Thriving ecosystem under a protective dome, symbolizing conservation.

Saving Species: How Smart Investments Can Prevent Extinctions

"A government agency's data-driven approach to funding threatened species programs offers a blueprint for effective conservation."


The world is facing a biodiversity crisis. Species are disappearing at an alarming rate, and the funds available to combat these losses are dwindling. In this challenging environment, it's more important than ever to ensure that conservation efforts are as efficient as possible. But how do we decide where to invest our limited resources to achieve the greatest impact?

Traditionally, conservation funding decisions have often been influenced by factors other than objective data, such as the charisma of a particular species or public appeal. However, a groundbreaking study by a government agency in New South Wales (NSW), Australia, is demonstrating a more systematic and effective approach. By incorporating cost, benefit, and likelihood of success into decision-making, they're maximizing the return on their conservation investments.

This article explores the NSW government's innovative Project Prioritization Protocol (PPP), a data-driven framework for allocating resources to threatened species programs. We'll delve into the methodology, the results, and the broader implications for conservation efforts worldwide.

AI Search Multiple angles on this topic

Measuring Biodiversity Loss

The IUCN Red List of Threatened Species, established in 1964, has become the world's most comprehensive information source on the global conservation status of animal, fungi and plant species. Current biodiversity research is supported by statistical reports such as Biodiversity Statistics (2026): Latest Research, published February 12, 2026. Public resources including U.S. Fish and Wildlife Service Open Data and Biodiversity Monitoring Datasets provide tools for examining biodiversity status, threats and conservation responses.

Conservation Methods

Conservation commonly combines species assessment, biodiversity monitoring, threat analysis and evaluation of management responses. These methods can help organize decisions, but their effectiveness may depend on the quality, coverage and comparability of available evidence. Because no single approach captures every ecological and social circumstance, conservation planning is generally best treated as adaptive and subject to revision.

From Protection to Conservation Biology

Accounts of wildlife conservation describe a movement that developed substantially over roughly the last 200 years, when scattered individuals began focusing seriously on saving species. Conservation biology emerged as a distinct field only within approximately the last 50 years. In the United States, the conservation mission has expanded to include restoring endangered species, removing environmental toxins and passing natural resources to future generations. Conservation milestones have also been framed through ethical, aesthetic and economic questions about preserving the integrity, stability and beauty of biotic communities.

Project Prioritization Protocol: A Data-Driven Approach to Conservation

Thriving ecosystem under a protective dome, symbolizing conservation.

The Project Prioritization Protocol (PPP) is a systematic approach to conservation investment that was first implemented by the New Zealand Department of Conservation (DOC). The NSW government adapted this protocol to prioritize investment in threatened species under the state's Saving our Species (SoS) program. The core idea behind PPP is simple: allocate resources to projects that offer the greatest potential for success at the lowest cost.

The NSW government's implementation of PPP involved several key steps:

  • Defining Objectives: The overarching objective of the SoS program was to maximize the number of threatened species that are secure in the wild in NSW for 100 years. This long-term perspective encouraged experts to consider the lasting impacts of their decisions.
  • Identifying Assets: Out of 917 species listed under the Biodiversity Conservation Act, 368 were chosen based on the quality of data available and possibility of success in the long term.
  • Developing Projects: Expert panels developed detailed management prescriptions (conservation projects) for each of the selected species, identifying the minimum number of management sites and actions required to abate critical threats.
  • Quantifying Benefits, Costs, and Likelihood of Success: Experts quantified the benefits (increase in species' probability of survival), costs (implementation costs over 50 years), and likelihood of success (probability of achieving desired outcomes) for each project.
  • Ranking Projects: Projects were ranked based on a cost-efficiency equation that considered benefit, likelihood of success, and cost.
AI Search Multiple angles on this topic

An Expanding Research Field

Recent coverage from Nature and Springer presents conservation biology as an active field concerned with protecting biodiversity and understanding the biological and social factors that shape conservation success. Springer highlights new methods, discoveries and ideas across conservation and preservation research. Nature's Scientific Reports conservation collection also continues to publish research articles, including material dated September 16, 2026. Together, these outlets indicate a research agenda that spans ecological processes, social conditions and practical conservation interventions.

Why Conservation Can Fall Short

Conservation interventions may fail when their assumptions do not match local ecological or social conditions. Outcomes can also be limited by incomplete evidence, fragmented implementation or insufficient attention to how threats change over time. These uncertainties suggest that conservation claims should be evaluated against measurable results rather than accepted solely because an intervention is well established. Learning from unsuccessful efforts is therefore an important part of improving future decisions.

Species or Ecosystems?

The sources describe an ongoing debate over whether conservation should prioritize individual species or ecosystem functions. One line of analysis challenges the assumption that preserving native species at all costs and reducing exotic species abundance is always the route to restoration success. Other discussions identify conflicting views about species-focused and ecosystem-focused strategies, while also emphasizing the role of human inhabitants in conserving landscapes. The choice can have financial, legal, biological and conservation consequences because different definitions of a species may produce different numbers and groupings.

The PPP algorithm ran iteratively, removing the lowest-ranked project in each cycle, until the total cost of implementing all remaining projects was less than the allocated budget. This ensured that the available funds were used to achieve the greatest possible conservation impact.

A Model for Global Conservation Efforts

The NSW government's experience with the Project Prioritization Protocol offers a valuable model for conservation efforts worldwide. By embracing a data-driven, systematic approach, we can ensure that our limited resources are used as effectively as possible to protect the planet's precious biodiversity. In the face of a growing extinction crisis, this kind of smart investment is more critical than ever.

AI Search Multiple angles on this topic

Using Expertise Responsibly

Expert knowledge is widely used in conservation decisions and may be the only practical route for data-deficient species at the science-policy interface. Bias-controlled expert opinion surveys can help rank threats and guide or expedite species recovery plans. However, conservation translocations involve uncertainty and risk, including disease risk, and existing qualitative disease-risk protocols commonly rely on expert judgment without quantitative aggregation. Recent work therefore emphasizes evidence-based methodologies and formal experimental designs for evaluating management interventions.

Planning for 2050 and Beyond

Conservation futures research argues that large-scale biodiversity and management changes require long-term goals and planning across multiple sectors. Recognized drivers include land use and management interventions, species additions or losses and climate change, while current responses are often short-term and fragmented across agencies and sectors. Scenario-building offers one way to explore possible futures, and horizon scanning is used to identify emerging and novel conservation issues. Recent initiatives also point to targeted funding, locally led action and landscape-scale efforts such as invasive-species work in Africa and tiger-landscape projects across Asia.

Conservation in a Changing System

Species protection operates within interconnected ecological, institutional and social systems. Climate change, land-use change, fragmented governance and shifting management priorities can interact in ways that make isolated interventions less effective. Addressing these pressures may require coordination across agencies, sectors and communities, alongside longer time horizons than individual projects typically allow. Because conditions and evidence change, systemic conservation strategies should remain adaptive rather than treating current plans as permanent.

From Plans to Practice

Real-world conservation case studies document projects that have improved the status of protected species or habitats through targeted measures. The available case collections emphasize lessons learned, stakeholder engagement, science and policy as components of effective initiatives. Other repositories compile annual-report case studies, small-grant examples and large-project stories, while Conservation Standards case studies show teams applying structured approaches to planning, management, implementation and monitoring. These examples connect conservation investment with practical work and observable outcomes.

Prioritizing threatened-species projects in New South Wales

PopulationThreatened species in New South Wales, Australia[1]
Sample size368 threatened species[1]
SettingSaving our Species program, New South Wales, Australia[1]
Duration2016–2021[1]
ComparisonPrevious program (2007 thru 2011)[1]
Main outcomeSecuring the greatest number of threatened species from extinction[1]
p-valuep < 0.001[1]
Funding$100 million committed by the NSW government to SoS 2016–2021[1]
Times cited62[1]

Planned project coverage compared with the previous program

  • >300 speciesThe new program planned complete projects—meaning all critical actions—for more than 300 site-managed species.[2]
  • 49 speciesThe previous program implemented all priority actions for 49 species, a smaller count than the new program’s planned coverage; the comparison is between planned and completed work.[2]Caveat: The new-program figure is a plan; the previous-program figure describes implementation.

How later work places the NSW protocol in conservation planning

Later work also frames species recovery as a lifecycle that can include assessment and transitional management, and presents the NSW program as an example of that approach.[3]

What the investment approach shows-and what it cannot prove

The analysis links expert-designed management plans to a consistent comparison of expected benefit, success likelihood and cost. That makes the ranking a way to compare proposed projects, not a record of conservation outcomes already achieved.[1] [2]

The paper argues that an objective process can help direct limited resources toward securing species. But the large funding commitment makes it difficult to isolate how much the protocol itself contributed to impact.[2]

What complicates a simple reading of the rankings

  • The authors acknowledge that other methods, as well as other versions of the protocol, could also seek cost-effective investment.[2]
  • Some project attributes matter to benefit, success or cost but resist consistent, defensible measurement, leaving parts of the decision outside the quantified comparison.[2]
  • The protocol was applied only to site-managed species; the authors say it is not appropriate for every threatened species.[1]

What a follow-up evaluation could clarify

  • How much of the program’s impact can be attributed to prioritization rather than the increase in investment?[2]

Terms used in the study

Expert elicitation
A process for developing management prescriptions using expert input.[1]
Management stream
A category for species based on ecological or management requirements.[1]

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

This article is based on research published under:

DOI-LINK: 10.1371/journal.pone.0201413, Alternate LINK

Title: A Large-Scale Application Of Project Prioritization To Threatened Species Investment By A Government Agency

Subject: Multidisciplinary

Journal: PLOS ONE

Publisher: Public Library of Science (PLoS)

Authors: James Brazill-Boast, Moira Williams, Beth Rickwood, Thalie Partridge, Grant Bywater, Bronwyn Cumbo, Ian Shannon, William J. M. Probert, Julie Ravallion, Hugh Possingham, Richard F. Maloney

Published: 2018-08-14

Everything You Need To Know

1

What is the core objective of the Saving our Species (SoS) program in NSW, Australia?

The overarching objective of the Saving our Species (SoS) program in NSW, Australia, is to maximize the number of threatened species that are secure in the wild within NSW for a period of 100 years. This long-term perspective encourages experts to consider the lasting impacts of their decisions, ensuring that conservation efforts have sustained benefits beyond the immediate term. The program is designed to make sure that the conservation efforts are effective and have a lasting positive effect on the environment and its species.

2

How does the Project Prioritization Protocol (PPP) determine which conservation projects receive funding?

The Project Prioritization Protocol (PPP) uses a data-driven approach to allocate resources. It considers the benefits (increase in a species' probability of survival), the costs (implementation costs over 50 years), and the likelihood of success for each conservation project. These factors are quantified by experts and then used in a cost-efficiency equation to rank projects. The algorithm iteratively removes the lowest-ranked projects until the total cost of the remaining projects aligns with the available budget, ensuring the most effective use of funds to protect threatened species.

3

What were the key steps involved in the NSW government's implementation of the Project Prioritization Protocol (PPP)?

The NSW government's implementation of the Project Prioritization Protocol (PPP) involved several key steps: First, it defined objectives, specifically to maximize the number of secure threatened species in NSW for 100 years. Then, it identified assets, selecting 368 species out of 917 listed under the Biodiversity Conservation Act. Following that, expert panels developed detailed management prescriptions (conservation projects) for each selected species, specifying necessary actions. Next, they quantified the benefits, costs, and likelihood of success for each project. Finally, the projects were ranked based on a cost-efficiency equation to ensure the greatest conservation impact with available resources.

4

How does the Project Prioritization Protocol (PPP) differ from traditional conservation funding methods, and why is this difference important?

Traditional conservation funding methods often rely on factors like the charisma of a species or public appeal, whereas the Project Prioritization Protocol (PPP) uses a data-driven approach. The PPP considers the benefits (increased survival probability), costs, and likelihood of success for each project. This difference is crucial because it allows for a more systematic and effective allocation of limited resources. By prioritizing projects based on their potential impact and cost-efficiency, the PPP ensures that conservation efforts achieve the greatest possible outcomes in protecting threatened species, offering a more objective method compared to traditional ones.

5

Can the Project Prioritization Protocol (PPP) be applied outside of NSW, Australia, and if so, what are the broader implications?

Yes, the Project Prioritization Protocol (PPP) can be applied globally. The article explicitly states that the NSW government's experience offers a valuable model for conservation efforts worldwide. The broader implications are significant: by embracing a data-driven, systematic approach, conservation efforts worldwide can ensure that limited resources are used as effectively as possible to protect the planet's biodiversity. This is especially critical in the face of a growing extinction crisis, making smart investments more vital than ever to conserve endangered species and maintain ecological balance.

Newsletter Subscribe

Subscribe to get the latest articles and insights directly in your inbox.