Freshwater Ecosystems
Materials for teaching the topic "Freshwater Ecosystems" to bilingual classes
Freshwater Ecosystems
Short introductions into the following ecosystems: rivers & streams, lakes & ponds and wetlands.
Pond Water
Introduction to the microscopic organisms you can find in a freshwater pond.
A Virtual Pond Dip
This virtual pond dip introduces some of the commoner types of small pond organsisms. A mouse click over each organism displays its factfile, which also gives links to more detailed articles, pictures, video clips.
Key to Stream Invertebrates
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Key to determine the main macroinvertebrate groups.