Dive Against Debris Data Submission
Rock Wall
25 March, 2023
- Team Leader
- Randunu Dimeshan
- Number of Participants
- 3
- Total Debris Collected
- 217 kgs (measured)
5.9228, 80.47834
Survey Information
- Location Name
- Rock Wall
- Organization/Dive Centre
- Polhena Diving Center
- City
- Matara
- Country
- Sri Lanka
- Date
- 25 March, 2023
- Survey Duration
- 38 Minutes
- GPS Coordinates
- Latitude: 5.9228
Longitude: 80.47834
- Weather Conditions
-
Some swell, no currents, and underwater visibility of around 8 meters. 30 Degrees (Celcius) water temperature.
- Survey Depth Range
- 20–22 meters
- Area Surveyed
- 55036.8 m2
- Dominant Substrate
- rock
- Ecosystem
- rocky reef
- Wave Conditions
- Smooth (wavelets) for waves 0.1 - 0.5 meter high
Survey Photos
Debris Items Collected
| plastic materials collected | |
|---|---|
| Fishing: Line | 5 |
| Fishing: Nets & Pieces Of Nets | 5 |
| Entangled Animals | |
|---|---|
| Crustaceans | |
| Species or Common Name | Spiny lobster (Panulirus versicolor) |
| Number Entangled | 2 |
| Status | injured |
| Type of Debris | Ghost Net |
| Comments | One was missing an antenna. Other was relatively unharmed. |
Additional Information
We believe that this debris was caused by entangled fishing net/nets. The rock pinnacles might have caused the net to stuck and the fishermen most probably have dropped it since there is no way to recover the net without using scuba equipment (Speculative)
Nothing.
Ghost Nets
