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https://www.rnz.co.nz/news/national/539333/mass-whale-stranding-in-golden-bay
Between 20 to 30 whales have stranded in Golden Bay, near the top of the South Island.
Project Jonah received reports of a pod of whales coming onshore about 7pm Saturday.
General manager Daren Grover said they would stay with the whales until last light.
Crews were expected to return to the beach just before 6am Sunday.
It is the third stranding in the area in the past two months.
and
https://www.whoi.edu/oceanus/feature/the-sound-of-sonar-and-the-fury-about-whale-strandings/ February 15, 2008
Eight years ago, several U.S. Navy destroyers used sonar in the Bahamas during routine training exercises. Within 36 hours, 17 animals—including 14 beaked whales, one of the world’s deepest-diving whale species—were found on three islands nearby…
…At the time, little was known about any species of beaked whales, elusive mammals named for their beaked skull. But Tyack [of Woods Hole Oceanographic Institution] knew it wasn’t the first stranding of its kind. Five similar strandings of beaked whales had coincided with naval exercises near Greece and the Canary Islands…
,,,To learn more about sonar’s impact on beaked whales, the Navy opened the doors for researchers to use its extensive Atlantic Undersea Test and Evaluation Center…
The three-year research effort, which includes $6 million in funding from the U.S. Department of Defense and the U.S. Navy, was launched in fall 2007…
“We recognize that one of our tools in use for 50 years may have detrimental effects on marine mammals under certain conditions,” said Donald Schregardus, a Deputy Assistant Secretary of the Navy. “We want to understand these effects better.”…
…“Sonar is the Navy’s eyes beneath the water,” he said. “Enemy submarines used to be easier to detect, as they used to be noisier pieces of equipment. Technology developments have changed them, making them harder to detect with acoustic devices.”
“In many parts of the world, we simply can’t move our ships without first being certain that something isn’t in the water that may harm the U.S. and our Naval forces,” he said. “When you have 5,000 people on an aircraft carrier, you have to be certain the water is clear….
Further – has our fishing around Nelson affected the whales badly?
From historical accounts gathered for Nelson history by The Prow:
the newly reclaimed land around Port Nelson was just the place to site a fish factory. New Zealand Sea Products Export Ltd was formed in 1965 and was poised to revolutionise fishing in Nelson and beyond. The Harbour Board pulled out the stops to get the reclaimed site ready for the building and even agreed to remit part of the lease until the business was established.
Noleen Burton who worked at the factory recalls: “We all stood on the wharf and watched the two big Sea Harvester trawlers, which had originated in Trondheim Norway, arrive at different times ready to begin. After the arrival of the trawlers, the whole operation began to mushroom, with jubilation at the first overseas sales. All factory staff were allocated a free half pound of fish per family member per week. Smoked fish and fishmeal production began also. The future looked rosy.” But the firm went into receivership in October 1968.
One of the trawlers was bought by the government and became the James Cook research vessel; the premises and equipment were sold to a consortium and one of the trawler skippers, Charles Hufflett, became the managing director of a new company, Sealord Products Limited. (Government of our tiny nation withdrawing from its task of managing resources for the people, and ensuring local investment and majority ownership.)…
Nelson is still the biggest seafood port in Australasia, but the growth today is towards aquaculture, particularly in the processing of farmed salmon and mussels.
https://www.theprow.org.nz/enterprise/fishing-in-nelson/
Sonar tech available:
**WASSP Multibeam Drives Furuno’s Record Revenue
Boating New Zealand https://boatingnz.co.nz
6 Oct 2024 — WASSP Multibeam sonar, created by ENL, is renowned for its advanced capabilities, allowing users to capture high-resolution 3D images of the …
**Live Sonars from Garmin | All-Seeing Sonars for Fishing https://www.garmin.com
All-seeing sonars are unlike anything you’ve ever seen on the water. It gives you the ability to see all around your boat in real-time and in 3 dimensions.
Fewer barriers needed when it comes to commercial …
Seafood New Zealand https://www.seafood.co.nz
4 May 2023 — “New Zealand is the only fishing nation where the use of enhanced trawl sonar equipment is prohibited. This is equipment that allows fishers …
**
Net sounder technology ban under review (2022)
Deepwater Group https://deepwatergroup.org
“New Zealand is the only fishing nation where the use of enhanced trawl sonar equipment is prohibited,” Irving says. “This is equipment that allows fishers to see the
JW Fishers – Sea Tech Ltd
seatech.co.nz
https://www.seatech.co.nz
JW Fishers are specialists in the design and manufacture of underwater search systems. Their product line includes hand held and boat towed metal detectors, marine magnetometers, video systems. side scan sonars, sub bottom profilers and scanning sonar. An extensive line of underwater cameras is offered that …
and
Callaghan Innovation – Advanced Sonar Technology
Science Learning Hub
https://www.sciencelearn.org.nz
9 Jun 2014 — Callaghan Innovation and ENL have collaborated together to develop an advanced sonar technology called WASSP, which is used by commercial fishing vessels
Sonar for personal use by boaties/fishermen:and small business:
https://www.sail-world.com/Australia/Lobster-fisherman-orders-fourth-WASSP-Multibeam-Sonar/-84856?source=google
Also:
https://www.envirolink.govt.nz/assets/Envirolink/1643-TSDC121-State-of-the-Bays-Tasman-and-Golden-Bay-marine-environments.pdf
https://www.nzgeo.com/stories/the-fortunes-of-fishing/ – (Tuna hunt.)
This is what whales are meeting in their environment all the time:
south island – new zealand hydrographic risk assessment
Toitū Te Whenua – Land Information New Zealand
https://www.linz.govt.nz PDF
2 Aug 2017 — A small number of inshore fishing vessels were tracked in Golden and Tasman Bays, but the majority appear to have transited directly out of …
This title is so right:
Check Out These Insane Commercial Fish Finders!
marineservices.co.nz https://marineservices.co.nz
The CHIRP sonar provides continuous frequencies that give more information than a single frequency. There are three display sizes up to 7 inches, and they all have a keyed…
https://www.youtube.com/watch?v=kkNdxJvrvUg
*Tangled Mother Humpback Whale Needs Help 4m (One piece of good news)
https://www.youtube.com/watch?v=0a8HGJid-Jo
*Mother pilot whale grieves over her dead calf – The Blue Planet II: Episode 4 preview –
https://www.youtube.com/watch?v=zCDitJa1OXY
*Orca whales and humans helping 1m
And an extra hopefully rare, incursion:
South Island West Coast Fishing
The Fishing Website
https://www.fishing.net.nz
Our first destination was the wreck of the SS Port Kembla which sunk in 1917 after hitting a mine laid by a German ship 11nm west of Farewell Spit. I decided we …
Note – Callaghan, is that the person who was Science Advisor to one of our ubiquitous PMs?
I think Whales R’Us needs to be our call-sign, as we get along in our environment, meeting difficulties that are not easy to deal with ourselves – and menaced by a callous, predatory mindset that processes mental input though a simple filter ‘Will this be profitable for me and my group of whomever’?
We have had Greenpeace trying to act for the whales, now what influential group will act with helpless, foolish humans, (as to some extent we all are), in focus and use science in a beneficial way, not to rob and destroy, or play with (as with the Greens) but to protect and enable? Octopi are quite clever and dexterous, perhaps we can learn from them! Look, learn and languish!
https://www.youtube.com/watch?v=7__r4FVj-EI
Octopus vs Underwater Maze 17m Fascinating.
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