Kick and Sweep transects were placed at pool and riffle sections along a segment of each sample creek. The other two sites sampled employed an Ekman Dredge, as the kick and sweep method was found to be unsafe or impractical. Collection was performed at both pool and riffle segments to create a representative sample community of specimens. 22) was executed using a standard D net with a 500micron mesh. RiverWatch has collected baseline data for Kruger, Neilan and Hurds Creeks which would be ideal streams to begin adding data to and to also develop confidence in one's monitoring skill.Īt all but two of the sample sites, the “Travelling Kick and Sweep” method (Fig. They are large enough to be seen and identified with the naked eye with minimal training,ĭifferent specimens are easily associated with water quality and ecosystem health because they have different levels of tolerance of poor living conditions and pollution. They are present in nearly all types of water bodes year round, generally in large quantities, There are several advantages to using benthic macroinvertebrates as indicators of stream health: ![]() Done over time a credible collection of macroinvertebrate data can be can be collected by volunteers.īenthic macroinvertebrates include larval and nymph forms of insects, while others are creatures that live in the water their entire lives such as crayfish, clams, and leeches. These bugs, called macroinvertebrates, are almost always present, and are easy to sample and identify. ![]() Biomonitoring the "bugs" living in the substrate at the bottom of a lake or stream is one of the most common and accurate ways of assessing the health of a lake's aquatic ecosystem.
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