definitions Flashcards
(31 cards)
von thunens land use model
based on 1) cost of land
2) distance to get food to market
soil erosion
based on 1) cost of land
2) distance to get food to market
soil degradation
change in soil health status - reduced capacity to provide goods and services
land degradation
all negative changes in the capacity to provide goods and services
desertification
irreversible change of the land to a point that can no longer be recovered for original use.
degradation causes
deforestation, overgrazing, agrochemical
freight farms
old meat shipping containers into farms – leafy greens, herbs, up to 1100 heads of lettuce/week
urban cultivator
a mini freight farm
rooftop beehives
u of w, hotel fort garry
world water usage
70% agriculture, 20% industry 10% domestic
oceans
Oceans like a human pantry, but also like a garbage bin
CAFOs
concentrated animal feeding operations, animals live in dense unnatural area’s.
additives
90% of food budget=processed
- substances intended to change the food in some way before it is sold
- improves look, taste, and shelf life
antibiotic
to kill bacteria in food, more cow in area=more waste=more E. Coli
hormone
animals grow faster and bigger
2/3 of cattle injected with them in the US
-concern they might be harmful
pesticides
over 1 billion tons used every year
bananas
80% traded by 5 companies
lobster
1800s-1900s fed toservants, prisoners, cats
served on trains to non coastal americans as exotic meat, started to ask for it off train
-WW2 not rationed
loppe
spider – (lobster)
calcium paradox
highest dairy consumption nations=highest rates of bone fractures
- recognized by WHO
- 75% of world pop unable to digest milk
dairy farming
dairy farming more environmentally destructive than beef farming
-3785 litres of water to produce 1 litre of milk
non milk calcium
healthier and more easily absorbed
ivory coast
40% of worlds cocao
fishers
slave labourers, 100s of trapped men work, from Burma and kidnapped or tricked into fishing
