TABLE 4.
Comparison between elog records (visual identifications) and genetic identifications of bycatch samples in the Eastern Tuna and Billfish Fishery between 2019 and 2022 (n = 56) and Southern and Eastern Scalefish and Shark Fishery (SESSF) Gillnet Hook and Trap Sector (GHAT) in 2022 (n = 3) (visual observation data provided by AFMA, extracted from e‐logbooks).
| Date of Interaction(mm/yyyy) | Number of bycatch samples | Identification of bycatch specimen(s) | Resolution of identification | Agreement between elog and genetic ID | ||||
|---|---|---|---|---|---|---|---|---|
| elog record (AFMA) | Genetics (this study) | elog | Genetics | Family level | Genus level | Species level | ||
| 02/2019 09/21 & 10/2022 | 18 | Ardenna spp.—undifferentiated | Ardenna carneipes | Genus | Species | Y | Y | n/a |
| 04/2019 & 11/2019 | 2 | Diomedeidae—undifferentiated | Thalassarche steadi a | Family | Species | Y | n/a | n/a |
| 05/2019 | 1 | Diomedea exulans | Thalassarche steadi a | Species | Species | Y | N | N |
| 09/2019 & 10/2021 | 2 | Diomedeidae—undifferentiated | Thalassarche bulleri | Family | Species | Y | n/a | n/a |
| 10/2019 and 10/2022 | 17 | Diomedeidae—undifferentiated | Diomedea antipodensis | Family | Species | Y | n/a | n/a |
| 10/2019 | 1 | Ardenna tenuirostris | Ardenna carneipes | Species | Species | Y | Y | N |
| 03/2020 | 1 | Thalassarche melanophris | Thalassarche steadi a | Species | Species | Y | Y | N |
| 06/2020 and 04/2022 | 2 | Thalassarche cauta | Thalassarche steadi a | Species | Species | Y | Y | N |
| 10/2020 | 1 | Laridae (tern) | Sterna sp. | Family | Genus | Y | n/a | n/a |
| 06/2021 | 1 | Diomedeidae—undifferentiated | Thalassarche impavida | Family | Species | Y | n/a | n/a |
| 09/2021 | 3 | no AFMA record | Ardenna carneipes | n/a | Species | n/a | n/a | n/a |
| 10/2022 | 1 | Diomedeidae—undifferentiated | Diomedea exulans | Family | Species | Y | n/a | n/a |
| 10/2022 | 2 | Ardenna carneipes | Ardenna carneipes | Species | Species | Y | Y | Y |
| 10/2022 | 3 | Procellariidae—undifferentiated | Ardenna carneipes | Family | Species | Y | n/a | n/a |
| 03/2022 | 1 | Diomedea exulans | Diomedea antipodensis | Species | Species | Y | Y | N |
| 12/2022 (SESSF) | 3 | Ardenna tenuirostris | Procellaria aequinoctialis | Species | Species | Y | N | N |
a
Discrimination between Thalassarche cauta and T. steadi based on genetic methods has 97% accuracy (Abbott et al. 2006).