rearing aquatic animals or cultivating aquatic plants for food
primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
an immediate increase in the amount of algae and other producers that results from a large input of a limiting nutrient
organisms or components of organisms that are used to assess the health of a water system
A substance (as a dye) used to show visually usually by its capacity for color change, the condition of a solution with respect to the presence of free acid or alkali or some other substance.
Chemical added to water during the treatment process, which causes pollutions to stick together and sink to the bottom.
the strength of a solution
the preservation and careful management of the environment and of natural resources
Any foreign components in a substance such as water
the removal of salt (especially from sea water)
oxygen dissolved in water, dissolved oxygen is important for fish and other aquatic animals
a temporary shortage of rainfall
an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
chemicals that provide nutrients to help crops grow better
a device for showing the operating condition of some system
Waste products from an industry entering a water system or the air.
a way of supplying water to an area of land
A biotic index uses the presence of specific ________ to determine whether or not a stream is healthy.
Special compounds containing nitrogen and oxygen
pollution that comes from many sources rather than from a single, specific site
a resource that cannot be reused or replaced easily (ex. gems, iron, copper, fossil fuels)
Nutrients flowing into an area.
a chemical used to kill pests (as rodents or insects)
(chemistry) p(otential of) H(ydrogen)
mineral salts containing the element phosphorus
Used to determine the health of a water system, temperature, dissolved oxygen , pH, turbidity.
Point source pollution
Pollutants discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).
waste matter that contaminates the water or air or soil
(parts per million) The amount of acidic particals in water are measured by this.
A white + black plate-sized disk attached to a rope, that when lowered down into the water measures turbidity.
matter deposited by some natural process
large tank where solid matter or sewage is disintegrated by bacteria
facility consisting of a system of sewers for carrying off liquid and solid sewage
A philosophy that holds that humans have a unique responsibility to manage, care for, and improve nature.
the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
harm to lakes and rivers resulting from the release of excessive waste heat into them
the measurement of water cloudiness; it may be affected by such things as sediment and plankton concentrations
Is water that contains waste from your home or industry that must be treated before you can drink it
used to describe the health of a water system