scholarly journals An RP-MCE-SOP Framework for China’s County-Level “Three-Space” and “Three-Line” Planning—An Integration of Rational Planning, Multi-Criteria Evaluation, and Spatial Optimization

2019 ◽  
Vol 11 (11) ◽  
pp. 2997 ◽  
Author(s):  
Mingjie Song ◽  
DongMei Chen ◽  
Katie Woodstock ◽  
Zuo Zhang ◽  
Yuling Wu

“Three-space” (including agricultural space, urban and rural construction space, and ecological space) and “three-line” (including urban development boundary, prime farmland control line, basic ecological control line) planning has been regarded as an essential measure for China’s city and county level “multiple-plan integration”. It handles the multiple planning objectives of development management, agricultural land preservation, and ecological resource protection. This article proposes a rational planning with multi-criteria evaluation and spatial optimization (RP-MCE-SOP) framework for China’s county-level “three-space” and “three-line” planning by following the rational planning (RP) model and taking advantages of multi-criteria evaluation (MCE) and spatial optimization (SOP) techniques. The framework includes five steps of building the SOP model, land suitability evaluation with MCE, optimization problem solving, post-processing of land allocation solutions, and applying post-processed solutions to “three-space” and “three-line” planning. The framework was implemented in Dongxihu District of Wuhan City with the Boolean aggregation and analytical hierarchy analysis (AHP) MCE techniques and the patch-based Non-dominated Genetic Algorithm (NSGA-II) SOP algorithm. The case study shows: (1) The framework is feasible and useful for assisting decision making in “three-space” and “three-line” planning. (2) The planning solutions protect ecologically sensitive spaces and high-quality agricultural land and plan future construction in the urban peripheral area or transportation convenient areas. (3) The solutions are useful for planning the hard boundaries for ecological resource protection and prime farmland preservation and setting both hard and soft boundaries for urban growth.

Author(s):  
Lijing Tang ◽  
Dongyan Wang

Land resources provide stable support for economic development in China. However, due to the scarcity of land, the contradiction between agricultural land protection and construction land expansion is prominent. Under such circumstances, optimal allocation of land resources between agricultural and nonagricultural uses is vitally important. In view of the fact that land resources are indispensable inputs for production activities in agricultural and nonagricultural sectors, reducing the efficiency loss of land resource allocation between agricultural and nonagricultural uses is the only way to optimize the process. Counties are the basic administrative units in China, and their improvement of allocation efficiency will help optimize nationwide land resource allocation. This paper constructs models for estimating county-level land resource allocation efficiency from the perspective of sustainable development and searches for countermeasures to improve allocation efficiency. W County is used as an example to demonstrate how to choose these targeted countermeasures. It is concluded that the best way to optimize county-level land resource allocation between agricultural and nonagricultural uses can be found by estimating allocation efficiency from the perspective of sustainable development.


Author(s):  
Haroon Rasheed ◽  
Nabila Naz

The main goal of this research was to establish a spatial model for identification of suitable land for cotton in Punjab, Pakistan through evaluation of multidisciplinary variables by applying geographic information system (GIS) and analytical hierarchy process (AHP) approach. In this model, rivers were used as constraint and seven factors were temperature, soil physical and chemical properties, soil pH, aridity classes, agro-ecological zones, and river command area. On the basis of these parameters suitability maps were generated. By pair-wise comparison matrix (PWCM) of AHP, weights were extracted by means of principal Eigen vector by Saaty’s method, with accepted consistency ratio of 0.09. Multi-criteria evaluation (MCE) employing weighted linear combination aggregates all suitability maps to generate final suitability map. It was found that more potential sites exist along with existing cotton practiced area. The result provided important information for farmers to establish linkage between policy decisions andregulatory actions and to improve agricultural land management. 


2020 ◽  
Author(s):  
Dan Li ◽  
Jigang Qiao ◽  
Yihan Zhang

<p>Territory spatial planning is a guide and blueprint for future territorial development in China. It means to form a scientific, rational, intensive, and efficient spatial protection and development pattern in territory space. The first task according to the government is to delimitate the functional zones of ecology, agriculture, urban zones, and delineation of ecological protection red lines, permanent basic farmland boundaries, and urban development boundaries ("three zones and three lines"). Currently China used a resource and environment carrying capacity and land space development suitability evaluation ("double evaluations") to complete the delimitation task. However, the process of these evaluations and demarcation is relatively complicated, high-level human intervention, and the operability is not strong, therefore it is not practically at municipal or county level. We proposed a new delineation framework, methods, and software tools for the delimitation work, based on a spatial optimization and simulation coupling approach, and is verified by an example in Guangzhou, a super metropolis city in China. It shows that this method can rapidly and efficiently delimit urban ecological and agricultural zones based on regional geographic background conditions, by using an ant colony intelligent optimization algorithm, and using a cellular automata model to delineate compact urban zones. Compared with the "three zones" division plan in the "Guangzhou Land and Space Master Plan (2018-2035) Draft" which is published by local government, the delimitated functional zones by proposed method can meet the quantitative requirements of the draft, while providing more detailed and realistic spatial pattern of the three functional zones, which can be very useful for municipal and county level territory spatial planning work.</p>


Entropy ◽  
2017 ◽  
Vol 19 (11) ◽  
pp. 592 ◽  
Author(s):  
Lina Hao ◽  
Xiaoling Su ◽  
Vijay Singh ◽  
Olusola Ayantobo

Author(s):  
A. Dorjsuren ◽  
B. Batsaikhan ◽  
B. Gansukh ◽  
C. Jamsran ◽  
E. Nasanbat ◽  
...  

Abstract. The central agricultural region, a typically main agricultural zone of Mongolia. The area has undergone rapid agricultural land-use changes including land reclamation and cropland abandonment in the last decades due to growing population and food demand, climatic variability, and land-use policy. The utilization of the land is often unmatched with the inherent suitability of the land. Identification of the spatial distribution of suitable areas for cropland is essential for sustainable land-use recommendation. The objective of this study to delineate the areas suitable for cropland in the central agricultural region using a GIS-based multi-criteria evaluation of biophysical factors and multi-sensor data. We used 47 metrological station data of 10 years including temperature, precipitation, and solar radiation with topographic, soil property, landscape, and natural region map. The results indicate a suitable location and extent of crop farming areas at different suitability levels. The results can be used to identify priority areas for crop farming and sustainable land-use management.


1981 ◽  
Vol 13 (1) ◽  
pp. 55-57
Author(s):  
Lonnie R. Vandeveer

Hite and Dillman have addressed an issue important to this country in their paper. This issue, our changing prime farmland resource base, has received much attention recently and is likely to receive more in the future. Although the views expressed in the Hite and Dillman article are both original and stimulating, they deserve further discussion. Following are comments on the basic premise of their paper, the role of positive economics in this issue, and potential implications for agricultural land retention in the South.


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