藻類的采集和鑒定ppt課件(已修改)
2025-05-11 03:25 本頁面
【正文】 Identification and Collection of Algae胡韌暨南大學水生生物研究中心Sample CollectionMonitoring Site Selection1Monitoring Time Selection2Required Equipment3Collection methods4Monitoring Site Selection 11Segments that have very different water quality or pollution potential in specific areas should have more than one station.2Select monitoring sites that best represent water quality conditions of a water body.3Sites may be located below major pollution sources.Monitoring Site Selection 24Lakes and estuaries should have stations in the major arms and near the dam (reservoirs).5For routine monitoring in freshwater streams and rivers, sites must have either a stream flow gage or be suitable for conducting flow measurement. 6As a general rule, streams between 25 and 50 miles long require two stations.Monitoring Time Selection14 times/monthSampling frequencyAccording to different programSummerseasonalSpringSummerMonitoring Time SelectionFlow vBaseline monitoring includes samples collected over a range of flow conditions. FlowvWhen samples are collected during abnormally high or low flow, the abnormal conditions will be recorded in the field logbook and on the observation lines of the sample data form. Monitoring Time SelectionRain Last rainfall informa
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