NRSA_2009: Western Mountains Ecoregion Rivers and Streams
In mhweber/spsurvey: Spatial Survey Design and Analysis
Description
A dataset containing attributes for Western Mountains Ecoregion rivers and
streams sampled by the U.S. Environmental Protection Agency (EPA) during the
National Rivers and Streams Assessment (NRSA) surveys for 2004-2006 and
2008-2009.
Usage
1
Format
A data frame with 668 rows and 13 attributes:
- siteID
site ID value.
- xcoord
Albers projection x-coordinate.
- ycoord
Albers projection y-coordinate.
- wgt
survey design weight.
- Survey
survey identifier, which is either WSA or NRSA.
- Revisit_Site
identifier of revisit sites for the two surveys, where
Y = a revisit site and N = not a revisit site.
- Stream_Size
stream size category, which is either large or small.
- NTL
total nitrogen concentration.
- PTL
total phosphorus concentration.
- Benthic_MMI
value of the benthic macroinvertebrate multimetric index
(MMI).
- NTL_Cond
condition class category of the total nitrogen value.
- PTL_Cond
condition class category of the total phosphorus value.
- Benthic_MMI_Cond
condition class category of the benthic MMI value.
mhweber/spsurvey documentation built on Sept. 17, 2020, 4:24 a.m.
R Package Documentation
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Description
A dataset containing attributes for Western Mountains Ecoregion rivers and streams sampled by the U.S. Environmental Protection Agency (EPA) during the National Rivers and Streams Assessment (NRSA) surveys for 2004-2006 and 2008-2009.
Usage
1 |
Format
A data frame with 668 rows and 13 attributes:
- siteID
site ID value.
- xcoord
Albers projection x-coordinate.
- ycoord
Albers projection y-coordinate.
- wgt
survey design weight.
- Survey
survey identifier, which is either WSA or NRSA.
- Revisit_Site
identifier of revisit sites for the two surveys, where Y = a revisit site and N = not a revisit site.
- Stream_Size
stream size category, which is either large or small.
- NTL
total nitrogen concentration.
- PTL
total phosphorus concentration.
- Benthic_MMI
value of the benthic macroinvertebrate multimetric index (MMI).
- NTL_Cond
condition class category of the total nitrogen value.
- PTL_Cond
condition class category of the total phosphorus value.
- Benthic_MMI_Cond
condition class category of the benthic MMI value.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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