Ecological Economic Zone Research Articles

Regional and local topography subdivision and landform mapping using SRTM-derived data: a case study in southeastern Brazil

Topographic subdivisions and landforms are important relief characteristics that serve as a basis for several types of regional and local planning. This paper presents an assessment of the application of a global landform classification method on a regional scale using Sao Paulo State as the study area and on a local scale using the city of Sao Paulo as the study area. In addition, a new approach that includes elevation derivatives for local analysis is presented. The study hypothesizes that the automated object-based classification of topography from shuttle radar topography mission (SRTM) data method could also be used for local mapping when supported by elevation derivative data. SRTM data were used in the regional approach and post-processed elevation data derived from SRTM were used for the local analysis. The results were compared with the best available geomorphological maps and topographic surface descriptions of the region. The new method resulted in a regional-scale product in which the boundaries and features of the topography matched those in the geomorphological maps and in the literature. The method did not perform well when classifying the local topographic subdivisions of Sao Paulo, even when using the interpolated elevation data. However, the surface edges and shapes identified in the topographic maps were represented in the resulting map. To refine the results, a new approach was proposed using data derived from a digital elevation model, such as drainage densities, horizontal and vertical curvatures, and slope gradients. The use of these products in the image segmentation process and classification criteria was fundamental for obtaining the results. Theoretical thresholds were used to define the relief classes, and landform characteristics were taken into account in developing the landform map. The success of this new approach is attributed to the comprehensive database that supported the topographic subdivision analysis. In summary, this study indicates that a method developed for use on a global scale can be replicated for use on a regional scale but not on a local scale. The new approach produced reasonable results and can be used in other regions. Greater detail can be obtained using various thresholds of horizontal and vertical curvatures, for example, when delineating hazard areas. The products have potential applications in urban planning, ecological-economic zoning, urban drainage, hazard mitigation, environmental issues, erosional dynamics and transportation planning.

Conversion of land use and cover in northwest Amazon (Brazil)

The increasing use of natural resources in a disorderly way has been demanding constant monitoring and ecological-economic zoning. The knowledge on land use and cover allows that measures that guarantee the preservation, maintenance of the environment and space management be appropriate to the reality, since through these factors it is possible to follow the probable environmental impacts and the socioeconomic development of a place in several contexts. The Geographical Information System (GIS) and remote sensing techniques have been applied to land use and land cover mapping. This study aimed to analyze the conversion of land use from different perspectives, concerning geoprocessing techniques, in the southeastern of Roraima State, Brazil, in two distinct periods. In order to verify the land use and cover, two analyses were conducted, using the Spring and TerraView softwares. Great part of the cultivated areas was converted into capoeira, what probably denotes an ending of profitable agriculture, as well as its abandonment caused by the nutritional deficiency of the soil, that became inappropriate for cultivation in the subsequent years. A fuzzy logic would possibly fit well to the types of data analyzed, because the attribute query is overly complex.

From Disordering Center Competition to Space Cooperation: Constructing Central Triangle Metropolitan Areas

Current development of metropolitan area is appearing the trend of multi-center. This thesis analyses the predicament of the disordering center competition that the developments of Wuhan city circle, Changsha-Zhuzhou-Xiangtan city groups, Poyang Lake Rim Ecological Economic Zone are facing. Based on the reality that the metropolitan areas are geographically adjacent, culturally similar, sharing the same objective and industry convergent, this paper thinks about the space cooperation of metropolitan areas. Aimed at providing some suggestions for the development of central triangle metropolitan areas, the development assumption of central triangle metropolitan areas construction has been proposed, and corresponding coping measures have been put forward to deal with spatial order, space function, spatial relationship and spatial security.

Ecological risk caused by land use change in the coastal zone: a case study in the Yellow River Delta High-Efficiency Ecological Economic Zone

China's coastal zone plays an important role in ecological services production and social-economic development; however, extensive and intensive land resource utilization and land use change have lead to high ecological risk in this area during last decade. Regional ecological risk assessment can provide fundamental knowledge and scientific basis for better understanding of the relationship between regional landscape ecosystem and human activities or climate changes, facilitating the optimization strategy of land use structure and improving the ecological risk prevention capability. In this paper, the Yellow River Delta High-Efficiency Ecological Economic Zone is selected as the study site, which is undergoing a new round of coastal zone exploitation and has endured substantial land use change in the past decade. Land use maps of 2000, 2005 and 2010 were generated based on Landsat images by visual interpretation method, and the ecological risk index was then calculated. The index was 0.3314, 0.3461 and 0.3176 in 2000, 2005 and 2010 respectively, which showed a positive transition of regional ecological risk in 2005.

Analysis of Water Resource Carrying Capacity in the Ecological Economic Zone of Dongting Lake

In this study, the supportable maximum GDP/ population and the water poverty status were analyzed using the dual indices calculation model and the water poverty index in the Ecological Economic Zone of Dongting Lake in the different planning level years. The results showed that the supportable maximum GDP and population keep on increasing in the Ecological Economic Zone of Dongting Lake in the planning level years, and that in the Yueyang, Changde and Yiyang was the three maximum. On the other hands, the water poverty status in the Ecological Economic Zone of Dongting Lake was improved in the planning level years since the water conservancy project construction, the incremental water supply and the pollutants abatement. Key words: Water Resource Carrying Capacity; Dual Indices Calculation Model; Water Poverty Index; Ecological Economic Zone of Dongting Lake

鄱阳湖生态经济区生态经济指数评价

鄱阳湖生态经济区生态经济指数评价

Soil maps, field knowledge, forest inventory and Ecological-Economic Zoning as a basis for agricultural suitability of lands in Minas Gerais elaborated in GIS

Lands (broader concept than soils, including all elements of the environment: soils, geology, topography, climate, water resources, flora and fauna, and the effects of anthropogenic activities) of the state of Minas Gerais are in different soil, climate and socio-economics conditions and suitability for the production of agricultural goods is therefore distinct and mapping of agricultural suitability of the state lands is crucial for planning guided sustainability. Geoprocessing uses geographic information treatment techniques and GIS allows to evaluate geographic phenomena and their interrelationships using digital maps. To evaluate the agricultural suitability of state lands, we used soil maps, field knowledge, forest inventories and databases related to Ecological-Economic Zoning (EEZ) of Minas Gerais, to develop a map of land suitability in GIS. To do this, we have combined the maps of soil fertility, water stress, oxygen deficiency, vulnerability to erosion and impediments to mechanization. In terms of geographical expression, the main limiting factor of lands is soil fertility, followed by lack of water, impediments to mechanization and vulnerability to erosion. Regarding agricultural suitability, the group 2 (regular suitability for crops) is the most comprehensive, representing 45.13% of the state. For management levels A and B, low and moderate technological level, respectively, the most expressive suitability class is the regular, followed by the restricted class and last, the adequate class, while for the management level C (high technological level) the predominant class is the restricted. The predominant most intensive use type is for crops, whose area increases substantially with capital investment and technology (management levels B and C).

Spatial Econometric Analysis of Cultivated Land Change and its Influencing Factors in the Poyang Lake Eco-Economics Zone

Spatio-temporal pattern of cultivated land change and its influencing factors in the Poyang Lake Ecological Economic Zone were conducted by exploratory spatial data analysis and spatial autocorrelation analysis. Results show that there is an obvious correlation for the spatial distribution of cultivated land in the Poyang Lake Eco-economics Zone. Its value of Morans I reduced from 0.4574 in 2002 to 0.4092 in 2008, and then increased to 0.4352 in 2009, which roughly presented a "U" type distribution. Total population is the most important factor that affecting the change of cultivated areas in the Poyang Lake Eco-economics Zone. Agricultural growth, average wage of urban residents and the fixed assets investment are also the main driving factors. Spatial auto-regression model is an effective tool for revaluating the spatial distribution of regional cultivated land, and revealing the evolution mechanisms of cultivated land.

Study on Selecting Leading Industries for an Eco-Economic Zone Based on the AHP Method - An Example for Poyang Lake Eco-Economic Zone of China

A leading industry in a region refers to an industry that can drive industrial development and economic growth in the region. It is generally selected subject to qualitative and quantitative analysis. This paper uses Poyang Lake Eco-economic Zone as an example to propose modern agriculture, new industry, and eco-tourism as leading industries for Poyang Lake Eco-economic Zone based on the historical study in compliance with the following aspects: theories and principles of selecting a regionally leading industry; indicators such as comparative advantages, industry associations, regionally economic promotion, industrial development potential, technological improvement, and social benefits; AHP method as the key method; development trend of Poyang Lake Ecological Economic Zone; qualitative and quantitative selection of leading industries for Poyang Lake Eco-economic Zone.

The Study on the Relationship of the Poyang Lake Water Level and the Water Area by Using MODIS Data from 2000 to 2012

Based on the MODIS data from 2000 to 2012 and the water level data of the Poyang Lake, this paper extracted the water area of the Poyang Lake and got the long time seasonal changing characteristics of the water area and analyzed the relationship between the water level and the water area with the use of the historical water level data of the Poyang Lake. The results provide scientific basis for the building of the Poyang Lake Ecological Economic Zone and the researching of the seasonal change of water resource.

Research on the Coordination of Economy and Environment for Poyang Lake Ecological Economic Zone

It is a very important problem that economic and environmental coordinated development in PLEEZ. This paper found economic and environmental systems, a quantitative method was proposed which systemic coordinated evaluation based on the principal component analysis and system index of sustainable development for PLEEZ, the conclusions provide a useful reference to economic development and environmental protection coordination of PLEEZ.

Desafios do desenvolvimento em Miracema (RJ): uma abordagem territorial sustentável de saúde e ambiente

O objetivo deste trabalho foi identificar e caracterizar um modelo de gestão do marketing como estratégia para promoção do município saudável e sustentável em Miracema (RJ). A estrutura da pesquisa deu-se, primeiro, pela coleta de dados primários, com a realização de entrevistas com gestores municipais para conhecer o Sistema de Gestão Municipal e construir mapas participativos para diagnóstico dos problemas e conflitos. Segundo, uma pesquisa de abordagem qualitativa, interpretando a percepção junto à população por meio de questionário estruturado da problemática no município. Na investigação de ferramentas e instrumentos para resposta à problemática no município de Miracema utilizou-se como referencial a matriz Pressão-Estado-Impacto-Resposta (PEIR). Com base no conhecimento produzido, elaborou-se a proposta de gestão do marketing no município baseada nos indicadores de resposta diagnosticados na esfera municipal. Miracema apresenta potencial para desenvolvimento nos setores primário e secundário. O agronegócio deve ser desenvolvido no modelo sustentável, em conformidade com políticas públicas capazes de promover a continuidade de investimentos. O mesmo aplica-se ao aproveitamento da matéria prima na indústria. Logo, o Zoneamento Econômico Ecológico do município contemplando o ambiente induz a ferramenta indispensável de sua viabilidade.

Metodologias para estudos integrados de recursos naturais: uma discussão a partir do zoneamento ecológico-econômico

Este artigo adentra-se no debate sobre as evoluções metodológicas dos zoneamentos integrados constantes nos instrumentos de planejamento ambiental e de ordenamento territorial do Brasil. Em especial, enfoca o debate promovido em torno da metodologia do Zoneamento Ecológico-Econômico – ZEE - brasileiro, instrumento basilar de planejamento territorial do país. Ao longo de seu processo histórico de desenvolvimento, o ZEE tornou-se um zoneamento amplo, que incorpora diversas temáticas ambientais e sócio-econômicas. Contudo, ainda existem diversos pontos nevrálgicos em constante discussão, bem como vários desafios a serem vencidos. O artigo pretende cobrir várias facetas desse debate, além de sugerir novas metodologias provenientes de outras áreas de estudo, e que podem contribuir para que os estudos integrados de meio ambiente tornem-se cada vez mais eficientes.

The Analysis and Evaluation on Tourism Competitiveness of Poyang Lake Ecological Economic Zone of China Based on TOPSIS Method

The tourism development of Poyang Lake ecological economic zone of China is uneven. And there are few scholars using quantitative methods to study the regional tourism competitiveness.This article uses quantitative weighted TOPSIS method, selects different levels of evaluation indicators, and builds evaluation index system, to analyze and evaluate the tourism competitiveness of Poyang Lake ecological economic zone of China.

中国鄱阳湖湖泊生态学研究

鄱阳湖是江西人民的“母亲湖”，是我国最大的淡水湖，是世界生命湖泊网中的重要成员，自鄱阳湖生态经济区建设上升为国家战略之后，对鄱阳湖的湖泊生态研究显得越来越重要。本文在调查研究和文献阅读的基础上，对鄱阳湖湖泊生态学的发展以及研究内容进行简要分析和总结，为促进鄱阳湖湖泊生态学更好更快地发展提供参考资料。目前鄱阳湖湖泊生态学的研究主要集中在以下几个方面——鄱阳湖气候变化研究、鄱阳湖土壤生态研究、鄱阳湖水体生态研究、鄱阳湖生物多样性研究、鄱阳湖景观生态研究以及鄱阳湖生态修复研究等，在今后的研究中需要加强对鄱阳湖生物多样性、景观生态和生态修复的研究。 Poyang Lake is Jiangxi people’s “mother lake”, China’s largest freshwater lake, and the important member in the lake net of the world’s life. Since the construction of Poyang Lake ecological economic zone rose to national strategy, lake ecological research of Poyang Lake has become more and more important. In this paper, on the basis of the investigation research and literature reading, a brief analysis and summary of the development and research of lake ecology of Poyang Lake have been made, so as to provide some references for promoting lake ecology of Poyang Lake better and faster development in the future. It is found that, at present, the research mainly focused on the following aspects: climate change research, soil ecological research, water ecological research, biodiversity research, landscape ecological research, ecological restoration research, etc. We need to strengthen the research of biodiversity, landscape ecology and ecological restoration in the future.

Projected Changes of Grassland Productivity along the Representative Concentration Pathways during 2010–2050 in China

The grassland is an important land use type that plays an important role in the ecosystem services supply in China. It is of great significance to the grassland management to determine the changing trend of grassland productivity and its response to climate change. Firstly, the relationship between grassland productivity and climate change, geographical conditions, and human activities was analyzed with the panel data of the whole China during 1980–2010 in this study. The result indicated that the temperature and precipitation were very important to grassland productivity at the national scale. Secondly, the grassland in China was divided into 7 grassland ecological-economic zones according to the ecosystem service function and climate characteristics. The relationship between grassland productivity and climate change was further analyzed at the regional scale. The result indicated that the temperature is more beneficial to the increase of the grassland productivity in the Qinghai-Tibet Plateau and the Southwest Karst shrubland region. Thirdly, the increase of the temperature and precipitation can increase the grassland productivity and consequently relieve the pressure according to the climate factors of simulation with the community climate system model v4.0 (CCSM). However, the simulation result indicates that the human pressure on grasslands is still severe under the four RCPs scenarios and the grassland area would reduce sharply due to the conversion from the grassland to the cultivated land. What is more, there is still a great challenge to the increase of total grassland productivity in China.

Soil Pollution Prevention Planning of Poyang Lake Ecological Economic Zone

Soil pollution is the important part of environmental pollution which affects the quality of agricultural products and safety of human health. taking Poyang Lake Ecological Economic Zone as the specific study object, on the basis of an overview of soil pollution status quo in the area, the soil pollution prevention plan of Poyang Lake Ecological Economic Zone was probed into which included the guiding ideology and principles, the planning target and indicators, soil function zoning, planning content and planning measures, while the planning content includes emphasis content plan of agricultural soil pollution prevention and contaminated sites ecological restoration, emphasis pollutants plan, emphasis regional plan, emphasis industries plan and emphasis project plan. It can improve the soil environment quality of Poyang Lake ecological Economic Zone to provide environmental guarantee for sustained and healthy development in the area.

Study on webGIS Traffic Engineering Archives Management System

The goal of this thesis is to realize traffic engineering archives management, only need a few professionals can be realized on the inside area of an under construction and has built the traffic engineering in real time for file management and assessment, to ensure that the system can maximize the play of action, safeguard traffic engineering archives management. Based on the engineering archives management to promote engineering safety, quality, cost, schedule, and information management. Make daily collection of massive project archives data is used for traffic engineering the study, the sudden accident, for the authorities to provide real-time data on the basis of decision-making, reduce accidents caused by social and economic losses, for the Jiangxi province highway traffic safety situation evaluation and emergency command and to provide corresponding reference. At the same time the topic form multidisciplinary teamwork can also through combination of further promoting the Poyang Lake Ecological Economic Zone in the transportation industry personnel training mode of development.

Research on the Algorithm of Prevention Forest Fire Disaster in the Poyang Lake Ecological Economic Zone

Poyang Lake Ecological Economic Zone has large forest area, so it's very important to construct prevention forest fire disaster system. This paper presents an algorithm for prevention forest fire disaster based on digital image processing technology. The algorithm distinguishes the realtime forest video by smoke and fire. To determine whether there are some suspicious area in the image in the spatial domain by judging the color properties of smoke and fire through Clustering Algorithm. If it detects any suspicious circumstances, then fixes ccd and detects the suspicious areas in the time domain. In this step, firstly get the initial detect results by wavelet decomposition , then use the k-means clustering algorithm for the spread detection of smoke. Experimental results show that the algorithm is ideal for the experimental video. It alarms before the fire disaster occurs to avoid major fire disaster, which protects the forest resources in the Poyang Lake Ecological Economic Zone.

Avaliação da integridade ecológica de rios em áreas do zoneamento ecológico econômico do complexo hidrográfico Guapiaçu-Macacu, RJ, Brasil

Aquatic ecosystems have often been significantly altered by multiple impacts. The Guapiacu-Macacu Hydrographic Complex is an important basin in Rio de Janeiro characterized by distinct ecological zones that make up an Ecological Economic Zoning. This research evaluated ecological upright in segments of this Complex located in Wildlife Conservation Zone (WCZ) and the Agricultural Use Zone (AUZ) using the Protocol Visual Assessment (PVA) and physical, chemicals and microbiology methods. The results showed a significant difference between the points of lowest contamination degree in WCZ and stretches with a greater impact degree in AUZ. The PVA was more sensible than the conventional parameters in the resolution between segments impacted environmentally and impacted middle located in AUZ. This type of evaluation proved to be more effective in environmental monitoring the water quality for watersheds that have their Ecological Economic Zoning Plan. Therefore, the use of physical, chemical and microbiological methods must be complemented by the PVA.