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Threats to Biodiversity

Threats to Biodiversity

There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...

What is Conservation Biology?

What is Conservation Biology?

Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.

Sustainable Development

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Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...

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Related Experiment Video

Updated: May 1, 2026

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Published on: October 31, 2019

Prioritizing global conservation efforts.

Kerrie A Wilson¹, Marissa F McBride, Michael Bode

¹The Ecology Centre, Schools of Integrative Biology and Physical Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia. k.wilson2@uq.edu.au

|March 17, 2006

Summary

This summary is machine-generated.

Limited conservation resources require optimal allocation. This study presents a new approach for prioritizing conservation spending across regions, using heuristics to approximate optimal solutions for complex biodiversity conservation problems.

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Area of Science:

Conservation science
Ecological economics
Operations research

Background:

Global conservation efforts face challenges in allocating limited resources effectively among priority regions.
Existing methods like biodiversity hotspots identify priority areas but do not guide resource distribution.
The 'conservation resource allocation problem' requires methods beyond simple prioritization.

Purpose of the Study:

To formulate an optimal conservation resource allocation strategy.
To develop practical heuristics for large-scale resource allocation problems.
To demonstrate the application of the approach using a real-world case study.

Main Methods:

Formulation of the conservation resource allocation problem.
Application of stochastic dynamic programming for small-scale optimization.
Development and evaluation of two novel, interpretable heuristics for large-scale problems.
Analysis of the impact of time-varying investment returns.

Main Results:

Two heuristics were identified that closely approximate optimal conservation resource allocation.
The study highlights the critical importance of accurate problem formulation and dynamic investment return data.
The proposed approach is scalable and applicable across various spatial levels.

Conclusions:

Effective biodiversity conservation necessitates optimized resource allocation strategies.
Heuristics offer practical solutions for complex, large-scale conservation funding decisions.
The developed framework provides a valuable tool for conservation organizations worldwide.