How much land do we have for agriculture?
At present some 11 percent (1.5 billion ha) of the globe’s land surface (13.4 billion ha) is used in crop production (arable land and land under permanent crops). This area represents slightly over a third (36 percent) of the land estimated to be to some degree suitable for crop production.
What type of agriculture takes up the most land?
If we combine pastures used for grazing with land used to grow crops for animal feed, livestock accounts for 77% of global farming land. While livestock takes up most of the world’s agricultural land it only produces 18% of the world’s calories and 37% of total protein.
What are some negative effects of farming?
Pollution. Agriculture is the leading source of pollution in many countries. Pesticides, fertilizers and other toxic farm chemicals can poison fresh water, marine ecosystems, air and soil. They also can remain in the environment for generations.
What is the negative effect of tourism?
Tourism often puts pressure on natural resources through over-consumption, often in places where resources are already scarce. Tourism puts enormous stress on local land use, and can lead to soil erosion, increased pollution, natural habitat loss, and more pressure on endangered species.
What is the colour of cultivable land?
Yellow colour indicates cultivable land whereas green colour indicates forest area.
What are the negative impacts of tourism on the economy?
NEGATIVE ECONOMIC IMPACTS OF TOURISM: Increase in prices• Increasing demand for basic services and goods from tourists will often cause price hikes that negatively affect local residents whose income does not increase proportionately.
What are the negative impacts of tourism on environment?
The behaviour of tourists, and their use of facilities, can result in environmental pollution through an increased number of people. As well as air pollution from an increase in the use of fossil fuels, pollution of the land and sea swells in tourist areas and in tourist seasons.