单词:single species dominancy forest
单词:single species dominancy forest 相关文章
69 非洲象与亚洲象之间的差别 SCIENCE REPORT - September 19, 2001: African ElephantsBy Nancy Steinbach (Start at 1'02
Scientists Work to Save Puerto Rican Parrots Scientists are trying to save Puerto Rico's endangered Amazon parrots after Hurricane Maria destroyed the birds' habitats and food sources. El Yunque is a large national forest on the eastern part of Puert
[00:02.31]Forests [00:03.63]The world's forests are the natural habitats [00:05.99]for millions of species of plants, [00:08.33]insects, birds, reptiles and mammals. [00:11.68]They also help produce clean oxygen. [00:14.47]Because of illegal logging,
SUMMARY: After their victory in the 74th Hunger Games sparks a rebellion Katniss and Peeta become targets of the government. DIRECTOR: Francis Lawrence WRITER: Suzanne Collins (book) Simon Beaufoy and Michael Arndt (screenplay) STARRING: Jennifer Law
You may have thought that the age of exploration was over. But you would be wrong. The world is a big place and even in this modern age we are still finding hidden cornersplaces untouched by humans. Thanks to our modern age exploring has become a lot
Brazil is a country in South America. It covers almost half of South America and is the fifth largest country in the world! Because the country was first a colony of Portugal, the main language is Por
Looking at a rainforest from high in the sky, you might think all the trees look about the same. 从天空高处向下看热带雨林,你可能会觉得所有的树木都是一样的。 But they are not. 但它们是不同的。 Take, for example,
New Orangutan Species Discovered in Indonesia Scientists say they have discovered a new species of orangutans on Indonesias island of Sumatra. 科学家表示,他们在印尼的苏门答腊岛上发现了一种新的猩猩物种。 The population d
AS IT IS 2014-09-26 Deforestation Is a Threat to the Amazon 滥砍滥伐对亚马逊热带雨林是一种威胁 The country of Brazil is home to the worlds largest rainforest the Amazon. A rainforest is a kind of forest that receives at least 254 cen
Cameras Capture Pictures of Mysterious Bush Dog 科学家拍摄到神秘动物薮犬图片 Scientists say they have captured photographs of one of the most mysterious known animals: bush dogs. 科学家称捕捉到最神秘动物薮犬的图片。 Bu
Tree Deaths Linked to Climate Change Stanford University graduate student William Anderegg has seen this forest die-off firsthand. His doctoral thesis documents the impact of drought on trembling aspen, the most common tree in North America. These ar
Dwindling West African Rainforest Threatens Long-Term Food Security In West Africa, the Guinean Rainforest is rapidly disappearing. A new study says increased production of cocoa, cassava and oil palm has meant more land is being cleared for agricult
Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in
Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in
Some of these mountains in northern Mozambique have never been studied by scientists until now. The British government funded Darwin Initiative has sponsored a series of expeditions to five northern Mozambique(莫桑比克) mountains. Scientists have
China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.
The Jinuo people are incredibly knowledgeable about their forests, and claim to have uses for most of the plants that they find there. They have names for them all, those good for eating, and some which even have strong medicinal qualities. By workin
吃过必胜客吧?那你听说过必剩客吗?知道这个词儿是什么意思吗?不知道,那你可就out了。提示一下,这个词跟现在很惹眼的剩男、剩女有关系。现在,大概猜到是什么意思了吧?对,就是
We also then went to look at what are these molecules -- these were the red triangles on my slides before. 我们同时也研究了这些小分子,这些就是我刚才幻灯上的小红三角形。 And so this is the Vibrio fischeri molecule. This
Voice 1 Thank you for joining us for todays Spotlight. Im Joshua Leo. Voice 2 And Im David Bast. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In the ea