Food Resources

Mer av detta

UNIT 5.

av Andrea Blázquez

Chernobyl

av Ansari Mohammed - T L Kennedy SS (2352)

Litter

av Иван Станкович

Concept map_causes & impacts of deforestation

av koh huini

Food Resources

Fish & Shellshish

Aquaculture

shellfish

seaweeds

Fish farming

by catch

fishery collapse

3rd major food source

Intergrated Pest Management(IPM)

Effects

Higher yields

lower pesticide use

Minimize pesticide inputs

GMOs

-ves

regulation

biodiversity

human safety

+ves

Increased profits

Better quality

Increased yields

Causes of Malnourishment

Diverted

Biofuels

Animal farming

Politics

Poor governance

War refugees

Poverty

Starvation

Lack of resources

CAFO's (concentrated animall feeding operations)

Alternatives

free range

more land

less antibiotics

more sustainable

less disease

Cage free

runoff can contaminate water resources

Waste 2000 tons

Antibiotic -resistence?

High density farming -ethical?

Alternative Farming

Desertification

shifting agriculture

nomadic grazing

low pop. and subsistence farming

Contour Plowing

Subtopic

Agroforestry

Crop Rotation

Intercropping

Green Revolution

Irrigation system

salinization/ salt intrusion

waterlogging

deplete groundwater& aquifers

allowed farming in areas not adequate before

Monocropping

Pesticides

causes a cyclical effect

selective

broad-spectrum

herbicides

insecticides

Fertilizers

synthetic

use fossil fuels and are more likely to carried by runoff.

organic

Machinery

Nutritional Needs

Food Security

access to sufficient, safe and nutritious food & diet meets needs for healthy lifestyle.

Insecurity: do not have adequate access to food.

WHO

anemia

famine

3 billion malnourished