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مسلسل Our Living World مترجم - Episode 1
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03:35This is the wondrous, untold story of the most powerful force on Earth.
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08:20Out on the
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09:38The Arctic
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17:48Yet, even here, nature's network has a way of providing exactly what life needs to flourish.
18:02All because hundreds of miles away, an icy Atlantic current meets hot desert air.
18:14Thick fog blows inland.
18:21Thunderclouds billow up over the highlands, where they perform nature's own alchemy.
18:32Each bolt of lightning is so powerful, it splits molecules in the air, creating nitrates, a liquid fertilizer essential for
18:51the growth of every plant on Earth.
18:56These nutrients rain down and cascade south, crossing hundreds of miles of southern Africa until they pour into the Okavango
19:15Delta, transforming the parched Kalahari into one of nature's greatest oases.
19:30Triggering an explosion of new growth in the once barren desert.
19:47But while a connection to a distant ocean provides the waters, it is down to the locals to create a
19:58neighborhood where everyone can benefit.
20:06Heavyweight engineers bulldoze their way through the vegetation, creating networks of flowing channels that connect pools and watering holes.
20:28Allowing the rich waters to spread further afield.
20:37Meaning no one misses out.
20:48And for this family of leisure-loving hippos, it's pool party season.
21:01They've got first dibs on the best bathing spot in the area.
21:22But Dad can't kick back completely.
21:27Keeping hold of this pool and his harem of breeding females is not going to be easy.
21:36Both are hot property for young bulls looking to start their own family.
21:47For the father, this interloper is about as welcome as a band-aid in a hot tub.
21:54He's not going to be easy.
22:10Dad warns him to back off.
22:17Fighting a two-ton rival would be exhausting.
22:22It could also be deadly.
22:30But if the rogue male steps into his pool, Dad has a simple choice.
22:38Lose his family or fight.
22:43Lose his family or fight.
22:48Lose his family or fight.
23:11Lose his family, did he can't wait again.
23:12Dad was Whew.
23:12Dad may have to see off many more challengers before the season is over.
23:22But for now victory deserves a lap of celebration.
23:32Yeah, still got it.
23:39all this frolicking and fighting helps to prolong the party season
23:46it stirs the waters and stops the pools from stagnating
23:56so even as the flood begins to subside
24:01their fellow landscape engineers can be sure that hippo flavored water is safe to drink
24:16just a few months on
24:21the riches of the flood disappear
24:31and the bulldozers bring what food is left
24:38down to earth
24:44but even this demolition dinner
24:47sets off a chain reaction
24:52that sends ripples far beyond the desert
24:59by paving the way for another natural phenomenon
25:07fire
25:14deadwood fuels seasonal bushfires
25:17that rejuvenate the savannah
25:26and in these flames
25:28a new thread in the vast web of life begins
25:37with a link
25:38that connects continents
25:47as the brush and soil burn
25:51microscopic nutrients are released from their earth-bound existence
26:03they rise up with the smoke
26:08to meet the clouds
26:13high in the atmosphere
26:15plumes of phosphorus speed their way through wind currents and weather systems
26:24fertilizers carried all the way across the Atlantic
26:29to the skies of South America
26:37where their magic rains down
26:42over the mighty Amazon rainforest
26:52remarkably half of the phosphorus that finds its way here originates from African fires
27:02providing an intercontinental lifeline for the three million species that call this place home
27:16we used to think the incredible diversity of life here evolved through the pressures of competition
27:36but there is also a more subtle and equally powerful force at play
27:46collaboration
27:52rising above it all
27:54is an elegant brazil nut tree
28:00she has been growing here for over a century
28:06at nearly a hundred and fifty feet tall
28:09she is a pillar of high society
28:20she has risen to the top
28:22by being the ultimate forest networker
28:25and she has faith that her contacts will provide everything she needs
28:34bright yellow flowers brimming with nectar
28:37announce that she is ready to reproduce
28:46but she is a little bit picky
28:50she only wants to admit VIPs
28:54very important pollinators
28:56who might have visited another brazil nut tree
29:03so her flowers have a protective hood
29:08it'll take someone with a bit more heft to deadlift this doorway
29:19astonishingly
29:20astonishingly
29:20this tree is so well connected
29:23that she can outsource the hard work of finding such an exclusive creature
29:29to a personal assistant
29:34a neighboring orchid
29:38looking to lure in a pollinator
29:41of its own
29:43its captivating aroma
29:46is irresistible
29:48to a connoisseur
29:50of scents
29:55this orchid bee
29:57this orchid bee
29:58is a master perfumier
30:02working on his own signature cologne
30:05he simply must add this divine fragrance to his mix
30:13he gently gathers the finest aromatic oils with his brushes
30:23and deftly blends them together in his pouches
30:30the perfect concoction will make him more desirable to any admirer
30:36so
30:38it must be
30:39just right
30:43maybe
30:44a dab more
30:48but it's not this perfumed perfectionist
30:51who will help the brazil nut tree
30:55it's who he attracts
31:02with the forest air
31:04now heady
31:05with seductive scents
31:08bigger
31:09stronger
31:10female bees
31:11start buzzing about
31:16and
31:17it is these heavyweights
31:19who the brazil nut tree has been waiting to entertain
31:33female bees
31:35female bees have the power to prise open the hood
31:41and deliver the pollen the tree needs to reproduce
31:51the tree's mastery of the forest network has paid off
31:56the tree's mastery of the forest network has paid off
32:00but by next year
32:03her exclusive flowers have turned into a fruit
32:10that is even harder to get into
32:19not even a hundred foot drop
32:23can spring its seeds from their rock hard shell
32:29only a safe cracker could bust into this strong box
32:34but
32:35this noble tree
32:37even has contacts in the forest underworld
32:45suspect number one
32:46suspect number one
32:48the light finger to goodie
32:55this toothy rodent is the only creature with the right tools to jimmy open the case
33:04and when it comes to the nuts inside
33:06and when it comes to the nuts inside
33:07he's just got to have them all
33:13if there's any leftovers
33:15he stashes them in little caches throughout the forest
33:24so he can enjoy them later
33:34but this forest filcher has so many hidden away
33:39he can't possibly remember where they all are
33:46and it's his lost seeds that the brazil nut has been counting on
34:07placing her precious legacy in the hands of such a motley crew might seem reckless
34:16but that's the wonder of nature's network
34:20these fantastical collaborations really do work
34:27and they're so reliable that every single brazil nut is created in this extraordinary way
34:38they are a crop that can only come from a healthy intact rainforest
34:50and there's one animal in particular who is crucial to keeping this whole forest healthy
35:00a creature who rules his kingdom with an iron fist of fear
35:17well at least he will when he gets out of bed
35:26a typical teenager
35:29this young jaguar spends his days sleeping
35:34and occasionally getting up to raid the pantry
35:49his snacks range from the tops of the trees
35:54right down to beneath the water line
36:03but his boundless appetite means that everywhere he treads
36:08he breathes not death
36:10but life
36:15without big cats like him
36:17without big cats like him
36:19this place could look very different
36:26fewer hunters would mean a boom of grazers
36:31devouring saplings before they reach maturity
36:38as older trees die off
36:40fewer young ones replace them
36:49the sun
36:50sunlight streams in through gaps in the canopy
36:55the damp understory dries out
36:59and those that rely on moist conditions
37:03disappear
37:07flowers wilt
37:10hummingbirds
37:11starved
37:15where no large predators roam
37:21leafcutter ant numbers explode a hundredfold
37:26ready to strip away the forest
37:29one leaf at a time
37:37just one missing link
37:39and the whole network
37:41begins to fall apart
37:48but where jaguars still hunt
37:50they are the glue
37:52that binds together the complex web of the rainforest
37:58and this voracious teenager
38:02will even attempt something few other hunters would dare
38:09taking on another top predator
38:18a caiman
38:21waiting to ambush her own prey
38:25a naive jaguar would be well within her power
38:33it's all about who gets the jump on whom
38:35the
38:36I don't know.
39:17He has landed a meal worthy of even the heartiest teenage appetite.
39:26And one that will have profound knock-on effects.
39:34Because his leftovers are about to start their own journey
39:40that will reveal the mind-blowing secret
39:44of how forests all over the world really work.
39:53The rotting carcass releases a lifetime's worth of nutrients
39:58that seep into the forest floor.
40:04And underground, something is waiting to receive them.
40:13A microscopic thread absorbs the nutrients
40:17and transports them beneath the trees above.
40:26It is just one filament in a vast living network.
40:35The mycelial tissue from colonies of fungi
40:40that spread beneath this entire rainforest.
40:47Their tiny terminals connect to tree roots,
40:52trading captured nutrients
40:54in return for a share of the tree's own food.
41:01But this is more than just a business transaction.
41:06In some forests, underground networks unite their trees
41:11into a single wood-wide web.
41:15A smart system that allows a mutual flow of food and water
41:21from the strongest to the weakest.
41:29A sapling starved of sunlight can be nursed to full strength
41:34by her taller neighbors.
41:39The trees might even use their network
41:41to communicate with each other.
41:44A hive mind warning others of disease or attack
41:49so they can prepare for tough times ahead.
41:56The scale of the planet's fungal networks is staggering.
42:01Laid end to end, they would spread beyond our solar system,
42:07extending more than halfway across our galaxy.
42:13But here on Earth, they work with their trees
42:17to lock away three quarters of all our terrestrial carbon safely.
42:23beneath the soil.
42:31This fig tree is hundreds of years old.
42:37A mother tree.
42:41Many saplings have grown up in her shadow.
42:49But now, her life is coming to an end.
43:04The fungal network may allow her one final act of selflessness.
43:13To gift the last of her precious nutrients to her community.
43:23A grandmother's dying wish to provide the best chance for her forest family.
43:34Another tree will grow to take her place and continue her enduring role.
43:43Thanks to the wonders of the wood wide web.
43:55Some scientists today are increasingly seeing forests as a single, interconnected entity.
44:07where plants, animals, and fungi all work together as a collaborating, self-supporting community.
44:22The epitome of nature's amazing network.
44:33In the light of these recent discoveries, it's not too great a leap to see the whole planet functioning in
44:41the same way.
44:43Every life connected, from a speedy reindeer, to a triumphant hippo, every action with its consequence.
44:58From an ocean heartbeat, to a fertile rainstorm, from an ocean heartbeat, to a fertile rainstorm.
45:10One way or another, all of nature connects to all our lives.
45:20Even if it's not walking down our street.
45:29Life's connections stretch to every corner of the earth.
45:36But nature's network must be constantly on the move.
45:41Dancing to the rhythms of our living planet.
45:45And reacting to the passage of time itself.
45:55In a world that is ever-changing.
45:58In a world that is ever-changing.
46:00Opportunity is always there for the taking.
46:05But timing...
46:08Is everything.
46:09I hated.
46:38I can't believe it.
46:39I can agree.
46:39Oh, my God.
47:36Oh, my God.
47:39Oh, my God.
48:25Oh, my God.
48:43Oh, my God.
49:13Oh, my God.
49:39Oh, my God.
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