Based on the line investigation and the quadrat investigation , species multiplicity in guizhou litchi karst secondary forest were studied .
在线路调查和样方调查的基础上,研究了贵州荔波拉桥喀斯特次生林的物种多样性。
1999 Year winter , the summer season , uses the quadrat survey procedure , has carried on the monitor to the ever green nature protection area panda habitat choice .
1999年冬、夏季节,采用样方调查法,对长青自然保护区大熊猫栖息地选择进行了监测。
Abscissa means the direction of west to east ; ordinate means the direction of south to north ; numerical means quadrat site .
各图横坐标为西向东方向,纵坐标为南向北方向,数值表示样方位点。
According to the quadrat investigation material , the author calculated typical herbaceous plant 's diversity index values in ulanbuh desert by using the diversity computational methods of plant community characteristics .