Phenology data for watermilfoil taxa Myriophyllum spicatum, M. sibiricum, and M. spicatum x M. sibiricum in Minnesota, USA, 2017 - 2018
2021-11-15
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2017-05-31
2018-11-07
2018-11-07
Date completed
2020-04-07
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Title
Phenology data for watermilfoil taxa Myriophyllum spicatum, M. sibiricum, and M. spicatum x M. sibiricum in Minnesota, USA, 2017 - 2018
Published Date
2021-11-15
Authors
Author Contact
Glisson, Wesley
wjglisson@gmail.com
wjglisson@gmail.com
Type
Dataset
Field Study Data
Observational Data
Field Study Data
Observational Data
Abstract
In North America, the hybrid aquatic plant Myriophyllum spicatum × Myriophyllum sibiricum (hybrid watermilfoil, HWM) is a cross between non-native invasive Eurasian watermilfoil (M. spicatum, EWM) and native northern watermilfoil (M. sibiricum, NWM). We compared HWM to its parental taxa, EWM and NWM, by examining the amount and timing of: 1) flowering, 2) surface cover, and 3) biomass (using stem counts as a proxy). We conducted repeat surveys of Myriophyllum beds at eight lakes (2–3 lakes/taxon) in the Minneapolis-St. Paul Metropolitan area (Minnesota, USA) between June 2017 and November 2018. To sample biomass without destroying plants, we developed a novel sampling device that uses underwater video to measure Myriophyllum stems; we validated the utility of this device by comparing Myriophyllum stem counts and biomass collected from the same locations. The data from these studies are provided and documented here.
Description
The files include data collected at each Myriophyllum sampling location over the course of the study, including data collected at the water's surface (Myriophyllum flower heads, Myriophyllum surface cover, and water chemistry) and data collected with the underwater video sampling device (Myriophyllum stem counts and vertical stem cover). Surface data include a single row for each site (i.e., point location) on each lake for each sampling event. The underwater stem data includes multiple rows for for each site on each lake for each sampling event; these rows correspond to four video subsamples collected at each site, and subsequent 0.5-m depth intervals at which Myriophyllum stems were assessed for each subsample. Additionally, there is a data file that includes biomass measurements that correspond to stem counts from video subsamples. Data across files can be linked via "siteID".
Referenced by
Glisson WJ, Verhoeven MR, Larkin DJ (2020) A new device for sampling submersed aquatic plants using underwater video. Journal of Aquatic Plant Management 58:76–82
Glisson WJ, Larkin DJ (2021) Hybrid watermilfoil (Myriophyllum spicatum × Myriophyllum sibiricum) exhibits traits associated with greater invasiveness than its introduced and native parental taxa. Biological Invasions 23(8): 2417–2433. https://doi.org/10.1007/s10530-021-02514-7
Glisson WJ, Larkin DJ (2021) Hybrid watermilfoil (Myriophyllum spicatum × Myriophyllum sibiricum) exhibits traits associated with greater invasiveness than its introduced and native parental taxa. Biological Invasions 23(8): 2417–2433. https://doi.org/10.1007/s10530-021-02514-7
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Funding information
U.S. Army Corps of Engineers Research and Development Center (Cooperative Agreement Number: W912HZ-16-2-0011)
Minnesota Aquatic Invasive Species Research Center
Minnesota Aquatic Invasive Species Research Center
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Previously Published Citation
Suggested citation
Glisson, Wesley J; Larkin, Daniel J. (2021). Phenology data for watermilfoil taxa Myriophyllum spicatum, M. sibiricum, and M. spicatum x M. sibiricum in Minnesota, USA, 2017 - 2018. Retrieved from the University Digital Conservancy, https://doi.org/10.13020/5xq3-wb66.
View/Download file
| File View/Open | Description | Size |
|---|---|---|
| myriophyllum_biomassData.csv | Data for Myriophyllum biomass and rake density measured at all Myriophyllum phenology sampling locations in October 2018 | 2.28 KB |
| myriophyllum_surfaceData.csv | Data collected from the water's surface at Myriophyllum phenology sampling locations 2017 - 2018 | 79.15 KB |
| myriophyllum_stemcountData.csv | Data collected with the underwater video sampling device at Myriophyllum phenology sampling locations 2017 - 2018 | 1.82 MB |
| Readme_Myriophyllum_phenologyData.txt | Readme file describing the data | 18.96 KB |
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