Underwater
acoustics
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A more detailed explanation of undewater acoustic mapping techniques and assessment of their capabilties can be found at http://www.coastal.crc.org.au/cwhm/toolkit/technical_1_CA.html
The following table shows what is possible with underwater acoustics
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Environment type |
Subtidal depth>boat draft (depth>secchi depth) |
Subtidal visability>1m (depth>secchi depth) |
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| Seagrass cover | High | Medium | Low | High | Medium | Low |
| Substrate type (Seagrass/non-seagrass) |  |
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| Seagrass cover | |
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| Seagrass biomass | |
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| Seagrass species | |
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