蓝色星球（2001）

Pacific white-sided dolphin
太平洋白侧海豚
But the dolphin are mainly nocturnal hunters
但海豚多数在夜间觅食
during the day they concentrate on socialising
白天它们专心于社交
They display by releasing streams of bubbles and they play games...
它们会表演释放成串的泡泡 也会玩游戏
...games like pass the seaweed, for example
例如传递海草
Exactly eight months ago in the winter off the west coast of Scotland
8个月前苏格兰西岸的冬天
an egg was laid - and securely fixed to a strand of kelp
一个卵被产下 并被菺善的缠在海草上
lnside, a tiny embryo started to develop
里头有个小胚胎开始成长
Protected by the tough egg case, it endured the worst of the winter storms
在坚硬的蛋壳保护下 它度过冬天最糟的暴风
By summer it was half grown
夏天时它已成熟一半
Now at last, in the late autumn - it's nearly ready to hatch
终于在秋天尾声时 它准备好要孵化
A fully formed miniature shark swims free
一只成形的迷你鲨鱼现身
This year's plankton will soon die but the young dogfish
今年的浮游生物即将死去 但年轻的狗鲨
is so well developed that it can't hunt immediately for larger prey
成长完善 已能立即捕猎较大的动物
The days are getting shorter now
白天渐渐变短
ln British Columbia the water begins to chill
英属哥伦比亚的海水开始变冷
This bizarre looking creature is searching through the kelp for food
这只长相怪异的生物 正试着从海草中找寻食物
This is Melibe - the hooded sea slug
这是梅黎贝海虫舌虫俞
lt catches plankton with its net-like head
它用网状的头抓浮游物
As winter approaches plankton is becoming scarce,
冬天来临浮游物变得稀少
but Melibe is an assiduous searcher
但梅黎贝是勤奋的搜索者
lt can swim
它会游泳
lt flaps away to look for a better feeding spot
它离开去寻找更好的觅食点
But its search is becoming increasingly difficult
但它的搜寻越来越艰难
Within the next two weeks most of the plankton will have disappeared
往后两周内 多数的浮游物都将消失
As the sunlight becomes ever more feeble
阳光变得更微弱
the kelp starts to die, gradually rotting away to nothing
海草开始死亡 渐渐地腐烂消失
Soon it will be winter
冬天即将降临
But 9,000 miles to the south the sun is rising on a new spring day
但往南9千里 太阳正在一个新的春日升起
The southern hemisphere too has Temperate regions
南半球同样也有不同的气温区
and now the plankton is beginning to bloom around Tasmania
此刻浮游物正在 塔斯梅尼亚繁衍
Just as in the north, the Southern Seasonal Seas
如同北方一样 南方的季节性海洋
also have areas of rich green water...
也有茂盛的绿水区
...with their own kelp forests
有它们自己的海草森林
...and their own swarms of plankton
及它们的浮游生物族群
Some of the inhabitants of these seas live only in the southern hemisphere
有些在此域的生物 只居住在南半球
This is one of them - the handfish - that strolls around on modified fins
这是其中之一，手鱼 靠变化过的鳍漫步着
But when needs must - it can resort to tail power
但必要时它也能使用尾的力量
Every summer visitors come to the shallows around Tasmania
每个夏季都有访客前来 塔斯梅尼亚的浅滩
These are Australian squid - about half a metre long
这些是奥洲乌贼 约有半公尺长
They are here to breed
它们到此繁殖
The larger males compete for the attentions of a female
较大的公乌贼会以表现
displaying towards her and to one another by putting on a ballet,
来争夺取异性的注意力 更手足舞蹈彼此比较
during which they continually change the colour of their costumes
期间它们还会不断改变颜色
Eventually they form pairs
最后它们会配对
A male passes a packet of sperm across to the female
公的会给母的一团精♥液♥
After the eggs have been fertilised, they are deposited in tough,
卵受精后 它们会被放置在
rubbery egg cases that other creatures find poisonous
对其他生物具毒性 而坚固有弹性的蛋壳内
Within three weeks the babies are ready to hatch out
3周内胎儿就准备好孵化
They are already able to change colour
它们已经可以改变颜色
but they're not quite so good at swimming
但还不太会游泳
There is another animal here that is a rather more devoted parent
这里有另一种动物 是尽责的父母
This is a male leafy sea dragon,
这是一只公海龙
an exquisitely decorated relative of the sea horse
是海马外形精致的远亲
He is carrying his partner's eggs around with him
它随身带着配偶的卵
They would be a highly nutritious snack for any predator that found them
这些会是掠食者极营养的点心
But that's not easy because the eggs are attached
但那绝非易事 因为卵都附着在
to their father's perfectly camouflaged body
这个父亲 伪装完美的身体上
They could scarcely be in a safer place
没有比这儿更安全的地方了
By November, 1 0,000 miles to the north, winter has arrived
往北1万里 冬天在11月降临
Norway now gets less than 5 hours of daylight in every twenty four
挪威现在每天只有 少于5小时的白天
The temperature is falling rapidly
温度急速下滑
But despite the cold, the sea is far from deserted
任凭天气严寒 海水并不空旷
Every winter, 500 million tonnes of adult
每年冬天有5亿吨♥的成年鲱鱼
herring seek shelter in these deep waters
在深海里寻求庇护
They will stay here for four months, living entirely on the fat
它们会停留4个月 完全依赖夏天
they accumulated during the summer feasts of plankton
浮游生物大餐中 储存下来的脂肪
But they are not alone...
它们不是唯一在此的
Orca's his small pod is part of a population
海怪
of some five hundred killer whales
它属于500只杀人鲸的一部份
that specialise in hunting North Atlantic herring
专门猎杀北大西洋鲱鱼
Using their echo-location they have detected a shoal
靠回音定位的侦测
of herring 50 metres below them
它们找到50公尺以下的鲱鱼群
With enough air for a 1 0 minute dive...
足够的氧气使其能潜水10分钟
they swim deep below the herring and drive the fish upwards
它们游到鲱鱼之下 将它们驱赶向上
Bubbles stream from the rising fish
它们气囊的气体扩张释出
as gas in their swim bladders expands and escapes
形成连串的气泡
Even an orca finds it difficult to catch a healthy herring
想要捕捉一只健康的鲱鱼 对海怪而言并不觉得容易
But they have a devastating weapon all their own
但它们有独特的致命武器
They use their tail to club the fish with waves of water pressure
它们用尾巴所造成的 一波波水压来打击鱼群
Then it's simply a matter of collecting the stunned casualties
然后就只需收集昏迷的伤鱼了 鲱鱼彻底失败
The herrings have no chance and both orca and gulls will eat as much as they can
在接下来的4个月内 而海怪及海鸟
every day for the next four months
每天都会尽情享用盛宴
But there are so many fish wintering here, over 5 billion individuals,
但仍有许多鱼类在此过冬 有超过50亿只
that the losses are almost unnoticeable
以致于那些损失变得微不足道
Violent as this Winter weather may be
冬天的气候也许猛烈
it's essential for the renewal of the riches of the Seasonal Seas
季节性海洋的更新 是不可或缺的
Out in the open oceans, the surging waters stir up nutrients from the depths
宽阔的远洋中 汹涌的海水将滋养物从深处翻动
By the end of winter the Seasonal Seas will be full of minerals once more,
冬天结束之前 季节性海洋将再次充满矿物质
ready for the return of the sun and the next great plankton bloom
准备迎接太阳的回归 及下次盛大的浮游生物繁衍