Wednesday, March 22, 2006

Signs for Climate Change

source: http://sustainabledesignupdate.com/?p=12

A recent article in Kathimerini, an English language Greek newspaper stated that 84% of the land of Greece is in danger of becomming a desert. This is due to salinization of the soil from over use of irrigation and other non-sustainable farming practices combined with changes in the climate.

An overwhelming 84 percent of Greeces land is at risk of desertification and another 8 percent is already arid but is being cultivated by farmers reluctant to lose their subsidies, according to scholars at a conference in Thessaloniki yesterday.

The threat of desertification is significant for over a third (35 percent) of Greek land and somewhat less so for another section accounting for half (49 percent) of the country, according to Constantinos Kosmas of Athens Agriculture University. The hardest-hit areas are believed to cover a large section of mainland Greece, most of the Peloponnese, mountainous parts of the Ionian islands, the islands of the Aegean, Evia, eastern and central Crete as well as parts of Thessaly, Macedonia and Thrace.

Kosmas stressed that the zones currently subject to only a moderate threat would face an immediate risk of desertification in the event of excessive agricultural exploitation or intense climate change.

Soil erosion constitutes the greatest danger for hilly land as it brings about a drastic reduction in the depth, fertility and productivity of earth and foliage, Kosmas said, stressing that agricultural machinery was also a prime culprit. Hilly sections of the Thessaly plain are currently at high risk of desertification because agricultural machines have displaced a layer of about 40 centimeters of earth, he said.

Kosmas also highlighted salination€ chiefly caused by irrigation using poor-quality water as a contributing factor to desertification.

A link to Kathimerini

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