Schools and community groups around the State are invited to participate in the Macroinvertebrate Snapshot, which involves sampling to record the abundance and diversity of macroinvertebrates - tiny aquatic creatures, living in wetlands, rivers and streams.
The Macro Snapshot for 2009 was held between September 1st - 18th.
Ribbons of Blue Coordinators and volunteers assist groups sample, classify and identify a range of aquatic 'mini-beasts' including insects and their larvae, beetles, worms, water fleas and tiny crustaceans. These animals are important indicators of the health of a waterbody as certain species are very tolerant of poor water quality, while others are very sensitive. People of all ages have a lot of fun watching the tiny creatures emerge from the 'sludge' as their eyes become accustomed to the small scale of the 'macros'.
Groups sample for 'macros' using Ribbons of Blue sampling and data confidence procedures. A data sheet containing 38 taxa is used to indicate the presence / absence of a 'macro' and comments are noted regarding other factors, such as abundance. Samplers use a range of equipment such as charts, keys, magnifying glasses and microscopes to identify each 'macro'. By comparing your results with previous years groups can develop a greater understanding of their waterbody and can help decide what needs to be done to improve the environment.
For school groups curriculum materials are available to help teachers use this event to meet educational outcomes. See the educational resources page in the 'For Teachers' section.
For more information or to register for this year's snapshot, contact your Regional Coordinator
Long-necked Turtles are common in the south-west. They breathe air and females leave the water in spring and summer to lay their eggs on land. They eat crayfish, shrimps, insects, molluscs and fish.
