Overfishing and climate change impacts on New Zealand's fish populations were hidden—until now
New Zealand fishing boat. Credit: QFSE Media, Wikimedia Commons /Phys.org
(NEW ZEALAND, 9/25/2023)
Pelagic-oceanic fish commonly caught in warmer waters, such as skipjack tuna and blue mackerel, have been increasing in New Zealand's waters since the 1950s, while cold-water species such as southern bluefin tuna display strong reductions in overall catch from the 1970s onwards, new research has found.
Fisheries catch data were extracted for the New Zealand Exclusive Economic Zone (EEZ, black line). Also shown is the 12 nautical mile Territorial Sea border (red), as well as depth (m). Map source credit: GADM.
In a paper published in the journal PeerJ, an international team of researchers sh...
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