Ballast

An invasive species can be introduced to a new area via the ballast water of oceangoing ships, intentional and accidental releases of aquaculture species, aquarium specimens or bait, and other means.

Invasive species can be introduced to an area by ship ballast water, accidental release, and most often, by people.

Zebra mussels arrived in the mid-1980’s in ship ballast water from the Black and Caspian Sea region, and have become a major threat to wildlife, navigation, and boating.

Scientists say the invasive species arrived in the Mediterranean from Asia in the ballast of cargo ships, creating an “environmental nightmare.”

“Oh, for the-- how much did you waste on that little boondoggle?” “Well, it's not that so much as--” “Krieger.” “Well, I needed ballast, and what better to simulate bricks of cocaine than, you know, bricks of cocaine.”

With 73 minutes gone Rafael Márquez came on to add ballast at the back, appearing in his fifth World Cup aged 39 and with alleged links to drug trafficking, which he denies, on hold for now. And so they sat deep with a thin green line of five defenders ranged across their own penalty area as the game became a Mexican stand-off, attack versus defence.

It [piety] is the right ballast of prosperity.

The task of a Railway Construction Company, R.E., is to lay and ballast the track; [...].

Although the track is ballasted, it does not prevent clouds of reddish dust from the laterite soil blowing about when the train is in motion; after a journey with the windows open a bath is a necessity!

The noosance was […] that to make the umbrella effective he would have to carry abroad such weight to ballast it as would put the whole contraption out of action for carrying abroad at all.