Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota

Eurasian watermilfoil (<i>Myriophyllum spicatum</i> L.) hybridizes with the native northern watermilfoil (<i>M. sibiricum</i> Kom.), which raises new issues regarding management strategies to control infestations. To determine the distribution of hybrid (and coincidentally Eu...

Full description

Bibliographic Details
Main Authors: Jasmine A. Eltawely, Raymond M. Newman, Ryan A. Thum
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Diversity
Subjects:
Online Access:https://www.mdpi.com/1424-2818/12/3/120
_version_ 1828116696637898752
author Jasmine A. Eltawely
Raymond M. Newman
Ryan A. Thum
author_facet Jasmine A. Eltawely
Raymond M. Newman
Ryan A. Thum
author_sort Jasmine A. Eltawely
collection DOAJ
description Eurasian watermilfoil (<i>Myriophyllum spicatum</i> L.) hybridizes with the native northern watermilfoil (<i>M. sibiricum</i> 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&#8722;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.
first_indexed 2024-04-11T13:02:10Z
format Article
id doaj.art-ea4c156133ab4788bac1c9f2fe9740d4
institution Directory Open Access Journal
issn 1424-2818
language English
last_indexed 2024-04-11T13:02:10Z
publishDate 2020-03-01
publisher MDPI AG
record_format Article
series Diversity
spelling doaj.art-ea4c156133ab4788bac1c9f2fe9740d42022-12-22T04:22:55ZengMDPI AGDiversity1424-28182020-03-0112312010.3390/d12030120d12030120Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in MinnesotaJasmine A. Eltawely0Raymond M. Newman1Ryan A. Thum2Department of Fisheries, Wildlife and Conservation Biology, University of Minnesota, Saint Paul, MN 55108, USADepartment of Fisheries, Wildlife and Conservation Biology, University of Minnesota, Saint Paul, MN 55108, USADepartment of Plant Science and Plant Pathology, Montana State University, Bozeman, MT 59717, USAEurasian watermilfoil (<i>Myriophyllum spicatum</i> L.) hybridizes with the native northern watermilfoil (<i>M. sibiricum</i> 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&#8722;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.https://www.mdpi.com/1424-2818/12/3/120biological invasionsinvasive plants<i>myriophyllum spicatum</i><i>myriophyllum sibiricum</i>hybridizationpopulation genetics
spellingShingle Jasmine A. Eltawely
Raymond M. Newman
Ryan A. Thum
Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
Diversity
biological invasions
invasive plants
<i>myriophyllum spicatum</i>
<i>myriophyllum sibiricum</i>
hybridization
population genetics
title Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
title_full Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
title_fullStr Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
title_full_unstemmed Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
title_short Factors Influencing the Distribution of Invasive Hybrid (<i>Myriophyllum Spicatum x M. Sibiricum</i>) Watermilfoil and Parental Taxa in Minnesota
title_sort factors influencing the distribution of invasive hybrid i myriophyllum spicatum x m sibiricum i watermilfoil and parental taxa in minnesota
topic biological invasions
invasive plants
<i>myriophyllum spicatum</i>
<i>myriophyllum sibiricum</i>
hybridization
population genetics
url https://www.mdpi.com/1424-2818/12/3/120
work_keys_str_mv AT jasmineaeltawely factorsinfluencingthedistributionofinvasivehybridimyriophyllumspicatumxmsibiricumiwatermilfoilandparentaltaxainminnesota
AT raymondmnewman factorsinfluencingthedistributionofinvasivehybridimyriophyllumspicatumxmsibiricumiwatermilfoilandparentaltaxainminnesota
AT ryanathum factorsinfluencingthedistributionofinvasivehybridimyriophyllumspicatumxmsibiricumiwatermilfoilandparentaltaxainminnesota