High-tech tool helps scientists identify coral reef fish by sound – Earth.com

High-tech tool helps scientists identify coral reef fish by sound – Earth.com

 

Report on a Novel Acoustic Monitoring Technology for Marine Ecosystems and its Alignment with Sustainable Development Goals

Introduction

A collaborative study by FishEye Collaborative, Cornell University, and Aalto University has introduced an innovative technology for monitoring marine ecosystems. This report details the technology, its initial findings, and its significant implications for achieving the United Nations Sustainable Development Goals (SDGs), particularly SDG 14 (Life Below Water).

Technological Advancement: The UPAC-360 System

Addressing Monitoring Challenges in Biodiverse Environments

Traditional passive acoustic monitoring in marine environments, especially biodiverse coral reefs, has been hampered by the inability to accurately attribute specific sounds to individual species. This challenge has limited the effectiveness of acoustic data in conservation and management efforts aimed at protecting marine life.

System Overview

The Omnidirectional Underwater Passive Acoustic Camera (UPAC-360) overcomes this limitation by integrating two key technologies:

  1. A hydrophone array for capturing spatial audio.
  2. A 360° camera for simultaneous visual recording.

This combination allows researchers to precisely correlate acoustic signals with visual data, identifying the specific fish species producing each sound. This innovation is a critical step forward in developing research capacity, a key component of SDG 14.a.

Initial Findings and Scientific Contributions

Expanding the Global Fish Sound Library

Initial deployment of the UPAC-360 on reefs in Curaçao yielded significant results:

  • Sounds were successfully attributed to 46 distinct fish species.
  • More than half of these species had not been previously identified as sound-producing.
  • The research has produced the most extensive collection of verified, in-situ fish sounds ever published, creating a foundational dataset for global marine science.

Foundation for Automated Monitoring

The verified sound library is now being used to train machine-learning models. The goal is to develop automated systems capable of identifying fish species from acoustic data alone. This will enable continuous, non-invasive, and large-scale monitoring of reef health, directly supporting the sustainable management and protection of marine ecosystems as outlined in SDG 14.2.

Direct Impact on Sustainable Development Goals (SDGs)

SDG 14: Life Below Water

The UPAC-360 technology provides a powerful tool for advancing several targets within SDG 14:

  • Conservation and Sustainable Use: By enabling accurate biodiversity assessments, the technology allows for more effective monitoring of marine protected areas and evaluation of conservation interventions.
  • Ecosystem Protection: It provides a method to track reef health and resilience in response to stressors like climate change, pollution, and overfishing, which threaten a quarter of all marine species.
  • Scientific Knowledge: The project directly increases scientific knowledge and transfers marine technology, empowering conservationists and governments to make data-driven decisions for ocean management.

Supporting Interconnected Global Goals

The degradation of coral reefs has far-reaching consequences. This technology also contributes to other SDGs by addressing these interconnected challenges:

  • SDG 1 (No Poverty) & SDG 2 (Zero Hunger): Coral reefs support the food security and livelihoods of nearly a billion people. Protecting these ecosystems is essential for safeguarding these communities.
  • SDG 13 (Climate Action): The data gathered can be used to monitor the impacts of climate change on vulnerable marine habitats, informing climate adaptation and mitigation strategies.
  • SDG 9 (Industry, Innovation, and Infrastructure): The development of the UPAC-360 is a prime example of scientific innovation being applied to solve critical environmental challenges.

Conclusion and Future Outlook

The development of the UPAC-360 represents a significant breakthrough in marine ecology and conservation technology. By decoding the complex soundscapes of coral reefs, this tool provides an invaluable method for monitoring biodiversity and ecosystem health. Future plans to expand recordings to other critical reef systems in the Caribbean, Hawai‘i, and Indonesia will further enhance its utility. This innovation is a crucial asset in the global effort to protect marine life, ensure the sustainability of our oceans, and achieve the targets set forth in the Sustainable Development Goals.

Analysis of Sustainable Development Goals in the Article

1. Which SDGs are addressed or connected to the issues highlighted in the article?

The article on the new acoustic monitoring technology for coral reefs connects to several Sustainable Development Goals (SDGs). The primary focus is on marine conservation, but the implications extend to innovation, food security, and global partnerships.

  • SDG 14: Life Below Water: This is the most central SDG. The entire article focuses on developing a new method to understand, monitor, and protect marine biodiversity, specifically within coral reef ecosystems, which are critical marine habitats.
  • SDG 9: Industry, Innovation, and Infrastructure: The article details the creation of an “innovative tool,” the Omnidirectional Underwater Passive Acoustic Camera (UPAC-360). This represents a significant advancement in scientific research infrastructure and technology for environmental monitoring.
  • SDG 2: Zero Hunger: The article explicitly links the health of coral reefs to human well-being, stating that their decline threatens “the food security and livelihoods of nearly a billion people who depend on them.”
  • SDG 13: Climate Action: The article identifies “climate change” as one of the severe threats causing the decline of coral reefs, linking the need for monitoring technology to understanding the impacts of climate change on marine ecosystems.
  • SDG 17: Partnerships for the Goals: The project is a result of a multi-stakeholder partnership, involving “FishEye Collaborative, Cornell University, and Aalto University,” which exemplifies the collaborative approach needed to address complex environmental challenges.

2. What specific targets under those SDGs can be identified based on the article’s content?

Based on the issues discussed, several specific SDG targets can be identified:

  1. SDG 14: Life Below Water

    • Target 14.2: “By 2020, sustainably manage and protect marine and coastal ecosystems to avoid significant adverse impacts, including by strengthening their resilience, and take action for their restoration in order to achieve healthy and productive oceans.” The article’s goal of using acoustics as a “powerful indicator of reef health and resilience” and a “tool for ocean conservation” directly supports this target by providing a method to monitor and manage these ecosystems.
    • Target 14.a: “Increase scientific knowledge, develop research capacity and transfer marine technology… in order to improve ocean health.” The development of the UPAC-360 and the creation of “the most extensive collection of natural fish sounds ever published” are direct contributions to increasing scientific knowledge and developing new marine technology.
  2. SDG 9: Industry, Innovation, and Infrastructure

    • Target 9.5: “Enhance scientific research, upgrade the technological capabilities of industrial sectors in all countries… encouraging innovation.” The article is a case study of this target in action, describing a technological breakthrough that enhances scientific research capabilities for marine biology and conservation.
  3. SDG 2: Zero Hunger

    • Target 2.1: “By 2030, end hunger and ensure access by all people… to safe, nutritious and sufficient food all year round.” By developing tools to protect coral reefs, the initiative helps safeguard a critical food source for coastal communities, thereby contributing to food security as mentioned in the article.
  4. SDG 17: Partnerships for the Goals

    • Target 17.16: “Enhance the global partnership for sustainable development, complemented by multi-stakeholder partnerships that mobilize and share knowledge, expertise, technology and financial resources…” The collaboration between the three distinct institutions (a non-profit, and two universities) to create and share this technology is a clear example of such a partnership.

3. Are there any indicators mentioned or implied in the article that can be used to measure progress towards the identified targets?

The article mentions and implies several indicators that can be used to measure progress:

  1. Indicators for SDG 14 (Life Below Water)

    • Reef Health and Biodiversity: The article proposes that “acoustics can become a powerful indicator of reef health and resilience.” The diversity and volume of fish sounds in a soundscape can be used as a direct measure of the health of the ecosystem.
    • Number of Identified Sound-Producing Species: Progress in scientific knowledge (Target 14.a) can be measured by the growth of the online library of fish sounds. The article provides a baseline, stating the team “attributed sounds to 46 fish species, with more than half never before recognized as sound-producing.”
  2. Indicators for SDG 9 (Industry, Innovation, and Infrastructure)

    • Development and Deployment of New Monitoring Technologies: The creation and successful deployment of the UPAC-360 is itself an indicator of progress in innovation (Target 9.5). The planned expansion of its use to “reefs in Hawai‘i and Indonesia” would be a further measure of its adoption and impact.
  3. Indicators for SDG 2 (Zero Hunger)

    • Stability of Fish Stocks in Reef Ecosystems: While not directly measured in the article, the technology allows for “broader and deeper monitoring” of fish populations. Data on the abundance of species that are important for local food security could serve as an indicator for Target 2.1.

Summary of Findings

SDGs Targets Indicators
SDG 14: Life Below Water 14.2: Sustainably manage and protect marine and coastal ecosystems.
14.a: Increase scientific knowledge and develop research capacity and marine technology.
Implied: Health and resilience of coral reefs measured through acoustic diversity.
Mentioned: Number of fish species with identified sounds in the online library (Baseline: 46 species identified).
SDG 9: Industry, Innovation, and Infrastructure 9.5: Enhance scientific research and encourage innovation. Mentioned: The development and deployment of the Omnidirectional Underwater Passive Acoustic Camera (UPAC-360).
SDG 2: Zero Hunger 2.1: Ensure access to safe, nutritious, and sufficient food. Implied: Stability and abundance of fish populations within coral reefs that support the food security of nearly a billion people.
SDG 13: Climate Action 13.3: Improve education, awareness-raising and human and institutional capacity on climate change impact reduction. Implied: Data on reef health decline or resilience, which can be used to track the impacts of climate change and inform adaptation strategies.
SDG 17: Partnerships for the Goals 17.16: Enhance the global partnership for sustainable development through multi-stakeholder partnerships. Mentioned: The successful collaboration between FishEye Collaborative, Cornell University, and Aalto University.

Source: earth.com