A method for setting the size of plant conservation target areas

Burgman, M. A., Possingham, H. P., Lynch, A. J. J., Keith, D. A., McCarthy, M. A., Hopper, S. D., Drury, W. L., Passioura, J. A. and Devries, R. J. (2001) A method for setting the size of plant conservation target areas. Conservation Biology, 15 3: 603-616.


Author Burgman, M. A.
Possingham, H. P.
Lynch, A. J. J.
Keith, D. A.
McCarthy, M. A.
Hopper, S. D.
Drury, W. L.
Passioura, J. A.
Devries, R. J.
Title A method for setting the size of plant conservation target areas
Journal name Conservation Biology   Check publisher's open access policy
Publication date 2001
Sub-type Article
DOI 10.1046/j.1523-1739.2001.015003603.x
Volume number 15
Issue number 3
ISSN 0888-8892
Start page 603
End page 616
Total pages 14
Language eng
Abstract Realistic time frames in which management decisions are made often preclude the completion of the detailed analyses necessary for conservation planning. Under these circumstances, efficient alternatives may assist in approximating the results of more thorough studies that require extensive resources and time. We outline a set of concepts and formulas that may be used in lieu of detailed population viability analyses and habitat modeling exercises to estimate the protected areas required to provide desirable conservation outcomes for a suite of threatened plant species. We used expert judgment of parameters and assessment of a population size that results in a specified quasiextinction risk based on simple dynamic models The area required to support a population of this size is adjusted to take into account deterministic and stochastic human influences, including small-scale disturbance deterministic trends such as habitat loss, and changes in population density through processes such as predation and competition. We set targets for different disturbance regimes and geographic regions. We applied our methods to Banksia cuneata, Boronia keysii, and Parsonsia dorrigoensis, resulting in target areas for conservation of 1102, 733, and 1084 ha, respectively. These results provide guidance on target areas and priorities for conservation strategies.
Keyword Biodiversity Conservation
Ecology
Environmental Sciences
Population Viability Analysis
Banksia-cuneata
Dynamics
Models
Fire
Rare
Demography
Algorithms
Selection
Reserves
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Mon, 13 Aug 2007, 12:22:03 EST