HORTICULTURE

HORTICULTURE SCIENCE

DISEASE AND PEST MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What percent of the world land area is rangeland?
A
30%
B
50%
C
60%
D
70%
Explanation: 

Detailed explanation-1: -Rangelands are those lands on which the native vegetation (climax or natural potential plant community) is predominantly grasses, grass-like plants, forbs, or shrubs suitable for grazing or browsing use.

Detailed explanation-2: -Rangelands are now estimated to comprise approximately 25% of the land in the United States.

Detailed explanation-3: -Nevada is the state that is most dominated by rangeland with rangelands covering about 80% of the land in this state. The geographic and climate regimes of Idaho’s rangelands are very diverse, which creates many unique plant communities and associations. About 71% of the earth’s surface is water.

Detailed explanation-4: -Rangelands support multiple ecosystem services including grazing, wildlife habitat, watershed health and recreational opportunities. Livestock grazing is the most common economic use of rangelands, and also the principal management tool.

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