This power point is in two parts. The first part has 36 slide and deals with the freshwater sections, the second part (see Freshwater and Marine Systems and Their Issues Part 2)is shorter and deals with the marine systems. Both parts include high quality pictures and graphics and the total price has been split between the two accordingly.
This presentation is suitable for an AP or IB level and can be given over a number of days. File can be edited to suite your content.
This presentation does NOT cover issues with pollution, just usage. Pollution will be covered in another power point.
Part 1 Topics:
Ecology and Environment of-
Lakes and Ponds
Water usage issue- oversue, water transfers
Issues with dams- ecological changes, salmon spawning