency, it's imperative that availability of agricultural lands in Perbaungan Sub-district to be maintained so this area could contribute to the fulfillment of foods needed by the Regency. This research is conducted to understand the actual farmland condition in Perbaungan Sub-district, to count the amount of lands needed for the next twenty years and to elaborate the most suitable strategy to ensure the farming sustainability in the area. The method used in this research is a combination of quantitative and qualitative method. The primary data is obtained by interviewing informants (selected using purposive sampling), observations, and literature reviews. The secondary data in this research is obtained from various documents or literatures, such as tabular data and maps extracted from relevant agencies. The qualitative method is used to describe the existing condition of the farm and to lay out the sustainable farm management strategy in Perbaungan Sub-district, while the quantitative method is used to count the need for farmlands for the next twenty years and to indicate what kind of lands that must be protected. The result of this research showed that : 1) the farmers in Perbaungan Sub-district have not yet comprehensively applied the principles of sustainable farming. 2) Using spatial analysis method based on characterizations mentioned in UU No. 41 Tahun 2009, it is concluded that there are 3.938 Ha of agricultural lands in Perbaungan that match the characteristics and are to be protected. For the next twenty years, Perbaungan Sub-district needs at least 2.162 hectare (Ha) of agricultural lands on optimistic scenario and 3.332 Ha on pessimistic scenario. The two scenarios indicate that for the next twenty years the Perbaungan Sub-district could still use the actual lands to meet the needs for foods in the region. 3) The strategy to maintain the availability of agricultural lands and farming cultures in this region could be conducted through the protection of its productive rice fields and by developing the farmers' management competences so the farmer could have the ability to solve any farming issues related to the efforts to maintain the sustainability of farms in Perbaungan Sub-district. Keywords: Agricultural land, spatial analysis, sustainable agricultural land management strategy

scholarly journals A GIS-Based Spatial Analysis Model Approach for Identification of Optimal Hydrotechnical Solutions for Gully Erosion Stabilization. Case Study

2021 ◽  
Vol 11 (11) ◽  
pp. 4847
Author(s):  
Ștefan Bilașco ◽  
Sanda Roșca ◽  
Iuliu Vescan ◽  
Ioan Fodorean ◽  
Vasile Dohotar ◽  
...  
Keyword(s):  
Spatial Analysis ◽  
Spatial Databases ◽  
Analysis Model ◽  
Agricultural Lands ◽  
Erosion Processes ◽  
Impact Processes ◽  
Proposed Model ◽  
Analysis Models ◽  
The Impact

The accentuated degradation of agricultural lands as a result of deep erosion processes is the main problem identified in abandoned agricultural lands under the rainfall intensities, increasing number of hot days, indirectly under the impact processes derived from them (soil erosion, vegetation drying, etc.), as well as inadequate or poor management policies implemented by local authorities. The present study aims to develop and present a methodology based on GIS spatial analysis to choose the best hydro-amelioration solution for the arrangement of a complex ravine that negatively affects the entire agroecological area in its immediate vicinity. The proposed model is developed on spatial databases obtained based on UAV flights, the simulation of flow rate values and the establishment of three hydraulic analysis models through the HEC-RAS software with the main purpose of evaluating the results and databases, in order to identify the best implementing model for the stabilization and reduction in erosion within the analysed area. The comparative analysis of the three analysed scenarios highlighted the fact that a dam-type structure with overflow represents the best hydro-ameliorative solution to be implemented in the present study. The accuracy of the obtained results highlights the usefulness of developing GIS models of transdisciplinary spatial analysis to identify optimal solutions that can be implemented in territories with similar characteristics.

Conflicts caused by afforestations of agricultural land in densely populated areas

1991 ◽  
Vol 56 ◽  
Author(s):  
N. Lust ◽  
B. Muys
Keyword(s):  
Nature Conservation ◽  
Agricultural Land ◽  
Agricultural Lands ◽  
Biological Value ◽  
Ecological Problems ◽  
The Subject ◽  
Points Of View

In  densely populated areas, such as Flanders, serious conflicts arise due to the  afforestation of agricultural lands. Roughly speaking, three sectors are  involved: agriculture, forestry and nature conservation. These groups do not  always share the same points of view. But even within the different sectors  there are several subgroups with their own interests and approaches.  Generally speaking, agriculture is strongly opposed, forestry has a  relatively diversified meaning, whereas nature conservation is either opposed  or in favour, depending on the region's biological value.     The policy in this matter is not forest friendly. Legislation strongly  hampers the afforestation of agricultural lands. Moreover the subject leads  to a series of ecological problems, which have not really been considered up  to now.

Denmark: experience of market turnover of agricultural land

Ekonomika APK ◽  
2021 ◽  
Vol 317 (3) ◽  
pp. 89-96
Author(s):  
Ihor Yurchenko
Keyword(s):  
Structural Model ◽  
Agricultural Land ◽  
Legal Framework ◽  
Empirical Method ◽  
Practical Significance ◽  
Agricultural Lands ◽  
Logical Scheme ◽  
Logical Method ◽  
Danish Experience ◽  
The Right

The purpose of the article is to reveal the experience of the functioning of the market circulation of agricultural land in Denmark, in order to further implement in Ukrainian practice, the positive and avoid negative aspects of this experience. Research methods. The study used an empirical method (comprehensive assessment of the modern model of market turnover of agricultural land in Denmark); generalization and systematization (construction of the concept and logical-structural model of economic turnover of lands); abstract-logical method (theoretical generalizations and formulation of conclusions). Research results. It was found that the tightly regulated market turnover of agricultural land in Denmark was changed to a more liberal one, with permission to buy land for foreigners, but this not only did not attract investment as expected, but on the contrary, led to even more negative and crisis phenomena in country. The main tools, mechanisms and conditions of land turnover in agriculture of this country are determined. Scientific novelty. The main purpose of regulating the market turnover of land in Danish agriculture has been established. The legal framework of Denmark for regulating the market circulation of agricultural land has been studied. The structural and logical scheme of market circulation of agricultural lands is formed. The provisions on the Ukrainian model of regulating the market turnover of agricultural lands were further developed, taking into account the experience of the studied country. Practical significance. The results of the study of the experience of the Kingdom of Denmark on the market turnover of land, in terms of granting non-residents access to the right to purchase agricultural land, is a clear practical answer and a caveat that should undoubtedly be taken into account in Ukraine. The application of the Danish experience should help to build an effective model of market turnover of agricultural land in our country. Tabl.: 1. Figs.: 1. Refs.: 18.

scholarly journals ORGANIZATION OF SUSTAINABLE AGRICULTURAL LAND USE BASED ON LANDSCAPE ANALYSIS

2020 ◽  
Vol 12 (3) ◽  
pp. 339-348
Author(s):  
Vladimir TATARINTSEV ◽  
◽  
Leonid TATARINTSEV ◽  
Alex MATSYURA ◽  
Andrei BONDAROVICH ◽  
...  
Keyword(s):  
Land Use ◽  
Agricultural Land ◽  
Arable Land ◽  
Agricultural Landscapes ◽  
Landscape Analysis ◽  
Anthropogenic Activity ◽  
Agricultural Land Use ◽  
Agricultural Lands ◽  
Rational Use ◽  
Erosion Processes

The aim of the work was the landscape analysis of agricultural geographical landscapes in the Altai Territory and elaboration of measures aimed at the rational use of agricultural lands. Environmental and landscape (landscape) approach became the main method of scientific research used in the analysis of modern agricultural landscapes. The cartographic method, using GIS-technologies, made it possible to digitize the obtained materials. Synthesized maps of agro-ecological, natural and other zoning of territories are based on topographic, soil, geobotanical and other thematic maps made during land surveying during the field survey. Retrospective analysis, induction and deduction methods,analysis and synthesis, as well as the abstract-logic method were also used in the work. Our main result was the analysis of land use territory for agricultural enterprise in municipal district of Altai Krai. Exploration of lands indicates a pronounced plant-growing specialization of JSC “Pobeda” with a developed animal breeding direction. Limiting factors affecting the rational use of land are natural and climatic conditions, terrain,unsystematic anthropogenic activity and, as a result, the development of erosion processes. The degree of eroded and deflated arable land is more than 50%, hay and pasture lands are also very unstable. Landscapes have been typified, based on which eleven types of land have been identified and their geomorphological description has been carried out. The first five types of land can be used for agricultural production with limitations compensated by crop technology and erosion control measures, the sixth and seventh types require grassing and, in some cases,conservation, the eighth and ninth types can be partially used for pasture and area valorization; the remaining two are not suitable for agricultural use but should be potentially used for planting and forest management. As a result of the presented transformation of agricultural lands, the structure of cultivated areas has changed. The area of arable land decreased by 877 ha, and of pastures by 365 ha,while the area under hayfields, fallow lands, and forest lands increased by 295, 191, and 875 ha respectively. Low-productive lands were withdrawn from agriculture. We suggested that the sustainability of agricultural land use was mainly caused by the reduction of anthropogenic load and increase in ecological equilibrium of the territory.

scholarly journals Conceptual Sentiment Analysis Model

2018 ◽  
Vol 8 (4) ◽  
pp. 2358 ◽  
Author(s):  
Kranti Vithal Ghag ◽  
Ketan Shah
Keyword(s):  
Sentiment Analysis ◽  
Relative Frequency ◽  
Syntactic Structure ◽  
Research Work ◽  
Average Frequency ◽  
Semantic Structure ◽  
Analysis Model ◽  
Inverse Document Frequency ◽  
Document Frequency ◽  
Improve Accuracy

<span>Bag-of-words approach is popularly used for Sentiment analysis. It maps the terms in the reviews to term-document vectors and thus disrupts the syntactic structure of sentences in the reviews. Association among the terms or the semantic structure of sentences is also not preserved. This research work focuses on classifying the sentiments by considering the syntactic and semantic structure of the sentences in the review. To improve accuracy, sentiment classifiers based on relative frequency, average frequency and term frequency inverse document frequency were proposed. To handle terms with apostrophe, preprocessing techniques were extended. To focus on opinionated contents, subjectivity extraction was performed at phrase level. Experiments were performed on Pang &amp; Lees, Kaggle’s and UCI’s dataset. Classifiers were also evaluated on the UCI’s Product and Restaurant dataset. Sentiment Classification accuracy improved from 67.9% for a comparable term weighing technique, DeltaTFIDF, up to 77.2% for proposed classifiers. Inception of the proposed concept based approach, subjectivity extraction and extensions to preprocessing techniques, improved the accuracy to 93.9%.</span>

DEVELOPMENT OF TECHNOLOGY FOR DEVELOPING ABANDONED AGRICULTURAL LANDS IN TVER REGION

2020 ◽  
Vol 15 (10) ◽  
pp. 1306-1311
Author(s):  
V.I. Berney ◽  
Keyword(s):  
Agricultural Land ◽  
Arable Land ◽  
Agricultural Products ◽  
Agricultural Machinery ◽  
Agricultural Lands ◽  
Tractor Equipment ◽  
Tver Region ◽  
Agricultural Organizations ◽  
Near Future

In the Non-Black Earth Zone of Russia, since the 90s of the last century, the number of tractor and other agricultural machinery has sharply decreased. If in 1990 there were more than 30 thousand tractors of various capacities in the Tver region, then by 2020 there are 4 thousand tractors left in collective agricultural organizations, and approximately the same number of tractors are in private farms. The reduction occurred more than 8 times, with the remaining equipment having an average age of over 12 years. The renewal of tractor equipment in recent years has been happening at a rate of 1-2% per year, at the same time, 7-8% of the remaining tractors are written off annually. Directly connected with such dynamics is the reduction of acreage, which decreased by about 10 times, to 120 thousand hectares. And only in recent years there has been an increase in cultivated areas to 278 thousand hectares. At present, 551 thousand hectares of agricultural land are used for the production of agricultural products, that is, from 2,575 thousand hectares. Half of the agricultural land is arable land. More than 300 thousand hectares of arable land are idle, overgrown with forest, bushes, hogweed. The age of vegetation, forests on abandoned arable land reaches 10 years. In the near future, most of these lands may be completely decommissioned.

The role of the federal registration service for the rational use of agricultural land

2021 ◽  
Vol 975 (9) ◽  
pp. 50-56
Author(s):  
V.N. Klyushnichenko
Keyword(s):  
Real Estate ◽  
Russian Federation ◽  
Rural Areas ◽  
Agricultural Land ◽  
Living Standards ◽  
Agricultural Lands ◽  
State Register ◽  
The Russian Federation ◽  
Registration Service

The author considers the issues of using agricultural land in the Russian Federation, which significantly affects the wellbeing of its citizens. The possibility of partial payment of works on the firstcategory lands inventory and complex cadastral works at the expense of funds received through submission of extracts from the Unified State Register of Real Estate is justified. The shortcomings of the existing system of securing rights to immovable property are reflected, which consist in the possibility of depriving their owners of the registered right in court. It is shown that protecting the rights of individuals and legal entities to land plots by the state, as well as improving the living conditions of the population in rural areas are the main directions of developing the agricultural branch and improving the living standards of rural commodity producers. Possible ways of reducing the area of unused agricultural lands are proposed.

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