Dataset Overview

Raw phytoplankton biomass data collected from Lake Erken at the "Buoy" site (primarily) and three other sites (very few instances) weekly, for 1991-2017. See QAQC Notes for details and also the PhytoMetaData file. See Notes on how to acknowledge data provider.

See Full Dataset Documentation


Please see GEISHA Project home page on FEMC website at or see the GEISHA website hosted by INRAE at

Data Collection Status

Data collection for this dataset has been completed

Start date


End date



103909 records with 13 fields

Data Availability

Data are available upon request

Preferred Citation

Stockwell JD, Brentrup JA, Bruel R, Doubek JP, Patil VP, Urrutia-Cordero P, Pierson D (2021) Lake Erken raw phytoplankton data, 1991-2017. Global Evaluation of the Impacts of Storms on freshwater Habitat and structure of phytoplankton Assemblages (GEISHA) Working Group, FRB Centre for the Synthesis and Analysis of Biodiversity and USGS John Wesley Powell Center. Available online at:

Update Frequency

As needed

Maintenance Plan

Not provided


No links available for this dataset

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Determining Dataset Similarity
Previous Versions
    • Version 2 - V 2 (created 2020-08-06 by Jason Stockwell)
    • Version 1 - V 1 (created 2020-07-27 by Jason Stockwell)