Hyporheic zone sediment diatoms

File: 

HZSEDS_DIATOMS_0.csv (117.08 KB)

...or query the dataset by variables and dates of interest:

Variables
DATASET_CODE
  • Label: Dataset code
  • Definition: Internal dataset code.
  • Type: Nominal
  • Missing values: None specified
STREAM
  • Label: Stream name
  • Definition: Name of the stream where sample was collected.
  • Type: Nominal
  • Missing values: None specified
SAMPLE_DATE
  • Label: Sample date
  • Definition: Date samples were collected.
  • Type: Date/time
  • Date format: MM/DD/YYYY
  • Missing values: None specified
SAMPLE_ID
  • Label: Sample identifier
  • Definition: Unique sample identifier that contains the geomorphology type, the transect number, and the lateral position. Sample identifiers are based on location, e.g., P1-3 refers to a sample collected from pool transect number 1 (upper transect) and at position 3 of 5 across the transect.
  • Type: Code list
  • Codes:
    • M = meander
    • P = pool
    • R = riffle
  • Missing values: None specified
TRANSECT
  • Label: Transect identifier
  • Definition: Transect identifier. Transects are numbered from north to south.
  • Type: Code list
  • Codes:
    • M = meander
    • P = pool
    • R = riffle
  • Missing values: None specified
GEOMORPH
  • Label: Geomorphic classification
  • Definition: Geomorphic classification type of the sample/transect location.
  • Type: Nominal
  • Missing values: None specified
LATERAL_POSITION
  • Label: Lateral position
  • Definition: Lateral position of the sample across the transect.
  • Type: Code list
  • Codes:
    • 1 = margin of the wetted zone (inside bank for meanders)
    • 2 = intermediate
    • 3 = stream thalweg
    • 4 = intermediate
    • 5 = margin of the wetted zone (outside bank for meanders)
  • Missing values: None specified
TAXON_ID
  • Label: Taxon identifier
  • Definition: Taxon identifier relates observed species to current (as of August 2020) taxonomy updated to the Antarctic Freshwater Diatoms Database: http://huey.colorado.edu/diatoms/taxa/index.php
  • Type: Nominal
  • Missing values: None specified
SPECIES
  • Label: Species
  • Definition: Genus and specific epithet of species using taxonomy current as of August 2020.
  • Type: Nominal
  • Missing values: None specified
ABUNDANCE
  • Label: Relative abundance
  • Definition: Qualitative, percent relative abundance for each species in each sample.
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
Data Source Details

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1

Orientation: 

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Quote character: 

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Field delimiter: 

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