A microwave system that kills "invasive species" lurking in ships' ballast water is developed by a team of US researchers.
... , as global trade increases, the problem will only get worse.
"Ships unload their ballast water from all over the world, and with it all kinds of exotic, invasive species, from viruses and bacteria ...
... said. People need to be aware of the risks of spreading harmful invasive species and such ballasts should be more tightly regulated or possibly banned, he said. In one simple preventive measure, ...
... risk to public health.
“Vibrio cholerae, which causes cholera in humans, can be carried in ballast tanks,” said Professor Dobbs. “There have been no known outbreaks of disease associated with ...
... balanced as it crosses the open ocean. Upon its arrival into another port, the crew pumps the ballast water and any small animals or plants living in that water—sometimes thousands of organisms per ...
TRAVERSE CITY, Mich. (AP) -- Foreign species that slipped into the Great Lakes in ballast tanks of oceangoing cargo ships cost the regional economy at least $200 million a year, according to a ...
Foreign species that slipped into the Great Lakes in ballast tanks of oceangoing cargo ships cost the regional economy at least $200 million a year, according to a University of Notre Dame study ...
... also increases the likelihood of non-native species invading the lakes by hitching a ride in ships' ballast water. Since the 1959 opening of the Seaway, an estimated 57 plant and animal species have ...
... Invasion of alien species carried by ships' ballast water
"Overfishing, the result in part of illegal, ... waters require very strict standards for ballast water exchange, fuel content, discharge ...
... stop for whaling and pirate ships heading out across the ocean to jettison their tortoise "ballast." Before they could retrieve the tortoises on a return trip, they the animals likely wandered and ...
... the team studies were brought to North America by early European colonists, probably in the ships' ballasts or in plant soil. In northern North American forests the settlers found land devoid of such ...
... Sweden. The species, which originates from the Black Sea and probably spread to the Baltic via ballast water, has been found in the Gulf of Gdansk since 1990, in the southern Baltic. Today it is one ...
... of its kind in Sweden. The species, which originates from the Black Sea and probably spread to the Baltic via ballast water, has been found in the Gulf of Gdansk since 1990, in the southern Baltic.
... ," says Aronson. "And increasing ship traffic is introducing exotic crab invaders. When ships dump their ballast water in the Antarctic seas, marine larvae from as far away as the Arctic are injected ...
... of Mechanical and Aerospace Engineering Andre Mazzoleni, studied whether an asteroid-tether-ballast system could effectively alter the motion of an asteroid to ensure it missed hitting Earth. The ...
