Ecologyisnotavery'old'science,withaboutonehundredyearsofhistory.Intheearlyperiod,thegeneralattitudewasthatthestudyofundisturbedecologicalsystemswillprovideuswithcluesofhowtheworldisorganised.Tounderstandthisworld,weshouldstudythe
生物安全学报
2011年4期