BDBSA Project Metadata Detail

Survey/Project Number: 698          Total No. of Sites: 373
Survey/Project Name: Acacia farnesiana SURVEY WITJIRA National Park
Abstract: Aerial survey of Acacia farnesiana by R44 helicopter in June 2010. The whole park is is to be surveyed (gibber habitat only), and search efforts will focus around major creek lines. We aim to collect a broad scale spatial dataset of most of the Acacia farnesiana populations. First complete broad-scale survey of the invasive weed Acacia Farnesiana (Mimosa bush etc). Primary purpose of the exercise was to map and record the spatial distribution and density of the plants across Witjira, to inform and provide a baseline for onground management. Spatial accuracy is likely within 100-150m of occurance - but species prefers creek-line/run-off areas - very predictable habit. The surveyed were guided by earlier GIS mapping work to identify and prioritse survey effort - given the expanse of the landscape. Therefore, this dataset has probably recorded 90% of occurances - but it is not an absolute dataset.
 
Start Date: 19/06/2010      End Date: 21/06/2010
Survey Type: Vegetation Only
   
Study Area Description: Witjira National Park, South Australia. Survey track log will be submitted (shapefile).
Objectives
         Vegetation: *** No vegetation survey objectives recorded
         Fauna: *** No fauna survey objectives recorded
Methodology
         Vegetation: Survey utilised Robinson R-22 helicopter. 1-observer plus pilot. Survey and Flying time limited to 12-hours (funding restricted). Survey effort prioritised along slghtly sloping creeklines/drainage lines as these areas represent the species preferred habitat. Data was captured using 5-button GPS dataloggers. Data categorised into 2 classes: 1) individual plant 2) cluster of plants.
         Fauna: *** No vertebrate methodology recorded

Data Distribution Rules: Public
Project Basis: Vegetation : Unclassified - pending reassessment.
Information Authority: Department for Environment and Heritage (BDBSA:Outback) - Regional Ecologist - Deserts