Name: 為什麼土壤是地球上最神奇的東西之一？ (Why soil is one of the most amazing things on Earth | BBC Ideas)
Uploaded: 2021-01-28T19:20:52.000Z
Duration: 4 min 41 s

程度副詞

it's one the most underrated, and little-understood,

這是一個最被低估的，也是最不被理解的。

it's estimated that in a single gram of soil,

of microscopic organisms, or microorganisms.

there are more microorganisms than there are people on the Earth.

有更多的微生物 比有地球上的人。

But much of what lies beneath, in this hidden and deep universe,

但在這隱祕而深邃的宇宙中，很多東西都在下面。

humans have so far only identified a tiny fraction

迄今為止，人類只識別了一小部分

of the extraordinary life teeming underground.

的非同尋常的生活在地下湧動。

But these animals and microorganisms provide an invaluable role.

但這些動物和微生物提供了寶貴的作用。

Millions of years of evolutionary competition

have led the microorganisms to produce antibiotic compounds

導致微生物產生抗生素化合物。

of many of the antibiotics used by us humans.

我們人類使用的許多抗生素的。

We literally make medicine from our soil.

我們真的是用我們的土壤做藥。

No-one knows how many new treatments could be lying under our feet,

沒有人知道我們腳下會有多少新的治療方法。

One of the most special creatures living in soil is the earthworm.

生活在土壤中最特殊的生物之一就是蚯蚓。

"It may be doubted if there are any other animals

due to their importance in making and sustaining soil.

由於它們對製造和維持土壤的重要性。

creating breathing holes, like lungs in the soil.

形成呼吸孔，就像土壤中的肺。

This creates space for plant roots to grow and keeps soil alive.

這就為植物根系的生長創造了空間，保持了土壤的活力。

Under the soil, there are also vast and intricate webs of fungal threads.

在土壤下，還有龐大而複雜的菌絲網。

Plants and fungi need each other to thrive, and so they do a deal.

植物和真菌需要彼此生長，所以它們做了一筆交易。

Fungi can't capture carbon dioxide to grow like plants can,

真菌不能像植物那樣捕捉二氧化碳來生長。

but they're better than plants at mining the soil for nutrients,

但它們比植物更能挖掘土壤中的養分。

and fungi give plants nutrients, like nitrogen and phosphorus.

和真菌給植物提供養分，如氮和磷。

And just one example of the interconnected ecosystem

而這僅僅是相互關聯的生態系統的一個例子。

Plant matter decays and provides food for microbes.

植物物質會腐爛，為微生物提供食物。

Soil provides us humans with almost everything we eat.

土壤為我們人類提供了幾乎所有的食物。

But it's not just about what soils can do for us.

但這不僅僅是土壤對我們的作用。

重要的是我們要重視、欣賞----------。

and crucially protect - soil for a whole load of other reasons too.

而且至關重要的是，保護土壤也有很多其他原因。

It takes more than 100 years to build just 5 millimetres -

僅僅是5毫米的建築就需要100多年的時間--。

through chemical contamination, urbanisation,

Some soil is really ancient - dating back millions and millions of years.

有些土壤真的很古老--可以追溯到數百萬年前。

The oldest soil on Earth is thought to be in South Africa

地球上最古老的土壤被認為是在南非。

In the UK, our soil is around 15,000 years old,

在英國，我們的土壤大約有15000年的歷史。

它形成於上一個冰河時代之後。

Soil is also a really valuable carbon store -

土壤也是一個非常有價值的碳庫----------。

capturing carbon and locking it away in stable forms

捕捉碳並以穩定的形式將其鎖住

It stores three times as much carbon as all the plants on Earth combined,

它儲存的碳量是地球上所有植物總和的三倍。

But because it grows so slowly, we need to protect what we have.

但因為它生長得太慢，我們需要保護我們所擁有的東西。

and we're losing soil 50 to 100 times faster than it's able to re-build.

我們失去土壤的速度是它重建速度的50到100倍。

In Europe, 60-70% of soils are thought to be unhealthy.

在歐洲，60-70%的土壤被認為是不健康的。

in less than 30 years from the end of the 1970s,

從上世紀70年代末開始，在不到30年的時間裡。

we lost more than 10% of the carbon the soil had stored for us.

我們失去了超過10％的碳 土壤為我們儲存。

And since then? Well, we just don't know,

從那以後呢？嗯，我們只是不知道。

because in many countries there's little data on soil.

因為在很多國家，土壤的數據很少。

We grow on it, build on it, build from it.

我們在它的基礎上成長，在它的基礎上發展，在它的基礎上建設。

reduces flooding, and regulates our atmosphere.

It's one of the most biodiverse habitats on Earth

這裡是地球上生物多樣性最豐富的棲息地之一。

and a vital part of the nitrogen and carbon cycle on our planet.

也是我們地球上氮碳循環的重要組成部分。

right now, soil hasn't enough champions fighting for it.

現在，土壤還沒有足夠的冠軍為它而戰。

And yet there is so much untapped potential,

然而還有很多潛力沒有被挖掘出來。

so much wonder, and so many secrets, just waiting to be discovered

這麼多的奇蹟，這麼多的祕密，就等著被發現。