Director General of Environmental Quality in the Municipality of Tehran: Tree felling is done under the management and supervision of the Natural Resources Organization/planting 10 trees for each felling. Some forest parks are affected by bark beetles; A plague that hit all levels at once due to being a single ship. The most important countermeasure is preventing the spread of the pest to other trees, and the reason for felling trees is to prevent the spread of this pest. The Municipality of Tehran has an agenda and we have announced that for every tree cut down, between 3 and 10 trees compatible with the climate of Tehran will be planted. The ownership of the forest parks belongs to the natural resources organization in the country, which transfers its management to the municipalities, and the municipalities are the beneficiaries; But if a tree is going to be cut down, it must be noted in the organization's park management plan, the natural resources organization must mark it and even supervise the process of cutting and moving. 60 years ago, two non-native species (alderica pine) were planted in Tehran. Second, species diversity was not observed and monoculture was established.

Director General of Environmental Quality in the Municipality of Tehran: Tree felling is done under the management and supervision of the Natural Resources Organization/planting 10 trees for each felling. Some forest parks are affected by bark beetles; A plague that hit all levels at once due to being a single ship. The most important countermeasure is preventing the spread of the pest to other trees, and the reason for felling trees is to prevent the spread of this pest. The Municipality of Tehran has an agenda and we have announced that for every tree cut down, between 3 and 10 trees compatible with the climate of Tehran will be planted. The ownership of the forest parks belongs to the natural resources organization in the country, which transfers its management to the municipalities, and the municipalities are the beneficiaries; But if a tree is going to be cut down, it must be noted in the organization's park management plan, the natural resources organization must mark it and even supervise the process of cutting and moving. 60 years ago, two non-native species (alderica pine) were planted in Tehran. Second, species diversity was not observed and monoculture was established.