Table 3.
Data sources, types of events and total number of records for each event for marine mammals in Indian waters compiled for a period from 1748—2017.
| Data source | Strandings | Sightings | Incidental mortalities | Induced mortalities | Total records |
|---|---|---|---|---|---|
| Publication (n = 90) and doctoral thesis (n = 1) | 225 | 70 | 139 | 6 | 440 |
| Marine Mammal Research and Conservation Network of India (MMRCNI) database | 287 | 102 | 80 | 17 | 486 |
| Sivakumar and Nair, 2013 | 108 | 461 | 19 | 34 | 622 |
| Database of the project ‘Recovery of Dugongs in India and their habitat: an integrated participatory approach’, Wildlife Institute of India | 46 | 19 | 3 | – | 68 |
| Newspaper articles reporting marine mammals | 18 | 6 | 1 | – | 47 (including 22 unknown) |