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Related Experiment Video

Updated: May 20, 2026

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

Rethinking Artificial Reefs to Accelerate and Upscale Marine Biodiversity Recovery.

Zhiyuan Zhao^1,2, Tjisse van der Heide², Pauline Kamermans³

¹State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 200241 Shanghai, China.

Environmental Science & Technology

|May 19, 2026

Summary

This summary is machine-generated.

Artificial reefs (ARs) aid marine life but use unsustainable materials. A new "rewilding ARs" approach uses temporary structures for natural reef formation and biodiversity recovery.

Keywords:

active restoration artificial reef biodiversity recovery marginal sea rewilding windows of opportunity

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Area of Science:

Marine Ecology
Restoration Ecology
Anthropogenic Habitats

Background:

Artificial reefs (ARs) are widespread anthropogenic interventions in marine environments.
ARs have transitioned from socioeconomic tools to active marine restoration components.
Current AR deployment often uses eco-unfriendly materials, limiting scalability and ecological benefits.

Purpose of the Study:

To evaluate the evolution and impact of artificial reefs.
To identify limitations in current artificial reef practices.
To propose a new paradigm for artificial reef design and implementation.

Main Methods:

Comprehensive literature review and meta-analysis of artificial reef studies.
Synthesis of interdisciplinary expert insights (ecologists, engineers, legal experts, etc.).
Development of guiding principles for innovative artificial reef strategies.

Main Results:

ARs positively influence marine organisms at multiple levels but offer limited organismal fitness benefits compared to natural reefs.
The use of unsustainable materials in ARs hinders upscaling and ecological restoration.
A paradigm shift towards "rewilding ARs" is proposed, focusing on temporary structures that promote natural reef formation and biodiversity.

Conclusions:

"Rewilding ARs" offer a sustainable approach to marine restoration by enhancing habitat quality and promoting spontaneous recovery.
Six guiding principles are proposed for the effective, scalable, and outcome-optimized implementation of "rewilding ARs".
Innovative AR examples demonstrate progress toward sustainable biodiversity recovery and improved organismal fitness.