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Human Pressure on Desert Environments

The average temperature has increased over the last century – increasing evapotranspiration which reduces ground surface water surplus. .
             Population growth is also happening in Spain. Some areas of Spain, like the semi-desert Tabernas in Almeria has an annual rainfall rate lower than 200mm. 50% of Spain is classed as sand, making it the direst country in Europe. It was estimated in 2008 that 37% is at risk of deforestation. Most vulnerable areas are in the south such as Andalusia and Murcia.) Again, Southern Spain is so arid because of the pressure that humans are putting on agriculture which can lead to issues with climate change. Temperature has risen in Spain by 1.5 degrees Celsius in the last century, increasing evapotranspiration and leaving us with an even drier environment. Between 1991 and 2000, rainfall in Andalusia fell by 9.5%. As the climate gets hotter there's increased risk of forest fires, causing deforestation and desertification. High temperatures and low rainfall have reduced surface water resources – fewer plants can grow (soil erosion). Over cultivation-nutrient content of soil is reduced to the point where it's no longer productive – 80 million tonnes of topsoil is lost each year in Andalusia because of intense cultivation of olive trees. Over gazing is reducing vegetation cover, causing desertification. Groundwater resources are being pumped to irrigate crops, lowering groundwater levels. Increasingly more water is being used for irrigation because agriculture is carried out in unsuitable areas; Almeria is an important agricultural area as produce grown there contributes $1.5 billion to the economy each year. Almeria is the direst area in Europe though, so this is only possible with intensive irrigation. Crops that need more water than the area can supply are being grown for export. E.g. Spain is Europe's largest producer of strawberries, and 95% of its exports are grown in Andalusia.


Essays Related to Human Pressure on Desert Environments

1. Desert

Too much heat also kills: fevers of around 108 degrees Fahrenheit kill humans, because the proteins of which we are formed begin to break down at those temperatures. ... Pressure: Life forms are adapted to the atmospheric or aquatic pressures at which they live. ... Life in this hot, dry environment is challenging, requiring adaptations from both animals and plants. ... A few tertiary consumers may be able to survive in these richer environments. An interesting desert "extra" is the oasis, a place where springs of water flow to the surface, providing an environment where palm trees and ...

  • Word Count: 1775
  • Approx Pages: 7
  • Grade Level: High School

2. Edward Weston

As a female, I can identify with the pressure woman face in society. ... They also show the desert as an environment of constant change and movement. ... The pepper can be viewed as two human bodies intertwined with each other. ... The bends and folds of the pepper denotes the muscular aspects of the human form. The subject almost blends into the background, as lovers' consciousnesses are unaware of their environment. ...

  • Word Count: 1090
  • Approx Pages: 4
  • Grade Level: High School

3. Describe how waste is recycled in modern societies.

Through the modern history, the environment has become a very important part in human life, nevertheless, as the society has become more developed, problems regarding the environment has become more serious. One of the reasons could directly effect the environment is waste, consequently, to examine how waste is recycled in the modern societies can help people discover the background of the situation, and make improvements in the environment. ... In addition, legislative pressures and public resistance to dumping close to areas of habitation, plastic deposal in landfill has become slightly unpo...

  • Word Count: 1299
  • Approx Pages: 5
  • Has Bibliography
  • Grade Level: Undergraduate

4. Biomes Of The World

Each individual is a collection of adaptations that allow it to function effectively in its environment, and these adaptations characterize the species to which it belongs. They are affected by all aspects of the environment, both physical (climate, water, substrate) and biological (other species as prey, predators, parasites, competitors or symbionts). ... Finally, as humans are significant in the world far out of proportion to being only one of millions of species in it, an interpretive element dealing with human effects seems necessary. No part of the world is unaffected by our presence, an...

  • Word Count: 12375
  • Approx Pages: 50
  • Has Bibliography
  • Grade Level: Undergraduate

5. A Barbie World

Playing Barbie allows girls to create a whole world of fantasy, separate from their real life environment. ... Barbie to little girls" is like being stranded on a deserted island for a couple of hours. ... But, if Barbie were human, she would stand 5 foot 4 inches tall, weigh 110 pounds, and have a 39-inch bust, 18-inch waist, and 33-inch hips. ... The slender shape of Barbie complemented with skinny modeling in advertisements pressures young women to maintain that girlish figure absent of hips, thighs, fat and, most importantly, absent of power. ...

  • Word Count: 809
  • Approx Pages: 3
  • Grade Level: High School

6. Taxi driver compared to the searchers

The viewer deduces that he will eventually return to the desert. ... John Ford's The Searchers deals with issues of racism and the pressure to conform. ... Whereas Ethan is the old southerner that fears change and considers minority to be less than human. ... However, their mission accomplished it offers them no lasting satisfaction, no way "to alleviate their feelings of loneliness" (Ben Famiglietti,1995) as Travis returns to the streets and Ethan to the desert (viewer deduces that he will return to the desert). "The whole conviction of my life now rest upon the belief that lonelin...

  • Word Count: 1696
  • Approx Pages: 7
  • Has Bibliography

7. Disposal of Radioactive Waste

Radioactive substances are highly dangerous and can be harmful to human health and other species. ... These drums were believed to disintegrate and release the harmful agents almost instantly due to heavy pressures of deep water. ... Less than one century ago, it would have been difficult to imagine that humans could significantly pollute these vast bodies of water. For as long as there have been human inhabitants, people have been utilizing the ocean as a dumping ground for garbage and other rubbish. ... The Yucca Mountains are located in a remote desert on federally protected land within...

  • Word Count: 2562
  • Approx Pages: 10
  • Has Bibliography

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