Outlook Online 2009
Research Publication No. 52
Preliminary Evaluation of an Acoustic Technique for Mapping Tropical Seagrass Habitats
W .J. Lee Long, L.J. McKenzie and C.A. Roder
Seagrass Ecology Group
Northern Fisheries Centre
Queensland Department of Primary Industries & Fisheries
A.J. Hundley
Offshore Scientific Pty Ltd
June 1998
- COVER PAGE & VERSO
[Adobe Acrobat Format 99.10KB] - TABLE OF CONTENTS
[Adobe Acrobat Format 149.01KB] - EXECUTIVE SUMMARY
[Adobe Acrobat Format 87.50KB] - INTRODUCTION & BACKGROUND
[Adobe Acrobat Format 204.66KB]
- Surveying techniques used in tropical seagrass habitats..
- Acoustic techniques
- Objectives
- METHODS
[Adobe Acrobat Format 4984.15KB]
- Site details..
- Experimental design
- Acoustic surveying
- Mapping seagrass habitat edges..
- Seagrass biomass
- Sediment type
- Dive-based Surveying
- Mapping Seagrass Habitat Edges..
- Seagrass Biomass..
- Sediment Type..
- Comparison of methods
- Mapping Seagrass Habitat Edges
- Estimating Seagrass Biomass
- Sediment type
- RESULTS
[Adobe Acrobat Format 11717.44KB]
- Mapping seagrass habitat edges
- Fan beam mapping using a transducer on a “towfish”
- 3. I .2. Fan beam mapping using a fixed transducer..
- Estimating seagrass biomass
- Finescale (sites with 10 m radius)
- Broadscale (regions > 1 hectare)
- Describing sediment type
- Mapping seagrass habitat edges
- DISCUSSION, CONCLUSIONS AND RECOMMENDATIONS
[Adobe Acrobat Format 580.76KB]
- Mapping seagrass meadow edges
- Seagrass biomass
- Other seagrass mapping information..
- Sediment mapping
- Efficiencies of survey methods
- REFERENCES
[Adobe Acrobat Format 153.43KB] - APPENDICIES
[Adobe Acrobat Format 262.53KB]
Related Links
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[Adobe Acrobat Format 18222.53KB]
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