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The above pictures are buttons, which if clicked on will open various sections of this website.
GIS |
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Introduction |
Goolengook | Errinundra scouting map |
Dingo Creek, a GIS case study
By Tony Hastings 5/11/04
To determine the accuracy of the datasets, the results of surveys conducted at Dingo Creek were used. A map showing the survey area is shown below
During the surveys a hand-held GLobal Positioning System, GPS, was used to record locations. This was later connected tothe computer by a cable,a dn all the points loaded into the GIS mapping system. the small + signs on the map represent a GPS point recorded in the forest.
The green hatched area representing rainforest was determind by walking around the boundary of the rainforest, plotting GPS points and from aerial photo interpretation. The yellow line represents a transect survey, done to record the proportion of rainforest species along the survey line, which went through some Mixed Forest.
 Each line represents the canopy width of each species, and the circle is a scale representation of the tree trunk diameter. A photo of the Mixed Forest is shown right |
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The map left shows a comparison of the "SFRI" data supplied by the DSE with data collected in the forest. The shape of the clearfell, which they shows as black and I've drawn iwth a white dashed line, shows that their map understates the size of the coupe and is upto 200m from the actual boundary. |
In the above image, GIS data is shown for the red outline stand. A forest Manager responsbile for planning coupes would read from the GIS that it is a mature eucalypt forest, dominated by Cut-tail Ash, Eucalyptus fastigata, with some Shining Gums, Eucalyptus denticulata, which are listed as Major Commerical species. The pink area is a "Special Protection Zone", where logging is not allowed. As far as this information tells us, the stand is in an area zoned available for logging and has appropriate species in it. Why shouldn't they log that?
