December/January, 2014 Issue #139
by Riley Elliott.
What sharks you may see this summer; and how to behave!
One should never be naive when entering a wild environment. We all check the weather, the tides, the boat etc but no one seems to ensure an understanding of the biological realm they are literally about to dive into!
by Pete Mesley
What is the definition of a decompression dive?
It is a dive going past the recreational no stop limits where you cannot ascend directly to the surface without the risk of getting decompression illness. Obviously the deeper you dive, the less time it takes to go into decompression. This is why advanced planning
You’re at 50 metres and you’re drunk, says John Bevan, so here’s a challenge!
How do you try to explain to divers the effects of nitrogen narcosis at different depths?
Most divers do not realize how much they are affected by nitrogen
narcosis at depth. Some divers naively claim to be completely
Also in this issue:
Wildlife Photographer of the Year A global showcase of the very best nature photography and the inspiration behind the images.
Under the Cover of Darkness Night diving New Zealand’s Poor Knights Islands and a glimpse into unseen worlds..
New Zealand's Otago Harbour A 21km long natural harbour bursting with unique marine life waiting to be explored. We found great and diverse diving!
Narcosis Challenge You're at 50 metres and you're drunk so here's a challenge!
Marine Crop Circles The deep sea mystery circle is a love story!
Summer Sharks What sharks you may see this summer and how to behave.
Great Expectations Doesn't live up to your expectations? How to make the most of your trip.
Technical Aspects of Conducting a Decompression Dive What is the definition of a Decompression dive?
Rock Lobster Fisheries New Zealand's research to enable better management of rock lobster fisheries.
Spearfishing Are you properly prepared? Good preparation gets good results!
Blackboards and Satellites Diver training then and now, how does it stack up?
Life on the Wild Side Communing with the crocs in the Okavange Delta.
Underwater Photography 101 Starting out. Practice getting close up of something mowing slowly.
ncident Insights Accident Report
Digital Imaging Choosing a Colour Space
Recipe Salmon and Prawn Teryaki with rice ribbon vegetables
Spearfishing Five reasons to attend New Zealand's Lake Taupo Catfish Cull 2014
Hook or by crook we must all play a part. Are you guilty of greed and pride?
Niue Nudibranchs to Manta Rays and everything in between
SEAFANZ Shades of Colour Photographic Competition Compact camera mix it with the big boys again! Did you feature?
this month's editorial - by dave moran
Shark Management a Joke!
... also ...
One More Scallop or Cray?
A Mickey Mouse National Plan of Action for the Conservation and Management of Sharks!
It’s been a long road and just maybe we can see a very dim light at the end of the tunnel. On 10 November the Conservation Minister Nick Smith announced details of a draft National Plan of Action for Conservation and Management of Sharks (NPOA-Sharks).
We all know that the wheels in government turn slowly, especially if you are working on issues that affect the powerful Commercial Fishing Industry lobby. I first heard about (NPOA-Sharks) in 2001 when the then Minister of Fisheries, Pete Hodgson,
replied to my letter regarding the practice of shark finning.
READ MORE & HAVE YOUR SAY
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