Marine pollution ppt

Post on 10-Jan-2017

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MARINE POLLUTIONA PRESENTATION BY

HARATISOWMYASRAVYAHANEESHA

ECE-B

WHAT IS A POLLUTION?

Pollution is the introduction of contaminants into an environment that causes instability ,disorder ,harm or discomfort to the ecosystem i.e. physical systems or living organisms.

WHAT IS MARINE POLLUTION??

CAUSES OF MARINE POLLUTIONMost sources of marine pollution are land based.

The pollution often comes from nonpoint sources such as agriculture runoff and wind blown debris.

Ways Of Pollutants InputThere are five main types of input of pollution

Direct discharge of waste into the seas,Runoff into the water due to rainShip PollutionAtmospheric Pollution Deep Sea Mining

DEEP SEA MINING

MAJOR IMPACTS OF MARINE POLLUTION.

EUTROPHICATIONTOXICITY

SEA CREATURES AFFECTED BY MARINE POLLUTIONMany sea creatures are being

affected by this marine pollution.Direct consumption of plastics

may sometimes causes death of creatures

Under water ,noise affecting mammals…

Marine dumping is one more major impact which pollutes sea.

Ship accidents and accidental oil spillages at the sea can be very damaging to marine environment.

MAJOR MARINE POLLUTANT-OIL

•ABOUT 70% OF OIL SPILLS ARE DISCHARING DIRECTLY IN SEA.

MAJOR MARINE POLLUTANTS

By these ultimate affects on sea many conventional acts are being introducing.

Convention for the Prevention of Marine Pollution by Dumping from Ships and Aircrafts (1972) THE OSLO CONVENTION.Convention for the prevention of pollution from ships (1973) MARPOLConvention for the protection of the sea environment the North-Atlantic (1992) THE OSPAR CONVENTION.

ITS NOT ENOUGH BY HAVINGSUCH ACTS ,ITS ALSO NECESSARY TO FOLLOW SOME PREVENTIONAL TECHNIQUES IN OUR HANDS.

If we throw a piece of trash into the ground . it could travel through the storm drains and at last into sea…

An Ounce Of Prevention Is Worth A Pound Of Cure