Metadata:
  Identification_Information:
    Citation:
      Citation_Information:
        Originator: Just Cebrian
        Publication_Date: 2004
        Title: Compilation of Net Primary Productivity and Producer Nutritional Quality Data Sets from 1962 - 2000 for Ecosystem Carbon Flow Study
        Online_Linkage: http://ecosystemslab.disl.org/Papers/paper3.html
        Larger_Work_Citation:
          Citation_Information:
            Originator: J. Cebrian and J. Lartigue
            Publication_Date: 2004
            Title: Patterns of herbivory and decomposition in aquatic and terrestrial ecosystems
            Series_Information:
              Series_Name: Ecology Letters
              Issue_Identification: 7: 232-240
    Description:
      Abstract: Herbivores and detritus consumers (i.e. microbial decomposers and invertebrate and vertebrate detritivores) are pivotal components of trophic food webs and thus play a paramount role in the trophic transference and turnover of roducer-fixed
carbon.  Hence, elucidating patterns in carbon flux through these first-order consumers is important to understand the nature and controls of carbon flow in ecosystems.  Here, using the largest literature compilation to date, I show that, in contrast with the current belief, aquatic herbivores accumulate on average three times as much biomass as do terrestrial herbivores for a given level of primary production and, as a
consequence, turn over the ingested carbon only slightly faster than do terrestrial herbivores.  Conversely, aquatic detritus consumers generally accumulate a much lower biomass (i.e. over ten times lower) than their terrestrial counterparts for a given level of primary production and, thus, they turn over the ingested carbon much more quickly (i.e. over ten times faster).
  Because the detrital pathway generally dominates the trophic flow of carbon in both aquatic and terrestrial ecosystems, carbon also tends to flow through the total compartment of first rder-consumers (both herbivores and detritus consumers) at a much faster rate in aquatic than in terrestrial ecosystems. Thus, aquatic systems, due to faster carbon recycling rates through their basal and first-order levels of the food chain,
appear to have a lower capacity than do errestrial systems for retaining carbon under natural or anthropogenic increases in photosynthetic fixation.
      Purpose: data set corresponds to the plots and statistical analyses presented in the paper referenced below
    Time_Period_of_Content:
      Time_Period_Information:
        Range_of_Dates/Times:
          Beginning_Date: 1962
          Ending_Date: 2000
      Currentness_Reference: publication date
    Status:
      Progress: Complete
      Maintenance_and_Update_Frequency: None Planned
    Spatial_Domain:
      Bounding_Coordinates:
        West_Bounding_Coordinate: -122.3
        East_Bounding_Coordinate: 151.05
        North_Bounding_Coordinate: 61.167
        South_Bounding_Coordinate: -41.0
    Keywords:
      Theme:
        Theme_Keyword_Thesaurus: None
        Theme_Keyword: herbivory
        Theme_Keyword: detritivory
        Theme_Keyword: first-order consumers
        Theme_Keyword: primary production
        Theme_Keyword: plant nutrient content
      Place:
        Place_Keyword_Thesaurus: None
        Place_Keyword: America
        Place_Keyword: Europe
        Place_Keyword: Asia
        Place_Keyword: Australia
    Access_Constraints: None
    Use_Constraints: None
    Data_Set_Credit: Melissa Kincke and Connie Mallon
  Entity_and_Attribute_Information:
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: reference
        Entity_Type_Definition: Journal source (including author and  year of publication) for data
        Entity_Type_Definition_Source: Cebrian, DISL
      Attribute:
        Attribute_Label: community type
        Attribute_Definition: Unknown
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: communities of freshwater phytoplantkton
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: freshwater benthic microalgal beds
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: marine benthic microalgal beds
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: marine macroalgal beds
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: meadows of freshwater submerged macrophytes
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: seagrass meadows
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: tundra shrublands and grasslands
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: freshwater and marine marshes
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
      Attribute:
        Attribute_Label: ecosystem type
        Attribute_Definition: Unknown
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: aquatic
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
          Enumerated_Domain:
            Enumerated_Domain_Value: terrestrial
            Enumerated_Domain_Value_Definition: Unknown
            Enumerated_Domain_Value_Definition_Source: Unknown
      Attribute:
        Attribute_Label: NPP
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.070628
            Range_Domain_Maximum: 7493.4865
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: leaf P
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 112.42
            Range_Domain_Maximum: 441.65
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: DP
        Attribute_Definition: (gCm-2 yr-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.052378
            Range_Domain_Maximum: 2916.583600
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: leaf DP
        Attribute_Definition: (gC m-2 yr-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 111.325000
            Range_Domain_Maximum: 383.250000
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: D
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 1.430362
            Range_Domain_Maximum: 7205.611
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: DB
        Attribute_Definition: (gC m-2)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.074
            Range_Domain_Maximum: 361.7
            Attribute_Units_of_Measure: Unknown
      Attribute:
        Attribute_Label: H
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.01825
            Range_Domain_Maximum: 1758.935000
      Attribute:
        Attribute_Label: %NPP consumed
        Attribute_Definition: Unknown
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.054983
            Range_Domain_Maximum: 100.000000
      Attribute:
        Attribute_Label: HB
        Attribute_Definition: (gC m-2)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.006353639
            Range_Domain_Maximum: 81.6
      Attribute:
        Attribute_Label: TC
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 11.4615694
            Range_Domain_Maximum: 1067.110000
      Attribute:
        Attribute_Label: CA
        Attribute_Definition: (gC m-2 y-1)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.001095
            Range_Domain_Maximum: 1868.800000
      Attribute:
        Attribute_Label: Nbiomass
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.079
            Range_Domain_Maximum: 9.7
      Attribute:
        Attribute_Label: Pbiomass
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.00339
            Range_Domain_Maximum: 1.5
      Attribute:
        Attribute_Label: k (day-1)
        Attribute_Definition: Unknown
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.000016
            Range_Domain_Maximum: 0.0988
      Attribute:
        Attribute_Label: Ndetritus
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.07
            Range_Domain_Maximum: 8.94
      Attribute:
        Attribute_Label: Pdetritus
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.004
            Range_Domain_Maximum: 1.7
      Attribute:
        Attribute_Label: Ndp
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.079
            Range_Domain_Maximum: 4.36
      Attribute:
        Attribute_Label: Pdp
        Attribute_Definition: (%DW)
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Range_Domain:
            Range_Domain_Minimum: 0.01159
            Range_Domain_Maximum: 1.02
      Attribute:
        Attribute_Label: reference
        Attribute_Definition: Name and Date of Research
        Attribute_Definition_Source: Unknown
        Attribute_Domain_Values:
          Unrepresentable_Domain: Names of researchers and dates of publication
    Overview_Description:
      Entity_and_Attribute_Overview: 1st column: Reference (authors and date; see references in word file for complete mention) 
2nd column:  Community type
3rd column: Ecosystem type
4th column: Net primary production (NPP); in gC m-2 yr-1
5th column: Leaf production (leaf P); in gC m-2 yr-1
6 th column: Detrital production (DP); in gC m-2 yr-1 
7th column: Leaf detrital production (leaf DP); in gC m-2 yr-1 
8th column: Decomposition/Detritus consumption  (D); in gC m-2 yr-1 
9th column: Biomass of detritus consumers (DB); in gC m-2 
10th column: Consumption by herbivores (H); in gC m-2 yr-1 
11th column: Percentage of production consumed by herbivores (%NPP consumed) 
12th column: Herbivore biomass (HB); in gC m-2 
13th column: Total consumption by first-order consumers (TC); in gC m-2 yr-1 
14th column: Carbon accumulation (CA); in gC m-2 yr 
15th column: Nitrogen concentration in producer biomass (Nbiomass); in % of dry weight 
16th column: Phosphorus concentration in producer biomass (Pbiomass); in % of dry weight 
17th column: Decomposition rate (k); in day-1 
18th column: Nitrogen concentration in producer detritus (Ndetritus); in % of dry weight 
19th column: Phosphorus concentration in producer detritus (Pdetritus); in % of dry weight 
20th column: Producer nitrogen concentration used in the regressions vs. Detrital Production and Decomposition (Ndp); in % of dry weight- see note 5 
21st column: Producer phosphorus concentration used in the regressions vs. Detrital Production and Decomposition (Pdp); in % of dry weight- see note 5
      Entity_and_Attribute_Detail_Citation: Grazing on Benthic Primary Producers.
      Entity_and_Attribute_Detail_Citation: The influence of Primary Producers of Estuarine Cycling.
  Metadata_Reference_Information:
    Metadata_Date: 20070227
    Metadata_Contact:
      Contact_Information:
        Contact_Person_Primary:
          Contact_Person: Just Cebrian
          Contact_Organization: Dauphin Island Sea Lab
        Contact_Address:
          Address_Type: mailing
          Address: 101 Bienville Blvd.
          City: Dauphin Island
          State_or_Province: Alabama
          Postal_Code: 36528
        Contact_Voice_Telephone: 251-861-7568
    Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
    Metadata_Standard_Version: FGDC-STD-001-1998
