00568naa#a2200181#i#450# EN\\bibl\3293 20241202193335.1 2073-0462 20141010b2014####ek#y0engy0150####ca RUS RU Condition of birch forests of sublime Zavolzhye(Transvolga) of the Republic of Tatarstan after a drought of 2010 Journal article Kazan Kazan state agrarian University 2014 4 с. Journal article local Gazizullin Akhmadulla Singatullin Irek zh-szf.ru