Table 3.
Categories for quadrat assessment
| Category | Unit |
|---|---|
| Mussel cover | No. of quadrats (maximum of 8) |
| L. conchilega cover | No. of quadrats (maximum of 8) |
| Shell's cover | No. of quadrats (maximum of 8) |
| Sand cover | No. of quadrats (maximum of 8) |
| Unknown quadrats | No. of quadrats (maximum of 8) |
| Confidence level*1 | High, medium, low (depending on quality of the footage) |
*1Confidence level was used as a subjective categorical variable assessing the quality of the image and therefore the confidence in identifying structures in them. Quadrats with low confidence levels were considered unknown