A main objective of coral restoration is to promote biodiversity and abundance of coral reef associated species including fish. Photo © Jeff Yonover

A main objective of coral restoration is to promote biodiversity and abundance of coral reef associated species including fish. Photo © Jeff Yonover

Once you have decided that your site is a good candidate for restoration (i.e., coral transplants have a high chance of long-term success), the next step is to identify the objectives of the restoration program. These objectives should be clearly articulated and agreed upon by all project partners before restoration begins. Defining your objectives can help to clarify why active restoration is being considered over other management activities and explain why you believe the site will not recover naturally and needs further investment and resources. This process can also help identify which restoration methods to use, the costs required, which stakeholders to partner with, and the timeline and scale of the restoration program.

Restoration programs globally vary in their objectives, thus may require different approaches. Objectives can be biological, socio-economic, or both. Below is a list of objectives identified by previous coral restoration programs:

Biological Objectives

  • Promoting recovery of biodiversity
  • Increasing biomass and productivity of commercially important reef species
  • Assisting recovery of key reef species (e.g., reef-building corals) or ecosystem processes (e.g., coral recruitment)
  • Mitigation of damage or degradation to coral reef framework, for instance from developments that impact coral populations

Socio-economic Objectives

  • Building public awareness and environmental education to increase local appreciation of coral reef ecosystems
  • Development of alternative livelihoods (e.g. culture of aquarium products, tourism) to reduce resource use on coral reefs
  • Increasing ecosystem services to local communities, such as coastal protection

Carefully determining and describing specific goals is a critical step of the planning phase since project success or failure cannot be assessed without them. Specifically, objectives should lead to a set of quantitative or measurable targets that objectively evaluate the restoration project. Taking the time to set objectives also helps check for unrealistic ecological outcomes or expectations that could lead the project to fail. Finally, setting realistic objectives and evaluating project success will help support adaptive management.

Stakeholder Involvement

Before the objectives can be finalized, all stakeholders involved should agree on the aims of the restoration project. This can help to build consensus among project partners and may help to avoid potential conflicts that could develop. In addition, assessing potential risks to restoration projects (e.g., from storms or warm temperature events driven by climate change) can help stakeholders to have more realistic expectations of project results and take steps to reduce the risks that such impacts will adversely affect restoration projects.

Timescales

Natural recovery of coral reef ecosystems occurs over many years, because of the slow growth of many corals and the size at which corals become sexually reproductive. Thus, realistic expectations are needed regarding the length of time it takes corals to recover. It is recommended that final goals of a restoration program occur 5-10 years after transplantation, with intermittent goals occurring in between to assess progress over time and make any necessary adjustments. These measurable and time-bound objectives should be included as part of a monitoring plan.

Resources

Reef Rehabilitation Manual (pdf, 5.2M)

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Last updated October 20, 2017

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