Green Dam in Algeriaby | 07-03-2015 02:17 |
|---|
   ALGERIA is located in North Africa , it is bordered in the north by the Mediterranean Sea , in the east by Tunisia & Libya, in the west by Morocco, in the southwest by Western Sahara, Mauritania, in the south by Niger and Mali. Algerian climate is Mediterranean in the north, a relatively mild winters and rainy, and the temperature is between 21-24 Celsius in the summer and 02-12 C in the winter. The plateaus is lowest rainfall from the north, the winters are cold , snowy, and the teperature is lower than zero Celsius sometimes. Hot dry summers. The climate in the southern is Sahraoui (desert climate) , hot days and refreshing nights, in the summur the weather degree's is above 50 degrees Celsius, carrying winds Siroko (known El chihili), also sometimes seasonal rains in the winter. the percentage of rainfall in the north is to 400-600 mm per year, an increase from west to east, reaching a maximum in the northeast of the country at a rate of 1000 mm sometimes. Algeria is a part of the world warming. Like the other countries, it is also affected by climate change. According to the International Institute for Sustainable Development (IISD). The desertification phenomenon is one of phenomenas that followed the climate change in Algeria and The authorities established The Green Dam project to reduce this phenomena. The The late President Houari Boumedien set up the Green Dam Project ,The objective was to establish a vegetarian strip of trees from east to west in order to separate the conversion of the desert from the north and stop the desertification phenomenon, but the project was stoped to this day after the death of the owner of the idea of the project . The Green Dam project was launched in 1971 to limit the progress of sand to the north on the length of 1700 km and the depth sometimes exceeded 400 kilometers and it had a role in the emergence of a new 400 model village, and the reduction of the desert attack on urban areas. Green Dam properties: A - Climate: Green Dam contributes to the reduction of the progress of the Sahara, where the temperature rise which is bordered by a mountain range separating the north from the south. Generally, there are only two seasons in the region, the summer heat and winter cold. Temperatures in winter range between 1.8 and 1.9 degrees Celsius this summer ranges between 33.1 and 37.6 degrees Celsius, while the rain measurements are weak due to the proximity of the semi-arid (dry climate). (B) plants: vegetation, which reflects the nature and characteristics in terms of climate and lower degree of that land. There are two types of plants in the Green Dam: -allenbataat forest: green oak (Quercus ilex) and pistachio tree of the atlas (Pistacia atlantica) and wild trees emulsion (Ziziphus lotus). -allenbataat Pastoral: usually composed of allies that exploits for the paper industry. C- land: land properties of the Green Dam is summarized as follows: with a depth not exceeding 60 cm sometimes, high amount of limestone active. A small amount of basic organic substances, pH (higher than 7.5) These characteristics support the erosion of the earth.
|
