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Climate � the new biological control agent?
Nikki Sims
SupervisorsDr Yvonne BuckleyProf Myron Zalucki
Dr Adele Reid
id508609 pdfMachine by Broadgun Software - a great PDF writer! - a great PDF creator! - http://www.pdfmachine.com http://www.broadgun.com
Photo by Mic Julien
Salvinia before biological control
Photo by Mic Julien
Salvinia after biological control
Cactoblastis cactorum
Prickly PearPhotos by J.R. Hosking
Phyllostica concava
Evaluation!
Female flowers
Male flowers
Groundsel BushBaccharis halimifolia (Asteraceae)
Groundsel Bush Seeds
Nudgee �Brisbane
Before Control
Nudgee �Brisbane
After Spraying
Same place today
Ashgrove � Brisbane Before Control
Ashgrove � Brisbane After Bulldozing
Same place today
Oidaematophorus balanotesPhoto by Niels Hintzen
Photo by Niels Hintzen
Megacyllene mellyi
Rhopalomyia californica Trirhabda baccharidis
Aristotelia ivae
Photo by Drees
Photo by SangMi Lee
Photo by www.scielo.br
Biological control agents on
Groundsel Bush
Was the biological control program successful?
Where it is located?
Seasonal Phenology
Long-term variation in site suitability
Where it is located?
Seasonal Phenology
Long-term variation in site suitability
Where it is located?
Seasonal Phenology
Long-term variation in site suitability
Collection records in North America
Predicted range in North America
Model VerificationIteratively adjust parameters until they fit known distribution
Model ValidationKnown and predicted distribution in New Zealand
Model ValidationKnown and predicted distribution in Europe
Model PredictionPredicted distribution in Australia
Model PredictionKnown and predicted distribution in Australia
Verify!
Validate!
Test!
CLIMEX � Compare Years Output
Gayndah
CLIMEX � Compare Years Output
Declared noxious(1951)
Biological control initiated(1963)
CLIMEX � Compare Years Output
CLIMEX � Compare Years Output
Low GI for past 20 years
GI~year*bio.status Biocontrol initiated
CLIMEX � Compare Years Output
CLIMEX � Compare Years Output
Springfield
Biocontrol initiatedGI~year*bio.status
Photo by Niels Hintzen
Insect Survey
Photo by Niels Hintzen
Measuring plants&
Insecticide Application
Relative Growth Rate (Volume) of Groundsel Bush
So� has the biological control program against groundsel
bush been successful?
+ +
Acknowledgements
Funding for Emapi:
Supervisors: Prof Myron Zalucki, Dr Yvonne Buckley and Dr Adele Reid
CLIMEX assistance: Dr Bob Sutherst and Dr Ben Lawson
USA herbariums for location data
Rod Wood (BCC): Access to historical photos
Field assistance: Sarah Chilton, Blair Chilton, David Perovic, Megan Ward, Jennifer Firn, Yvonne Buckley & Adam Dinsdale
Field site use:
Recommended