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Test your basic knowledge |
DSST Environmental Science: Land Use
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Subjects
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dsst
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science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Locally-based socio-economic model of agriculture and food distribution. also refers to a particular network or association of individuals who have pledged to support one or more local farms - with growers and consumers sharing the risks and benefits
Protein (usually)
Smelting
Malnourishment
Community supported agriculture (CSA)
2. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Strip mine
Why malachite was originally left behind as tailing from copper mines
Advantages & Disadvantages of Subsurface mining
3. Manages resource harvesting so as to minimize impact on ecosystem and ecological processes that provide the resource - Advantages: can protect certain areas; can restore habitats; considers surroundings; allows timber harvesting while preserving inte
Advantages & Disadvantages of surface mining
Ecosystem-based Management
Strip cutting
Current Population/ 2100 projects of world population
4. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Current Population/ 2100 projects of world population
Naturally occurring pesticides
Food security
Biological control (alternative to pesticides)
5. Choosing valuable trees only - lots of reseeding - transportation is hard.
Pest management
Fertilizers
Economic services
Selective cutting
6. A variation of clear-cutting in which a strip of trees is clear-cut along the contour of the land - with the corridor narrow enough to allow natural regeneration within a few years. After regeneration - another strip is cut above the first - and so o
Strip cutting
Ecosystem-based Management
Dangers of Biological control
Biological control (alternative to pesticides)
7. A single piece of land gardened collectively by a group of people.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Sustainable Forestry
Community garden
Strip mine
8. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Pesticides
Clear-cutting
Selective Cutting
Smelting
9. Clear cutting - Strip cutting - selective cutting
Types of forestry
Food security
Pest management
Artificial Organic compounds
10. Cut trees shortly after they go through their fastest stage of growth (which is during their intermediate age) - Advantages: maximizes timber production over time - Disadvantages: trees get cut before they mature; alters forest ecology; eliminates ha
Strip cutting
Maximum Sustainable Yield
Manmade nitrogen fertilizers
Nitrate
11. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
How corn yield has changed in the United States since the 1920s
Monoculture
Manure/compost
Pesticides
12. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Surface mining
Food Aid
Artificial Organic compounds
Bt Corn
13. Soy beans have been genetically modified for better traits. 'Round up Ready' soy beans have made it so that weed killer 'round up' can be sprayed around the plants and kill all the weeds but not the soy bean plants. 'round up ready soy beans' were cr
Selective cutting
Effect of Monsanto on soybean farming since 1994
Plowing
Types of forestry
14. Recycle batteries - Send large amounts of metal to scrap yards/businesses instead of to landfills (ex. cars - fridges - dishwashers - etc.) - Recycle old electronics like phones and computers to prevent more mining of minerals like tantalum that are
Effect of Monsanto on soybean farming since 1994
Things people can do to avoid depleting minerals
Acid mine drainage
Selective cutting
15. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Genetically Modified foods
Effect of Monsanto on soybean farming since 1994
Open pit mine
Ecosystem-based Management
16. The surface soil that must be moved away to get at coal seams and mineral deposits
Effect of Monsanto on soybean farming since 1994
Advantages & Disadvantages of Subsurface mining
Adaptive Management
Overburden
17. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Open pit mine
What we can do to make forestry more sustainable
Acid mine drainage
Biological control (alternative to pesticides)
18. Cheap - But - removes all overburden (trees - soil - rocks - etc.); obliterates natural communities b/c everything has been removed; leads to erosion; causes sulfuric acid run-off;
Undernourishment/Marasmus
Plowing
Undernourishment
Advantages & Disadvantages of surface mining
19. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Surface mining
Advantages & Disadvantages of surface mining
Minerals
Maximum Sustainable Yield
20. Now makes up 80% of corn in the US - Benefits: Contains naturally occurring pesticide - Increases production - could feed more people - Grow more per square area - Doesn't spoil as quickly - Bigger - tastier
Community garden
Advantages & Disadvantages of Subsurface mining
Costs and downsides of purifying malachite
Bt Corn
21. Foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. include selective breeding; plant breeding. Typically - genetically modified food
Clear-cutting
Maximum Sustainable Yield
Genetically Modified foods
Effect of Monsanto on soybean farming since 1994
22. Mining method- mining underground coal deposits - in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams.
Subsurface mining
Slash and Burn
Overburden
Open pit mine
23. way to enhance nutrient-limited soils - Inorganic fertilizers- mined or synthetically manufactured mineral supplements - Organic fertilizers consist of the remains or wastes of organisms that include animal mancure - organic fertilizers can improve
Advantages & Disadvantages of surface mining
Things people can do to avoid depleting minerals
Integrated Pest Management (IPM)
Fertilizers
24. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Effect of Monsanto on soybean farming since 1994
Strip Cutting
Sustainable Forestry
Manmade nitrogen fertilizers
25. Organic macromolecules hardest to provide during a famine
Protein (usually)
Advantages & Disadvantages of Subsurface mining
Selective cutting
Naturally occurring pesticides
26. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Maximum Sustainable Yield
Surface Mining Control and Reclamation Act of 1977
Ecological services
Food security
27. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Strip mine
Manmade nitrogen fertilizers
Agricultural revolution and technology
28. Solid waste from smelts
Effect of Monsanto on soybean farming since 1994
Lesson from Food Inc
Why malachite was originally left behind as tailing from copper mines
Slag
29. Mix the malachite with water and 6M sulfuric acid and heat the mixture - creating a transformation reaction where the only left over matter is the sand - which is then strained out. Iron fillings are then added to the solution - a substitution react
To purify copper from malachite
Malnourishment/Kwashiorkor
Nitrate
Manmade nitrogen ertilizers
30. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Food security
Slash and Burn
Maximum Sustainable Yield
Naturally occurring pesticides
31. The FSC (Forest Stewardship Council) examine the practices of firms and rate them against criteria for sustainability - Grant sustainable forest certification to forests - companies - and products produced using methods they consider sustainable.
Selective cutting
Malnourishment/Kwashiorkor
Sustainable Forestry
Mechanization/tractors/combines
32. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Pesticides
Adaptive Management
Malnourishment
Smelting
33. When sulfide minerals in newly exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid - causing runoff as it leaches metals from the rocks
Acid mine drainage
Integrated Pest Management (IPM)
Current Population/ 2100 projects of world population
Industrial Agriculture/ Factory Farming
34. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Mountain-Top Removal
Manure/compost
Undernourishment/Marasmus
Nitrate
35. The golden molecule for plants because it makes them grow - Leagues have special nitrogen fixing bacteria in their rhizomes (roots) - Three covalent bonds for N2. Stronger the covalent bonds - the harder it is to react. Nitrogen gas is inert.
Acid mine drainage
Maximum Sustainable Yield
Nitrate
Naturally occurring pesticides
36. Completely missing something
Pest management
Lesson from Food Inc
Community supported agriculture (CSA)
Malnourishment
37. Strip mining - open pit mining - mountain top removal
Pest management
Ecosystem-based Management
Types of surface mining
To purify copper from malachite
38. The uniform planting of a single crop
Lesson from Food Inc
Monoculture
Overburden
What we can do to make forestry more sustainable
39. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Manmade nitrogen ertilizers
Strip mine
Clear cutting
Acid mine drainage
40. A mineral or grouping of minerals from which we extract metals - most metals are found in ore - Copper - iron - lead gold - and aluminum - Used in electronic components of computers - cell phones - DVD players.
Ecosystem-based Management
Ore
Plowing
Strip mine
41. By far the best method for managing pests - Uses chemical pesticides - biocontrol - AND diversity - Not monoculture; things are planted in a mosaic so that if pests attack all of the corn in one area there is still more corn somewhere else - Proven t
Lesson from Food Inc
Pest management
Food security
Advantages & Disadvantages of surface mining
42. - the turning and loosening of soil for the planting of crops
Plowing
Strip cutting
Manmade nitrogen ertilizers
Slag
43. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Monoculture
Manmade nitrogen ertilizers
Food security
Genetically Modified foods
44. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
What we can do to make forestry more sustainable
Slag
Mechanization/tractors/combines
Famine
45. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Pest management
Ecological services
What we can do to make forestry more sustainable
Integrated Pest Management (IPM)
46. Uses the idea that 'the enemy of one's enemy is one's friend' - Battles pests and weeds with organisms that eat or infect them - Can be extremely effective and inexpensive
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Biological control (alternative to pesticides)
Artificial Organic compounds
Food Aid
47. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Costs and downsides of purifying malachite
Maximum Sustainable Yield
Lesson from Food Inc
Genetically Modified foods
48. To reclaim is to make things level - and to get something growing and prevent erosion - If the U.S were to try to reclaim - it would cost tax payers about 2 trillion dollars.
Community supported agriculture (CSA)
Surface Mining Control and Reclamation Act of 1977
Slag
Open pit mine
49. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Clear cutting
Malnourishment/Kwashiorkor
Economic services
Fertilizers
50. Systematically tests different approaches and aims to improve methods and find ideal over time - Advantages: can be highly effective; works with each specific environment; can protect species; can provide minimum impact - Disadvantages: difficult to
Manure/compost
How corn yield has changed in the United States since the 1920s
Mountain-Top Removal
Adaptive Management