353
ISPRS, Vol.34, Part 2W2, Dynamic and Multi-Dimensional GIS”, Bangkok, May 23-25 2001
Distance and direction travelled by tagged lobsters
Legend
Where tagged lobsters were released in
less than 18 m of water
18 to 90 m of water
• greater than 90 m of water
— Track of lobster(s) until their last recapture
Number tagged and released
Number recaptured which had not moved
Number recaptured which had moved
Fig. 10. Lobster movement in the Southeast Australian Coast.
5. Conclusion Marks
Coastal GIS development involves many aspects, which have
been investigated by many researcher. It covers data structure
(Li, 1999; Lucas, 1999; Sherin, 1999) /data model, data
standardise; analysis methods (Ricketss, 1992). It is a
challenge task facing both users and developers.
From the users’ point of view, Coastal GIS applications should
considered the following important point:
First, it should be thought through of the application you
wanted, in terms of budget and ongoing budget, time frame,
data structure, file systems structure, GIS functions required
and the expected outcome from the analysis to support your
objectives and how to handle the ongoing expansion.
Second, defining the level of application (Figure X) that
matches your objectives, then look into the available and
potential GIS functions suitable for the tasks at hand.
Third, starting with ‘bigger pictures’, considering the re-usage
and sharing of datasets, seeking for standardizing the data
and ensuring the data consistency and integrity.
From the development point of view, major challenge is at the
Level three application, where more integrated modeling is
badly needed. The primarily issue is what kind of coastal
model to adopt for integrating into GIS. As the coastal models
itself are diversified and continuously improving and new
model is developing more user-friendly interface is needed,
such as module-builder in graphic form [e.a. Stellar, () and
Grid Modeler (ESRI, 1994)] that are routinely used in computer
simulation.
Acknowledgement
The authors wish to thank to Mr. Greg West, Francis Dorman,
Jim Craig and John Matthews for their help in preparing the
figures. Administrative support from Division of Geography,
School of Geosciences, University of Sydney and NSW
Fisheries are greatly acknowledged. Thanks are also due to
NSFC for funding of the Project No. 49806003.
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