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No 19 News of Torbay Catchment Group May 2008


What's inside...


Property planning bus tour and workshops


Plant a tree at Torbay Hall


What are macroinvertebrates? Come and find out!


Free tree giveaway


New Torbay publication


Crossing Creeks book


2007 Report Card

Hi, here we are midway through Autumn and how lovely it's been so far.

The good news, hope everybody received their share of the early rains and were able to capitalise on them. The bad news, as you can see by the photo (right), taken just before our waters broke. Lake Powell was engulfed by a Bloomin BLOOM. While on Lake Powell, I noticed that the system was opened on the 6 May. It was good that the level could be kept for as long as possible before the opening. They breached the bar on a receding tide to try and achieve max effect.

We also must thank the City of Albany for placing wildlife crossing signs up around Lake Powell. Feel free to suggest or comment on future signage to protect or to highlight our local Fauna.

Our highlighted topic ( by Dr Barbara Cook) for the May General meeting "Impact of Blue gums on Water Quality and Biodiversity in the Torbay Catchment". It was very eye opening and recommended by all who were present. She has promised to do a follow up for us in the future, when the research is completed.

This edition - Freee TREES and SHRUBS to give away. ( Max 50 ea) for creek edges, fenced ally's, roofs, pots, verges and gardens. Don't forget that our funding for fencing is still available, a good thing to take up as it may just fit in with your plans or help reduce blooms down hill from you.

Take care,
Phil Mellon


The ominous green reflection of an toxic algal bloom in Lake Powell, during March. Lake Powell has been plagued with blooms of Nodularia for much of the summer. Algal blooms are a symptom of nutrient enriched water and thrive in warm, slow moving waters.

Nodularia is a toxic algae that if makes skin contact can cause irritation and severe dermatitis. If ingested can cause liver damage and gastroenteritis. Ingestion by animals can lead to death. So it's not a very pleasant thing, and all contact with water containing this algae should be avoided. I'd be careful about marroning in the Grasmere Drain as well!

      

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