Identifier: knb-lter-sbc.14.13 (in the knb Catalog System)

Data Table

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Name: Historical kelp biomass
Description: Time series of giant kelp biomass along the coasts of California and Baja, Mexico
Number of Columns: 12
Table Structure:
Object Name: Historical_Kelp_Data.csv
Size: 2375561 byte
Text Format:
Number of Header Lines: 1
Record Delimiter: \r\n
Orientation: column
Simple Delimited:
Field Delimiter: ,
Collapse Delimiters: no
Quote Character: "
Table Column Descriptions
  Date of the Survey Year Calendar Month Calendar Day Geographic Region Kelp Bed Code Bed Name Harvested Kelp Total Biomass Amount of Avalaible Kelp Date of Previous Survey Notes
Column Name date  
year  
month  
day  
region  
bed_number  
bed_name  
harvested  
total  
available  
date_of_previous_survey  
notes  
Definition The Date of the aerial survey Year survey occurred Calednar month survey occurred Day of the month survey occurred The geographic region of the bed, Central, Southern or Baja California Bed numbers in California (central and southern) and Baja were assigned by different bodies and are unique only within a region. (see Methods) Common name of kelp bed (98 beds total) Amount of kelp harvested (tons) since the previous survey. Note: harvest data are only available after March 25, 1991. Total biomass (tons) of kelp in the bed observed by the aerial survey. note: In early surveys, ISP Alginates labeled this column "Maximum". Amount of kelp (tons) available and accessible for harvesting. In early surveys ISP Alginates labeled this column "Minimum". Date of the previous aerial survey. Observer notes
Storage Type date  
date  
date  
date  
string  
string  
string  
float  
float  
float  
date  
string  
Measurement Type dateTime dateTime dateTime dateTime nominal nominal nominal ratio ratio ratio dateTime nominal
Measurement Values Domain
Format MM/DD/YYYY
Precision 1
Format YYYY
Precision 1
Format MM
Precision 1
Format DD
Precision 1
Allowed values and definitions
Definition any text
Definition any text
Unit ton
Precision 1
Type real
Min 0.0 
Max 100000 
Unit ton
Precision 1
Type real
Min 0.0 
Max 100000 
Unit ton
Precision 1
Type real
Min 0.0 
Max 100000 
Format mm/dd/yyyy
Precision 1
Definition any text
Missing Value Code
Code -999999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Code -999999
Expl not available, or not collected
Code -99999
Expl not available, or not collected
Accuracy Report                        
Accuracy Assessment                        
Coverage                        
Methods