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Central Michigan University cormorant study reports a sharp smallmouth-bass decline around Beaver Island

Also Beaver Island cormorant study 2000 · cormorant fish-stock controversy

Draft — sources verified, prose evolving

Locator map: Beaver Island highlighted within the Beaver Island archipelago
Took place at Beaver IslandLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
TypeEvent
Date2000-09
WithinBeaver Island
ErasModern era
On this page
Locator map: Beaver Island highlighted within the Beaver Island archipelago
Took place at Beaver IslandLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
Event
Date
2000-09
Kind
Conservation
Where
Beaver Island
Eras
Modern era
Concepts
conservationwildlifesciencecommunication
Within
Beaver Island

Summary

The September Beacon described Central Michigan University biologist Douglas Peterson’s long-term study of cormorants and smallmouth bass around the Beaver Islands. The report says bass and other fish had declined while cormorants increased, and that the U.S. Fish and Wildlife Service was developing a nationwide management plan.

Evidence limits

This is a newspaper account of an ongoing study, not the underlying dataset, peer-reviewed paper, or final management decision.

Sources

  1. Reports a Central Michigan University study associating a decline in smallmouth bass and other fish around the Beaver Islands with a growing cormorant population, while preserving the scientist’s caution that the evidence was not yet conclusive. The holding institution's portal restricts automated access; the archive holds a copy of this issue and can provide it on request.
    data1 · beaver-island-archive · beaver_beacon · 2000-09_Beaver-Beacon
  2. The held issue scan confirms the published research report.
    data1 · beaver-island-archive · scans · beaver_beacon · issues · 2000-09_Beaver-Beacon

Added 5 August 2026. Recent changes

Cite this article

Beaver Island Archive, “Central Michigan University cormorant study reports a sharp smallmouth-bass decline around Beaver Island”, https://beaverislandarchive.org/events/beaver-island-cormorant-smallmouth-bass-study-2000/, accessed [date], citing Beaver Beacon, September 2000, “Controversy Surrounds Cormorants.” (and 1 further source listed on the page).

Last revised 2026-08-05. Fill in [date] with the date you read it — this page is static and cannot know that.

BibTeX for “Central Michigan University cormorant study reports a sharp smallmouth-bass decline around Beaver Island”RIS for “Central Michigan University cormorant study reports a sharp smallmouth-bass decline around Beaver Island”