Sentences with phrase «in ballast water»

Both the problem of hitch - hikers finding a ride in the ballast water, and the frequency of trips between ports giving invasive species a stronger foothold in a new area are items to be dealt with, but the mapping showed that the former is more an issue among oil tankers and dry bulk carriers and the latter is more an issue among cargo ships.

Other potential impacts of shipping are ship strikes on mammals, introduction of alien species through fouling and in ballast water, disruption of migratory patterns of mammals, noise, and garbage and other debris.

The Maritime Administration, along with the Maritime Environmental Resource Center and Maryland Port Administration, has dedicated a new facility to study the effectiveness of technology to treat invasive species in ballast water.

Ships can globally transport pathogenic microorganisms in ballast water.

The bacterium that causes the human disease cholera can be transported in ballast water.

Cysts of many species of toxic algae have been found in ballast water and in sediments in ballast - water tanks.

Much attention has been given to migration of vermin on board ships, and the transport of larger organisms such as algae and jellyfish in ballast water.

In other cases, human activities are involved in the HAB expansion, such as the inadvertent transport of algal species — or their cysts — from one region to another in ballast water.

A United Nations treaty agreed in 2004 requiring ships to install kit to kill off biological stowaways in their ballast water has still not been ratified by enough nations to come into force.

Australia is inspecting all ships from South America and parts of Asia to prevent the introduction of cholera in ballast water.

First noticed near the Great Lakes around 1988, these mollusks presumably arrived in the ballast water of ships coming over from Europe.

It has caused tremendous damage to fisheries in the Black Sea after arriving in ballast water from its original habitat along the East coast of North America.

The recent infestation of nonnative zebra mussels throughout North American waters was probably started by ships carrying the shellfish in ballast water.

Large - scale production resources, strong partnerships and a well - developed service offering make Alfa Laval the confident choice in ballast water treatment.

Not exact matches

Ambient Water, a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation sysWater, a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater produced from Ambient's atmospheric water generation syswater generation systems.

San Diego, CA — Ambient Water (otc pink: AWGI), a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation sysWater (otc pink: AWGI), a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation syswater produced from Ambient's atmospheric water generation syswater generation systems.

Gillibrand touched on invasive species in the area, referring to the zebra mussel, saying the federal government has to make sure ships are not dumping ballast water in the Great Lakes.

Humans travel with a veritable army of hitch - hikers: marine plants and animals that float in a ship's ballast water; rats, bugs, and other creepers (and slitherers) that stow away in cargo planes.

The goal was to map the ports and routes most likely to carry invasive species hitching a ride in ships» ballast water, which is drained or pumped in at ports to balance a ship's changing cargo load.

Researchers map the ports and routes most likely to carry invasive species in ships» ballast water.

The notorious sea creature shipped around by ballast waters devastated Black Sea fisheries in the 1990s.

Scientists say that Mnemiopsis probably reached the Adriatic via ballast waters — something a new international treaty that comes into force next year should hopefully prevent in the future.

A ballast system took in and released water to help sink and raise the habitat, which was designed for easy towing.

It is one of the best - documented alien invaders, arriving in oil tanker ballast water from the American Atlantic in 1982.

Ballast water has also transported cholera and may have contributed to a 1991 outbreak in South America.

And in 2011, the EPA finally mandated treatment systems for overseas ships discharging ballast in U.S. waters.

The problem was about 90 percent of the ships arriving in the Great Lakes from foreign ports at that time came fully loaded with cargo and therefore did not officially carry any ballast water.

«It's like blowing the water out of a ballast tank in a submarine.»

He noted that it's been 10 years since the international ballast water convention was signed, and it's still not in force.

There is a separate IMO international convention on management of ballast water — signed in 2004 — that would come into force when ratified by a required number of 30 states.

Dreissena polymorpha: The zebra mussel, introduced accidentally from Europe in the 1980s in ships» ballast water, now lives throughout the Great Lakes and the Mississippi River.

Among other things, they have established a partnership on ballast water with the Danish Maritime Administration and the Danish Shipowners Association and, as one of its activities, the partnership organised an international conference in Copenhagen on 1 November.

The UN's International Maritime Organization (IMO) is on the verge of entering the Ballast Water Management Convention into force, but this will not happen until 12 months after countries with a combined total of at least 35 % of the World's commercial fleet (measured in gross tonnage) have ratified the Convention.

In addition to ballast water, biofouling on the hulls is also a source of introduced species.

The stowaways can arrive either as biofouling on the outside of the ships or via water in the ballast tanks.

To prevent maritime invasions, some countries require ships to exchange their ballast water in midocean.

In addition, researchers are looking at ways to heat (Science, 14 July 2000, p. 241) or filter ballast water.

Last year, for instance, a team led by aquatic ecologist Gregory Ruiz of the Smithsonian Environmental Research Center in Edgewater, Maryland, found that ballast water from ships entering the Chesapeake Bay contained Vibrio cholerae, the bacterium that causes cholera.

The organisms can cause havoc to marine life in the ports where ballast water is off - loaded, because their natural predators are not there to keep them in check.

The continued development of maritime transportation around the world, especially in new areas such as the Arctic, can increase conservation impacts to wildlife, including disturbance, fatal strikes, introduction of pathogens through ballast water, habitat destruction through anchoring (especially on corals), introduction of invasive species, air emis ¬ sions, noise, and fuel spills.

Until recently it was thought that water would have to be heated to as much as 45 °C, but according to Paterson, it may only have to be between 2 °C and 5 °C above the temperature of the water in the ballast tanks to kill off potential invaders.

In the next few weeks, the research arm of Australia's largest company, BHP, will carry out tests on heat treatments to sterilise ballast water, using the water that cools the ship's engines.

Scientists are also investigating why outbreaks of exotic organisms have been reported only in the past 20 years, when water has been used as ballast for more than a century.

In 1991, the IMO adopted guidelines which recommend that ships should avoid taking on ballast in shallow areas and during toxic blooms of marine algae; keep accurate records of where and when ballast is loaded; exchange ballast water at sea, where toxic organisms are rare; and discharge sediments into approved areas at the port of destination («End of the line for deadly stowaways», New Scientist, 24 October 1992In 1991, the IMO adopted guidelines which recommend that ships should avoid taking on ballast in shallow areas and during toxic blooms of marine algae; keep accurate records of where and when ballast is loaded; exchange ballast water at sea, where toxic organisms are rare; and discharge sediments into approved areas at the port of destination («End of the line for deadly stowaways», New Scientist, 24 October 1992in shallow areas and during toxic blooms of marine algae; keep accurate records of where and when ballast is loaded; exchange ballast water at sea, where toxic organisms are rare; and discharge sediments into approved areas at the port of destination («End of the line for deadly stowaways», New Scientist, 24 October 1992).

While the marine life in ships» ballast water and attached to ship hulls explains the invasion of many species in the sea, the forams, and similar bottom - dwellers not found in the water or attached to hulls, are believed to be rarely moved by ships.

Julian Parker, secretary of the Nautical Institute in London, says that stress is also introduced if a ship's pumps can not discharge ballast water fast enough to compensate for the increasing weight of cargo.

The Mediterranean, the world's busiest sea, has 900 alien species in its waters, mostly discharged from ballast tanks.

Ships take water on board after offloading cargo and discharge the ballast when they take on a new load — often in a port thousands of kilometres away.

The 70,000 or so vessels that would be covered by the treaty transport more than 7 billion tonnes of ballast water round the world each year, says David Smith, head of technical services at the Plymouth Marine Laboratory in the UK.

These biological time bombs were meant to be defused by a UN treaty agreed in 2004 requiring big ships to filter and disinfect ballast water before dumping it.