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Winter Algal Communities: Algal community dyanmics during winter

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  • Forest Ecosystem Monitoring Cooperative

    • Address:
      705 Spear Street
      South Burlington, Vermont 05403
      United States of America

      Phone: (802) 391-4135
      Email: femc@uvm.edu
      Website: www.uvm.edu/femc

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    Determine the response of winter algal communities to changes in environmental conditions: flow, light and nutrient availability.

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  • Jim Hoffman: dataset_eml_peoplecontentprovider

  • Greg Gustina: dataset_eml_peopleprincipleinvestigator

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  • dataset_eml_locationcords

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  • dataset_eml_datatabletitle: Algal community dyanmics during winter
  • dataset_eml_datatablestartdate: 1993-12-01
  • dataset_eml_datatableendate: 1996-05-01
  • dataset_eml_datatabledescription: Determine the response of winter algal communities to changes in environmental conditions: flow, light and nutrient availability. Data found in Appendix A,B,and C in Documents/Images.

  • dataset_eml_datatablepurpose:

  • dateset_eml_datatableshortname:

  • dataset_eml_datatablephysicalobjectname: VMC.29.1029

  • dataset_eml_datatabledatatype: mySQL
  • dataset_eml_datatablecitation: Greg Gustina. 1996. Algal community dyanmics during winter. University of Vermont. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/winter-algal-communities/dataset/Algal-community-dynamics-during-winter

  • dataset_eml_datatableonlinedistribution: https://vmc.w3.uvm.edu/vmcdevel/CI4/data/archive/project/winter-algal-communities/dataset/Algal-community-dynamics-during-winter

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  • dataset_eml_methodsPast (dataset_eml_notInUse)
    • Algal samples
      • dataset_eml_methodsStartDate: 1994-08-01
        dataset_eml_methodsEndDate: 1995-03-31
      • dataset_eml_methoddescription: Algal samples were collected between August 1994 and January 1995, and cell densities of 3 taxa were counted: Chamaesiphon sp., Lyngbya subtilits, and Synechocystis sp. as a baseline for diversity. Algal samples were also collected on 3 occasions during February and March 1995, using low light, high light and slow flow, fast flow treatments.

    • Measuring effects of light and flow
      • dataset_eml_methodsStartDate: 1994-01-01
        dataset_eml_methodsEndDate: 1994-04-05
      • dataset_eml_methoddescription: The effect of a 300-450% difference in light and doubling of flow on periphyton was tested by collecting 100 or more stream rocks, removing periphyton and processing it for chlorophyll a and ash free dry mass.

    • Treatment effects on colonization
      • dataset_eml_methodsStartDate: 1994-01-01
        dataset_eml_methodsEndDate: 1994-04-05
      • dataset_eml_methoddescription: 100 uncolonized clay tiles were added to each treatment and collected at the end of the experiment to determine the treatment effects on colonization.

    • Nutrient availability
      • dataset_eml_methodsStartDate: 1994-02-04
        dataset_eml_methodsEndDate: 1994-03-17
      • dataset_eml_methoddescription: Nutrient availability was determined using stream water samples analyzed for nitrate, ammonia, soluble reactive phosphorus, and total phosphorus.

    • Determination of periphyon limiting factor
      • dataset_eml_methodsStartDate: 1995-01-05
        dataset_eml_methodsEndDate: 2004-08-02
      • dataset_eml_methoddescription: Clay saucers filled with agar containing N, P, N & P or no nutrients were submerged in the stream for 2 months, then sampled for chlorophyll a and ash free dry mass to determine whether periphyon were nitrogen or phosphorus limited.

    • dataset_eml_methodsUnnamed
      • dataset_eml_methodsStartDate: 1995-01-05
        dataset_eml_methodsEndDate: 2004-08-02
      • dataset_eml_methoddescription: Ended low light treatments

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