单词:sonar for fisheries
单词:sonar for fisheries 相关文章
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The Supreme Court says it is going to review a lower court ruling protecting marine mammals from Navy sonar. NPRs Martin Kaste has more. For years, environmental groups have argued that the Navys high-intensity, submarine-tracking sonar can disorien
[01:36.60]【铁 达 尼 号】 [02:18.36](Sonar Pings) [02:21.60]Man: 13 meters. You should see it. 距离13公尺,应该看得见了 [02:33.84](Sonar Pings) [02:38.52]Okay, take her up and over the bow rail. 越过船头的栏杆 [02:39.20](Over
Fishing has long been an occupation where most workers are men. Yet a recent study found that women are responsible for a substantial part of the worlds fishing industry. The study suggests that their work in fisheries is changing. Women have jobs pr
非法捕鱼危害渔业健康发展 The world's fisheries are a natural resource that provides employment for over 300 million people and food for billions. Worldwide, fisheries support a $250 billion global economy. Yet despite their great importan
Marine Biologists and volunteers in Key Largo are working to save the survivors of a group of dolphins that beached themselves last week in the Florida Keys. Invesigators are trying to determine if sonar from a nuclear-powered submarine played a role
Scientists try to document as many past El Nino events as possible by piecing together bits of historical evidence, such as sea-surface temperature records, daily observations of atmospheric pressure and rainfall, fisheries records from South America
Transcript This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its fairly well known that fish stocks are collapsing around the world. But theres a management method that appears to offer long-term envir
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
And they have the blemish both front and rear from a facet where the opposite tooth interlocked with it. 在牙齿前后的齿面都有缺陷就是与对面牙齿相交错的地方。 What happens is that the root is anchored well into the lower jaw.
The sperm whale hits him dead in the centre of his body throwing the Megalodon's enormous weight in a tumble motion under the ocean. 抹香鲸结结实实地撞中它的身体中间,把巨齿鲨庞大的身躯撞得在海洋中翻滚。 The Megalod
ENVIRONMENT REPORT - November 22, 2002: Compromise on U.S. Navy Sonar By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. The United States Navy has agreed to temporarily limit testing
ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav
The US announced on Wednesday that it will support a ban on the international trade of Atlantic bluefin tuna. The announcement comes prior to this month's meeting in Qatar of the Convention on International Trade in Endangered Species of Wildlife Fau
This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Traditional fisheries may no longer be the world's most important provider of fish. A new United Nations report shows that fish farming or aquacultur
AS IT IS 2016-01-24 Fake Reports of Fish Caught Harms Economy, Environment 过量捕鱼危害经济和环境 The amount of fish caught worldwide is much larger than has been reported. And that could mean serious problems for the environment and natio
NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc
Officials from around the world are meeting this week to discuss protecting the worlds oceans amid climate change and overfishing. The Global Oceans Action Summit for Food Security and Blue Growth is being held in The Hague. The summit runs through A
Debris from the Rena has reached beaches in the Coromandel. There are bags of milk powder, plastic and rope on the beaches and broken containers. The sea around the Rena is white from broken bags of milk powder. There is also oil for about 3km around
The Minister of Fisheries controls the fishing quotas for commercial fishing. Yesterday the Minister said that the quota for Hoki will increase from 120,000 tonnes to 130,000 tonnes. This is because the Ministrys scientists say the numbers of Hoki in