– [Narrator] Each shark that Tristan catches, is measured and tagged as a part of his long-term research to grasp the abundance and distribution of sharks within the space.
– [Tristan] And 189.
We try to be as light as we will.
We’re additionally tryna do that as rapidly as potential, in order that we will get that shark off and swimming.
– [Narrator] The digicam mount has comfortable pads on the within of the clamp, which gently maintain it in place.
Over the subsequent few days, Tristan and Grant handle to deploy 4 extra shark cameras alongside totally different sections of the reef to assist get a very good overview of the world.
– [Tristan] Good.
(water splashing) Proper I believe we’re prepared to launch.
– [Narrator] In whole, the sharks have captured nearly 25 hours of onboard footage.
Giving us a way more detailed have a look at their world than any diver might obtain.
– [Man] That is fairly cool. – [Man] Oh have a look at that.
– [Man] Barracuda. – [Man] Oh huge barracuda.
(water splashing) – [Tristan] I really like having the ability to see what they’re seeing.
– [Narrator] However what the sharks have filmed, is worrying.
There is a layer of algae protecting a lot of the reef.
An excessive amount of algae can cut back the oxygen ranges and block the daylight.
Killing the coral, which then has a destructive impact on all the things within the meals chain from RAS to reef sharks.
– There’s so much of fishermen right here, so that they might be placing a whole lot of strain on a few of these reef fishes, that may be usually consuming the algae after which sustaining the well being of the system.
You have acquired clearly air pollution as effectively, after which on high of that international warming.
– [Narrator] Overfishing, air pollution and local weather change might all contribute to this thick algae.
They’re international points and can solely get higher, if we proceed to scale back our influence on the pure world.