Exam 4: Quiz questions

According to the IPCC Special Report on warming of 1.5°C : Global net emissions of carbon dioxide need to fall by 45% from 2010 levels by 2030, and reach "net zero" around (type in a year) in order to keep the warming around 1.5 degrees C.

2050

What chemical (which used to be found in refrigerators and aerosol cans) is primarily responsible for ozone depletion?

CFCs

Which federal agency took a lead in restoring endangered wildlife habitat in Florida?

Department of Defence

T/F - Everyone has equal access to natural resources.

False

T/F - Managing habitat to benefit one species will also help all the other species in that area.

False

T/F - Of the total cropland acres in the United States, the majority (>50%) of those acres are used to grow the food we eat

False

T/F - the Unites States leads the world in wind energy production?

False

T/F: Wildfires are always destructive, no ecosystems are adapted to them.

False

The classic case of photochemical smog in North America was where?

Los Angelos, CA

Which of the following is TRUE about Prairie Strips?

Prairie strips are intentionally placed to cross a field to intercept water flow

Iowa is #2 in total wind energy production. Which US state is #1?

Texas

How do windmills kill bats?

The low pressure on the downwind side of the windmill is enough for their lungs to explode

Why has there been a reduction in U.S. CO2 emissions since the peak in 2007?

a switch from coal to natural gas use

Ecosystem management involves long-term planning on a landscape scale. What do we mean by landscape scale?

at least one watershed in size

An underground bed of wood chips that helps remove Nitrogen from water before it is released from tile drainage (and thereby improves water quality coming off a field) is called a:

bioreactor

conventional air pollutants

carbon monoxide (CO) and sulfur oxides (SOx)

Where do CO and NOx come from?

cars

Starch versus cellulosic ethanol production: which is slower and more complicated (and requires special enzymes)?

cellulosic ethanol

The Federal Aid in Wildlife Restoration Act of 1937 (also called the Pittman-Robertson Act) charges a Federal excise tax on what type of goods? - (and uses that money to pay for wildlife conservation activities)

firearms and ammunition

The four universal habitat requirements that all animals need are:

food, water, cover, space

Whick kinds of birds have suffered the most drastic declines?

grassland species

Who pays for wildlife conservation?

hunters pay more (consumptive users)

Where did hunting ethics come from?

hunters themselves

greenhouse gasses

methane (CH4) and carbon dioxide (CO2)

Which of the following is NOT an expected consequence of a 2.0 to 4.0° C global warming?

more glaciers

Which type of fire can keep an ecosystem at a set stage of ecological succession (ie not re-set the system to a fully disturbed site, nor allow it to succeed to the next stage)

surface fire

Name one HEC (herbaceous energy crop) discussed in this lecture.

sweet sorghum switchgrass restored prairie prairie Miscanthus corn sorghum switch grass

What is the current minimum mandated distance for riparian buffers in Iowa (how wide of a buffer of natural vegetation must you leave alongside a stream)?

there is no minimum distance mandated in Iowa