by Charlie Drewes, Iowa, USA
A downloadable booklet in Adobe Acrobat (pdf) format (4.2Mbytes).
18 pages at A4 size with black and white illustrations.
Micscape Editor's note: Charles Drewes, the author of this booklet, has kindly allowed Micscape to share it with our readers. The booklet is an excellent overview of some major invertebrate groups found in many other suitable freshwater bodies as well as the Iowa Great Lakes.
A colour version of this booklet in PowerPoint format (25Mbytes) and colour scans of each separate page as jpeg files are available on the author's web pages (on the web site of Iowa State University), where a wide range of his other freshwater biology resources are available.
Mirrored with the kind permission of the author Charles Drewes, in Micscape the monthly magazine of Microscopy-UK.
Comments to the author Charles Drewes are welcomed. The author's other contact details can be found on his web pages.
Related links: Iowa Lakeside Laboratory website. Author's note: Some of the summer biology courses at this station are recognized both nationally and internationally. In addition, there are Nature Photography and Sketching courses offered there.
© Charles Drewes. All rights reserved.
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