Ecological Footprint
One hectare is how many acres
What is 2.5 acres?
Name a benefit of crop rotation
Decrease success of pests / diseases
Maintain soil nutrient profile
Name a benefit of aquaculture
Requires only small amount of water, space, & fuel
Reduces risk of fishery collapse
Produces large amounts of protein/nutrients year-round
Doesn’t take up any land space
Invasive species tend to have these two characteristics
What are R-Selected & Generalists
Urbanization has this effect on temperatures
What is that they increase
This change in biodiversity indicates the environment is being used sustainably
Increased biodiversity
What is intercropping
2 plants grown next to each other that have a synergistic effect (they benefit each other)
The process of replanting forests is called this
What is reforestation
This law banned transport of illegally harvested plants and animals
What is the Lacey Act
Name a method to reduce urban runoff
Permeable/porous pavement
Planting trees in strips/sidewalk boxes
Rain barrels
Incorporating urban gardens or buffer strips along waterways
Controlling litter via stricter fines or cleanup programs
Define sustainability regarding resource use
Consuming a resource in a way that doesn’t deplete/degrade it for future generations
Introducing a natural predator to a pest is called this
What is biocontrol?
Name a drawback of aquaculture
High-density → high conc. of waste (N, P, e. coli, antibiotics, & eutrophication risk)
Increased disease risk
Introduction of non-native species
Name a cause of natural endangerment
Starvation
Being outcompeted by other similar species
Excessive predation
Natural disaster
Loss of habitat through natural means
Impediments to mating
Name a benefit of a prescribed burn
Small, controlled fires burn lots of dead biomass
Promotes nutrient recycling
This change in atmospheric temperature and CO2 concentration indicates the environment is not being used sustainably
What is an increase
Name a sustainable agriculture method that decreases soil erosion
No-Till agriculture
The world loses a soccer field size area of tropical rainforest every ___ seconds
What is 6
To protect endangered species, what human activity is often criminalized?
Poaching
This law prohibits killing any marine mammals in the US and any import/export of MM body part
What is the Marine Mammal Protection Act?
While carbon footprint is measured in tons of CO2, ecological footprint is measured in this
Hectares of land
This type of crop does not need to be replanted every year
What are Perennial Crops?
Name a negative effect of natural fire suppresion
Leads to more biomass buildup (larger/ even-aged/density)
Fire in-tolerant species
This law authorizes the USFSW to determine which species can be listed as threatened or endangered
What is the Endangered Species Act
What is threatened?