Published on McMurdo Dry Valleys LTER (https://mcm.lternet.edu)

PMMET_S

Description: 

P. murrayi metabolism experiment - sample info

File: 

File mcmlter-soil-crobinson-pmmet_s-20210831.csv

Variables (click to expand): 

DATASET_CODE
  • Label: Dataset code
  • Definition: Internal dataset code.
  • Type: Nominal
  • Missing values: None specified
SAMPLE_ID
  • Label: Sample ID
  • Definition: Sample identifiers, which incorporate species (PM = Plectus murrayi, CE = Caenorhabditis elegans, EC = Escherichia coli, BA = blank agar), sample replicate (1-5), and whether NaOH, NaCl, or H2O were held in a separate ampoule in the presence of the sample throughout the experiment.
  • Type: Nominal
  • Missing values: None specified
REPLICATE
  • Label: Replicate number
  • Definition: Sample replicate number associated with the sample ID. Blank cells = no replicates were associated with that sample ID.
  • Type: Nominal
  • Missing values: None specified
SPECIES
  • Label: Species name
  • Definition: Species name associated with the sample ID.
  • Type: Nominal
  • Missing values: None specified
AMPOULE_CONTENTS
  • Label: Inserted ampoule contents
  • Definition: For each sample ID, indicates media that was added to a separate ampoule (NaOH, NaCl, or H2O) that was held in the presence of the sample throughout the experiment. NaOH = 200 microLiters of .4 Molar NaOH. NaCl = 200 microLiters of .4 Molar NaCl. H2O = 200 microLiters sterile H2O Blank cells = NA.
  • Type: Nominal
  • Missing values: None specified
NEMATODE_COUNT
  • Label: Nematode count
  • Definition: Contains the numbers of nematodes that were present in each sample whether they were Plectus murrayi or Caenorhabditis elegans.
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
Source URL: https://mcm.lternet.edu/content/pmmets