Types
An area large flat area covered in grasses with less than 35 inches of rain annually.
What is a grassland?
This would limit the biodiversity of grasslands.
What is only planting one 1 crop and not rotating crops each year?
This service was formed by the federal government due to the Dust Bowl.
What is Soil Conservation Services?
The length of time it takes for topsoil to regenerate.
What is 1,000 years?
Wood vegetation that can harm grasslands.
What is trees and shrubs?
Extreme climates with fertile soil created from decaying grass roots.
What is temperatre grasslands?
List the 2 things that define overgrazing.
What is animals overeating (not rotating fields) and their hooves compacting the soil?
What is 10 years?
The reason temperate grassland soil is so fertile.
What is decaying grass roots belong the soil?
The only continent that does not have any grasslands.
What is Antarctica?
The amount of temperate grasslands that remain in North America after the development of agricultural fields.
What is 50%?
Fires help control this in grasslands.
What is controls invasive species?
The % of Duck Stamp Act provided to wetland and waterfowl habitat aquisition.
What is 98%?
The continents Savannas are located on.
What is Africa, Australia and S.America?
This determines an areas a grassland habitat.
What is precipitation?
Have high temperates all year and contain some trees and shrubs.
This happened in the 1930 to grasslands.
What is the Dust Bowl?
Incentives provided to landowners to conserve grassland habitats.
What is the Farm Bill?
The % of grasslands currently protected.
What is 8%?
84% of grasslands are this.
What is privately owned?
Grasslands in mountainous regions with higher elevations and more cloud cover.
List 3 services grasslands provide.
What is deep/rich soils, store carbon dioxide, filter runoff from precipitation and provide habitats for wildlife?
Practice used to control weed and aerate the soil.
What is Tillage?
This much of the terrestrial Earth are covered in grasslands.
What is 20-40%?
List 2 things cover crops do.
What is increase water retention, prevent soil erosion and provide habitats for other animals that eat crop pests, like spiders?