On Friday 22 April, 2005, Gladstone Central School Year 7W visited Railway Dam at the Duckponds on Glenlyon Road. The students found the following water quality results:
Water Temperature: 25 degrees Celcius
Turbidity: 16 NTU's
pH: 6.0
Conductivity: 0.31mS
Phosphate: 5ppm
Nitrite: 0ppm
Nitrate: 0ppm
Macroinvertebrates: Damselfly larva, Freshwater shrimp, Water strider, Diving beetle
Macroinvertebrate score: 14
Friday, April 22, 2005
Thursday, April 21, 2005
Buy a Cane Toad trap
Various designs of trap are available from the Northern Territory Frogwatch organisation. Check out http://www.entity1.com/index.cfm?attributes.fuseaction=shop&goto=trap They are quite expensive though!
Subscribe to:
Posts (Atom)