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birding-aus
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| Subject: | Kooragang Island |
| From: | "David Geering"<> |
| Date: | Fri, 6 Nov 1998 08:26:21 +1000 |
The Spiny Rush on Kooragang Island is Juncus actutus (or actuta - latin buffs please correct). It is NOT a native but introduced in ships ballast water to the Hunter estuary. To my knowledge it occurs only in this estuary. It is a SERIOUS weed re dily colonising wetlands, particularly those occasionally inundated by salt water. The plants form impenetrable stands thus effectively rendering sites formerly used by shorebirds as roost sites completely unsuitable. Alan, my comments re. further work on Stockton Sandspit will be sent to you privately. I was the original architect of the rehab. work there. There are a few adjustments required, primarily due to the difficult hydrological situation. David Geering |
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