> Report > Sectors > Land Use and Land Cover Change

NAME:______LAND USE WORKSHEET

Go to http://nca2014.globalchange.gov/report/sectors/land-use-and-land-cover-change and answer the questions below. To avoid typing in this long link you can a) go to the “homework” link on my webpage to open this document and click on the link, or b) navigate from: nca2014.globalchange.gov > report > sectors > Land Use and Land Cover Change.

1) Define land use.

2) Define land cover.

3) Land use and land cover change over time in response to:

4) Land-use and land-cover-related options for mitigating climate change (reducing the speed and amount of climate change) include:

5) In 1910 only ______of the U.S. population lived in urban areas, but by 2010 that figure had climbed to more than ______.

6) Developed or built-up (urban) areas cover only about ______of the country’s land surface.

For questions 7-10, use the interactive map to find out the answers.

7) Which region has the highest percentage of forest?

8) Which region has the highest percentage of developed?

9) Which region has the highest percentage of grassland/shrubland?

10) Which region has the highest percentage of agriculture?

11) Between 1973 and 2000, ______of the area of the lower 48 states experienced land-cover change, an area roughly equivalent to the combined land area of ______.

12) Under the “Projections” heading at the end of the Introduction: copy down the first paragraph (it is short). 13) Write the statement found beneath “Key Message 1: Effects On Communities and Ecosystems.”

14) In “Key Message 2”: Areas converted to agriculture have seen a(n) (increase/decrease) in dewpoint temperatures.

15) In “Key Message 2”: Urbanized areas have seen a(n) (increase/decrease) in temperatures.

16) Write the statement found beneath “Key Message 3: Adapting to Climate Change.”

17) In “Key Message 4: Reducing Greenhouse Gas Levels,” Land-cover change and management accounts for about ______of all carbon released into the atmosphere by people globally since 1850.

18) In “Key Message 4,” The primary source related to land use (globally) has been: