Aquatic Synthesis for Voyageurs National Park
Aquatic Synthesis for Voyageurs National Park

Author:

Publisher:

Published: 2003

Total Pages: 118

ISBN-13:

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Voyageurs National Park (VOYA) in northern Minnesota contains significant aquatic resources including 30 lakes and numerous wetlands. This synthesis contains an integrated account of what is known about the aquatic resources of VOYA; compares VOYA resources to those of other areas; and identifies opportunities and needs for future studies and surveys. Surveys and studies in VOYA have identified fifty-four fish species from 16 families 820 vascular plant species and 7 amphibian and 3 reptile species (higher numbers probably occur). Estimates of relative abundance for phyto- and zooplankton vary among VOYA lakes and depths surveyed. The VOYA fish populations and communities have been the most intensively studied. Twenty-eight percent of VOYA wetlands are the result of beaver activity. Mercury contamination and its food-chain bioaccumulation in VOYA are of particular concern. An integrated monitoring plan is needed in VOYA to provide continuous data and information on the complex physical chemical, and biological factors that influence aquatic systems. Resource managers in VOYA will use this information to understand and explain observed changes and to predict the potential for future changes.

Walleye
Walleye

Author: Paul J. Radomski

Publisher: U of Minnesota Press

Published: 2022-06-28

Total Pages: 369

ISBN-13: 1452967733

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Walleye, the holy grail of game fish: on catching them, understanding their biology and history, and ensuring their survival Among the more than 34,000 species of fish, few have the walleye’s following—among anglers and diners, states conferring official status on the fish, and towns battling for recognition as the Walleye Capital of the World. And among those passionate fans, few know the walleye as well as Paul J. Radomski does—a fisheries biologist, lake ecology scientist, and old fisherman. In Walleye: A Beautiful Fish of the Dark he unspools the mysteries of this fascinating fish. Radomski looks at walleye from every angle, with something to say to the curious naturalist, committed ecologist, and avid fishing enthusiast. People who view walleye as the “lion of the lakes” might be surprised to learn that rivers are their ancestral habitat. Some might wonder about the name “wall-eye,” a nod to an evolutionary adaptation to dark water environments. Others might simply ask: why walleye? What are they, where do they exist, how do they survive, and how have people come to depend on them? Radomski discusses the principles and pitfalls of managing this predator of the twilight (and the history and methods of doing so) and shares his informed perspective on when and where stocking is prudent. Finally, he explores three of the best walleye lakes: Winnebago, the largest inland walleye fishery in Wisconsin, and Mille Lacs and Red Lake in Minnesota. From the simple pleasures of fishing for walleye to the most pressing questions about how this species survives, this book is the best word on this beautiful fish of the dark.