Massachusetts North American Amphibian Monitoring Program Data

masspcru contains NAAMP data for Pseudacris crucifer (pcru) in Massachusetts from 2001 to 2007 in the raw long format.

data(masspcru)

Format

Data frame with

SurveyYear

Year of data collection.

RouteNumStopNum

Stop number.

JulianDate

Day of year.

Pcru

Observed calling index.

MinAfterSunset

Minutes after sunset of the observation.

Temperature

Temperature measured during observation.

Details

These data come from the North American Amphibian Monitoring Program. Please see the reference below for more details.

Source

https://www.pwrc.usgs.gov/naamp/

References

Mossman MJ, Weir LA. North American Amphibian Monitoring Program (NAAMP). Amphibian Declines: the conservation status of United States species. University of California Press, Berkeley, California, USA. 2005:307-313.

Examples

data(masspcru)
str(masspcru)
#> 'data.frame':	3216 obs. of  6 variables:
#>  $ SurveyYear     : int  2005 2005 2005 2005 2005 2005 2005 2005 2005 2005 ...
#>  $ RouteNumStopNum: Factor w/ 3034 levels "210202_1","210202_10",..: 1011 1013 1014 1015 1016 1017 1018 1019 1020 1012 ...
#>  $ JulianDate     : int  153 153 153 153 153 153 153 153 153 153 ...
#>  $ Pcru           : int  0 0 0 0 0 0 0 0 0 0 ...
#>  $ MinAfterSunset : int  74 84 96 114 131 144 163 179 193 204 ...
#>  $ Temperature    : int  12 12 11 11 11 11 11 11 12 12 ...