TG Land Management

What can be done to sustain the productivity of rangeland?

• limit herd size

• eliminate invasive plants

• leave the land unused for a time

• all of the above

Area protected from exploitation

• wilderness

• rural

• infrastructure

• open space

What are impacts of overgrazing?

• pollution and use of more resources
• loss of biodiversity, loss of native topsoil, desertification
• more people than the infrastructure can support
• creation of heat islands

What are some consequences of deforestation?

• increased population in cities
• building of more infrastructure
• soil erosion, loss of biodiversity, loss of ability to remove CO2
• more mercury and cyanide released into rivers

 Land used to grow plants for food and fiber

• cropland
• urban land
• rural land
• forestland

Land used for harvesting wood, wildlife, fish, nuts, and other resources.

• rural land
• urban land
• rangeland
• forestland

Relatively few people and large areas of open space.

• rangeland
• urban land
• rural land
• parks and preserves

Land used for recreation and scenic enjoyment, and for preserving native animal and plant communities and ecosystems.

• parks and preserves
• urban land
• ecosystem services
• forest land

Which is NOT a strategy to increase a city's sustainablity

• reduce reliance on fossil fuels
• increase/improve greenspace
• increase recycling rates
• build more shopping malls

What is deforestation?

• throwing someone out of a window
• selectively cutting trees for lumber, making sure the forest remains healthy
• allowing more animals to graze on the land than it can support
• cutting and removal of rainforest