ارزيابي فرآيند لغزش در باغ هاي چاي نواحي نواحي كوهستاني شرق گيلان

Evaluation Of The Land Slide Of Tea Plant Farms In The Mountainous Areas Of The East Of Gilan

It is the sliding and immediate and massive movement of a mass of soil and the materials of the surface of the slopes which is transferred to the lower part of the slopes . Frequent occurrence of the sliding in the tea plant farms in mountainous areas in the east of Gilan cause a decline in the level of the tea plant Plantation. Therefore the amount of tea production is declined every year in order to of the deficiention and the needs of tea consumption , a great deal of is sending abroad for importation . In addition the decline in tea production impose a great financial damage to the tea plant farmers of the Area . Therefore , the recognition of this phenomenon , introduction of sliding places and the elements effective on slidings in the tea plant farms in east of Gilan can be useful for planners as basic surveys and the outcome of the research can help the national and local economy. So this article which is a summary of the final report of a research which has been done in 1375 by the author is presented with following goals: I- Introduction of the elements effective on the establishment of the sliding and prioritization of them. 2- Recognition and introduction of sliding places or the places disposed of the occurrence of sliding and prioritization of the areas according to the proportion of frequency of the slidings.