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Restoring rocky intertidal communities: Lessons from a benthic macroalgal ecosystem engineer.

Alecia Bellgrove¹, Prudence F McKenzie¹, Hayley Cameron¹

¹Deakin University, Geelong, Australia; School of Life and Environmental Sciences, Centre for Integrative Ecology, Warrnambool Campus, P.O. Box 423, Warrnambool, Victoria 3280, Australia.

Marine Pollution Bulletin

|February 17, 2017

Summary

Effective waste management is crucial for coastal biodiversity protection. This study reviews benthic macroalgae, like Hormosira banksii, as ecosystem engineers for rocky intertidal restoration, highlighting knowledge gaps.

Keywords:

Facilitation Foundation species Fucoid algae Hormosira banksii Positive interactions Sewage

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Area of Science:

Marine biology
Ecology
Restoration ecology

Background:

Coastal populations are growing, increasing pressure on marine ecosystems from sewage effluent.
Effective waste management and ecosystem restoration are vital for protecting coastal biodiversity.
Benthic macroalgae act as ecosystem engineers, influencing habitat structure and function.

Purpose of the Study:

To review the role of benthic macroalgae as ecosystem engineers.
To use Hormosira banksii as a case study for rocky intertidal restoration.
To identify knowledge gaps in understanding ecosystem engineers for effective management.

Main Methods:

Literature review on ecosystem engineers and restoration ecology.
Case study analysis of Hormosira banksii in rocky intertidal environments.
Discussion of engineering traits and critical environmental conditions.

Main Results:

Research on the ecological roles of ecosystem engineers lags behind restoration research.
Management decisions are often made without a full understanding of ecosystem engineer ecology.
Understanding thresholds of engineering traits is crucial for successful restoration.

Conclusions:

Hormosira banksii serves as a model for understanding ecosystem engineering in intertidal zones.
Further research is needed to assess the ecological thresholds of key engineering traits.
Informed management strategies require a deeper ecological understanding of ecosystem engineers.