Factors influencing the distribution of invasive hybrid (myriophyllum spicatum x m. sibiricum) watermilfoil and parental taxa in minnesota

Jasmine A. Eltawely; Raymond M. Newman; Ryan A. Thum

doi:10.3390/d12030120

Factors influencing the distribution of invasive hybrid (myriophyllum spicatum x m. sibiricum) watermilfoil and parental taxa in minnesota

Jasmine A. Eltawely, Raymond M. Newman, Ryan A. Thum

Fisheries, Wildlife, and Conservation Biology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Eurasian watermilfoil (Myriophyllum spicatum L.) hybridizes with the native northern watermilfoil (M. sibiricum Kom.), which raises new issues regarding management strategies to control infestations. To determine the distribution of hybrid (and coincidentally Eurasian and northern) watermilfoil in Minnesota, we sampled lakes across the state during 2017-2018 for watermilfoil. A total of 62 lakes were sampled, spanning a range of sizes and duration of invasion. Forty-three lakes contained Eurasian, 28 contained hybrid and 21 contained northern watermilfoil. Eurasian watermilfoil populations were widespread throughout the state. Hybrid populations were more commonly found in lakes in the seven county Twin Cities Metro and northern watermilfoil populations were more commonly found in lakes outside of the Metro area. We found no evidence that hybrid watermilfoil occurred in lakes environmentally different than those with Eurasian and northern watermilfoil, suggesting that hybrid watermilfoil is not associated with a unique niche. Hybrid watermilfoil presence was significantly associated with the Metro area, which may likely be due to spatial and temporal factors associated with hybrid formation and spread. Hybrid watermilfoil presence was also significantly associated with lakes that had more parking spaces and older infestations, but this relationship was not significant when the effect of region was considered. Hybrid watermilfoil populations were the result of both in situ hybridization and clonal spread and continued assessment is needed to determine if particularly invasive or herbicide-resistant genotypes develop.

Original language	English (US)
Article number	120
Journal	Diversity
Volume	12
Issue number	3
DOIs	https://doi.org/10.3390/d12030120
State	Published - Mar 1 2020

Bibliographical note

Funding Information:
Funding: This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through the Water Resources Science Graduate Program.

Funding Information:
This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through theWater Resources Science Graduate Program. The authors thank Thomas Ostendorf, Alex Franzen, Matthew Gilkay, Kyle Blazek, and Jacob Olsen for assistance with sampling and data entry, and Jeffrey Korff, Gregory Chorak, and Jeff Pashnick for genetic analysis. Survey site suggestions and herbicide management data were provided by Keegan Lund, Kylie Cattoor, April Londo, Wendy Crowell, Eric Katzenmeyer, Tim Plude, Jon Hansen, Christine Jurek, Allison Gamble, Donna Perleberg, Richard Rezanka, and RickWalsh of the MNDNR and James Johnson, Patrick Selter, Steve McComas, Justin Valenty, Brian Vlach, and Eric Fieldseth. Statistical and spatial analysis advice was provided by John Fieberg and Paul Bolstad of the University of MN. Comments by two anonymous reviewers helped us improve the paper

Publisher Copyright:
© 2020 by the authors.

Keywords

Biological invasions
Hybridization
Invasive plants
Myriophyllum sibiricum
Myriophyllum spicatum
Population genetics

UN SDGs

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title = "Factors influencing the distribution of invasive hybrid (myriophyllum spicatum x m. sibiricum) watermilfoil and parental taxa in minnesota",

abstract = "Eurasian watermilfoil (Myriophyllum spicatum L.) hybridizes with the native northern watermilfoil (M. sibiricum Kom.), which raises new issues regarding management strategies to control infestations. To determine the distribution of hybrid (and coincidentally Eurasian and northern) watermilfoil in Minnesota, we sampled lakes across the state during 2017-2018 for watermilfoil. A total of 62 lakes were sampled, spanning a range of sizes and duration of invasion. Forty-three lakes contained Eurasian, 28 contained hybrid and 21 contained northern watermilfoil. Eurasian watermilfoil populations were widespread throughout the state. Hybrid populations were more commonly found in lakes in the seven county Twin Cities Metro and northern watermilfoil populations were more commonly found in lakes outside of the Metro area. We found no evidence that hybrid watermilfoil occurred in lakes environmentally different than those with Eurasian and northern watermilfoil, suggesting that hybrid watermilfoil is not associated with a unique niche. Hybrid watermilfoil presence was significantly associated with the Metro area, which may likely be due to spatial and temporal factors associated with hybrid formation and spread. Hybrid watermilfoil presence was also significantly associated with lakes that had more parking spaces and older infestations, but this relationship was not significant when the effect of region was considered. Hybrid watermilfoil populations were the result of both in situ hybridization and clonal spread and continued assessment is needed to determine if particularly invasive or herbicide-resistant genotypes develop.",

keywords = "Biological invasions, Hybridization, Invasive plants, Myriophyllum sibiricum, Myriophyllum spicatum, Population genetics",

author = "Eltawely, {Jasmine A.} and Newman, {Raymond M.} and Thum, {Ryan A.}",

note = "Funding Information: Funding: This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through the Water Resources Science Graduate Program. Funding Information: This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through theWater Resources Science Graduate Program. The authors thank Thomas Ostendorf, Alex Franzen, Matthew Gilkay, Kyle Blazek, and Jacob Olsen for assistance with sampling and data entry, and Jeffrey Korff, Gregory Chorak, and Jeff Pashnick for genetic analysis. Survey site suggestions and herbicide management data were provided by Keegan Lund, Kylie Cattoor, April Londo, Wendy Crowell, Eric Katzenmeyer, Tim Plude, Jon Hansen, Christine Jurek, Allison Gamble, Donna Perleberg, Richard Rezanka, and RickWalsh of the MNDNR and James Johnson, Patrick Selter, Steve McComas, Justin Valenty, Brian Vlach, and Eric Fieldseth. Statistical and spatial analysis advice was provided by John Fieberg and Paul Bolstad of the University of MN. Comments by two anonymous reviewers helped us improve the paper Publisher Copyright: {\textcopyright} 2020 by the authors.",

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AU - Thum, Ryan A.

N1 - Funding Information: Funding: This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through the Water Resources Science Graduate Program. Funding Information: This research was funded by the Minnesota Environmental and Natural Resources Trust Fund as recommended by the Minnesota Aquatic Invasive Species Research Center (MAISRC) and the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Additional funding and resources for this project were provided by the USDA National Institute of Food and Agriculture, Hatch grant MIN-41-081, Minnesota Aquatic Invasive Species Research Center, and the University of Minnesota, Diversity of Views and Experiences and the College of Food, Agriculture and Natural Sciences Diversity fellowships through theWater Resources Science Graduate Program. The authors thank Thomas Ostendorf, Alex Franzen, Matthew Gilkay, Kyle Blazek, and Jacob Olsen for assistance with sampling and data entry, and Jeffrey Korff, Gregory Chorak, and Jeff Pashnick for genetic analysis. Survey site suggestions and herbicide management data were provided by Keegan Lund, Kylie Cattoor, April Londo, Wendy Crowell, Eric Katzenmeyer, Tim Plude, Jon Hansen, Christine Jurek, Allison Gamble, Donna Perleberg, Richard Rezanka, and RickWalsh of the MNDNR and James Johnson, Patrick Selter, Steve McComas, Justin Valenty, Brian Vlach, and Eric Fieldseth. Statistical and spatial analysis advice was provided by John Fieberg and Paul Bolstad of the University of MN. Comments by two anonymous reviewers helped us improve the paper Publisher Copyright: © 2020 by the authors.

PY - 2020/3/1

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N2 - Eurasian watermilfoil (Myriophyllum spicatum L.) hybridizes with the native northern watermilfoil (M. sibiricum Kom.), which raises new issues regarding management strategies to control infestations. To determine the distribution of hybrid (and coincidentally Eurasian and northern) watermilfoil in Minnesota, we sampled lakes across the state during 2017-2018 for watermilfoil. A total of 62 lakes were sampled, spanning a range of sizes and duration of invasion. Forty-three lakes contained Eurasian, 28 contained hybrid and 21 contained northern watermilfoil. Eurasian watermilfoil populations were widespread throughout the state. Hybrid populations were more commonly found in lakes in the seven county Twin Cities Metro and northern watermilfoil populations were more commonly found in lakes outside of the Metro area. We found no evidence that hybrid watermilfoil occurred in lakes environmentally different than those with Eurasian and northern watermilfoil, suggesting that hybrid watermilfoil is not associated with a unique niche. Hybrid watermilfoil presence was significantly associated with the Metro area, which may likely be due to spatial and temporal factors associated with hybrid formation and spread. Hybrid watermilfoil presence was also significantly associated with lakes that had more parking spaces and older infestations, but this relationship was not significant when the effect of region was considered. Hybrid watermilfoil populations were the result of both in situ hybridization and clonal spread and continued assessment is needed to determine if particularly invasive or herbicide-resistant genotypes develop.

AB - Eurasian watermilfoil (Myriophyllum spicatum L.) hybridizes with the native northern watermilfoil (M. sibiricum Kom.), which raises new issues regarding management strategies to control infestations. To determine the distribution of hybrid (and coincidentally Eurasian and northern) watermilfoil in Minnesota, we sampled lakes across the state during 2017-2018 for watermilfoil. A total of 62 lakes were sampled, spanning a range of sizes and duration of invasion. Forty-three lakes contained Eurasian, 28 contained hybrid and 21 contained northern watermilfoil. Eurasian watermilfoil populations were widespread throughout the state. Hybrid populations were more commonly found in lakes in the seven county Twin Cities Metro and northern watermilfoil populations were more commonly found in lakes outside of the Metro area. We found no evidence that hybrid watermilfoil occurred in lakes environmentally different than those with Eurasian and northern watermilfoil, suggesting that hybrid watermilfoil is not associated with a unique niche. Hybrid watermilfoil presence was significantly associated with the Metro area, which may likely be due to spatial and temporal factors associated with hybrid formation and spread. Hybrid watermilfoil presence was also significantly associated with lakes that had more parking spaces and older infestations, but this relationship was not significant when the effect of region was considered. Hybrid watermilfoil populations were the result of both in situ hybridization and clonal spread and continued assessment is needed to determine if particularly invasive or herbicide-resistant genotypes develop.

KW - Biological invasions

KW - Hybridization

KW - Invasive plants

KW - Myriophyllum sibiricum

KW - Myriophyllum spicatum

KW - Population genetics

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Factors influencing the distribution of invasive hybrid (myriophyllum spicatum x m. sibiricum) watermilfoil and parental taxa in minnesota

Abstract

Bibliographical note

Keywords

UN SDGs

Access

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