Nth NSW sharks. Can they p!ss off already?

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alakaboo
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Re: Nth NSW sharks. Can they p!ss off already?

Post by alakaboo » Tue Apr 24, 2018 11:03 am

Swivel can you send me some more info about the access issue?
Jansons or Coxens?
That's right in the ACS wheelhouse, I'll get the board onto it next week.

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Re: Nth NSW sharks. Can they p!ss off already?

Post by swvic » Tue Apr 24, 2018 12:02 pm

Jansons

Up until 10 - 12 years ago, you could drive through. The bridge was pretty shitty and the track wasn't that great, particularly in the wet. Heard a couple of stories about people doing the wrong thing like not closing gates and chopping up the pasture. Understandable the farmer got sick of it

New bridge went in about 6 or 7 years ago (my memory ain't anything like yours). Parks Vic were our client for the river phys chem profiles. As soon as construction started on the new bridge I asked about access and they were seemingly certain it would be reopened to the public. Why else would a bridge be publicly funded? The farmer locked the gates immediately upon bridge completion. Last time I was there was about 18 months ago and the gate was still locked
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Re: Nth NSW sharks. Can they p!ss off already?

Post by Drailed » Fri Apr 27, 2018 6:38 pm

Surfer wrestles Bull Shark onto the stones at Lennox Head.

https://m.northernstar.com.au/news/surf ... r/3397572/
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Re: Nth NSW sharks. Can they p!ss off already?

Post by steve shearer » Fri Apr 27, 2018 7:08 pm

Been quite a few bulls around. I got bumped hard down there this time last year at the Point.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by The Mighty Sunbird » Fri Apr 27, 2018 11:47 pm

Well I hope you killed the cnut with your bare hands
Erase.

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Re: Nth NSW sharks. Can they p!ss off already?

Post by Cranked » Mon Apr 30, 2018 12:08 pm

Old report, but sheeeit!
On the day two surfers were attacked by sharks around Gracetown, a shark watch helicopter crew member says he saw fifteen large sharks between North Point and Kilcarnup.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by tootr » Mon Apr 30, 2018 7:16 pm

Not much more than a year of data to draw solid conclusions, but here’s a monthly summary of GWS tags from the DPI drumlines from Lennox to Forster, Dec 2016 to March 2018.

Image
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Re: Nth NSW sharks. Can they p!ss off already?

Post by ctd » Mon Apr 30, 2018 8:28 pm

What do you make of it? Water temps, whale migration? Fish schooling (or absence)? Sure only one year but looks like a pattern

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Re: Nth NSW sharks. Can they p!ss off already?

Post by tootr » Mon Apr 30, 2018 8:38 pm

Hopefully the DPI are putting all that data together.
And will publish findings, given its taxpayer funded.
I merely input a few numbers into excel two hours per month, out of interest.

But yes lower water temps and whale season might be the biggies.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by ctd » Mon Apr 30, 2018 9:31 pm

Guess October school holidays is now low season

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Re: Nth NSW sharks. Can they p!ss off already?

Post by steve shearer » Mon Aug 06, 2018 1:56 pm

Now that are old friends are back I wonder if crowds will cool down. `can't be long until someone gets bumped or worse.

DPI Fisheries advise: tagged white shark detected by Lennox Point, Lennox Head receiver at 10:43:00 AM (AEST) on 6-Aug-2018

DPI advise 2.51m White Shark tagged and released from SMART drumline at Airforce Beach, Evans Head at 09:34 am on 6 Aug 2018.

DPI Fisheries advise: tagged white shark detected by Sharpes Beach, Ballina receiver at 07:34:00 AM (AEST) on 6-Aug-2018

DPI Fisheries advise: tagged white shark detected by Lighthouse Beach, Ballina receiver at 03:47:00 AM (AEST) on 6-Aug-2018

DPI advise 2.36 White Shark tagged and released from SMART drumline at SOUTH BALLINA, Ballina at 12:22 pm on 5 Aug 2018.

DPI aerial report: 2.5m White Shark at TYARAGAH, Byron at 10:00 am on 5 Aug 2018. No http://Swimmers.No Surfers.

DPI advise 1.96m White Shark tagged and released from SMART drumline at LIGHTHOUSE, Ballina at 03:18 pm on 4 Aug 2018.

DPI advise 2.58m White Shark tagged and released from SMART drumline at SHARPS, East Ballina at 02:25 pm on 4 Aug 2018.

DPI advise 1.91m White Shark tagged and released from SMART drumline at SHARPS, East Ballina at 09:32 am on 4 Aug 2018.

DPI advise 2.62m White Shark tagged and released from SMART drumline at Airforce Beach, Evans Head at 11:55 am on 3 Aug 2018.

DPI advise 2.11 White Shark tagged and released from SMART drumline at Main Beach, Evans Head at 11:39 am on 3 Aug 2018.

Nice little flurry of activity to set off a flat spell.
Cue scientists telling us numbers of white sharks are declining and attacks are because more people using the water.
Wonder who gave birth to all these juv/sub-adults then`? Aliens?

This one over 10ft.

Submarine.

DPI advise 3.24m White Shark tagged and released from SMART drumline at SOUTH BALLINA, Ballina at 10:42 am on 31 Jul 2018.

Mid morning. Feet up ladies and gents.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by Nick Carroll » Mon Aug 06, 2018 3:26 pm

Well a community survey by the DPI just let out to "stakeholders" reckons support for shark nets in the area has collapsed in the past year -- except among surfers.

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Re: Nth NSW sharks. Can they p!ss off already?

Post by Nick Carroll » Mon Aug 06, 2018 3:33 pm

What looks interesting in their stats is the fact that in the first net trial they got nine "target" sharks and in the second they got two.

Do sharks alter behaviour as a result of the presence of nets? Do they alter behaviour as a result of drumline tag and release? Are people's view of shark nets affected by the number (or lack) of attacks? Do people change behaviour as a result of attacks and word-of-mouth on shark activity?

Plenty of sharks being tagged and released elsewhere too. A large white shark attacked and killed a seal within 50m of a group of surfers at Queenscliff in June. My training crew saw at least two large white sharks surface cruising during their Molokai training back around that time. You NEVER saw white sharks in that close in years past. Outside yeah but not within cooee of headlands.

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Re: Nth NSW sharks. Can they p!ss off already?

Post by alakaboo » Mon Aug 06, 2018 3:37 pm

What about support for the smart drumlines?

I reckon the whale population is in overshoot so that's why we are seeing the dying whales in decent numbers, and lots of shark food.
Wouldn't be surprised to find they're maturing earlier and having larger litters.
Some pretty small changes to those factors could lead to a massive increase in population growth rates.

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Re: Nth NSW sharks. Can they p!ss off already?

Post by steve shearer » Mon Aug 06, 2018 3:58 pm

Nick support for nets has collapsed amongst surfers here as well.

Support for smart drumlines has increased....even the most doctrinaire greenie seems to accept it now.

As for your other questions NC.......

1. Can't seem to find any data or even expert opinion on that.......but dolphins seem to get caught in the nets and they are much more intelligent than sharks.
I think the lack of target sharks is more of a seasonal factor. ie, there are less white sharks (and bull sharks) here in summer. More tigers but they seem to stay deep.

2. They seem to, at least in the short term. There have been sharks tagged and released then recaptured so any effect might be short lived or not statistically significant. Too early to tell.

3. No. They are affected primarily by the reporting of the by catch.

4. Yes. An attack or cluster of attacks or even bumpings, circling or other encounters will see certain spots around Ballina and most open beaches become deserted. Crowds will cluster.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by steve shearer » Mon Aug 06, 2018 4:01 pm

Nick Carroll wrote:
Mon Aug 06, 2018 3:33 pm

Plenty of sharks being tagged and released elsewhere too.
Nowhere near the scale as in N.NSW though.

Go look at the last 2 weeks worth of activity on shark smart.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by tootr » Mon Aug 06, 2018 4:55 pm

Just about all the bouys from Hawkes Nest to Byron are getting pinged a lot more often last month or so.
It’s a head scratcher that if they wanted to gain more tag data, they’re have drumlines back in at Forster, Port and Coffs etc. but they don’t.
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Re: Nth NSW sharks. Can they p!ss off already?

Post by alakaboo » Mon Aug 06, 2018 5:10 pm

Contractor and funding issues, presumably.

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