Give a Hoot
This type of pollution occurs when unusually warm water enters a natural aquatic ecosystem.
What is thermal pollution?
This dam is the closest to us in Henderson.
What is the Hoover Dam?
This legislation of 1972 protects our natural water systems.
What is the Clean Water Act?
This is one method of IPM (Integrated Pest Management).
What is using predators (snails, chickens, hawks), rotating crops, setting traps, physical removal, setting barriers, or very limited use of -cides?
This is the organic material in the soil that is decomposing, not something you eat with pita bread.
What is humus?
When the source of pollutant cannot be easily identified.
What is non-point pollution?
This spins because water flows from the reservoir to the river below the dam.
What is a turbine?
This describes underground water storage.
This is the most water efficient type of irrigation system.
What is drip irrigation?
Not outstanding, but this soil horizon is rich in nutrients from the decomposition of organic matter and is vital for plant growth.
What is eutrophication?
Dams have an advantages because they are considered this type of energy source.
What is renewable energy source?
This develops occurs when soil such as limestone is washed away quickly and an aquifer is exposed.
What is a sinkhole?
This is a type of fertilizer that uses decaying organic matter and often contains worms.
What is compost?
This is the smallest particle size of soil texture.
What is clay?
This is the last step of wastewater treatment.
What is disinfection?
One disadvantage of dams is this builds up behind the concrete wall.
What is sediment/soil?
This is the amount of accessible freshwater available for human use on Earth.
What is less than 1%?
This farming method will conserve soil.
What is planting cover crops, contour farming, wind breaks, native plants crop rotation, no till farming?
This soil texture is the best for agriculture.
What is loam?
In secondary treatment of wastewater, these breakdown organic matter.
What is bacteria?
This is often disrupted by dams - lucky for the predators.
What is fish migration?
This is the location of the gyre that Captain Charles Moore discovered in 1997.
What is the North Pacific gyre?
Although there are no known human health effects, using these transgenic methods has caused an overuse of certain herbicides.
What are GMOs (Genetically Modified Organisms)?
Soil starts from this and it is what makes up the R Horizon.
What is bedrock?