| The new century is considered as the new era for development of sea resources. In this proceeding, the sustainable development is the main topic and the way to solve the problems of quick increasing of populations, shortage of nature resources and serious environmental pollution. In the southeast part of China, the population is great and the economy is developing quickly. The area along the coastal zone is about 15% of the total land area of China, which bread 40% people of total population. There is 70 % amount of large and medium cities in this area and 55% of GDP is coming from this area, which plays an important role in the economic construction and development in China. We started the project of the division of marine functional zonation at 80s of last century and we have done great achievements up to now. The State Oceanic Administration (SOA) began to plan the project in1989 and finished the work in 1997, which lasted through 8 years. Through the collection and analyses of data for marine resources on the coastal zone as well as the offshore area, the dominant function of the Bohai Sea, the Yellow Sea, the East China Sea and the South China Sea was defined. 3,642 number of marine functional zonations has been divided and among them there are 2482 zonations for development usage, 529 for nourishment and protection, 221 for natural protection, 330 for special usage and 80 for reservation.On the basis of the first Chinese division of marine functional zonation, the SOA began another project with much larger scale in order to obtain more detailed result and to promote its wide applications. A national standard, the technical directives for the division of marine functional zonation, was drawn and issued in 1997 by China State Bureau of Quality Technical Supervision (SBTS). The concepts, aims, principles for the division of marine functional zonation have been prescribed in the standard. Inthe mean time, some experts and researchers pay their much attention to the study on the aims, meanings, principles as well as kennels of execution, which are the foundation of the theory for the division of marine functional zonation.By the review of the proceedings and history of the division of marine functional zonation, this paper gives the summary of the theory and technical methods systemically. To the questions for the concerned criterion, we discussed the objectives and their relations that dominate the results of the division. This paper try to define the Spatial Relational Model (SRM) and the calculate methods to describe the theory in a digital way. We also have completed the implementation of the model under GIS environment and verify the propriety through the application of the division in Laizhou Bay. Main contents are showed bellow:1, The review of proceedings of the division of marine functional zonation and the assessment of the relative theoryThe results and theory with the proceedings of the division of marine functional zonation in China are both the basis or guild for the division and the scientific accordance to develop the digital methods. As the division process has to obey the marine resources and their distributions, the exploration and use of marine resources become the principle factors that affect the division result. Marine resources can be divided as 6 different types: spatial resource, fishery resource, mineral resource, chemical resource, new energy resource and tour resource. The multi-types of marine resources and overlay for their spatial distributions result in the uncertainty. This paper tries to promote SRM to define the division in a digital way to solve the problem of uncertainty.2, The definition of the SRM for the division of marine functional zonation as well as the calculate methodsThis paper defines the functional zonation as the objectives and sets of spatial properties and relational attributes. The relational attributes here include the natural characteristics for each functional zonation, and each characteristic is the memberelement of the...
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