Subset the data | North Temperate Lakes

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Column	Definition	Unit
year4	year	nominalYear
lakename	lake name
transect_name	Name of transect
transect_number	transect number
transect_code	A code combining transect name and number
distance_from_shore	distance from shore to sample location	meter
trap_setdate	the date the infall trap was set or re-set at which point the trap started with zero midges
trap_collectdate	the date the infall trap was emptied usually followed by being immediately re-set.
time_period_code	Code for the time period between midge traps being set and collected: YYYYMMDDMMDD
days	Duration of trap catch in number of days	number
count_chiron	The total number of Chironomus islandicus in the tray accounting for subsampling. If subsampling was performed calculated as (rawcount_chiron/fracsub_chiron).	number
count_tany	The total number of Tanytarsus gracilentus in the tray accounting for subsampling. If subsampling was performed calculated as (rawcount_tany/fracsub_tany)	number
count_simuliidae	The total number of midges identified to the family level of Simuliidae in the tray accounting for subsampling. If subsampling was performed calculated as (rawcount_simuliidae/fracsub_simuliidae)	number
count_other	The total number of other arthropods in the tray accounting for subsampling.
notes	Notes from when the samples were collected

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National Science Foundation | LTER Network | Center for Limnology

This material is based upon work supported by the National Science Foundation under Cooperative Agreement #DEB-2025982, NTL LTER. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.