Ecological Footprint & Butterfly Population Terms Guide

What type of species are most unidentified?

Microbial species.

What is doubling time?

The number of years needed to double a population

What does humus mean?

It means organic material

Why is calcium and magnesium not susceptible to leaching?

Because they bind to organic matter.

What does the O in O horizon stand for?

It stands for organic

The quantity of organic matter is about how many percent?

A few (single digit) unless in organic soils.

What is the main difference between measuring human and environmental health?

The indicators are different, and the environment is much more complex.

What unit is Ecological footprint measured in?

Hectares of land.

7 steps of the scientific method

1. observation

2. hypothesis

3. prediction

4. test prediction

5. accept, revise or reject the hypothesis

6. report findings

7. replication

The first individuals to respond to the Mono Lake crisis is ?

Ecologists

What issue would an opponent of the Everglades Landscape Model point out?

Short-term Economic development, restrictions on private property

What level or field of the environment focuses on integration of living and nonliving?

Ecosystems.

All dogs are what species?

Canis familiaris

What is the definition of abiotic factors/ conditions?

Physical and chemical factors that influence life.

Definition of niche?

the role an organism plays in a community

Ecologists study Organ Cave as a

input output system for water and energy

Primary productivity is

the rate of biomass production

Why is there solar flux?

Sunlight hits at different angles so energy distributed varies.

What biome has the lowest precipitation and coldest annual temperatures?

Tundra

What organism produces most of the energy available to freshwater communities?

Phytoplankton

What process takes carbon up from atmospheres and oceans?

Photosynthesis

What is the leading cause of water pollution in the United States?

Pathogens

How much of the world is considered obese?

1 billion, 1/8

What is a major cause of modern-day global starvation?

Inaccessible food prices

Tilling does not lead to

better water retention

List of irrigation types

1. Furrow

2. Flood

3. Spray

4. Drip

What is a direct cause of overfishing?

High Quotas

What is not allowed in a marine protected area?

Oil drilling or laying of cables

Parts of a marine protected area.

1. Marine reserve: fishing allowed

2. No-take marine reserve: no taking of plants or animals

Sustainable forestry has _____ in natural forests and _____ iun plantations?

selective logging in natural forests and monoculture in plantations

What aspect of butterfly populations was logging found to affect in Borneo?

Community- level ecolgy

Forests cover about ______ percent of the Earth?

38%

What plantation replaces old growth trees?

Monoculture

How much of the world's forests are managed for wood production?

25%

What primary greenhouse gas is released by forest fires?

CO

Predictive air pollution model hels

narrow public health initiatives

What is fuel economy?

The number of miles a vehicle can travel per gallon of gas

What is passenger miles?

no. of passengers x no. of miles

What process is used to extract petrol from the ground/

Well pumping

A fission reaction is also known as

radioactive decay

What biome would decomposition occur fastest?

Tropical rainforest: hottest and humidest

What type of organic matter does not undergo aerobic decomposition?

Wet

What may dramatically disrupt the distribution of heat on Earth?

Changes in ocean currents.