Go to the weed prioritisation page...
site prioritisation
Example:
While the picture at left prominently shows a flat weed and a Rat-tail grass, there are native grasses and onion orchids in the same frame
While the flatweeds are not a big priority due to their ubiquity and the fact that in recovering intact ecosystems they tend to disappear naturally, the rats tail grass in the foreground is a bully, crowding out indigenous species, seeding constantly and it is very difficult to pull out, having an extensive root system.
Thus this would be the first thing one would remove from this particular bit of ground. p.s. they and most other tufted things are best removed with a sharp, finely serrated knife, cutting the roots just below the surface and causing minimal disturbance
The following are systems for prioritising both the site as a whole and the weeds on the site
Site Prioritisation/Vegetation Quality Assessment methodology
This site prioritisation system is based on the colour code system developed by
the National Trust of NSW. It can be adapted to any site, more colours added to
allow for greater definition and cover values changed to suit the mapping of the
site. These colours can be overlaid on a map or aerial photograph
Leafless globe pea, sphaerolobium vimineum
GREEN - More than 60% indigenous understory cover
RETENTION area.....highest priority
Retain what is left.
Aim to eliminate all weeds over time.
No planting. Allow for natural regeneration.
Highly skilled workforce.
BLUE - More than 30% indigenous understory cover
RESTORATION area....moderate priority
Restore slowly
Aim to control weed populations
Possible enrichment planting after allowing time for natural
regeneration (at least 18 months but for some species years may
be required
Semi‐skilled workforce under skilled co‐ordination.
RED - Less than 30 % indigenous understory cover
REVEGETATION area....lowest priority
Aim to control weed seed production.
May plant in high profile areas.
Still may have habitat or buffer values which the weeds are
providing
site prioritisation.pdf | |
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