We concludes that the selected herbicide for smooth cordgrass does not obviously affect community composition and the habitats of benthic species , the coherent variation trend of benthic community composition correlates with time between experimental zone and controlled zone 这表明互花米草防除药物对底栖生物群落组成结构及其生境的干扰不大,试验区与对照区底栖生物群落组成结构总体一致的变化趋势与时序有关。
In the northwestern new territories , the epd currently monitors 13 rivers , all situated within the deep bay water control zone . they include the three main rivers of north district , four major rivers around yuen long , and six smaller streams in the vicinity of lau fau shan 环保署在新界西北部区域共监测13条河溪,均位于后海湾水质管制区范围内,其中包括新界北区的三条重要河道元朗附近的四条主要河道及位于流浮山的六条小河溪。
The tuen mun river is in the north western water control zone , while kai tak nullah and two minor streams are situated in the victoria harbour water control zone , and another minor stream near sham tseng is in the western buffer water control zone . photo of tuen mun river in the 1980s 其中包括位于西北部水质管制区的屯门河,维港水质管制区范围内的启德明渠及区内的另外两条小河溪,此外环保署也定期监测位于西部缓冲区水质管制区内深井附近的一条小溪。
Within the eastern new territories , the epd monitors a total of ten rivers , situated within three different water control zones . within the tolo harbour wcz the most important is the shing mun river in sha tin , but five other rivers in the tai po district are also monitored . also monitored are three watercourses in sai kung port shelter wcz , and one near tseung kwan o junk bay wcz 环保署在新界东部区域监测十条河溪,这些河溪分布于三个水质管制区内,在吐露港水质管制区内最重要的是沙田城门河,此外我们亦监测大埔区内的五条河溪近西贡的三条河溪牛尾海水质管制区和一条位于将军澳的河溪将军澳水质管制区。