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Out of the Blue Ridge Mountains in northwest Georgia, the cold waters of the Conasauga River descend toward Tennessee.
在佐治亞州西北部的藍脊山外，Conasauga河冰冷的水靜靜地流向田納西州。
Flowing back and forth across the state line, the River's abundant wildlife and unspoiled beauty is a remnant of the past
這條河沿著田納西州邊境蜿蜒曲折，豐富的野生物種和未被損壞的美景已經成為過去
--a fading memory that Carton Petty wants to restore.
——Carton Petty希望重建的褪色的記憶。
"I found out it phased out. Take care of the land and it'll take care of you."
“我發現這里的美景逐漸消失了。你關照土地，它也會關照你。”
It break, if you didn't. Petty purchased this land several years ago to grow corn and raise dairy cattle.
如果你不好好對它，終有一天它會崩潰。Petty幾年前購買了這片土地，主要用于種植玉米和養殖奶牛。
Today, his farm covers more than 7,000 acres, 170 of them along the Conasauga.
如今他的農場占地7,000多英畝，其中170多畝是在Conasauga河岸。
To preserve the beauty of the river and his property,
為了保住河流的美景和他的財產，
Petty has built buffer zones--dedicated strips of land to stop chemicals he spreads on his crops from running into the river, and to prevent bank erosion.
Petty建立的緩沖區——一些防止他施用在作物上的化學物質流入河流，防止河岸侵蝕的專用土地帶。
"Yep, this, this is just the new buffer we put in and it just, They were sold in November. And it'll take about a year for you to get established good. "
“這是我們投入的新的緩沖帶，11月份剛剛買過來的，大約要用一年的時間才能建好。”
Buffers are an idea from the Conservation Reserve Program--a United States Department of Agriculture backed initiative that brings landowners,
緩沖區是來自美國自然保護計劃（Conservation Reserve Program，簡稱CRP）——美國農業部為了將土地所有者，
local alliances, and other government agencies together.
當地聯盟和其他政府機構聯合起來而設立的項目。
Nevertheless, keeping an old river like this one healthy in a modern world is difficult.
但是，在現代化的世界里，要想保持這樣的河流的健康是非常困難的。
Beneath the surface of these waters, a pollutant is killing one of its oldest residents --a rare kind of mussel.
在河面一下，污染物正在殺戮河中最古老的居民——一種稀有貽貝。
And no one knows exactly where it is coming from. "This animal's, probably, 20 to 30 years old... "
沒人確切的知道它來自哪里。“這種動物，年齡可能在20到30歲之間……”
Paul Johnson with the Tennessee Aquarium has the task of figuring out how to preserve the mussels and help them reproduce.
田納西水族館的Paul Johnson負責找出保護這些貽貝和使它們再生的方法。
"This animal's called... Its scientific name is Cora-bean Hellene. Its common name is the Georgia Pigtail.
“這種動物叫做……它的學名是Cora-bean Hellene，通俗名稱是Georgia Pigtail。
It was believed to be extinct, then we found this species alive in the Conasauga River,
大家都確信它已經滅絕了，但是我們在Conasauga河又發現了這個物種。
and as far as we know, Conasauga is the sole river that contains this species."
據我們了解，Conasauga河是唯一有這種物種生存的河流。”
It is a race against time. As long as they cannot figure out what is killing the mussels, that something poses a threat to the whole river.
這是一場與時間的比賽。如果他們找不出是什么原因導致貽貝死亡，會對整條河流造成威脅。
While the work goes on, the Petties will keep doing their part.
在工作進行的過程中，Petty一家還將繼續做好他們自己的工作。
"It's lucky we got something special here with the Conasauga. So, I think we all well understand and start to realize that.
“能夠和Conasauga河有這種特殊的關系我們感到很幸運。所以，我覺得我們會理解，并且開始意識到這一點。
And we're trying to do the appropriate steps to keep it a clean and beautiful view."
我們正在努力采取適當的措施，以保證Conasauga河清潔美麗的風景。”
