Expanding the Amount of Land Devoted to Food Production

Reuse our work freely. Total land area used for oilcrop production has increased almost 3-fold since 1961 an area just short of the size of Mexico.

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Expanding Agricultural Land.

. The evaporation of irrigation water from farm fields can damage soil fertility through. Livestock takes up nearly 80 of global agricultural land yet produces less than 20 of the worlds supply of calories as shown. Urban growth and desertification3.

Has the greatest potential for increasing world food supplies. The world population slowed down but the amount of farmland devoted to. Yet over the past 5 decades while grain production has more than doubled the amount of land devoted to arable agriculture globally has increased by only 9.

Historically world food production increased primarily by expanding the amount of land devoted to agriculture Three leading cereal grains corn wheat and rice account for nearly 50 percent of all grain production and more than 80 percent of all dietary energy consumed worldwide. Vast quantities of oil enough to supply domestic needs for another century are contained in US. By looking at the percentage of global land area devoted to agriculture and the total land area devoted to agriculture you can see that the FAO estimate of global land area varies by about 2.

By expanding the amount of land devoted to agriculture2. By James Owen Published. Expanding the amount of land devoted to food production.

World food production has increased primarily by expanding the amount of land devoted to agriculture. October 03 2017. As population increased during the Industrial Revolution people simply staked a claim of unsettled land in uninhabited territory to produce more agricultural land as seen in the American West during the nineteenth century.

While livestock takes up most of the worlds agricultural land it only produces 18 of the worlds calories and 37 of total protein. In the past world food production increased primarily by expanding the amount of land designated for agriculture. With per-acre production failing to keep up with rising demand for food the amount of land devoted to growing pollinator-dependent crops is.

The worlds tropical regions will surely be the epicenter of the scramble to increase food production for a global population projected to soar from 7 billion today to 11 billion by the end of the century. But we can no longer afford to increase food production through agricultural expansion. In the last 20 years something truly remarkable has occurred something that few predicted.

So how can more food be produced sustainably. Double by about 2050. Sparsely inhabited land suitable for agriculture was available in western North America central Russia and Argentinas pampas in the late eighteenth century and early nineteenth centuries.

Trading tropical forest for farmland is one of the most destructive things we do to the environment and it. We examine the possible expansion of food supplies to the year 2050 the inventory of presently utilized and potentially available arable land rates of land degradation and the. The most dramatic increase in land allocation is in the production of oilcrops.

New maps show food production now takes up 40 percent of the Earths land surface revealing the extent to which farming has changed the face of the planet scientists say. This is troubling as global land area should be relatively static with small changes coming from sea level rise coastal erosion and deposition etc. All other crop types take up less than 100 million hectares of global area.

Averaged over the decade between 2007 and 2016 the largest share of agricultural land area was in Asia accounting for 16 global hectares gha or 34 percent followed by the Americas 12 gha or 25 percent and Africa 11 gha 24 percent with Europe and Oceania representing each about 9-10 percent of the total. Increasing current food production more than proportional to population growth is required so as to provide most humans with an adequate diet. When the worlds population increased more rapidly during the Industrial Revolution beginning in the eighteenth century pioneers could migrate to sparsely inhabited territory and cultivate the land.

If the irrigated land has inadequate drainage the underground water level rises to the point where roots become water lodged 6. Achieving Peak Pasture. In the past the primary solution to food shortages has been to bring more land into agriculture and to exploit new fish stocks.

Is most likely to occur in Europe and North America C. May do irreparable damage to the land D. The amount of land devoted to grazing animals to produce meat and milk has begun to shrink across the world.

This blog post draws on data and research discussed in our entry on Land Use. If we combine pastures used for grazing with land used to grow crops for animal feed livestock accounts for 77 of global farming land. The tropics are where crops grow the fastest where land is often relatively cheap and where food demand will surge the most.

Was one of the chief benefits of the Green Revolution. Expanding the amount of land devoted to food production A. Rapid population growth and handful of pastoral nomads a.

Our World in Data presents the empirical evidence on global development in entries dedicated to specific topics. Expand Agricultural Land Historically world food production increased primarily by expanding the amount of land devoted to agriculture. Pasture expansion has been one of the most significant challenges the world has faced for conserving biodiversity and.

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