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    Using Human Dimensions in Aquatic Plant Management

    by: SOLitude Lake Management   |   Apr 08, 2019

    Pond - SOLitude

    AS SEEN IN Bass Master: Written by Fisheries Biologist Vic DiCenzo, PhD

    Fisheries biologists consider aquatic plants to be an important component for healthy aquatic ecosystems. Aquatic plants serve a variety of functions including production of oxygen, recycling nutrients, reducing turbidity and providing food, spawning substrate and habitat for invertebrates and fish. However, while anglers and hunters favor an abundance of aquatic plants in reservoirs, many lake users prefer little to no vegetation. These differences challenge reservoir managers when developing management plans.

    A survey of 1,299 reservoirs in the U.S. identified excessive plant coverage was a management concern in only 10 percent of the reservoirs surveyed, and not enough plant coverage was a concern in more than 25 percent.

    How much aquatic vegetation should be in the lake? It depends on which stakeholder you ask. On U.S. reservoirs, stakeholders include anglers, hunters, boaters, swimmers, homeowners, commercial interests, wildlife watchers, state and federal agencies, real estate agents, just to name a few. Each of these groups likely has a unique tolerance for aquatic vegetation and reservoir managers must face the challenge of recognizing those differences.

    How do decision makers manage aquatic plants for different stakeholder values? Is there a level of plant coverage acceptable to all stakeholders? How do invasive species affect management options? What does a successful aquatic plant management plan look like?

    How should aquatic plants be managed? First, we believe that decision makers must consider all stakeholders to better understand the breadth of preferences, attitudes and opinions that exist. More importantly, stakeholders should be actively involved in developing aquatic plant management plans.

    pond - SOLitude

    Why should decision makers involve stakeholders? First, there is an inherent value in involving the public in decisions that affect them. Second, stakeholders may have unique contributions that could help inform decisions. Third, involved citizens are more likely to support decisions and facilitate implementation. Finally, research suggests that active stakeholder involvement has genuine influence on decisions and promotes two-way communication and learning.

    How can decision makers involve stakeholders? Traditionally, agencies held public hearings to inform the public on potential management actions and receive input. More recently, agencies maintain online comment periods that allow stakeholders to have a voice in potential management strategies. However, do these approaches truly involve the public or do they represent one-way communication? Are stakeholders adequately represented?

    Managers require information on stakeholders’ attitudes, opinions, preferences and values to make better decisions. This discipline is referred to as human dimensions. Human dimensions is the challenge of understanding and clarifying stakeholders’ perspectives on natural resource management programs and issues and systematically incorporating such insight into decision making. A variety of techniques offer managers an opportunity to include stakeholders in aquatic vegetation and better understand their values prior to implementation of management plans. These techniques include surveys, focus groups, workshops, open house meetings and advisory committees.

    The use of stakeholder advisory committees represents an approach that is an excellent technique for actively involving key interests in resolving important issues. This approach has proven successful with aquatic plant management at Lake Guntersville and Lake Gaston and should be used more frequently so that all interests are represented.

    The inclusion of human dimensions information is often necessary because conflict or disagreement exists in how aquatic plants should be managed. Including human dimensions opens up a variety of social science tools, human behavioral understandings and public involvement processes that yield better information for decision making and hopefully more broadly accepted management decisions. Management cannot simply focus on ecological approaches when social conflicts arise.

    Guide To Sustainable Pond Algaes & Aquatic Weed Control

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    Vic-DiCenzo_web-NEW-1Vic DiCenzo is a member of the fisheries team at SOLitude Lake Management. As a fisheries biologist, Vic is experienced to design and implement studies to collect fisheries data from lakes and ponds, and to make recommendations to clients for the long-term management of their aquatic resources. He takes a quantitative approach to fisheries management, often estimating rates of recruitment, growth, and mortality and uses these rates to simulate populations under various management strategies.

    SOLitude Lake Management is a nationwide environmental firm committed to providing sustainable solutions that improve water quality, enhance beauty, preserve natural resources and reduce our environmental footprint. SOLitude’s team of aquatic resource management professionals specializes in the development and execution of customized lake, stormwater pond, wetland and fisheries management programs that include water quality testing and restoration, nutrient remediation, algae and aquatic weed control, installation and maintenance of fountains and aeration systems, bathymetry, shoreline erosion restoration, mechanical harvesting and hydro-raking, lake vegetation studies, biological assessments, habitat evaluations, and invasive species management. Services and educational resources are available to clients nationwide, including homeowners associations, multi-family and apartment communities, golf courses, commercial developments, ranches, private landowners, reservoirs, recreational and public lakes, municipalities, drinking water authorities, parks, and state and federal agencies. SOLitude Lake Management is a proud member of the Rentokil Steritech family of companies in North America.

    Topics: Aquatic Weeds and Algae, Fisheries Management, Published Articles