zawar broke.ording to the deputy director of watershed management in east mazandaran, no watershed measures have been taken in the 55-hectare area of chacham, the same place where the flood occurred. more than 20 hectares can be directly said that. he did not see the flood. the volume of fallen trees and flowering trees transported downstream is less, which was due to the influence of such mechanical structures. mr. amani kalarijani, who has been engaged in aquaculture business in this village for 30 years, tells about the floods that destroyed his fish breeding ponds several times. did. if it wasn't for selunda paland , paland himself would have taken roodgar, we were injured here. our livestock could have been saved a lot against the recent flood. in the 150,000-hectare swadkoh watershed, 190 hectares of biological operations and 2,140 cubic meters of mechanical operations were carried out in the miandereh paland watershed, similar to the cham cham watershed, with 49 mm of rainfall, but in thi