Climate Change and The Cutthroat Trout

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THE SCENERY IS BREATHTAKING. ♪♪ ♪♪ ♪♪ >> RUSHING RIVERS. PICTURESQUE FERRIES. MANY PARTS OF WESTERN MONTANA LOOK UNTOUCHED BY MAN. IT'S SMALL TOWN AMERICA. EVERYONE KNOWS YOUR NAME. PEOPLE COME FROM AROUND THE WORLD TO FISH THE BLACKFOOT RIVER AND OTHER WATERS. FTC NORMAN McLANE MADE THERE BLACKFOOT FAMOUS IN "A RIVER RUNS THROUGH IT." , ARE CONCERNED ABOUT CLIMBED CHANGE AND OTHER HUMAN INFLUENCES, IN THIS, WILD COUNTRY, IT MAY BE THAT SCIENCE NEEDS TO SAVE THE DAY. GLOBAL WARMING IS PUTTING THE STATE FISH, THE WEST SLOPE CUTTHROAT TROUT, IN DANGER. >> ALL RIGHT, WE'RE GOING TO NEED THE FISHER AND ALL THE PIT-TAGGING EQUIPMENT. >> CLINT MOFELT MONITORS THE RIVERS FOR THE U.

S. GEOLOGICAL SURVEY. THEY'RE LOOKING FOR SOLUTIONS. >> THIS AREA'S ACTUALLY WARMING AT TWO TO THREE TIMES THE GLOBAL AVERAGE. THE WORST CARES SCENARIO WOULD BE THAT THE RIVERS, DRY UP, WARM UP TOO MUCH TO THE POINT WHERE TROUT CAN'T INHABIT THESE WATERS ANYMORE. NOTHING LIKE SAMPLING TROUT IN MONTANA. >> MOSEL AND HIS TEAMWORK THE GLACIER NATIONALITY PARK. >> THIS IS CLIMATE POSTER CHILD OF NORTH AMERICA. AS TEMPERATURE STARTS WARMING, WE ACTUALLY SEE FISH MOVING UP THE MOUNTAIN SIDES. >> THAT MEANS THE TROUT MIGRATE TO COOLER WATERS. >> THIS SHOULD BE A GOOD DAY. WE GO INTO SMALL STREAMS AND WE USE A BACK TACK ELECTROFISHER. THERE'S ONE RIGHT THERE , CUTTHROAT. CHAKA KAHN WE'RE ON. >> WHAT ARE WE DOING? >> FISHING SOME NATIVE CUTTHROAT TROUT. >> WHAT'S THE PROBLEM HERE? >> WARMING TEMPERATURES ARE ACTUALLY CAUSING THE FISH TO COME OFF SOONER. >> THESE FISH LIKE IT COLD. >> THEY LIKE IT COLD. SOONER OR LATER, THERE'S GOING TO BE NOWHERE ELSE TO GO.

YEP, THERE'S ONE, LITTLE CUTTHROAT. >> HOW IMPORTANT IS THE FISH IN THESE STREAMS TO MONTANA? >> THESE STREAMS ARE ACTUALLY THE LIFE BLOOD TO MONTANA. THEY PROVIDE NURSERY AREAS FOR OUR NATIVE FISH. >> AFTER CAPTURING NUMEROUS FISH, THE TEAM SETS UP A TRIAGE ON THE SIDE OF THE STREAM. >> WE TAKE CRITICAL MEASUREMENTS SUCH AS LENGTH AND WEIGHT. ITS LENGTH IS 92 MILLIMETERS. AND ITS WEIGHT IS JUST A MERE TIM FIVE GRAMS. >> HOW DO YOU KNOW IT'S A CUTTHROAT TROUT? >> IF IT LAST A VIBRANT RED OR ORANGE STRIPE UNDER THE BRIMMING. WE TAKE A GENETIC TAG, UNDER THEIR BODY AND THAT ALLOWS US TO TRACK INDIVIDUAL MOVEMENTS. >> THEY STRATEGICALLY L TAG. MOFELD SAYS THERE ARE SOLUTIONS. >> STOCKING FISH IN THE RIVERS, CREATING HABITAT, PROVIDING STREAMS AND LAKES FOR THEM OMOVE AROUND IN AND ALSO DEVELOPING CONSERVATION PLANS THAT LOOK OUT OVER LONGER PERIODS. >> WARMER TEMPERATURES ARE AFFECTING EVERYTHING ACROSS THE REGION.

THE ECONOMY AND THE PEOPLE. 71-YEAR-OLD PAUL RUSE HAS BEEN FISHING THE BLACKFOOT RIVER FOR 65 YEARS. >> I HAVE A PASSION FOR THIS RIVER THAT I THINK WAS EARNED HONESTLY. >> CAN YOU TELL ME A FOND MEMORY OF BEING OUT HERE WITH YOUR FATHER? >> I WAS WITH MY FATHER WHEN I CAUGHT MY FIRST FISH. I WAS WITH HIM WHEN HE CAUGHT HIS LAST. >> WHEN THE RIVER REACHED 73° FOR THREE CONSECUTIVE DAYS, THE STATE COVERS THE AREA BECAUSE IT PUTS TOO MUCH STRESS ON THE FISH. >> WITH NOBODY COMING TO FISH IN JULY AND AUGUST AND SEPTEMBER, YOU NOTICE IT. IT IS IMPORTANT TO CONTRIBUTE TO SOMETHING THAT IS GOING TO LAST AFTER I'M GONE. PRETEND LIKE YOU HAVE A PAINTBRUSH IN YOUR HAND, AND THEN, AS SOON AS THE LINE STRAIGHTENS IT'S GOING TO DROP AND YOU JUST DROP THE ROD WITH IT. >> BRING IT BACK ? >> GIVE IT! >> RANCHER JIM STONE IS ALSO AFFECTED BY CHANGING TEMPERATURES.

HE'S A SECOND GENERATION MONTANA RAMPER. HE'S ADAPTING HIS RANCH FOR NOT JUST THE FISHERIES BUT THE LAND OWNERS TOO. >> WHAT DOES IT MEAN? FAMILY. >> WHAT HAPPENS IF IT DOESN'T RAIN HERE? >> IF WE DON'T HAVE GRASS, WE'RE NOT ABLE TO FEED THE COWS. $1.60 A POUND, THAT'S TAKING DIRECTLY OUT OF OUR WALLET. >> WITH HELP OF GROUPS LIKE TROUT UNLIMITED. >> WE HELP THE RIVER BY HELPING THESE TRIBUTARIES. AND AT THE SAME TIME, HELPING THESE PEOPLE TRYING TO MAKE A LIVE ING OFF THE LAND. >> THEY'VE BEEN ABLE TO HELP HIM AND HELP THE FISHERIES. >> IT'S A COMPLETE WIN-WIN FOR US AND RECONNECTED THE FISHERIES. WURP OF THE — ONE OF THE STAR PROGRAMS HERE IS ALL THE OUTFITTERS TRYING TO WORK TOGETHER AND TRYING TO LEAVE AS MUCH WATER IN THE RIVER FOR THE FISH.

WE CAN GIVE WATER BACK AND STILL BE PRODUCTIVE. >> DO YOU THINK THE CUTTHROAT TROUT CAN BE SAVED? >> I DO. >> Only on Al Jazeera America >> A team of scientists are taking their inspiration from nature… >> Technology, it's a vital part of who we are >> They had some dynamic fire behavior… >> …and what we do… >> Transcranial direct stimulation… >> Don't try this at home… >> TechKnow's team of experts show you how the miracles of science… >> This is my selfie, what can you tell me about my future? >> …Can effect and surprise us… >> Sharks like affection… >> Catch new episodes of TechKnow on Al Jazeera America check your local listings or visit aljazeera.

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