Page 198 - Freshwater-Biology-and-Ecology-Handbook
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CHAPTER 4     3.3














































                                                                                                   Figure 4.13
                                                        Sampling an underground stream with a standard pond net. Note the handle on
                                                      this otherwise standard net can be unscrewed into three short lengths to fit into a
                                                            backpack, making it easier to carry in confined spaces. (Photo Lee Knight)
































                                                                                                   Figure 4.14
                                             Sampling an underground stream – emptying the net into a sample container (Photo Lee Knight)


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