永久基本农田保护片区智能识别系统iZone的建立与应用
永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务,其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要集中连片,更需要协调城镇化矛盾。因此,如何从土地利用现状数据库中提取永久基本农田保护图斑实际上是一个复杂的空间数据挖掘过程。研究利用农用地分等成果定义保护片区质量,利用元胞自动机模拟分析土地利用矛盾,利用种子扩充算法进行保护片区搜索,利用神经网络进行耕地保护压力预警。基于C#和Arc Engine10.1将多种空间数据挖掘模型进行集成,构成了面向全域永久基本农田识别的智能系统工具包iZone,并在广东省高要区金利镇进行实例应用。研究表明,iZ...
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| Published in | 农业工程学报 Vol. 33; no. 2; pp. 276 - 282 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广东省国土资源技术中心,广州,510075%广东工业大学管理学院,广州,510520
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2017.02.038 |
Cover
| Abstract | 永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务,其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要集中连片,更需要协调城镇化矛盾。因此,如何从土地利用现状数据库中提取永久基本农田保护图斑实际上是一个复杂的空间数据挖掘过程。研究利用农用地分等成果定义保护片区质量,利用元胞自动机模拟分析土地利用矛盾,利用种子扩充算法进行保护片区搜索,利用神经网络进行耕地保护压力预警。基于C#和Arc Engine10.1将多种空间数据挖掘模型进行集成,构成了面向全域永久基本农田识别的智能系统工具包iZone,并在广东省高要区金利镇进行实例应用。研究表明,iZone能按既定规则从土地利用现状数据库中提取保护图斑,有效避免了人为划定的过多主观性,并且能获得与人工方案相当乃至更好的表现。iZone利用复杂地理计算技术进行永久基本农田智能识别,可提高永久基本农田划定工作的科学性。 |
|---|---|
| AbstractList | 永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务,其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要集中连片,更需要协调城镇化矛盾。因此,如何从土地利用现状数据库中提取永久基本农田保护图斑实际上是一个复杂的空间数据挖掘过程。研究利用农用地分等成果定义保护片区质量,利用元胞自动机模拟分析土地利用矛盾,利用种子扩充算法进行保护片区搜索,利用神经网络进行耕地保护压力预警。基于C#和Arc Engine10.1将多种空间数据挖掘模型进行集成,构成了面向全域永久基本农田识别的智能系统工具包iZone,并在广东省高要区金利镇进行实例应用。研究表明,iZone能按既定规则从土地利用现状数据库中提取保护图斑,有效避免了人为划定的过多主观性,并且能获得与人工方案相当乃至更好的表现。iZone利用复杂地理计算技术进行永久基本农田智能识别,可提高永久基本农田划定工作的科学性。 P208; 永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务，其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要集中连片，更需要协调城镇化矛盾。因此，如何从土地利用现状数据库中提取永久基本农田保护图斑实际上是一个复杂的空间数据挖掘过程。研究利用农用地分等成果定义保护片区质量，利用元胞自动机模拟分析土地利用矛盾，利用种子扩充算法进行保护片区搜索，利用神经网络进行耕地保护压力预警。基于C#和ArcEngine10.1将多种空间数据挖掘模型进行集成，构成了面向全域永久基本农田识别的智能系统工具包iZone，并在广东省高要区金利镇进行实例应用。研究表明，iZone能按既定规则从土地利用现状数据库中提取保护图斑，有效避免了人为划定的过多主观性，并且能获得与人工方案相当乃至更好的表现。iZone利用复杂地理计算技术进行永久基本农田智能识别，可提高永久基本农田划定工作的科学性。 |
| Abstract_FL | China has fed about 20% of the world population with only 8% of the world land. Actually, the proportion of arable land is much lower than 8% because most of the land is unavailable for agriculture activity, such as mountains, deserts and so on. Since the reform and opening-up policy was proposed in 1978, China has undergone rapid urbanization, which has become a great threat to food security. In this case, Chinese government proposed a new policy about protection of permanent basic farmland in response to the increasing urban growth. It is important and urgent to zone the permanent farmland for restraining the pell-mell urban expansion and improving the protective efficiency, which is of great significance to food security for China. Whether the basic farmland protection is permanent or not, the core problem is to identify which arable land should be protected. In general, the core elements for identifying permanent basic farmland are the quality and the spatial pattern of arable land, which mainly determines the zoning pattern of permanent basic farmland protection. This aims to contradict the conflicts between farmland protection and urban growth. And there are many objectives should be considered when identifying the permanent basic farmland in actual engineering practice. For example, a contiguous pattern is more preferred for modernizing the agricultural sector. Therefore, it is a complex data mining problem to identify and zone permanent basic farmland from land-use status quo database. In this paper, the result of farmland utilization grade was applied to measure the quality of arable land. Cellular automata was further developed to simulate the conflict between farmland protection and urban growth, and then the arable lands located within the simulated growth area can be easily detected and excluded from protection. However, those arable lands around cities and traffic lines with the high quality may be also allowed for urban growth. This may disobey the new policy of farmland protection enacted by government. Whether the arable lands of high quality around cities and traffic lines are protected or not is greatly determined by local government. In order to zone the plausible protection pattern, a seed search algorithm was improved and induced. A series of factors including the quality of arable land, coordinated pattern of urban growth, landscape connectivity of zoned protection area, and topographic constraints were further incorporated to derive the relatively best protection pattern. Moreover, artificial neural network algorithm was used to forecast the protection stress of basic farmland due to the increasing urban expansion. An intelligent zoning tool (iZone) was developed using the component technology of ArcGIS and C#. This tool was used to identify universe basic farmlands with the integration of the above mentioned data mining models. Jinli town of Gaoyao district located in Guangdong province was further selected as a case study area to test the iZone’s performance. The quantitative comparison between the pattern identified by expert’s work and that obtained by iZone was also carried out. Results demonstrated that iZone can retrieve a better protection pattern of permanent basic farmland from land-use status quo database, which can efficiently avoid the subjectivity of artificial work. iZone can identify the permanent basic farmland under the support of complex geographic computation technologies. It is of some practicability in decision-making for permanent basic farmland protection. |
| Author | 马世发 吴楷钊 劳春华 钟远军 张婷 黄韬 |
| AuthorAffiliation | 广东省国土资源技术中心,广州510075 广东工业大学管理学院,广州510520 |
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| Author_FL | Lao Chunhua Zhong Yuanjun Huang Tao Wu Kaizhao Zhang Ting Ma Shifa |
| Author_FL_xml | – sequence: 1 fullname: Ma Shifa – sequence: 2 fullname: Wu Kaizhao – sequence: 3 fullname: Lao Chunhua – sequence: 4 fullname: Zhong Yuanjun – sequence: 5 fullname: Zhang Ting – sequence: 6 fullname: Huang Tao |
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| Keywords | 永久基本农田 seed searching artificial neural network 人工神经网络 元胞自动机 种子搜索 permanent prime farmland 农用地利用等别 cellular automata 区划 land use identification 识别 zoning 土地利用 farmland utilization grade |
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| Notes | 11-2047/S Ma Shifa1, Wu Kaizhao1, Lao Chunhua2, Zhong Yuanjun1, Zhang Ting1, Huang Tao1 （1. Land and Resources Technology Center of Guangdong Province, Guangzhou, 510075, China; 2. School of Management Guangdong University of Technology, Guangzhou, 510520, China） China has fed about 20% of the world population with only 8% of the world land. Actually, the proportion of arable land is much lower than 8% because most of the land is unavailable for agriculture activity, such as mountains, deserts and so on. Since the reform and opening-up policy was proposed in 1978, China has undergone rapid urbanization, which has become a great threat to food security. In this case, Chinese government proposed a new policy about protection of permanent basic farmland in response to the increasing urban growth. It is important and urgent to zone the permanent farmland for restraining the pell-mell urban expansion and improving the protective efficiency, which is of great significance to food security for China. Whether the basic |
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| PublicationTitle | 农业工程学报 |
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| Publisher | 广东省国土资源技术中心,广州,510075%广东工业大学管理学院,广州,510520 |
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| Snippet | 永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务,其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要集中连... P208; 永久基本农田划定是当前国土资源管理一项十分重要而紧迫的任务，其对维护粮食安全和控制城镇无序增长具有重要意义。永久基本农田划定不仅要满足耕地质量较高而且还要... |
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| SubjectTerms | 人工神经网络 元胞自动机 农用地利用等别 区划 土地利用 永久基本农田 种子搜索 识别 |
| Title | 永久基本农田保护片区智能识别系统iZone的建立与应用 |
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