| and_vertebrates {lterdatasampler} | R Documentation |
Cutthroat trout and salamander length and weights in Mack Creek, Andrews Forest LTER
Description
Includes count and size data for cutthroat trout and salamanders in clear cut or old growth sections of Mack Creek, Andrews Forest LTER.
Usage
and_vertebrates
Format
A tibble with 32,209 rows and 16 variables:
- year
a number indicating the observation year
- sitecode
a character denoting the coded name of sample area
- section
a character denoting the section in Mack Creek (CC = clear cut forest, OG = upstream old growth coniferous forest)
- reach
a character denoting the reach sampled from each section; L = lower reach (0 - 50 meters), M = middle reach (50 - 100 meters), U = upper reach (100 - 150 meters))
- pass
a number denoting the electroshocking pass number, either 1 or 2
- unitnum
a number denoting the channel unit number
- unittype
a character denoting the channel unit classification type (C = cascade, I = riffle, IP = isolated pool (not connected to channel), P = pool, R = rapid, S = step (small falls), SC = side channel, NA = not sampled by unit)
- vert_index
a number denoting the unique index for each vertebrate
- pitnumber
a number denoting the unique tag number embedded into vertebrate (tagging started in 2007)
- species
a character denoting species measured
- length_1_mm
a number denoting vertebrate length in millimeters; total or snout-fork length for trout, and snout-vent length for salamanders
- length_2_mm
a number denoting snout-tail length in millimeters (for Coastal giant salamander only)
- weight_g
a number denoting vertebrate mass in grams
- clip
a character denoting the fin clip type for cutthroat trout, ended in 2006 (LV = left ventral fin; LVRV = left and right ventral fins; RV = right ventral fin; NONE = no ventral fin clip)
- sampledate
a date denoting the date of observation
- notes
a character denoting additional comments
Source
Gregory, S.V. and I. Arismendi. 2020. Aquatic Vertebrate Population Study in Mack Creek, Andrews Experimental Forest, 1987 to present ver 14. Environmental Data Initiative. doi:10.6073/pasta/7c78d662e847cdbe33584add8f809165