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erice

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Posts posted by erice

    albatross surveillance birds

    in MarineTalk

    Posted

    very cool

     

    New Scientist reported this week that birds carrying radar sensors have been used in the Indian Ocean to spy on fishing boats, with more than a quarter of vessels there found to be operating illegally.

    The sensors (strapped) detect radar signals from fishing ships, and then log them against location and time data. That data is then cross-checked against AIS (Automatic Identification System) records.

    AIS data effectively declares where a ship is at all times, and illegal fishers often turn their AIS system off to avoid detection - if an AIS record isn't available for a radar detection, there's a good chance the fishermen were operating illegally, New Scientist wrote.

    Albatrosses make excellent fishery spies, because they naturally gravitate towards fishing vessels for a chance at an easy meal, and can traverse long distances at sea.

    https://www.tvnz.co.nz/one-news/new-zealand/new-zealand-using-its-own-fleet-albatross-spies-look-illegal-fishing

     

    5sqnNZcrest.jpg

    • Upvote 4

    looked like a cruise ship off matiatia bay waiheke today

    in MarineTalk

    Posted

    interesting

     

    Auckland Mayor Phil Goff has labelled Fullers' ferry cancellations "unacceptable" after "cruise ship traffic" at Princes Wharf on Tuesday saw several services called off, leading to outrage among delayed commuters.

     

    Auckland Transport (AT) spokesperson Mark Hannan confirmed that Fullers cancelled the 6:45am Auckland to Devonport service, the 7am Devonport to Auckland service and the 7:30am Waiheke to Auckland service due to "cruise ship traffic".

     

    Moving forward, the group will investigate whether the current cruise liner berthing restriction from 7:30am to 9am on weekdays should be extended, meaning cruise ships are prohibited from berthing in the city during peak commuting hours.

     

    https://www.newshub.co.nz/home/new-zealand/2020/01/phil-goff-addresses-unacceptable-ferry-cancellations-delays-due-to-cruise-ships-in-auckland.html

    Distress call off BoP coast

    in MarineTalk

    Posted

    Two people had to be rescued from their yacht in the early hours of yesterday - the second time the pair needed help this week.

    A Coastguard spokesman said they received a distress call about 12.40am from the same vessel it had received two mayday calls from about 8pm on Sunday.

    There had been an issue with anchoring the vessel that night and a search and rescue mission, involving a P3 Orion aircraft from Auckland, was launched.

    The H28 blue yacht was later found in Ōmāio Bay after a member of the public spotted it and called a local radio station, which had been running a news report about the search.

     

    Yesterday's mayday call was to report that the anchor had been lost completely and that the vessel was now hitting rocks at Ōmāio Bay in the Bay of Plenty.

     

    https://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=12298751

    Searching for METRO

    in MarineTalk

    Posted

    this is the feedback page for rudolfshack

     

    maybe the 'f' or 'space' was the issue?

     

    https://www.trademe.co.nz/Members/Listings.aspx?member=2328299

     

    he hasn't done tooooo bad

     

    happy_face1.gif 87 positive feedbacks. 86 are from individual members, and count towards the final rating

    neutral_face1.gif 2 neutral feedbacks.

    sad_face1.gif 4 negative feedbacks. 4 are from individual members, and count towards the final rating.

     

    a better proof of a pattern of deception would be if he has alternate names he cycles through on tm 

     

    if someone has saved a tm pic with the sellers name on it we can try to see link this seller to other sellers?

    Blustery SW wind pattern

    in MarineTalk

    Posted

    130kph gusts from sunday afternoon

     

    https://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=12298006

     

    which will upset serena playing at the asb classic in auckland next week

     

    she hasn't been since 2017 when she came 2nd and blamed auckland's gusty winds

     

    https://www.delawareonline.com/story/sports/2017/01/04/dover-native-brengle-ousts-serena-williams-asb-classic/96146968/

     

    at least it hasn't rained this year

     

    sometimes campers get flooded out over new year

    complicated downwind sails...what the hell is this?

    in MarineTalk

    Posted

    ok it's a parasailor 

     

    The Parasailor and Parasail are patented and trademarked variants of a spinnaker sail for yachts. They were designed especially for cruising couples and short-handed crews, are easy to handle and well tempered.[1] These sails make it possible to use one sail as spinnaker and gennaker while providing improved performance. It can be used between 70 and 180 degrees to the wind. Relieving the pressure on the bow and the stabilising effect of the Parasailor and Parasail improve the effect of the rudder and decrease the rudderthrows needed.[2]

    The Parasailor has a double-layer wing which inflates as the wind fills the sail. This acts like a soft batten, holding the sail out and actively re-opening the collapsed leech. The wing generates lift that raises the bow of the boat, and also ensures that there is no loss of propulsion. Thanks to this lift, any yawing by the boat is prevented, making a much more comfortable ride. Even if the Parasailor has collapsed after a sudden strong wind shift, the spreading movement of the wing supports the re-opening once the wind has shifted back again.[3]

     

    https://duckduckgo.com/?q=parasailor+spinnaker&atb=v177-1&iax=images&ia=images

    Clams

    in MarineTalk

    Posted

    from that littleneck page

     

    There is an on-going traditional customary and recreational harvest throughout New Zealand. In the past twenty years there has been a growing commercial harvest of littleneck clams, the main sites being located on Snake Bank in the Whangarei Harbour, etc etc

     

    Snake Bank is not the only cockle bed in Whangarei Harbour, but it is the only bed open for commercial fishing. The others are on the mainland, notably Marsden Bay, and other sandbanks,

     

    pic of snake bank

     

    https://photosnz.co.nz/shop/snake-bank-shellfish-beds/

     

    edit

     

    Okoromai Bay in Shakespear Regional Park

     

    cockles-8060072-2.jpg

     

    https://www.albomadventures.com/collecting-cockles/

    Clams

    in MarineTalk

    Posted

    "clams" seems to mean almost any shellfish to most americans

     

    in much the same way "shrimp" seems to = shrimp, prawn, scampy, crayfish, lobster

     

    i guess you mean the white cockles? sometimes seen in red mesh bags next to the mussels at countdown etc

     

    mussels + oysters are farmed, so are available year-round

     

    but pipis, tuatua, cockles, bluff oysters, scallops, paua, geoducks? don't seem to be farmed 

     

    https://en.wikipedia.org/wiki/Aquaculture_in_New_Zealand

     

    edit

     

    these cockles = little neck clams, look like the ones have seen at supermarkets

     

    http://nzclams.com/

     

    harvested from the beaches of otago

     

    probably only seasonal 

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