Publications
Browse or search these reports, presentations and journal articles by Dragonfly staff and collaborators.
Richard, Y., & Berkenbusch, K. (2024). Sightings of marine mammals in New Zealand waters by government fisheries observers. (Technical report prepared for Department of Conservation (Project INT2022-06)). Retrieved from https://www.doc.govt.nz/globalassets/documents/conservation/marine-and-coastal/marine-conservation-services/reports/202223-annual-plan/int2022-06_marine-mammals-sightings-final-report.pdf
Sightings of marine mammals in New Zealand waters by government fisheries observers
Richard, Y., & Berkenbusch, K. (2024). Sightings of marine mammals in New Zealand waters by government fisheries observers. (Technical report prepared for Department of Conservation (Project INT2022-06)). Retrieved from https://www.doc.govt.nz/globalassets/documents/conservation/marine-and-coastal/marine-conservation-services/reports/202223-annual-plan/int2022-06_marine-mammals-sightings-final-report.pdf
Abraham, E. R., Tremblay-Boyer, L., & Berkenbusch, K. (2021). Estimated captures of New Zealand fur seal, common dolphin, and turtles in New Zealand commercial fisheries, to 2017–18. New Zealand Aquatic Environment and Biodiversity Report No. 258. 94 p.
Estimated captures of New Zealand fur seal, common dolphin, and turtles in New Zealand commercial fisheries, to 2017–18
Abraham, E. R., Tremblay-Boyer, L., & Berkenbusch, K. (2021). Estimated captures of New Zealand fur seal, common dolphin, and turtles in New Zealand commercial fisheries, to 2017–18. New Zealand Aquatic Environment and Biodiversity Report No. 258. 94 p.
Abraham, E. R., & Berkenbusch, K. (2017). Estimated captures of New Zealand fur seal, New Zealand sea lion, common dolphin and turtles in New Zealand commercial fisheries, 1995–96 to 2014–15. New Zealand Aquatic Environment and Biodiversity Report No. 188. 66 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=24557
Estimated captures of New Zealand fur seal, New Zealand sea lion, common dolphin and turtles in New Zealand commercial fisheries, 1995–96 to 2014–15
Abraham, E. R., & Berkenbusch, K. (2017). Estimated captures of New Zealand fur seal, New Zealand sea lion, common dolphin and turtles in New Zealand commercial fisheries, 1995–96 to 2014–15. New Zealand Aquatic Environment and Biodiversity Report No. 188. 66 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=24557
Abraham, E. R., Neubauer, P., Berkenbusch, K., & Richard, Y. (2017). Assessment of the risk to New Zealand marine mammals from commercial fisheries. New Zealand Aquatic Environment and Biodiversity Report No. 189. 123 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=24554
Assessment of the risk to New Zealand marine mammals from commercial fisheries
Abraham, E. R., Neubauer, P., Berkenbusch, K., & Richard, Y. (2017). Assessment of the risk to New Zealand marine mammals from commercial fisheries. New Zealand Aquatic Environment and Biodiversity Report No. 189. 123 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=24554
Abraham, E. R., Richard, Y., Berkenbusch, K., & Thompson, F. (2016). Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 2002–03 to 2012–13. New Zealand Aquatic Environment and Biodiversity Report No. 169. 205 p. Retrieved from http://mpi.govt.nz/document-vault/12180
Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 2002–03 to 2012–13
Abraham, E. R., Richard, Y., Berkenbusch, K., & Thompson, F. (2016). Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 2002–03 to 2012–13. New Zealand Aquatic Environment and Biodiversity Report No. 169. 205 p. Retrieved from http://mpi.govt.nz/document-vault/12180
Thompson, F. N., Berkenbusch, K., & Abraham, E. R. (2016). Incidental capture of marine mammals in New Zealand trawl fisheries, 1995–96 to 2011–12. New Zealand Aquatic Environment and Biodiversity Report No. 167. 82 p. Retrieved from http://mpi.govt.nz/document-vault/11947
Incidental capture of marine mammals in New Zealand trawl fisheries, 1995–96 to 2011–12
Thompson, F. N., Berkenbusch, K., & Abraham, E. R. (2016). Incidental capture of marine mammals in New Zealand trawl fisheries, 1995–96 to 2011–12. New Zealand Aquatic Environment and Biodiversity Report No. 167. 82 p. Retrieved from http://mpi.govt.nz/document-vault/11947
Thompson, F. N., Berkenbusch, K., & Beritzhoff-Law, M. (2015). Reported New Zealand sea lion (Phocarctos hookeri) captures in commercial trawl fisheries, 1991–92 to 2012–13. New Zealand Aquatic Environment and Biodiversity Report No. 145. 43 p. Retrieved from https://www.mpi.govt.nz/document-vault/7974
Reported New Zealand sea lion (Phocarctos hookeri) captures in commercial trawl fisheries, 1991–92 to 2012–13
Thompson, F. N., Berkenbusch, K., & Beritzhoff-Law, M. (2015). Reported New Zealand sea lion (Phocarctos hookeri) captures in commercial trawl fisheries, 1991–92 to 2012–13. New Zealand Aquatic Environment and Biodiversity Report No. 145. 43 p. Retrieved from https://www.mpi.govt.nz/document-vault/7974
Berkenbusch, K., Abraham, E. R., & Torres, L. G. (2013). New Zealand marine mammals and commercial fisheries. New Zealand Aquatic Environment and Biodiversity Report No. 119. 104 p.
New Zealand marine mammals and commercial fisheries
Berkenbusch, K., Abraham, E. R., & Torres, L. G. (2013). New Zealand marine mammals and commercial fisheries. New Zealand Aquatic Environment and Biodiversity Report No. 119. 104 p.
Thompson, F. N., Abraham, E. R., & Berkenbusch, K. (2013). Common dolphin (Delphinus delphis) bycatch in New Zealand commercial trawl fisheries. PLoS ONE, 8, e64438. doi:10.1371/journal.pone.0064438
Common dolphin (Delphinus delphis) bycatch in New Zealand commercial trawl fisheries
Thompson, F. N., Abraham, E. R., & Berkenbusch, K. (2013). Common dolphin (Delphinus delphis) bycatch in New Zealand commercial trawl fisheries. PLoS ONE, 8, e64438. doi:10.1371/journal.pone.0064438
Thompson, F. N., Berkenbusch, K., & Abraham, E. R. (2013). Marine mammal bycatch in New Zealand trawl fisheries, 1995–96 to 2010–11. New Zealand Aquatic Environment and Biodiversity Report No. 105. 73 p. Retrieved from https://www.mpi.govt.nz/document-vault/4241
Marine mammal bycatch in New Zealand trawl fisheries, 1995–96 to 2010–11
Thompson, F. N., Berkenbusch, K., & Abraham, E. R. (2013). Marine mammal bycatch in New Zealand trawl fisheries, 1995–96 to 2010–11. New Zealand Aquatic Environment and Biodiversity Report No. 105. 73 p. Retrieved from https://www.mpi.govt.nz/document-vault/4241
Abraham, E. R., & Thompson, F. N. (2011). Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 1998–99 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 80. 155 p.
Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 1998–99 to 2008–09
Abraham, E. R., & Thompson, F. N. (2011). Summary of the capture of seabirds, marine mammals, and turtles in New Zealand commercial fisheries, 1998–99 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 80. 155 p.
Thompson, F. N., & Abraham, E. R. (2011). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 66. 25 p. Retrieved from http://fs.fish.govt.nz/Doc/22903/AEBR_66.pdf.ashx
Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2008–09
Thompson, F. N., & Abraham, E. R. (2011). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 66. 25 p. Retrieved from http://fs.fish.govt.nz/Doc/22903/AEBR_66.pdf.ashx
Abraham, E. R., Thompson, F. N., & Oliver, M. D. (2010). Summary of the capture of seabirds, marine mammals and turtles in New Zealand commercial fisheries, 1998–99 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 45. 148 p.
Summary of the capture of seabirds, marine mammals and turtles in New Zealand commercial fisheries, 1998–99 to 2007–08
Abraham, E. R., Thompson, F. N., & Oliver, M. D. (2010). Summary of the capture of seabirds, marine mammals and turtles in New Zealand commercial fisheries, 1998–99 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 45. 148 p.
Thompson, F. N., & Abraham, E. R. (2010). Estimation of fur seal (Arctocephalus forsteri) bycatch in New Zealand trawl fisheries, 2002–03 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 61. 37 p. Retrieved from http://fs.fish.govt.nz/Doc/22390/AEBR_61.pdf.ashx
Estimation of fur seal (Arctocephalus forsteri) bycatch in New Zealand trawl fisheries, 2002–03 to 2008–09
Thompson, F. N., & Abraham, E. R. (2010). Estimation of fur seal (Arctocephalus forsteri) bycatch in New Zealand trawl fisheries, 2002–03 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 61. 37 p. Retrieved from http://fs.fish.govt.nz/Doc/22390/AEBR_61.pdf.ashx
Thompson, F. N., Abraham, E. R., & Berkenbusch, K. (2010). Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 63. 20 p.
Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2008–09.
Thompson, F. N., Abraham, E. R., & Berkenbusch, K. (2010). Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2008–09. New Zealand Aquatic Environment and Biodiversity Report No. 63. 20 p.
Thompson, F. N., Abraham, E. R., & Oliver, M. D. (2010). Estimation of fur seal bycatch in New Zealand trawl fisheries, 2002–03 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 56. 29 p. Retrieved from http://fs.fish.govt.nz/Doc/22314/AEBR_56%20Fur%20lion%20estimation%200708.pdf.ashx
Estimation of fur seal bycatch in New Zealand trawl fisheries, 2002–03 to 2007–08
Thompson, F. N., Abraham, E. R., & Oliver, M. D. (2010). Estimation of fur seal bycatch in New Zealand trawl fisheries, 2002–03 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 56. 29 p. Retrieved from http://fs.fish.govt.nz/Doc/22314/AEBR_56%20Fur%20lion%20estimation%200708.pdf.ashx
Thompson, F. N., Oliver, M. D., & Abraham, E. R. (2010). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 52. 25 p. Retrieved from http://fs.fish.govt.nz/Doc/22271/AEBR_52.pdf.ashx
Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2007–08
Thompson, F. N., Oliver, M. D., & Abraham, E. R. (2010). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 52. 25 p. Retrieved from http://fs.fish.govt.nz/Doc/22271/AEBR_52.pdf.ashx
Abraham, E. R., & Thompson, F. N. (2009). Capture of protected species in New Zealand trawl and longline fisheries, 1998–99 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 32. 197 p.
Capture of protected species in New Zealand trawl and longline fisheries, 1998–99 to 2006–07
Abraham, E. R., & Thompson, F. N. (2009). Capture of protected species in New Zealand trawl and longline fisheries, 1998–99 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 32. 197 p.
Thompson, F. N., & Abraham, E. R. (2009). Dolphin bycatch in New Zealand trawl fisheries, 1995–96 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 36. 24 p. Retrieved from http://fs.fish.govt.nz/Doc/22002/AEBR_36.pdf.ashx
Dolphin bycatch in New Zealand trawl fisheries, 1995–96 to 2006–07
Thompson, F. N., & Abraham, E. R. (2009). Dolphin bycatch in New Zealand trawl fisheries, 1995–96 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 36. 24 p. Retrieved from http://fs.fish.govt.nz/Doc/22002/AEBR_36.pdf.ashx
Thompson, F. N., & Abraham, E. R. (2009). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 41. 31 p. Retrieved from http://fs.fish.govt.nz/Doc/22073/AEBR_41.pdf.ashx
Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2006–07
Thompson, F. N., & Abraham, E. R. (2009). Estimation of the capture of New Zealand sea lions (Phocarctos hookeri) in trawl fisheries, from 1995–96 to 2006–07. New Zealand Aquatic Environment and Biodiversity Report No. 41. 31 p. Retrieved from http://fs.fish.govt.nz/Doc/22073/AEBR_41.pdf.ashx
Thompson, F. N., & Abraham, E. R. (2009). Six monthly summary of the capture of protected species in New Zealand commercial fisheries, summer 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 35. 24 p. Retrieved from http://fs.fish.govt.nz/Doc/22001/AEBR_35.pdf.ashx
Six monthly summary of the capture of protected species in New Zealand commercial fisheries, summer 2007–08
Thompson, F. N., & Abraham, E. R. (2009). Six monthly summary of the capture of protected species in New Zealand commercial fisheries, summer 2007–08. New Zealand Aquatic Environment and Biodiversity Report No. 35. 24 p. Retrieved from http://fs.fish.govt.nz/Doc/22001/AEBR_35.pdf.ashx
Thompson, F. N., Abraham, E. R., & Oliver, M. D. (2009). Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2007–08. Final Research Report for research project PRO2007/02. (Unpublished report held by Ministry of Fisheries, Wellington). Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=22905
Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2007–08
Thompson, F. N., Abraham, E. R., & Oliver, M. D. (2009). Common dolphin (Delphinus delphis) bycatch in New Zealand mackerel trawl fisheries, 1995–96 to 2007–08. Final Research Report for research project PRO2007/02. (Unpublished report held by Ministry of Fisheries, Wellington). Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=22905
Abraham, E. R. (2008). Evaluating methods for estimating the incidental capture of New Zealand sealions. New Zealand Aquatic Environment and Biodiversity Report No. 15. 25 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=21571
Evaluating methods for estimating the incidental capture of New Zealand sealions
Abraham, E. R. (2008). Evaluating methods for estimating the incidental capture of New Zealand sealions. New Zealand Aquatic Environment and Biodiversity Report No. 15. 25 p. Retrieved from http://fs.fish.govt.nz/Page.aspx?pk=113&dk=21571