Observations on the life of reservoirs

1. Prior to the tour should be prepared: water net, tin bidonchiki, small and large banks for seating production. If you live in a corner of the school have aquariums need to clean up, pour cement at the bottom corners, to put on the bottom of washed sand, planted with aquatic plants and only then settle their animals. 2. Better to conduct a tour group. Make a description of the reservoir - its approximate size, depth and composition of aquatic vegetation, which it inhabits. Make a list of aquatic animals will be able to catch. 3. After the tour seating for captured animals to different banks. Set in the lively corner of the observation of their life, movement, nutrition, breathing and methods of protection against enemies. 4. When planting eggs should make it a rule to put in the tank a small amount of eggs, and in any case, do not overfill it aquarium or jar. 5. With the release of tadpoles trace the features of their power and movement in a different time in their lives. 6. Observe and record the time of appearance in the nature of tadpoles of different species of fish, larvae and pupae of aquatic insects escape from their winged forms. 7. Find out whether there are reservoirs of mosquito larvae. Organise supervision over the conduct of mosquito larvae and over the timing of their development. If mosquito larvae are found, notify the local health unit.