英⽂解说词-《七个世界，⼀个星球》S05-欧洲——————————
Europe
Europe, home to 850 million people. This is a continent that has been transformed by humanity. It is a crowded world, but not all of it. There are still precious areas of wilderness and living within them some very surprising animals. Europe.英语小短文20字
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Forest once covered 80% of Europe, now only half of it remains. A brown bear, one of only fifteen hundred that are left in Finland’s forests. Her cubs have recently emerged from their nurry den. The long summer days means there’s plenty of time for play. With two boisterous cubs, it pays to rest—whenever you can. But their mother must be on her guard. The cubs have spotted something. A large male looking for the mate. The cubs aren’t his, so he might try to kill them. Bear cubs are excellent climbers. And now they are beyond his reach 15 metres up. The mother warns him to keep his distance. The cubs are coming down too soon. She can’t take any chances. That was a clo call.
Finland’s forests give us a glimp of what Europe was once like, a land of endless wildness where large animals roamed far and wide. In the north, the continent extends beyond the Arctic Circle. Here the skies are illuminated by the aurora borealis-the Northern Lights. Trillions of charged particles ejecte
d by electric storms on the sun react with the earth’s atmosphere to create this surreal nocturnal spectacle. But by day, this is a barren land. The Dovrefjell Mountains of Norway, one of the last refuges for an animal that once lived all across northern Europe. The Musk Ox. This bull is in his prime. He protects the herd and fathers all the calves. This is a great sought after rank and that means that in the mating ason he has to deal with rivals. And here is one. Raking the ground is a warning to other males to keep away. But some ignore it. He now has no choice but to defend his crown. The challenger attacks. Each male weights nearly half a tonne. The clashes are usually short and inten but not this time. As his family looks on, neither gives in. the bull will need to draw on all of his experience. But he’s beginning to lo ground. Now he’s broad-sided. If he’s defeated, he will lo his female. With one final effort, the bull pushes the challenger back up the hill. It’s over. The old bull successfully defended his rights as head of the family. And the challenger has to return to a lonely life for another year.
One of Europe’s last remaining areas of wildness lies at its heart. A mountain range spanning 1200 kilometres across 8 countries, the Alps. Europe’s mountains may be inhospitable, but wildlife has shared this terrain with people for centuries.
It’s dusk in the mountain villages of Abruzzo in central Italy. And deep on the surrounding woods, the
rmal imaging cameras reveal the continent’s most elusive predators. Wolves, right on the edge of the village. It’s mid-winter and food is hard to come by. This pack may not have fed for a week. They can travel many kilometres a night arching for prey. Red deer（马⿅）. It’s pitch black, perfect conditions for an ambush. But even so, the odds are stacked against the wolves. One wrong footstep and they have lost the advantage of surpri. The deer scatter right across the mountainside. And to make matters wor the hunt is interrupted. The deer are now high up the mountain but the wolves u the road to travel faster and in silence. They manage to get above the herd. Now, they make their move. The pack needs to single out one animal. A wolf is more nimble in thick woodland, but deer can run faster on open ground. Once they’re clo, the pack drive the deer straight down the mountain. But now it’s more likely to stumble. And in this ca, the icy road proves fatal. But the commotion has attracted sheepdogs from the nearby village. They have been bred to protect livestock by chasing away wolves. With the kill lost to the sheepdogs, the wolves will go hungry for yet another night.
Today, much of Europe’s wildlife has to live alongside people. The most adaptable can be found in our towns and cities. Gibraltar, right on the southern tip of the continent, home to Europe’s only monkeys. Barbary Macaques. Four family troops live here. In macaque’s society, there is a strict hier
archy and status within it, is inherited. This female has just given birth to her first baby. She is at the bottom of the pecking order, so her son is too. They are bullied constantly and forced to live on the fringes of the troop. As outcasts, their only comfort is each other. He’s been snatched stolen by a higher-ranking female. She is childless and she wants a baby of her own. She’s only few metres away. But if his mother approaches, the rest of the troop could well attack her. The kidnapper has never raid a baby before, so this one is in danger. They’re headed towards a cable car tower. The young mother can’t let them out of her sight. They are 30 metres up, if she tries to grab her baby and fails, he could fall to his death. The kidnapper refus to surrender him. There’s one last thing a mother can try
and to do it she needs to recruit another macaque. Now the mother begins to groom her companion in full view of the
kidnapper. All monkeys love to be groomed even by a low ranking female. It’s the basis for peace in macaque society. Eventually the urge to join in is just too strong. The kidnap is over, and the youngster can climb back into his mother’s arms.
There are pockets of wilderness even in Europe’s cities. Green oas among the urban sprawl. Vien
na in Austria has over 2000 parks, gardens and cemeteries. And down in the undergrowth, a rather unusual resident. A European hamster. Wild hamster are found in grasslands throughout central Europe. Here in the city, they’re doing extremely well. This male is on a mission to find food. And he’s t his sights on one thing in particular-fresh flowers. To survive the winter, hamsters must fatten up. So there’s no time to waste. The only problem, the flowers are in someone el’s patch. Graveside bouquets are worth fighting for. The winner gets to keep the territory and all the food within it. The lor has to beat a hasty retreat. But the lure of fresh petals is just too much. Plan B-stealth mode. The coast looks clear, but best not take any chances. The trick is to get in and out before you’re caught. And now, desrt. Candle wax-it’s full of oil and high in calories. A
hamster’s cheeks can hold a quarter of its bodyweight. Just one more mouthful. Oh, dear! Big cheeks and narrow bottlenecks. How very embarrassing. Mission accomplished.
Europe’s landscape has changed dramatically, but its temperate climate is still good for wildlife. The continent has warm summers and mild winters. The conditions are a conquence of its position on the globe and the influence of the Gulf Stream. The current of warm water in the Atlantic Ocean heats the air that then flows over the land. And every year,
触电急救方法>社会实践心得Europe’s unique climate helps trigger an extraordinary natural event. The Tisza River in Hungary. For a few days in June, when day-length and water temperature are just right, the largest of all mayflies emerge. After 3 years of feeding and growing on the riverbed, the males appears first. With new wings they can fly to the riverbank and there undergo a final moult. Now xually mature, they have just one purpo in life-to find a female. Each male has only 3 hours to live. And now the females begin to emerge on the surface of the river. The male scour the water surface arching for them. Each desperate to be the one that fertilizes her eggs. Every female is pounced on as soon as she appears. With only minutes left for each male to live the competition becomes increasingly urgent. And all too soon, the male’s time is up. All of them die. But the females’journey has only just begun. Now that they’ve mated, they start to fly upstream and continue for as much as 5 kilometres. At the height of the hatch there may be as many as ten million incts on the wing. Exhausted, the females now collap and rain down onto the water surface. And as they hit it, each releas thousands of eggs. As the eggs slowly sink, they drift downstream, so that by the time each reaches the riverbed, it will be in exactly the same spot that its parents emerged. Just hours after the first mayflies appeared, this great eruption of life is over.
Europe’s extensive waterways are a haven for wildlife. One of the richest of its wetlands lies on the e
dge of the Black Sea in Romania. The delta of the Danube River. Migrating birds are drawn here from as far away as central Africa and Asia. Great white pelicans. Every summer, three quarters of the world’s population flock to the delta. They’ve flown thousands of kilometres to get here, and they will spend the summer feasting on the delta’s riches. To find the best fishing, they take to the air. From half a mile up, they arch the entire delta 200 miles across. They can’t e individual fish from this height so instead they look for others below that have already done so. Cormorants. They are diving deep to reach the biggest shoals, flushing them to the surface. A couple of pelicans land and others soon home in on them. The pelican don’t join the feast directly, they mug the diners. This brutal tactic enables each pelican to catch many more fish more quickly than it would do if it worked by itlf. Once the shoals of fish have been plundered and disperd, the cormorants make their escape. And the pelican pirates fly off in arch of their next meal. Water has shaped Europe’s landscape in another way.
There is a vast wildness lying within the rocks of the continent, caves. Over 12，000 have been discovered in Slovenia’s
Karst region alone. Each has been eroded by water over millions of year, and shaped drip by drip. The largest cavern is 25 kilometres long and there are certainly many more still to be discovered. Do
戒烟英语wn here, live some of the most specialized animals on the planet. New species of them are discovered in Europe’s caves every year. This is a world that still holds many crets. In the deepest pools lurk animals that were once believed to be baby dragons. They have feathery gills which enable them to breathe underwater as well as on land. They are olms. They are completely blind, but nsory pits around the mouth enable them to detect the faint electrical currents emitted by their prey. Food of any kind down here is hard to come by, but an olms can go without a meal for a decade and live for a century. The olms world has remained virtually unchanged for millennia. Above however, Europe has altered beyond recognition. Its landscape has been transformed by humans. Protected wilderness now covers less than 4% of its surface. The disappearance of wilderness has had catastrophic conquences for wildlife. One fifth of Europe’s animals are now under threat. Some teeter right on the brink with extinction. The Iberian lynx. One of the world’s most dangerous cats. In less than 2 decades decread by nearly 90%. At one point, there were fewer than a
hundred individuals.
Today, their last stronghold is in the mountains of the Sierra d’Andujar in southern Spain. Here, a natural park was created
to help protect the lynx. Only 40 kilometres across. It is small, but for this male it’s just enough. He’s lived here all his life. At 10 years old, he’s reached a remarkable age for a wild lynx. Once percuted, he’s now protected. For this old male and Europe’s entire lynx population, this could be the beginning of a new chapter. For this year alone, nearly 200 kittens have been born and the population has rin to over 700. But the fate of the Iberian lynx and indeed of all Europe’s wildlife is far from certain. The continent has now been so changed by humanity, that many of its animals species are under threat. Only by protecting the few wilderness that remain and creating new wild spaces. Can we ensure a future for Europe’s precious wildlife.
Dec 12, 2019
长沙高考
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By. MZL
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