The Lake Sturgeon as Survivor and Integrative Indicator of Changes in Stressed Aquatic Systems in the Laurentian Basin

Our Laurentian Basin is ancient geologically, and the lake sturgeon lineage in our basin is ancient biologically. During the last five centuries, much of the southerly half of this basin’s waters has been transformed—mostly by humans of European origin—from a vast, clean, cascading “riverine system”...

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Bibliographic Details
Published inThe Great Lake Sturgeon p. 27
Main Authors HENRY A. REGIER, ROBERT M. HUGHES, JOHN E. GANNON
Format Book Chapter
LanguageEnglish
Published Michigan State University Press 01.06.2013
Subjects
Agricultural economics
Animals
Aquatic ecosystems
Biological sciences
Biology
Bodies of water
Climate change
Earth sciences
Ecology
Economic disciplines
Economics
Ecosystems
Environmental sciences
Environmental studies
Fish
Fishery economics
Freshwater ecosystems
Freshwater fishes
Geography
Geomorphology
Hydrology
Lakes
Lentic systems
Limnology
Lotic systems
Marine ecosystems
Physical sciences
Streams
Sturgeon
Surface water
Zoology
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Summary:Our Laurentian Basin is ancient geologically, and the lake sturgeon lineage in our basin is ancient biologically. During the last five centuries, much of the southerly half of this basin’s waters has been transformed—mostly by humans of European origin—from a vast, clean, cascading “riverine system” to clotted strings of confined and dirty reservoirs and lakes with deformed tributaries and “connecting channels,” that is, into what we may term a “reservoirine system” (see box 1). The living part of the ecosystem in most of the southerly waters has changed from intricately organized and elaborately choreographed systems of native, freshwater,
ISBN:1611860784
9781611860788