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Updated: Apr 23, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Under the radar: mitigating enigmatic ecological impacts.

Keren G Raiter¹, Hugh P Possingham², Suzanne M Prober³

¹School of Plant Biology, University of Western Australia, 35 Stirling Hwy Crawley, Perth, WA, 6009, Australia.

Trends in Ecology & Evolution

|October 2, 2014

Summary

This summary is machine-generated.

Development projects can cause hidden ecological impacts that conventional assessments miss. This study proposes a framework to identify and address these "enigmatic" impacts for better environmental protection.

Keywords:

cryptic impacts cumulative impacts ecological impact evaluations offsite impacts secondary impacts synergistic impacts

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Area of Science:

Environmental Science
Ecology
Conservation Biology

Background:

Development activities like roads, mining, and urbanization cause ecological harm.
Conventional impact assessments often overlook subtle, cumulative, or indirect environmental effects.
These overlooked 'enigmatic' impacts can undermine mitigation and offset strategies.

Purpose of the Study:

To identify and categorize 'enigmatic' ecological impacts arising from development.
To propose a conceptual framework for understanding these overlooked impacts.
To discuss strategies for addressing enigmatic impacts in environmental evaluations.

Main Methods:

Literature review and synthesis of ecological impact assessment methodologies.
Development of a conceptual framework categorizing enigmatic impacts.
Analysis of case studies illustrating enigmatic impacts.

Main Results:

Identified five categories of enigmatic impacts: cumulative, spatially external, methodologically undetectable, facilitated, and synergistic.
Demonstrated how these impacts evade standard evaluation methods and scales.
Highlighted the limitations of current impact assessment and mitigation practices.

Conclusions:

A novel framework is proposed to conceptualize and address enigmatic ecological impacts.
Recognizing and integrating these impacts is crucial for effective environmental management and mitigation.
Future research should focus on developing methods to detect and manage these overlooked effects.