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DocumentLand resources information systems in the Near East
Regional workshop Cairo, 3-7 September 2001
2002Also available in:
No results found.This document contains the proceedings of the Regional Workshop on Land Resources Information Systems (LRIS) in the Near East, held in Cairo from 3 to 7 September 2001. The meeting was organized by FAO Land and Water Development Division (AGL) and the Near East Regional Office, in collaboration with Egypt's Executive Authority for Land Improvement Projects (EALIP). LRIS experiences in the countries are presented as well as recommendations for future collaboration in database development, reporti ng and exchange of information, expertise and experiences in land and water management in the region and the implementation of regional projects. This includes the preparation of a regional report on the state of land and water resources in the Near East for dissemination through the AGL Gateway Web site and a regional project on capacity building in LRIS for drought vulnerability assessment and mitigation in the region. -
No Thumbnail AvailableBook (series)Geographical information systems and remote sensing in inland fisheries and aquaculture 1991
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The rapidly rising world population is causing both a pressure on land and water space and the need to greatly increase food output. A realistic and practicable way of supplying more food protein is to increase fish production through the extension of aquaculture and inland fisheries. Since production sites for these activities need to satisfy fairly complex location criteria, it is important that suitable areas are identified and preferably designated in advance. The location criteria which con trol aquaculture and inland fisheries are identified and described. These mainly consist of physical and economic considerations though social factors may be important. It is necessary to obtain data to allow for its mapping. The various alternatives for assembling this data are described. Two fields of applied science and technology have recently emerged which, when used in combination, can greatly assist in the spatial decision-making process. The fundamentals of the first of these, remote sensing, are described giving particular emphasis to the commercial, high resolution environmental satellites and the sensing devices which they carry. The manner in which the aerial photographic and digital images which are produced can be processed and applied to the search for optimum fish production locations is described, and then indications are given as to where and how remotely sensed data can best be procured. Once the various types of locational data are assembled, the necessary maps o n which location decisions are made can be drawn up. This task can be greatly expedited by using the second applied science and technology field, that of “geographical information systems”. This emerging methodology relies on the increasing power of the computer to process vast amounts of spatially referenced and encoded data in such a way as to produce any desired maps, tabular or textual output, using a large array of ways to manipulate the data. The required computer hardware and software are reviewed, including examples where appropriate, and we show the considerations which are necessary in setting up a geographical information system for the development and management of aquaculture and inland fisheries. We conclude by giving an divergent selection of relevant case studies. -
No Thumbnail AvailableBook (series)Geographical information systems - Applications to marine fisheries 1996
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No results found.The late 20th century has witnessed increasing crises in the world's marine fisheries. A causal analysis of these reveals that a common element are various manifestations of spatial inequity. This most frequently includes the inequity of access rights to the resource, but factors such as variations in resource depletion, spatio-temporal variations in stock recruitment, the imposition of regulatory zoning, destruction of marine ecosystems and the siting of mariculture facilities are other example s. To resolve some of these problems, management practices must be improved. As has been shown in other fields where spatially related problems occur, there is now a promising tool, Geographical Information Systems (GIS), which, combined with other analytical tools and models, could allow for improved spatial management. GIS are basically integrated computer based systems which allow for the input of digital geo-referenced data to produce maps plus other textual, graphical and tabular output. Th e essential usefulness of GIS however, lies in its ability to manipulate data in a large number of ways and to perform various analytical functions so as to produce output which makes for more efficient decision making.As with many computer based systems, the key to GIS success lies in the acquisition of suitable data. The various means by which both primary and secondary data can be located, gathered, accessed and stored are described. Data acquisition methods vary from simple surveys, question naires and counts through to the access of secondary digital databases via on-line networking capabilities. Once data has been acquired it is only useful to a GIS when it has been formatted, processed or structured in a way which the system will understand. The various ways of doing this are introduced. GIS's can function in an almost limitless variety of configurations of hard and software. The basic elements of these are described, as are examples of some of the software packages. Before a GIS is implemented into a fisheries management programme, then there are two major areas of consideration. The first of these concerns the potential that GIS might have as a management aid. Seven potential database areas for management are described in some detail. The second area considered is that of how best to implement a marine fisheries resource GIS, along with how to ensure that sufficient guidance and support can be obtained to assure its continued success. The paper concludes with an exami nation of some case studies covering a range of marine fisheries related topics.
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