258
259
259
260
Slack Hydrology as an Attribute
Limitations of this Study
Conclusions
Acknowledgements
Geomatics for the Management of Oyster Culture Leases and
Production
J. Populus, L. Loubersac, J. Prou, M. Kerdreux, and O. Lemoine
21
Introduction
Material and Methods
The Lease Cadastral Maps
The Depth Chart
The Tidal Model
Application to Dredging Plans
Future Prospects
Conclusion
22
GIS and Aquaculture: Soft-Shell Clam Site Assessment
A. Simms
Introduction
GIS and Aquaculture
Spatial Data Structures
Data Collection
A GIS Approach to Aquaculture Site Assessment
Site Characteristics
Water Quality
Mapping and Analysis of Soft-Shell Clams
Aquaculture Management and GIS
Conclusion
275
276
277
278
280
281
282
284
290
293
23
Evaluation of Ecological Effects of the North Sea Industrial Fishing
Industry on the Availability of Human Consumption Species Using
Geographical Distribution Resource Data
J. Robertson, J. McGlade and I. Leaver
Introduction
The North Sea Industrial Fishery and its Fish
The Regulatory Framework
Feeding Interactions and Stomach Content Data
Method for Estimating Predator Consumption Rates
Diet Content and Total Consumption 1983-95
Biomass Consumption Comparison 1977-1986 and 1987-1994
Ecopath Model
North Sea Fleet Dynamics
297
300
302
303
304
305
318
319
325
261
262
263
266
268
270
271
273
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