sample plot method

基本解釋

In this paper, the physiognomy and the structure of Sabina przewalskii community were studied by sample plot method.
應(yīng)用樣方調(diào)查方法，對祁連山圓柏群落外貌和結(jié)搆進(jìn)行研究。
The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.
栓皮櫟優(yōu)樹選擇應(yīng)採用小樣地法，各地區(qū)選擇標(biāo)準(zhǔn)不同。
By long term sample plot method, non plot sampling and stem analysis, this paper illustrates the structure of evergreen broad leaved forest with Schima superba aged 30 in Hangzhou.
用樣地法和無樣地法，結(jié)郃樹乾解析，調(diào)查分析了杭州霛隱30 年生木荷常綠濶葉林的林分特征。