Diving for Endangered Sea Turtles in Australia | Out There With Jack Randall

published on July 3, 2020

I'm working with a research team off the

coast of Australia catching endangered

green turtles so we can learn if they're

adapting to the changing ocean

conditions go on the turtles are a

perfect barometer to measure of a

general health of the reef in this area

ready but so far I haven't been able to

catch one go

got it by the pine pepper I thought you

had it quite water here straight in but

I'm wearing I thought they called it I

don't want to hit my head I was barely

able to grab the hind flipper but then

it slipped right through my fingers

feels really strange to do it but you've

actually got to dive in front of the

turtle and then it'll swim into your

hands all right let's try again then

another one massive actually is hard to

catch see so they're going super quick

when it gets to the point where he's

slowed each I'm gonna go jump to the

right ready

third time's a charm

but not quite it's mr just got the ads

it's very slippery you want to take your

Bobby doing this day in day out is big

work but awesome stuff Oh minimus to

trick there we go

I had a hand on my turtle but didn't

manage to get it next time I'm pretty

sure I'm gonna get that set of our water

it's hard really hard

my back is earth day I need a massage we

got that massage or something yeah yeah

yeah they come as part of the eternal

research to

once this new turtle is unloaded

measured and released een and i warper

shallows so he can show me how the

struggling reef is also affecting the

turtles primary food source see this is

what the turtles are feeding on of you

this is the sea grass right here yeah

you see how straight it is on the top

there they might have been sniped by a

turtle as it says it's gone through Wow

whereas the dugongs here they'll shuffle

along and actually dig up all the roots

and to grow as large as the tails we've

been seeing we have to eat a lot of that

sea grass it's just like a cow they've

got a you know they spend all day

basically eating during that during the

daylight hours but a cyclone came

through and it basically took out 98% of

the sea grass from Cooktown to the tip

of Cape York a healthy reef would

protect the sea grass from all about

destruction how did that affect the

turtles one year we had 1800 starving

Turtles wash ashore just because of the

loss of seagrass Wow what we found was

that the little turtles without much fat

reserves were the ones that starved

first and ended up washing ashore and

then after about a year we were starting

to see some really really really skinny

adults and they were starting to strand

come ashore so it's really the young

ones the next generation that is the big

issue yep Wow

so if a reef is dying and the seagrass

has been destroyed it will definitely

affect younger turtles first we need to

find out if they're adapting

twice a day the tide goes up and down up

and down so right now this is low tide

this lets us see a whole new variety of

sea creatures on the reef flat including

the younger sea turtles who leave their

shelter and come out to look for food

when the waters too shallow for

predators now the idea here is that we

form a human chain any turtle that comes

along we need to jump on it quickly it's

much harder that's it because we haven't

got the speed that we have in the speed

boat there's one there Joe jerk jerk I'm

on it

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look at that that's a little baby green

so first one these things may be free to

water quickly just glide through

seamlessly Wow look at you

it's all been caught before you could

see there's a new tag there and it's got

a little bit of pink paint on its shell

because it's been captured already we're

gonna release him but where I found him

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