Can wildlife adapt to climate change? - Erin Eastwood

922,420 views ใƒป 2016-03-03

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Ji In Yu ๊ฒ€ํ† : Won Jang
00:06
Rising temperatures and seas,
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์ƒ์Šนํ•˜๋Š” ๊ธฐ์˜จ๊ณผ ํ•ด์ˆ˜๋ฉด,
00:08
massive droughts,
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์‹ฌ๊ฐํ•œ ๊ฐ€๋ญ„,
00:10
changing landscapes.
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๋ณ€ํ™”ํ•˜๋Š” ์ž์—ฐ๊ฒฝ๊ด€.
00:12
Successfully adapting to climate change is growing increasingly important.
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๊ธฐํ›„๋ณ€ํ™”์— ์„ฑ๊ณต์ ์œผ๋กœ ์ ์‘ํ•˜๋Š” ๊ฒƒ์€ ์ ์  ๋” ์ค‘์š”ํ•ด์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
00:16
For humans, this means using our technological advancement
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์ด๊ฒƒ์ด ์ธ๋ฅ˜์—๊ฒŒ๋Š” ๊ธฐ์ˆ ๋ฐœ์ „์„ ์‚ฌ์šฉํ•˜์—ฌ
00:20
to find solutions,
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ํ•ด๊ฒฐ์ฑ…์„ ์ฐพ๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
00:22
like smarter cities and better water management.
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์Šค๋งˆํŠธ ์‹œํ‹ฐ๋‚˜ ๋” ์ข‹์€ ์ˆ˜์งˆ ๊ด€๋ฆฌ ๊ฐ™์ด ๋ง์ด์ฃ .
00:25
But for some plants and animals,
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ํ•˜์ง€๋งŒ ์–ด๋–ค ์‹๋ฌผ๊ณผ ๋™๋ฌผ์—๊ฒŒ๋Š”
00:27
adapting to these global changes involves the most ancient solution of all:
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์ด๋Ÿฌํ•œ ์„ธ๊ณ„์ ์ธ ๋ณ€ํ™”์— ์ ์‘ํ•˜๊ธฐ ์œ„ํ•ด ๊ฐ€์žฅ ์˜ค๋ž˜๋œ ํ•ด๊ฒฐ์ฑ…์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
00:32
evolution.
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์ง„ํ™”์ž…๋‹ˆ๋‹ค.
00:33
Evolutionary adaptation usually occurs along time scales of thousands
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'์ง„ํ™”์  ์ ์‘'์€ ๋ณดํ†ต ์ˆ˜์ฒœ, ํ˜น์€ ์ˆ˜์‹ญ๋งŒ๋…„์˜ ๊ธฐ๊ฐ„์— ๊ฑธ์ณ ์ผ์–ด๋‚ฉ๋‹ˆ๋‹ค.
00:38
to hundreds of thousands of years.
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00:41
But in cases where species are under especially strong selective conditions,
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ํ•˜์ง€๋งŒ ๊ธ‰๊ฒฉํ•œ ๊ธฐํ›„๋ณ€ํ™”์™€ ๊ฐ™์€ ํ˜น๋…ํ•œ ์„ ํƒ์  ์กฐ๊ฑด ์•„๋ž˜์— ์žˆ๋Š” ์ข…๋“ค์€
00:46
like those caused by rapidly changing climates,
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00:48
adaptive evolution can happen more quickly.
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์ง„ํ™”์  ์ ์‘์ด ๋” ๋นจ๋ฆฌ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:52
In recent decades,
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์ตœ๊ทผ ๋ช‡ ์‹ญ๋…„ ๋™์•ˆ
00:53
we've seen many plants,
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์šฐ๋ฆฌ๋Š” ๋งŽ์€ ์‹๋ฌผ,
00:54
animals,
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๋™๋ฌผ,
00:55
and insects relocating themselves
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๊ณค์ถฉ๋“ค์˜ ์„œ์‹์ง€๊ฐ€ ๋ฐ”๋€Œ๊ณ 
00:57
and undergoing changes to their body sizes,
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๋ชธ์˜ ํฌ๊ธฐ์™€ ๊ฝƒ์ด ํ”ผ๊ณ  ๋ฒˆ์‹ํ•˜๋Š” ๋‚ ์งœ๊ฐ€
01:00
and the dates they flower or breed.
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๋ณ€ํ™”ํ•˜๋Š” ๊ฒƒ์„ ๊ด€์ฐฐํ–ˆ์Šต๋‹ˆ๋‹ค.
01:03
But many of these are plastic,
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ํ•˜์ง€๋งŒ ์ด๋Ÿฐ ๋ณ€ํ™”์˜ ๋Œ€๋ถ€๋ถ„์€ ๋‹จ์ˆœํ•œ ๊ฒ‰๋ณด๊ธฐ๋งŒ์˜ ๋ณ€ํ™”์ด๊ฑฐ๋‚˜
01:05
or nonheritable changes to an individual's physical traits.
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์œ ์ „์ด ๋˜์ง€ ์•Š๋Š” ๊ฐ ๊ฐœ์ฒด์˜ ์‹ ์ฒด์ ํŠน์„ฑ ๋ณ€ํ™”์ผ ๋ฟ์ž…๋‹ˆ๋‹ค.
01:09
And there are limits to how much an organism can change its own physiology
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๊ทธ๋ฆฌ๊ณ  ์œ ๊ธฐ์ฒด๊ฐ€ ํ™˜๊ฒฝ์  ์กฐ๊ฑด์„ ์ถฉ์กฑ์‹œํ‚ค๊ธฐ ์œ„ํ•ด
01:13
to meet environmental requirements.
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์ž์‹ ์˜ ์ƒ๋ฆฌ๊ธฐ๋Šฅ์„ ๋ฐ”๊พธ๋Š”๋ฐ ํ•œ๊ณ„๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
01:15
That's why scientists are seeking examples of evolutionary changes
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์ด ๋•Œ๋ฌธ์— ๊ณผํ•™์ž๋“ค์€ ์—ฌ๋Ÿฌ ์ข…๋“ค์˜ DNA์— ๋“ค์–ด์žˆ๋Š”
01:20
coded in species' DNA that are heritable,
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์œ ์ „์ ์ด๊ณ , ์˜ค๋ž˜ ์ง€์†๋˜๋ฉฐ ์ด ์ข…๋“ค์˜ ๋ฏธ๋ž˜์— ๋Œ€ํ•œ ํ•ด๋‹ต์„ ์ค„
01:23
long-lasting,
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01:24
and may provide a key to their future.
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์ง„ํ™”์  ๋ณ€ํ™”์˜ ์˜ˆ๋ฅผ ์ฐพ์œผ๋ ค๊ณ  ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
01:27
Take the tawny owl.
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์œ ๋Ÿฝ์‚ฐ ์˜ฌ๋นผ๋ฏธ๋ฅผ ์˜ˆ๋กœ ๋“ค์–ด๋ด…์‹œ๋‹ค.
01:29
If you were walking through a wintry forest in northern Europe 30 years ago,
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๋งŒ์•ฝ ์—ฌ๋Ÿฌ๋ถ„์ด 30๋…„ ์ „ ๋ถ์œ ๋Ÿฝ์˜ ๊ฒจ์šธ ์ˆฒ์„ ๊ฑท๊ณ  ์žˆ์—ˆ๋‹ค๋ฉด
01:33
chances are you'd have heard, rather than seen,
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์•„๋งˆ ์ด ์ˆจ์–ด์žˆ๋Š” ์ƒˆ๋“ค์˜ ์†Œ๋ฆฌ๋Š” ๋“ค์—ˆ์„์ง€ ๋ชฐ๋ผ๋„
01:36
this elusive bird.
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๋ชจ์Šต์€ ๋ชป์ฐพ์•˜์„ ๊ฒ๋‹ˆ๋‹ค.
01:38
Against the snowy backdrop,
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๋ˆˆ ๋ฎ์ธ ๋ฐฐ๊ฒฝ์— ์„ž์—ฌ์žˆ๋Š”
01:39
its plumage would have been near impossible to spot.
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๊ทธ๋“ค์˜ ๊นƒํ„ธ์„ ๋ณด๋Š” ๊ฒƒ์€ ๊ฑฐ์˜ ๋ถˆ๊ฐ€๋Šฅํ–ˆ์„ํ…Œ์ง€์š”.
01:43
Today, the landscape is vastly different.
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ํ•˜์ง€๋งŒ ์˜ค๋Š˜๋‚ ์˜ ํ’๊ฒฝ์€ ๊ต‰์žฅํžˆ ๋‹ฌ๋ผ์กŒ์Šต๋‹ˆ๋‹ค.
01:46
Since the 1980s,
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1980๋…„๋Œ€ ๋ถ€ํ„ฐ
01:47
climate change has led to significantly less snowfall,
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๊ธฐํ›„๋ณ€ํ™”๋กœ ์ธํ•ด ๋ˆˆ์— ๋„๊ฒŒ ๊ฐ•์„ค๋Ÿ‰์ด ์ค„์—ˆ์ง€๋งŒ
01:51
but you'd still struggle to spot a tawny owl
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์•„์ง๋„ ๋‹น์‹ ์€ ์œ ๋Ÿฝ์‚ฐ ์˜ฌ๋นผ๋ฏธ๋ฅผ ์ฐพ๊ธฐ ์–ด๋ ค์šธ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:54
because nowadays, they're brown.
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์™œ๋ƒํ•˜๋ฉด ์š”์ฆ˜์€ ์˜ฌ๋นผ๋ฏธ๋“ค์ด ๊ฐˆ์ƒ‰์ด๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
01:57
The brown color variant is the genetically dominant form of plumage in this species,
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๊ฐˆ์ƒ‰ ๋ณ€ํ˜•์ฒด๋Š” ์ด ์ข…์— ์œ ์ „์ ์œผ๋กœ ์šฐ์„ฑ์˜ ์ƒ‰์ž…๋‹ˆ๋‹ค.
02:02
but historically,
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ํ•˜์ง€๋งŒ ์—ญ์‚ฌ์ ์œผ๋กœ
02:03
the recessive pale gray variant triumphed
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์œ ์ „์ ์œผ๋กœ ์—ด์„ฑ์ธ ํšŒ์ƒ‰ ๋ณ€ํ˜•์ฒด๊ฐ€ ๋Œ€์„ธ๋ฅผ ์ด๋ฃจ์—ˆ๋Š”๋ฐ
02:06
because of its selective advantage in helping these predators blend in.
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์—ด์„ฑ์ธ ํšŒ์ƒ‰์ด ํฌ์‹์ž๋“ค๋กœ ๋ถ€ํ„ฐ ๋ˆˆ์— ๋„์ง€ ์•Š๊ฒŒ ๋„์™€์ฃผ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
02:11
However, less snow cover reduces opportunities for camouflage,
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ํ•˜์ง€๋งŒ ์ค„์–ด๋“  ๊ฐ•์„ค๋Ÿ‰์ด ์œ„์žฅ ๊ธฐํšŒ๋ฅผ ๊ฐ์†Œ์‹œ์ผฐ๊ธฐ ๋•Œ๋ฌธ์—
02:15
so lately, this gray color variant
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์ตœ๊ทผ์—๋Š” ์ด ํšŒ์ƒ‰ ๋ณ€ํ˜•์ฒด๋Š”
02:17
has been losing the battle against natural selection.
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์ž์—ฐ๋„ํƒœ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:20
The offspring of the brown color morphs, on the other hand,
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ํ•œํŽธ์œผ๋กœ ๊ฐˆ์ƒ‰ ํ˜•ํƒœ ์˜ฌ๋นผ๋ฏธ์˜ ์ƒˆ๋ผ๋“ค์€
02:23
have an advantage in exposed forests,
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๋…ธ์ถœ๋œ ์ˆฒ ํ™˜๊ฒฝ์— ์œ ๋ฆฌํ•˜๊ธฐ ๋•Œ๋ฌธ์—
02:25
so brown tawny owls are flourishing today.
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ํ˜„์žฌ ๊ฐˆ์ƒ‰ ์œ ๋Ÿฝ์‚ฐ ์˜ฌ๋นผ๋ฏธ๋“ค์ด ๋ฒˆ์„ฑํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:29
Several other species have undergone
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๋ช‡๋ช‡์˜ ๋‹ค๋ฅธ ์ข…๋“ค ๋˜ํ•œ ์ตœ๊ทผ ๋ช‡ ์‹ญ๋…„๊ฐ„
02:31
similar climate-change-adaptive genetic changes in recent decades.
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๊ธฐํ›„ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ์œ ์ „์  ๋ณ€ํ™”๋ฅผ ๊ฒช์—ˆ์Šต๋‹ˆ๋‹ค.
02:36
Pitcher plant mosquitoes have rapidly evolved
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๋ˆ๋ˆ์ด ์ฃผ๊ฑฑ ๋ชจ๊ธฐ๋Š”
02:38
to take advantage of the warmer temperatures,
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๋” ๋”ฐ๋œปํ•ด์ง€๋Š” ๊ธฐ์˜จ์„ ์ด์šฉํ•˜๊ธฐ ์œ„ํ•ด ์ผ ๋…„ ์ค‘ ๋” ํ›„๋ฐ˜๊ธฐ์—
02:41
entering dormancy later and later in the year.
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๋น„ํ™œ๋™์ƒํƒœ์— ๋“ค์–ด๊ฐ€๋„๋ก ์ง„ํ™”ํ–ˆ์Šต๋‹ˆ๋‹ค.
02:44
Two spot ladybug populations,
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๋‘ ์  ๋ฌด๋‹น๋ฒŒ๋ ˆ์˜ ๊ฐœ์ฒด์ˆ˜๋Š”
02:47
once comprised of equal numbers of melanic and non-melanic morphs,
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ํ•œ๋•Œ ํ‘์ƒ‰์ฆ ํ˜•ํƒœ์™€ ๋น„ํ‘์ƒ‰์ฆ ํ˜•ํƒœ๊ฐ€ ๋™๋“ฑํ•œ ์ˆ˜๋กœ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
02:51
have now shifted almost entirely to the non-melanic color combination.
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ํ•˜์ง€๋งŒ ์ง€๊ธˆ์€ ๊ฑฐ์˜ ๋Œ€๋ถ€๋ถ„์ด ๋น„ํ‘์ƒ‰์ฆ ํ˜•ํƒœ๋กœ ์˜ฎ๊ฒจ๊ฐ”์Šต๋‹ˆ๋‹ค.
02:56
Scientists think that keeps them from overheating.
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๊ณผํ•™์ž๋“ค์€ ์ด ํ˜•ํƒœ๊ฐ€ ๋ชธ์ด ๊ณผ์—ด๋˜๋Š” ๊ฒƒ์„ ๋ง‰๋Š”๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
02:59
Meanwhile, pink salmon have adapted to warmer waters
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ํ•œํŽธ ํ™์†ก์–ด๋Š” ์ดˆ์ˆœ์— ์•Œ์„ ๋‚ณ์•„
03:03
by spawning earlier in the season to protect their sensitive eggs.
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์˜ˆ๋ฏผํ•œ ์•Œ๋“ค์„ ๋ณดํ˜ธํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋”ฐ๋œปํ•œ ์ˆ˜์˜จ์— ์ ์‘ํ•˜์˜€์Šต๋‹ˆ๋‹ค.
03:07
And wild thyme plants in Europe are producing more repellent oils
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๊ทธ๋ฆฌ๊ณ  ์œ ๋Ÿฝ์˜ ์•ผ์ƒ ๋ฐฑ๋ฆฌํ–ฅ์€
๋”ฐ๋œปํ•ด์ง€๋ฉด ๋” ํ”ํ•ด์ง€๋Š” ์ดˆ์‹๋™๋ฌผ๋กœ๋ถ€ํ„ฐ ์ž๊ธฐ ์ž์‹ ์„ ๋ณดํ˜ธํ•˜๊ธฐ ์œ„ํ•ด
03:11
to protect themselves against the herbivores
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๋” ๋งŽ์€ ํ‡ด์น˜๊ธฐ๋ฆ„์„ ์ƒ์‚ฐํ•ฉ๋‹ˆ๋‹ค.
03:14
that become more common when it's warm.
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03:17
These plants and animals belong to a group of about 20 identified species
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์ด๋Ÿฐ ์‹๋ฌผ๊ณผ ๋™๋ฌผ๋“ค์€ ๊ธ‰๊ฒฉํ•œ ๊ธฐํ›„ ๋ณ€ํ™”์— ์ง„ํ™”์  ์ ์‘์„ ํ•œ
03:21
with evolutionary adaptations to rapid climate change,
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20์—ฌ ์ข…์˜ ์‹๋ณ„ ์ข…์ด ํฌํ•จ๋œ ๊ทธ๋ฃน์— ์†ํ•ฉ๋‹ˆ๋‹ค.
03:25
including snapping turtles,
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๊ทธ ์•ˆ์—๋Š” ๋Š‘๋Œ€ ๊ฑฐ๋ถ๊ณผ
03:27
wood frogs,
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์†ก์žฅ ๊ฐœ๊ตฌ๋ฆฌ,
03:28
knotweed,
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๋งˆ๋””ํ’€,
03:29
and silver spotted skipper butterflies.
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์€์ƒ‰์ ์ด ์žˆ๋Š” ํŒ”๋ž‘๋‚˜๋น„ ๋˜ํ•œ ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
03:32
However, scientists hope to discover more species evolving
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ํ•˜์ง€๋งŒ ๊ณผํ•™์ž๋“ค์€ ์ง€๊ตฌ์— ์žˆ๋Š” 870๋งŒ ์ข… ์ค‘์—์„œ
03:36
in response to climate change out of 8.7 million species on the planet.
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๊ธฐํ›„๋ณ€ํ™”์— ๋Œ€์‘ํ•˜์—ฌ ์ง„ํ™”ํ•œ ๋” ๋งŽ์€ ์ข…๋“ค์„ ๋ฐœ๊ฒฌํ•˜๊ธฐ๋ฅผ ์›ํ•ฉ๋‹ˆ๋‹ค.
03:41
For most of our planet's astounding and precious biodiversity,
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์šฐ๋ฆฌ ์ง€๊ตฌ์˜ ์œ„๋Œ€ํ•˜๊ณ  ๊ท€์ค‘ํ•œ ์ƒ๋ฌผ ๋‹ค์–‘์„ฑ์„ ์œ„ํ•ด
03:44
evolution won't be the answer.
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์ง„ํ™”๋Š” ํ•ด๊ฒฐ์ฑ…์ด ์•„๋‹ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:47
Instead, many of those species will have to rely on us
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๋Œ€์‹  ๊ทธ๋Ÿฐ ๋งŽ์€ ์ข…๋“ค์€
03:51
to help them survive a changing world
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๋ณ€ํ™”ํ•˜๋Š” ์„ธ์ƒ์—์„œ ์ƒ์กดํ•˜๊ณ  ๋ฉธ์ข…์„ ๋ฉดํ•˜๊ธฐ ์œ„ํ•ด์„œ
03:53
or face extinction.
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์šฐ๋ฆฌ์—๊ฒŒ ์˜์ง€ํ•ด์•ผ ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:56
The good news is we already have the tools.
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์ข‹์€ ์†Œ์‹์€ ์šฐ๋ฆฐ ์ด๋ฏธ ๋ฐฉ๋ฒ•์„ ๊ฐ–๊ณ  ์žˆ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:58
Across the planet, we're making on-the-ground decisions
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์ „ ์„ธ๊ณ„์ ์œผ๋กœ ๋ชจ๋“  ์ƒํƒœ๊ณ„๊ฐ€ ์ ์‘ํ•  ์ˆ˜ ์žˆ๋„๋ก
04:01
that will help entire ecosystems adapt.
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์ง€์—ญ ์‹ค์ •์— ๋งž๋Š” ๊ฒฐ์ •๋“ค์ด ๋‚ด๋ ค์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:04
Critical climate refuges are being identified and set aside,
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ํ•ต์‹ฌ์ ์ธ ๊ธฐํ›„ ๋„ํ”ผ์ฒ˜๋“ค์ด ๋ฐœ๊ฒฌ๋˜๊ณ  ๋”ฐ๋กœ ๊ด€๋ฆฌ๋˜๊ณ  ์žˆ์œผ๋ฉฐ
04:08
and projects are underway to help mobile species
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์ด๋™๊ฐ€๋Šฅํ•œ ์ข…๋“ค์„ ๋” ์ ํ•ฉํ•œ ๊ธฐํ›„๋กœ ์˜ฎ๊ธฐ๊ธฐ ์œ„ํ•ด
04:11
move to more suitable climates.
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์—ฌ๋Ÿฌ ํ”„๋กœ์ ํŠธ๊ฐ€ ์ง„ํ–‰๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:13
Existing parks and protected areas are also doing climate change check-ups
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ํ˜„์กดํ•˜๋Š” ๊ณต์›๊ณผ ๋ณดํ˜ธ๊ตฌ์—ญ๋“ค ๋˜ํ•œ ์•ผ์ƒ๋™๋ฌผ๋“ค์ด ์ ์‘ํ•  ์ˆ˜ ์žˆ๋„๋ก
04:18
to help their wildlife cope.
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๊ธฐํ›„๋ณ€ํ™” ์ฒดํฌ๋ฅผ ๋ฐ›๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:20
Fortunately, it's still within our power
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๋‹คํ–‰ํžˆ ์‹ ๋น„๋กœ์šด ์ง€๊ตฌ์˜ ์ƒ๋ฌผ ๋‹ค์–‘์„ฑ์„
04:23
to preserve much of the wondrous biodiversity of this planet,
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๋ณด์กดํ•˜๋Š” ํž˜์€ ์•„์ง ์šฐ๋ฆฌ ์•ˆ์— ์žˆ์Šต๋‹ˆ๋‹ค.
04:26
which, after all, sustains us in so many ways.
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์ด๋Š” ๊ฒฐ๊ตญ ์šฐ๋ฆฌ๊ฐ€ ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์œผ๋กœ ์‚ด์•„๊ฐˆ ์ˆ˜ ์žˆ๋„๋ก ๋„์™€์ค„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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