APES 2024
Sustainability
consuming a resource or using a space in a way
that does not deplete or degrade it for future use
Maximum sustainable yield
maximum amount of a renewable resource that can be harvested without reducing or depleting that resource
Maximum sustainable yield is about
½ the carrying capacity will maximize yield
Feeding the world’s rising human population requires
changing our diet or increasing agricultural production
We must do these things to help maintain and feed the world’s rising human population
must improve the efficiency of food production
must decrease our impact on natural systems
Land suitable for farming is
running out
Mismanaged agriculture causes
turns grasslands into deserts
removes forests
diminishes biodiversity
pollutes soil, air, and water with chemicals
fertile soil is blown and washed away
Undernutrition
people receive fewer calories than their minimum requirements
Economics, politics, conflict, and inefficiencies in distribution cause
undernutrition
Most undernourished live in
developing nations (but 36 million Americans are “food insecure”)
Food security
guarantee of an adequate, safe, nutritious, and reliable food supply
Food desert
geographic areas where residents have few to no
convenient options for securing affordable and healthy foods - especially fresh fruits and vegetables
Overnutrition
receiving too many calories each day
(Developed countries have abundant, cheap junk food, and people lead sedentary lives)
(In the U.S., 25% of adults are obese)
Malnutrition
a shortage of nutrients the body needs (The diet lacks adequate vitamins and minerals and can lead to diseases)
CSA - Community Supported Agriculture pros
Buy local, seasonal produce from local farmers
Can also purchase beef, pork, chicken and eggs
Support local economy
Less fossil fuel use
Know where your food is grown