R Dataset / Package Stat2Data / Gunnels

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-41661.csv 39.05 KB
Documentation

Gunnels

Description

Presence/absence of gunnels (eels) at shoreline quadrats

Format

A dataset with 1592 observations on the following 10 variables.

Gunnel 1= gunnel present in the quadrat or 0=gunnel absent
Time Minutes after midnight
Fromlow Time in minutes from low tide
Slope Slope (to nearest 10 degrees) perpendicular to waterline
Rw Percentage cover in quadrat of rockweed/algae/plants
Amphiso Density of crustacean food 0=none to 4=high
Subst Substratum: 1=solid rock, 2=rocky cobbles, 3=mixed pebbles/sand, 4=fine sand,
5=mud, 6=mixed mud/shell detritus, 7=cobbles on solid rock, 8=cobbles on mixed pebbles/sand,
9=cobbles on fine sand, 10=cobbles on mud, 11=cobbles on mixed mud/shell detritus,
12=cobbles on shell detritus, 13=shell detritus
Pool Standing water deep? 1=yes or 2=no
Water Standing water in the quadrat? 1=yes or 2=no
Cobble Rocky cobbles? 1=yes or 2=no

Details

This datset comes from a study on the habitat preferences of a species of eel, called a gunnel. Biologist Jake Shorty sampled quadrats along a coastline and recorded whether or not the species was found in the quadrat.

Source

Thanks to Jake Shorty, Bowdoin biology student, for this dataset.

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Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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