Term | Definition |
Name types of pollutants | oil, nuclear waste, industrial waste, intensive farming, household waste, waste waste, pesticides, septic tank, animal dung, oil spill |
Most of the pollution in the ocean comes from _____ | land based discharge |
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What are different types of chemical pollution? | Heavy metals, fungicides, herbicides, Petroleum, organic compounds and waste |
is the accumulation of a chemical when the source of chemical is solely water. | bio concentration |
refers to the accumulation of substances, such as pesticides, or other chemicals in an organism. This occurs when an organism absorbs a toxic substance at a rate faster than that at which the substance is lost. | bio accumulation |
List some pathways of pollution | discharge of waste into oceans (point), Runoff into waters due to waters (non-point), from atmosphere (dust) |
Where is nutrient input coming from? | Farms (inorganic fertilizers, animal waste), Sewage treatment plants, storm sewers |
is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both. | Eutrophication |
What are the effects of eutrophication? | increased primary production (algae blooms), Bacteria increase- causes hypoxic/anoxic zones |
This is a type of metal; Sources: volcanoes, power plants, burning garbage, industry, sewage, gold extraction
Causes disruptions in nervous system, esp. in a fetus
bioaccmulate | Mercury |
This is a type of metal; Common in environment, Sources: sewage, smelting operations, foundries,electroplating and battery factories
Greatest on kidneys
Also deformities of skeleton and severe pain | Cadmium |
This is a type of metal; Used in Roman times for pipes, coins, pottery/glazes,increase after Industrial Revolution, mostly in air
Sources: batteries, paints, fossil fuels, additive to motor oils, sewage
Strongly affects children's nervous system | Lead |
Found in refrigerants, thermal insulators
Carcinogens, suppress immune system, increase susceptibility to infection
reduce reproductive success of many classes of organisms, bio-accumulate
Found in fish, shellfish, marine mammals | PCBs |
carcinogen found in fish and shellfish-
Interferes with reproduction of birds and benthic organisms when content high in mud | Dioxin |
Three types of damaging fishing | dynamite, cyanide, small mesh nets |
Negative of effects of nuclear power plants on marine life | organisms can get caught, confusing to lost tropical fish, heat may affect plant production |
All the garbage in the ocean collects in what is known as a ____ _____. | garbage patch |
One of first global conventions to protect marine environment;
Control and prevent marine pollution
Completely banned discharge nuclear waste | The London Convention |