RE: BEACHNET==> Incredible picture of submerged Cladophora

The composition of these benthic algal beds varys from place to place, but are often dominated by Cladophora. According to one researcher at a recent Cladophora workshop at UW-Oshkosh, some beds are dominated by other species of algae. The algae are also coated with abundant periphyton, especially later in the growing season. The algal beds are usually diverse communities, teaming with invertebrates and providing habitat for small fish. The real problem is there is just too much of the stuff!

Vicky Harris

UW Sea Grant Institute

harrisv@uwgb.edu

920-465-2795

From: owner-beachnet@great-lakes.net [owner-beachnet@great-lakes.net] On Behalf Of Hansard, Kim [KHansard@co.marin.ca.us]
Sent: Thursday, January 31, 2008 4:20 PM
To: beachnet@great-lakes.net
Subject: RE: BEACHNET==> Incredible picture of submerged Cladophora

What 'grows' on the cladophora? Do fish eat it up? One in particular?

Kim

-----Original Message-----
From: owner-beachnet@great-lakes.net [mailto:owner-beachnet@great-lakes.net]On Behalf Of Charles Shabica
Sent: Thursday, January 31, 2008 2:04 PM
To: 'Richard L Whitman'; beachnet@great-lakes.net
Subject: RE: BEACHNET==> Incredible picture of submerged Cladophora

Zounds! What is the Cladophora growing on? Couldn’t tell from the photo.

From: owner-beachnet@great-lakes.net [mailto:owner-beachnet@great-lakes.net] On Behalf Of Richard L Whitman
Sent: Thursday, January 31, 2008 12:49 PM
To: beachnet@great-lakes.net
Subject: BEACHNET==> Incredible picture of submerged Cladophora

Attached is a photo of NPS divers in 20+ feet of water on the bottom of
Lake Michigan off Sleeping Bear Dunes showing Cladophora dominating the bottom.
Photo from Brenda Moraska Lafrancois.

The occurrence of Cladophora and possible association of pathogenic bacteria is currently being investigated by several investigators

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