Agricultural
Agriculture that does not deplete the soil faster than it forms.
What is sustainable agriculture?
Sediment consisting of particles less than 0.002 mm in diameter.
What is a clay?
The practice of plowing furrows sideways across a hillside, perpendicular to its slope, to help prevent the formation of rills and gullies.
What is contour farming?
Arctic, Atlantic, Indian, Pacific, and Southern oceans
What are the main oceans on Earth?
the variety of life in the world or in a particular habitat or ecosystem.
What is biodiveristy?
Food producing practices that rely on biological approaches such as composting and biological pest control
What is organic agriculture?
The continuous mass of solid rock that makes up the Earth's crust.
What is bedrock?
Planting different types of crops in alternating bands or other spatially mixed arrangements.
What is Intercropping?
It’s a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean
What is a watershed
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
What is a keystone species?
Fish farming
What is aquaculture?
A distinct layer of soil.
What is a soil horizon?
The uniform planting of a single crop over large areas.
What is monoculture?
212 Degrees F
What is waters boiling point?
a semi-arid, shrub-dominated collaboration of hard-leaved, woody plants shaped by Mediterranean climate (wet winters, hot, dry summers) and sporadic fires, consisting of summer-drought-tolerant plants and hard sclerophyllous evergreen leaves.
What is Chapparal?
Agriculture in which humans and animal muscle power, along with hand tools and simple machines, perform the work of cultivating, harvesting, storing, and distributing crops.
What is traditional agriculture?
The base geological material in a particular location.
What is parent material.
Agriculture that does not involve tilling. The most intense for of conservation tillage.
What is no till?
a reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide (CO 2) from the atmosphere.
What is ocean acidification?
Organisms that modify, maintain and/or create habitat
What are ecosystem engineers?
A form of agriculture that uses large scale mechanization and fossil fuel combustion to cultivate, harvest, transport, etc.
What is industrial agriculture?
The range of number of microorganism species in 1 gram of soil.
6,000-50,000
A row of trees or other tall perennial plants that are placed along the edges of farm fields to break the wind, and therefore minimize wind erosion.
What are shelterbelts?
the excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
What is eutrophication?
artificial, terrestrial, lentic and lotic.