Vocabulary for the agriculture unit in AP Human Geography, specifically Chapter 12
Domestication
The deliberate effort to grow plants and raise animals, making plants and animals adapt to human demands and using selective breeding to develop desirable characteristics.
Foragers
Small, nomadic groups who had primarily plant-based diets and ate small animals or fish for protein.
Agricultural Hearth
An area where different groups began to domesticate plants and animals.
Fertile Crescent
A hearth in SW Asia that forms an arc from the eastern Mediterranean cost up into what is now western Turkey and then south and east along the Tigris and Euphrates river to western parts of modern Iran.
Columbian Exchange
The exchange of goods and ideas between the Americas, Europe, and Africa that began after Christopher Columbus landed in the Americas in 1492.
First Agricultural Revolution
The shift from foraging for food to farming about 11,000 years ago, marking the beginning of agriculture.
Second Agricultural Revolution
A change in farming practices, marked by new tools and techniques, that diffused from Britain and the Low Countries starting in the early 18th century.
Enclosure System
System in which communal lands were replaced by farms owned by individuals, and use of the land was restricted to the owner or tenants who rented the land from the other.
Third Agricultural Revolution
A shift to further mechanization in agriculture through the development of new technology and advances that began in the early 20th century and continues to the present day.
Genetically Modified Organisms (GMOs)
A plant or animal with specific characteristics obtained through the manipulation of its genetic makeup.
Green Revolution
Movement beginning in the 1950s and 1960s in which scientists used knowledge of genetics to develop new high-yield strains of grain crops.
Agriculture
The purposeful cultivation of plants or raising of animals to produce goods for survival.
Climate Regions
An area that has similar climate patterns generally based on its latitude and its location on a coast or continental interior.
Mediterrenean Agriculture
An agricultural practice that consists of growing hardy trees and shrubs and raising sheep and goats.
Subsistence Agriculture
An agricultural practice that provides crops or livestock to feed one's family and close community using fewer mechanical resources and more people to care for the crops and livestock.
Commercial Agriculture
An agricultural practice that focuses on producing crops and raising animals for the market for others to purchase.
Bid-Rent Theory
A theory that describes the relationships between land value, commercial location, and transportation (primarily in urban areas) using a bid-rent gradient, or slope; used to describe how land costs are determined.
Central Business District (CBD)
The central location where the majority of consumer services are located in a city or town because the accessibility of the location attracts these services.
Intensive Agriculture
An agricultural practice in which farmers expend a great deal of effort to produce as much yield as possible from an area of land.
Clustered Settlement
A rural settlement pattern in which residents live in close proximity to one another, with farmland and pasture land surrounding the settlement; also known as a nucleated settlement.
Dispersed Settlement
A rural settlement pattern in which houses and buildings are isolated from one another, and all the homes in a settlement are distributed over a relatively large area.
Linear Settlement
A rural settlement pattern in which houses and buildings form in a long line that usually follows a land feature or aligns along a transportation route.
Monocropping
The cultivation of one or two crops that are rotated seasonally.
Monoculture
The agricultural system of planting one crop or raising one type of animal annually.
Crop Rotation
The varying of crops from year to year to allow for the restoration of valuable nutrients and the continuing productivity of the soil.
Plantation Agriculture
A type of large-scale commercial farming of one particular crop grown for markets often distant from the plantation.
Market Gardening
A type of farming that produces fruits, vegetables, and flowers and typically serves a specific market or urban area.
Mixed Crop and Livestock Systems
A type of farming in which both crops and livestock are raised for profit.
Extensive Agriculture
An agricultural practice with relatively few inputs and little investment in labor and capital that results in relatively low outputs.
Shifting Cultivation
The agricultural practice of growing crops or grazing animals on a piece of land for a year or two, then abandoning that land when the nutrients have been depleted from the soil and moving to a new piece of land where the process is repeated.