plants that range from microscopic single cells to massive seaweeds. Most algae
live in water.
Algal bloom an
explosion in the number of floating microscopic algae.
refers to paint and other products used on the hulls of ships, boats and other
marine structures. These products slow down the growth of marine organisms on
Growing food in the sea or freshwater habitats.
Biofouling - plants and animals growing over the
surfaces of equipment and structures eg ship hulls, piers.
On ships, water is stored in special tanks to keep the ship balanced when cargo
is moved around.
Codes of conduct
a set of rules or accepted actions.
a group of single celled microscopic algae (plants) that live in water
including the sea.
a method to break down the chemical bonds between the ships hull and marine
organisms using electrical charge.
species introduced into an environment where it does not belong. (the word
feral is also used in the same way)
species of fish or other commercial marine animal, their population and life
cycle within a region of the sea.
Food web How
plants, animals and bacteria in an ecosystem relate to each other as some
produce food from the sun and others get their energy from consuming other
Hull fouling -
plants and animals growing over a boat or ships hull.
young of some invertebrate animals. In the sea they float freely, often trying
to find a home.
International Maritime Organization is a specialized agency of the United
Nations responsible for the maritime safety of ships and crew and the
protection of the marine environment from shipping activities.
convention an agreement between countries on what they will do about
Convention an agreement between countries on accepted practices and ways
to control pollution from ships.
Sea chest a grid
covering an opening below the waterline of the hull where seawater can be
pumped into a ships ballast tanks.
TBT TBT is
short for Tributyltin, a chemical used in many antifouling paints to reduce the
fouling of ships hulls.