Key Terms Flashcards
1
Q
Food security
A
- when all ppl at all times have access to sufficient, safe, nutritious food to maintain a healthy + active life
2
Q
Malnutrition
A
- condition that develops when body doesn’t get right amount of vitamins, minerals + other nutrients it needs to maintain healthy tissues + organ function
3
Q
Agricultural technology
A
- application of techniques to control growth + harvesting of animal + vegetable products
4
Q
Green revolution
A
- introduction of high-yielding seeds + modern agri. techniques in LICs
5
Q
Perennial crops
A
- crops that don’t die off once harvested. exist for yrs before reseeding may be required
6
Q
War
A
- armed conflict within countries or between countries
7
Q
Trade barriers
A
- legal obstacles to trade, mainly in form of tariffs, quotas, + regulations regarding trade in goods + services
8
Q
Ecological footprint
A
- indicator of sustainability, that expresses relationship between pop. + natural envi.
9
Q
Biocapacity
A
- capacity of an area or ecosystem to generate an ongoing supple of resources + to absorb its wastes
10
Q
Global hectare
A
- biologically productive space w worlds avg. productivity
11
Q
Carbon footprint
A
- total set of green house gas emissions caused directly + indirectly by an individual, organisation, event or product
12
Q
Overshoot
A
- occurs when humanity’s demand on nature exceeds biosphere’s supply or regenerative capacity
13
Q
Optimum population
A
- size of pop that achieves a given aim in most satisfactory way
14
Q
Economic optimum
A
- lvl of pop. that, through production of goods + services, provides highest avg. standard of living
15
Q
Underpopulated
A
- when too few ppl I’m area to efficiently use resources available