ORIGINAL RESEARCH
		
		 
	
	
	
		Effects of Forest on Mean Annual Runoff
in North China
	
	
		Henian Wang1, 2, Weigang Xu1, 2, Manyin Zhang1, 2 , Lijuan Cui1, 2, Xinxiao Yu3
		
			
			Pol. J. Environ. Stud. 2018;27(2):889-896
		
		
			
	
	 
	
		
		
 
		
		
	
			ORIGINAL RESEARCH
		
		 
	
	
	
		Drought in Polish Forests in 2015
	
	
		Andrzej Boczoń, Anna Kowalska, Małgorzata Dudzińska, Michał Wróbel
		
			
			Pol. J. Environ. Stud. 2016;25(5):1857-1862
		
		
			
	
	 
	
		
		
 
		
		
	
			ORIGINAL RESEARCH
		
		 
	
	
	
		Effects of Forests on Amounts of CO2:
Case Study of Kastamonu and Ilgaz
Mountain National Parks
	
	
		Hakan Sevik1, Mehmet Cetin2, Nur Belkayali2
		
			
			Pol. J. Environ. Stud. 2015;24(1):253-256
		
		
			
	
	 
	
		
		
 
		
		
	
			ORIGINAL RESEARCH
		
		 
	
	
	
		Sulphur Input to the Niepołomice Forest: Changes
during 30 Years (Southern Poland)
	
	
		G. Szarek-Łukaszewska*
  
		
			
			Pol. J. Environ. Stud. 2003;12(2):239-244