Commercial Fishing in New Zealand

By Kea, Jess and Courtney

Different methods

What is Bottom Trawling?

• http://youtu.be/BnmGbDN278Y

Run along the sea floor to capturelarge amounts of marine life.

The nets are about 50 metres wide, that’s half an acre!

The net catches all sorts of creatures, from crabs to dolphins and very rare corals.

Pros•Efficiency-Bottom trawling provides an effective and efficient way to fish fast and catch some ground fish that are usually inaccessible.

•When fishing leads to more fish?-"Fish persist at trawling intensitieswhere they would have gone extinct otherwise."

Cons•High levels of discards•Damage to seabed•Negative effect on tourism

Bottom trawling of NZ

• Orange roughy and Hoki are trawled in NZ waters - These include some of NZ’s biggest exports.

• Marine mammals are starving in New Zealand coastal waters - In particular, the sperm whale and endangered sea lions.

Who is AGAINST Bottom Trawling

and Why?

Who is FOR Bottom Trawling and Why?

• Fishing orientated countries• Commercial fishing companies

E.g. Iceland

What can New Zealand as a

community do to make a

difference?

ORANGE ROUGHY

DONATE!CHANGE THE FISH YOU BUY!

SPREAD THE

WORD!

What do you think?

Bibliograph

y

• Prager, H. (1993). Global Marine Environment: Does the water planet have a future?. Maryland, USA. University Press of America.

• http://www.worldfishing.net/news101/fish-catching/trawling/eco-friendly-alternative-to-bottom-trawling-for-india

• http://www.fish.govt.nz/NR/rdonlyres/73B2D03C-B24A-4647-A97A-3044391C0A5B/0/commercial_and_rec_other_rock_lobster_potting.pdf

• Stiles, L. Stockbridge, J. Lande, M. Hirshfield, M. (2010). Impact of Bottom Trawling on Fisheries, Tourism, and the Marine Environment. Retrieved from http://oceana.org/sites/default/files/Trawling_BZ_10may10_toAudrey.pdf

• Ministry of Primary Industries. (n.d.) New Zealand Fisheries at a Glance. Retrieved from http://www.fish.govt.nz/en-nz/Fisheries+at+a+glance/default.htm