food definitions Flashcards
define food security
exists when all people, at all times have physical and economic access to sufficient, safe and nutritious food that meets their dietary need and food preferences for an active and healthy life
define the global hunger index
a tool comprehensively measure and track hunger at a global, regional and national levels reflecting multiple dimensions of hunger over time
intended to raise awareness and understanding of geographical differences in hunger and how these change over time
define globalisation
the growing integration and interdependence of people’s lives in a complex process with economic social political and environmental
define the global food system
encompasses all the activities that are involved in the production, processing, distribution and consumption of food throughout the world.
define MDG
Millenial Development Goals
define extensive farming
large scale commercial
inputs of labour and capital are small
define intensive farming
small scale with high labour and capital inputs
define arable farming
growing food crops
define pastoral farming
raising livestock
define subsistence farming
food grown just for farmer or local communities, not for profit
define commercial farming
large scale
high capital
large profit
define shifting cultivation
isolated areas with low population
large areas with low demand
rotate fields
define sedentary
farmers remain in one place
cultivate same land every year
define leaching
soluble materials draining away in soil
define salinisation
the accumulation of salts in soils
define aspect
the direction a slope faces
define microclimate
local climates whose main characteristics are determined by topography and land use
define humus
organic material when plants and animals decompose
define evapotranspiration
combined loss of water at the surface through evaporation and transpiration by plants
define fluorosis
contamination of water by fluoride
define nitrogen fixing
to supply plants with the vital nutrient that they cannot obtain from the air themselves
define microclimate
local climates whose main characteristics are determined by topography and land use