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GR1_LCI Eurasian Watermilfoil Control_GLRI Grant 2016-17

2016-17 LCWC & MTU GLRI Grant for EWM Management

Authors: Colin Brooks1; Amy Marcarelli1; Casey Huckins1; Amanda Grimm1; Bob Smith2; Mark Clymer2

Author Affiliation: 1Michigan Tech. University; 2Les Cheneaux Watershed Council

Journal: GLRI Grant: Invasive Species Control - EPA-R5-GL2015-ISC; 2016-2017

pdf GL1_GLRI LCI EWM Summary page

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Les Cheneaux Islands Eurasian watermilfoil Control

Authors: Colin Brooks1; Amy Marcarelli1; Casey Huckins1; Amanda Grimm1; Bob Smith2; Mark Clymer2

Author Affiliation: 1Michigan Tech. University; 2Les Cheneaux Watershed Council

Journal: GLRI Grant: Invasive Species Control - EPA-R5-GL2015-ISC; 2016-2017

Abstract: This project will implement a medium-scale (10 acres/year) field trial of the indigenous fungus Mycoleptodiscus terrestris for treatment of Eurasian watermilfoil in the Les Cheneaux archipelago in northern Lake Huron. Treatment outcomes as well as longer-term effects of previous releases of both the fungus and the milfoil weevil Euhrychiopsis lecontei will be evaluated using field surveys and multi-scale remote sensing and image classification across an approximately 800-acre area. The project will help preserve public recreational opportunities in an area where they have high economic value and improve ecosystem function by restoring and retaining native aquatic vegetation species.

pdf GL2_2016 Aquatic Vegetation Survey Main Report

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2016 Vegetation and Weevil Population Surveys

Authors: Cortney Marquette; Sarah Walters

Author Affiliation: Enviroscience

Journal: Privately published for LCWC; November 30, 2016

Abstract: EnviroScience (ES) biologists have been monitoring the changes to the plant community in areas directly related to the milfoil weevil and its’ impact on EWM since the inception of the program in 2007. However since 2013, ES was requested to capture a more detailed inventory of submersed and emergent aquatic plant community of the shorelines of the Les Cheneaux Chain of Islands (LCI) on Lake Huron. This was initiated after the infestation of EWM increased to approximately 1,000 acres throughout LCI in 2012.

pdf GL3_2013 - 2016 EWM Aquatic Vegetation Survey Comparison

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pdf GL4_2016 Attachment A - Aquatic Vegetation Survey

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pdf GL5_Earthzine: Use of Remote Sensing, Hydrodynamic Modeling, and Ecological Observation to Monitor EWM in LCI

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Earthzine: Use of Remote Sensing, Hydrodynamic Modeling, and Ecological Observation to Monitor EWM in LCI

Author: Kelley Christensen

Author Affiliation: IEEE Earthzine’s Science Editor

Journal: IEEE Earthzine, 11/5/2016

Abstract: Colin Brooks, senior research scientist and environmental science lab manager at Michigan Tech Research Institute (a research center of Michigan Technological University), is the principal investigator in a U.S. Environmental Protection Agency Great Lakes Restoration Initiative-funded study of the effectiveness of using multispectral imagery to differentiate Eurasian watermilfoil from other submerged aquatic vegetation, and to monitor the effectiveness of different control methods.

pdf GL6_Michigan Tech Researchers Survey Invasive Milfoil in the Les Cheneaux Islands

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Michigan Tech Researchers Survey Invasive Milfoil in the Les Cheneaux Islands

Author: Allison Mills

Author Affiliation: Science and technology writer for Michigan Technical University

Journal: techcentury (The Engineering Society of Detroit); V.21 | N.2 Summer 2016

Abstract: Researchers at Michigan Technological University are collaborating with Les Cheneaux residents and organizations to better understand why EWM took over—and what they can do about it.

pdf GL7_MTU GLRI v3 GRANT STATUS, SEPTEMBER 2016

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Increased Eurasian watermilfoil growth found at varied LCI sites in 2017 vs 2013-2015

    

Author: R. A. Smith

Author Affiliation: LCWC

Journal: Unpublished Report; September  2016

Abstract: Invasive milfoil (Eurasian watermilfoil, or EWM) growth increased slightly in 2016 vs 2013-2015 along some shoreline areas as determined by visual observation and quantitative stem counts. Growth of species such as eel grass (wild celery) and various pondweeds was observed whereas only sparse growth of these plants was observed in 2013-2015. EWM regrowth is expected but we can avoid a repeat of the 2012 EWM invasion with timely use of the biological control fungus, Mt.