Unit 5

Fertile Crescent, Indus River valley, Southeast Asia, Central America

Early hearths for domestication

First agricultural revolution

Domestication of plants and animals

Second agricultural revolution

Machinery in farming

Third agricultural revolution

GMOs and technology in farming

Colombian exchange

Exchange of goods and ideas between the americas, Europe, and Africa

Desertification

the process by which previously fertile lands become arid and unusable for farming

Carrying capacity

How many people land can sustain

Metes and bounds

Uses landmarks to establish boundaries

Township and range

Divides land into squares

French long lot

Separates land into long rectangles

Slash and burn agriculture

Burning the land after harvest

Subsistence agriculture

Grown to feed the farmer and their family

Commercial agriculture

Grown to make a profit

Extensive agriculture

Low inputs

Intensive agriculture

High inputs

Commodity chain

A linked system of processes that gather resources, convert them into goods, package them for distribution, disperse them, and sell them on the market

Bid rent theory

refers to how the price and demand on real estate changes as the distance towards the Central Business District (CBD) increases

Dairy, forest, grain, livestock

Rings of von thunen model

Terrace, slash and burn, Mediterranean, pastoral nomadism, ranching, plantation, garden, mixed crop, grain, aquaculture, dairy

Types of agriculture

Food desert

an area in a developed country where healthy food is difficult to obtain