Abstract:
:Electrofishing is widely used to monitor fish species composition and relative abundance in streams and lakes. According to standard protocols, multiple segments are selected in a body of water to monitor population relative abundance as the ratio of total catch to total sampling effort. The standard protocol provides an assessment of fish distribution at a macrohabitat scale among segments, but not within segments. An ancillary protocol was developed for assessing fish distribution at a finer scale within electrofishing segments. The ancillary protocol was used to estimate spacing, dispersion, and association of two species along shore segments in two local reservoirs. The added information provided by the ancillary protocol may be useful for assessing fish distribution relative to fish of the same species, to fish of different species, and to environmental or habitat characteristics.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Miranda LEdoi
10.1007/s10661-014-4053-6subject
Has Abstractpub_date
2014-12-01 00:00:00pages
8899-905issue
12eissn
0167-6369issn
1573-2959journal_volume
186pub_type
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