Global Land and Water Use

Arable means

• Arid, or very dry, so it is difficult to grow crops

• Land that is good for growing fruit trees; comes from "arbor" which means "tree"

• A plow can be put into this kind of land, so you can grow crops in it

• Very wet land that has standing water on it for part of the year.

Agricultural productivity means

• A description of the availability of produce such as carrots, lettuce, potatoes and peppers.

• The amount of crop that is harvested.

• The amount of crop that is harvested compared to how much land it took to produce it.

• A measurement of how fertile (good for growing) land is.

Land accounts for ________% of the planet and water accounts for _________%

Of the habitable land (land where people can live in societies), ​ _____% is used for agriculture.

Choose the response that indicates what this graph shows and whether it shows a good thing or bad thing. (Click on the image to enlarge it.)

• Shows that the amount of land needed to grow food for a person has decreased sharply. Good thing - higher yields of crops feeds more people efficiently.

• Shows that our increasing world population means that the available land for agriculture is going down. Bad thing - less ag land.

• Shows that the amount of food being produced per person has been declining. Bad thing - we need more food, not less as the world population rises.

The average farm size in New York State was 205 acres in 2017. How many hectares is that? The conversion rate is 2.471.

Plant crops are either seasonally planted or permanent. Examples of permanent crops are

• beans, tomatoes, corn, lettuce

• beans, blueberries, radishes, carrots

• apples, oranges, mangoes, blueberries

• raspberries, lettuce, radishes, carrots

What percent of agricultural land is used to produce animal products?

• 77%

• 23%

• 50%

• 60%

82% of all the calories eaten by people globally are from plant products. How many calories are from animal products?

• 8%

• 18%

• 28%

Which type of calories provides more protein and better quality protein because it is absorbed more easily, contains more vitamins and minerals and a wider variety of amino acids?

• Animal products

• Plant products