Unit 8 Vocab and test Flashcards
(47 cards)
Silage
fermented fodder
Leibig’s Law
The abundance and distribution of a species is determined by the limiting factor most necessary
but in least supply
Sedimentation
deposition of sediments in bodies of water
Marginal Land
Land not well suited for farming
Salination
improper irrigation leads to salty soil
Drip Irrigation
watering crops slowly at the base of plants using pipes and hoses.
Desertification
Creating a desert like soil by improper farming
Tragedy of the Commons
When a person, for their self interest, depeletes a shared resource and ends up hurting everyone involved
Clear cutting
cut down and remove every tree from (an area).
Clear cuttings effects on runoff
increases runoff because there is no roots
Clear cutting effects on transpiration
decreases transpiration and evaporation
Clear cutting effects on turbidity
Leads to more runoff and erosion increasing turbidity
Clear cutting effects on CO2
increases carbon dioxide, less photosynthesis
Norman Barloug
Started the green revolution where plants were increased in diets. Developed a high yielding disease resistant wheat.
Rachel Carson
Wrote a book about the silent spring where she talked about the harmfulness of the DDT pesticide used in war.
Trump
Left the Paris agreement where they tried to tackle rising tempratures around the world
Bad thing about farm raised fish
Disease and low genetic variation
3 ways of mass fishing
Long Lines
Trawling
Drift Nets
Plowing perpendicular to the slope of the land to reduce erosion
Contour Plowing
Planting the large crops at the side of the field to reduce wind erosion
Sheltercropping
You plant this between what you are growing to sell to protect the crops.
Cover crops
Using many types of ways to shelter and protect things on your land.
Integrated Pest Managment
Leaving the field without planting new crops and allowing it to replenish.
Seasonal Fallowing
2 things good about eating meat
Vitamins and high calories
