Terry Walshe

University of Melbourne

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Mark A. Burgman

University of Hawaiʻi at Mānoa

Michael C. Runge

United States Geological Survey

Eve McDonald‐Madden

University of Queensland

Hugh P. Possingham

University of Queensland

Victoria Hemming

University of British Columbia

Rodrigo A. Estévez

Universidad Santo Tomás

Brendan A. Wintle

University of Melbourne

Kenneth R. N. Anthony

Australian Institute of Marine Science

Tracy M. Rout

University of Queensland

David A. Keith

UNSW Sydney

Cooperative Institutions

University of Melbourne

University of Queensland

Commonwealth Scientific and Industrial Research Organisation

James Cook University

Australian Research Council

ARC Centre of Excellence for Environmental Decisions

Ecosystem Sciences

Australian Institute of Marine Science

John Wiley & Sons (United States)

University of British Columbia

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Use of confidence intervals to demonstrate performance against forest management standards

Forest Ecology and Management (2007)

Terry Walshe Brendan A. Wintle Fiona Fidler Mark A. Burgman

Statistical power

Pessimism

10.1016/j.foreco.2007.04.048

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Citations (27)

A dynamic hydrological Monte Carlo simulation model to inform decision-making at Lake Toolibin, Western Australia

Journal of Environmental Management (2008)

Stuart E. Jones Peter Lacey Terry Walshe

Inflow

10.1016/j.jenvman.2008.11.027

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Citations (23)

Post-border surveillance techniques: review, synthesis and deployment

Susan M. Hester Cindy E. Hauser John M. Kean Terry Walshe Andrew Robinson

Source

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Citations (7)

Spatial Management of the Hawkesbury Bioregion. Outcomes of an expert workshop held 13 May 2016

Terry Walshe

Bioregion

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Uncertainty in Comparative Risk Analysis for Threatened Australian Plant Species

Risk Analysis (1999)

Mark A. Burgman David A. Keith Terry Walshe

Australian state and federal agencies use a broad range of methods for setting conservation priorities for species at risk. Some of these are based on rule sets developed by the International Union for the Conservation ofNature, while others use point scoring protocols to assess threat. All of them ignore uncertainty in the data. In this study, we assessed the conservation status of 29 threatened vascular plants from Tasmania and New South Wales using a variety of methods including point scoring and rule‐based approaches. In addition, several methods for dealing with uncertainty in the data were applied to each of the prioritysetting schemes. The results indicatethat the choice of a protocol for setting priorities and the choice of the way in which uncertainty is treated may make important differences to the resulting assessments of risk. The choice among methods needs to be rationalized within the management context in which it is to be applied. These methods are not a substitute for more formal risk assessment.

10.1111/j.1539-6924.1999.tb00430.x

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Citations (43)

Repairing and conserving Australia's saltmarshes and seascapes

Colin Creighton Terry Walshe Ian McLeod Vishnu Prahalad Marcus Sheaves

Australia's coastal marine biodiversity and accompanying benefits such as fisheries have been markedly reduced due to loss of essential inshore habitats. These coastal habitats provide a nursery ground for a multitude of animals, including fish, prawns and birds. Many species depend on inshore habitat during critical early life-stages characterised by rapid growth and development (coastal dependency). These coastal tidally linked wetlands (commonly known as ‘seascapes’) comprise mangrove-lined channels, salt marshes, mud flats, sedge lands and sub tidal and inter tidal channels and gutters.

Salt marsh

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Towards identification of an efficient set of natural diversity recovery catchments in the Western Australian wheatbelt

Records of the Western Australian Museum Supplement (2004)

Terry Walshe Stuart Halse N. L. McKenzie Neil Gibson

Prudent

Identification

10.18195/issn.0313-122x.67.2004.365-384

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Citations (7)

Decision analysis for the planning and assessment of ex situ management: An application to the endangered mahogany glider

Austral Ecology (2023)

Tracy M. Rout Stephen Jackson Dalene Adam Jacqui Diggins Eve McDonald‐Madden

Abstract Ex situ (‘off‐site’) management refers to keeping species in artificial conditions away from their natural habitat and includes captive breeding facilities, botanical gardens and seed banks. There is scope for ex situ programmes to be more commonly used for supplementing or establishing wild populations. However, undertaking ex situ management comes with risks, costs and uncertainties, which must be assessed in the context of available in situ (‘on‐site’) management options. The PACES (Planning and Assessment for Conservation through Ex situ management) tool tailors the principles of structured decision‐making to the specific problem of assessing and comparing ex situ and in situ management options. We applied the PACES tool to the mahogany glider ( Petaurus gracilis ), a threatened arboreal marsupial endemic to north Queensland, Australia. Through an expert elicitation process, we predicted the likely benefits of an ex situ and two in situ management options, as compared to a baseline ‘do‐nothing’ scenario. The ‘in situ plus’ alternative (where extra resources are dedicated to in situ management) was predicted to result in the largest population increase according to the participants' best estimates. However, this benefit came at a much larger cost than the ex situ alternative, and without the benefit of an ex situ insurance population. The PACES tool assessment allowed the Mahogany Glider Recovery Team to document and plan the financial costs, risks and benefits of potential future management options for the mahogany glider, laying a transparent basis for future assessment and decision‐making.

Ex situ conservation

Adaptive Management

Baseline (sea)

10.1111/aec.13310

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Stochastic Dominance to Account for Uncertainty and Risk in Conservation Decisions

Conservation Letters (2015)

Stefano Canessa John G. Ewen Matt West Michael A. McCarthy Terry Walshe

Practical conservation normally requires making decisions in the face of uncertainty. Our attitude toward that uncertainty, and the risks it entails, shape the way conservation decisions are made. Stochastic dominance (SD), a method more commonly used in economics, can be used to rank alternative conservation actions by comparing the probability distributions of their outcomes, making progressive simplified assumptions about the preferences of decision makers. Here, we illustrate the application of SD to conservation decisions using the recovery plan for an endangered frog species in Australia as a case study. SD is simple and intuitively appealing for conservation decisions; its broader application may encourage conservation decision makers to consider probabilistic uncertainty in light of their preferences, which may otherwise be difficult to recognize and assess transparently. A better treatment of attitudes towards uncertainty and risk may help ensure rational decision making in conservation and remove potential causes of stakeholder conflict.

Stochastic dominance

Dominance (genetics)

Uncertainty

10.1111/conl.12218

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Citations (24)

Invasive Species: Risk Assessment and Management

Andrew P. Robinson Terry Walshe Mark A. Burgman Mike Nunn

With climate change and increasing globalisation of trade and travel, the risks presented by invasive pests and pathogens to natural environments, agriculture and economies have never been greater, and are only increasing with time. Governments world-wide are responding to these increased threats by strengthening quarantine and biosecurity. This book presents a comprehensive review of risk-based techniques that help policy makers and regulators protect national interests from invasive pests and pathogens before, at, and inside national borders. Selected from the research corpus of the Centre of Excellence for Biosecurity Risk Analysis at the University of Melbourne, this book provides solutions that reflect scientific rigour coupled with practical, hands-on applications. Focusing on surveillance, stochastic modelling, intelligence gathering, decision making and risk communication, the contents combine the strengths of risk analysts, mathematicians, economists, biologists and statisticians. The book presents tested scientific solutions to the greatest challenges faced by quarantine and biosecurity policy makers and regulators today. Approaches have been developed in an international regulatory context, ensuring they are practical and feasible globally Principles are easily generalized to be of value to other (non-biosecurity) regulators and inspectorates Covers human, animal, plant and environmental health, so it can be adopted in a variety of sectors and in multidisciplinary and cross-sectoral collaborations.

Biosecurity

Rigour

Excellence

Precautionary Principle

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Citations (22)