Data from: Impact of native and non-native aquatic plants on methane emission and phytoplankton growth

Grutters BMC, Aben RCH, Kosten S, Bakker ES

Date Published: September 25, 2017

DOI: https://doi.org/10.5061/dryad.6hf6b

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Title Water abiotics measurements
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Description Variables: ID, Species, Density and Replicate are explained in metadata document. Each ID is an experimental unit. The variable Date gives date at which the following variables were measured: Temperature, pH1, Oxygen, Conductivity, Alkalinity, pH2, Turbidity, TON, NH4, PO4, NO2, NO3
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Title epiphyton
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Description Epiphyton data from PVC strips. Variable mesocosmID links to metadata.txt file. Variable Sample links to original raw spectrophotometer file. Variable date gives the date. The following four variables were used to calculate the epiphyton and pheopigment density per surface area (last threecolumns): 665-0, 750-0, 665-a, 750-a, chl-a (ug), pheo (ug), surface (cm2)
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Title filamentousalgae
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Description Gives the amount of filamentous algal biomass that was removed per mesocosm (links to metadata.txt) for each date (columns).
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Title gasdata
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Description Raw output of Los Gatos measurements on greenhouse gas. Use gasmetadata.txt to infer when actual measurements took place.
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Title gasmetadata
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Description Is used to make sense of gasdata.txt in that it holds the timepoints (Time-In) and some metadata on experimental units (mesocosmID, Block). The variable Seconds is the recalculated timepoint on gasdata.txt using the time-in.
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Title overall-metadata
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Description Holds the metadata on the experimental units used in the experiment, comprising of a number for each mesocosm (mesocosmID), the name of the plant that grew in the mesocosm (plantName), a codified plant name (plantCode), its initial density (density), the replicate number assigned (replicate), the spatial position in the experimental mesocosm configuration (X, Y), the date at which the mesocosm was harvested (harvestDate) and whether a species is native or non-native (plantOrigin)
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Title phytoplankton
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Description Data on the phytoplankton measurements (twice per week). First metadata (ID Species Density Replicate), then actual data of Phytopam results: Diluted, GAIN, green (ug/l), yield, blue (ug/l), yield, brown (ug/l), yield, sumchl, DATE
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Title plants
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Description Data on plant biomass with variables mesocosmID (links to metadata.txt), DM.g.end (gives plant dry weight at harvest), PVI-after-acclimation (gives plant PVI three weeks after being planted), FM.g.start (fresh plant biomass at planting) and DMC (dry matter content).
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When using this data, please cite the original publication:

Grutters BMC, Aben RCH, Kosten S, Bakker ES (2017) Impact of native and non-native aquatic plants on methane emission and phytoplankton growth. Aquatic Invasions, online in advance of print. http://www.aquaticinvasions.net/2017/Inland/AI_2017_Grutters_etal_correctedproof.pdf

Additionally, please cite the Dryad data package:

Grutters BMC, Aben RCH, Kosten S, Bakker ES (2017) Data from: Impact of native and non-native aquatic plants on methane emission and phytoplankton growth. Dryad Digital Repository. https://doi.org/10.5061/dryad.6hf6b
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