Aquaculture, the practice of farming aquatic organisms, is typically confined to inshore environments such as protected bays, estuaries, and man-made ponds. These locations allow easier management and shelter from storm damage but come with significant drawbacks, including competition from other coastal users and water quality issues that can negatively impact productivity. Munroe’s team sought to challenge these limitations by extending clam farming into the harsher, open ocean environment, where cleaner water and expansive space may offer enhanced growth potential and fewer conflicts with human activities.

Surfclams, large bivalves known for their robust shells and prominent role in commercial seafood markets, have traditionally been harvested from wild stocks. They burrow into sandy marine substrates and provide a key ingredient in various culinary dishes, including chowders and fried clam strips. This study hypothesized that juvenile surfclams could thrive in offshore cages designed to protect them from predators while providing optimal conditions for growth and survival in the dynamic oceanic environment.

The experimental design involved deploying more than 300,000 juvenile surfclams into custom-engineered cages located miles offshore along the New Jersey coast. These cages featured innovative construction aimed at mitigating predation and sediment intrusion—two significant challenges in clam farming. By elevating clams off the ocean floor, the cages allowed a continuous flow of cleaner water, reducing sand buildup inside the clams’ shells and improving meat quality for consumption.

Throughout the year-long study, the team monitored clam growth and survival rates across spring and fall seasons, with detailed assessments of environmental factors such as wave action, sedimentation, and temperature. Notably, clams introduced in spring exhibited more rapid growth rates and higher survivorship than those placed in the fall. This seasonal variation was attributed to calmer sea conditions and fewer storms during spring, which facilitated easier maintenance and monitoring of the farming equipment.

The findings have important implications for both the aquaculture industry and environmental stewardship. Avoiding crowded coastal zones reduces conflicts with other marine users and may minimize the ecological footprint often associated with nearshore aquaculture. Additionally, the research demonstrated that clams grown offshore had minimal grit in their meat—a common complaint affecting clam palatability. This suggests that offshore aquaculture could produce superior quality seafood that appeals to high-end markets.

Equally significant is the durability of the cages themselves. The harsh offshore environment with its strong waves and frequent storms demands resilient aquaculture infrastructure. Munroe’s team engineered cages capable of withstanding these conditions without damage, underscoring the viability of sustained offshore clam farming over longer timeframes. This technological advancement addresses one of the critical operational hurdles that have limited expansion of aquaculture into open ocean waters.

This study was conducted in close collaboration with commercial fishing enterprises and supported by funding from the National Oceanic and Atmospheric Administration (NOAA). Working directly with industry partners ensured that the research addressed practical challenges and real-world conditions, accelerating the translation of scientific discoveries into scalable business models. The collaboration highlights the importance of integrating academic research with commercial expertise to innovate within the seafood sector.

Looking ahead, while the results are encouraging, Munroe emphasizes the necessity of overcoming remaining regulatory and logistical barriers. Navigating the complex permitting processes for offshore aquaculture and ensuring long-term equipment durability remain essential priorities. Nevertheless, the research presents a compelling case for expanding ocean farming as a sustainable strategy to bolster local economies, increase seafood supply, and reduce pressure on wild clam populations.

The Rutgers-led project adds a vital piece to the evolving puzzle of sustainable ocean resource utilization. By demonstrating the feasibility and benefits of offshore clam farming, the study opens new avenues for aquaculture innovation that align with environmental conservation goals. It fosters optimism that seafood production can evolve beyond traditional practices and scale in a responsible manner that supports coastal communities and ecosystems alike.

In their efforts, the researchers have set a precedent for integrating ecological understanding with engineering solutions to address key aquaculture challenges. Future work will likely focus on optimizing cage designs, refining seasonal deployment strategies, and expanding to other species with similar ecological niches. The long-term vision is an offshore aquaculture industry that is productive, resilient, and harmonious with marine environments.

According to Munroe, the success of offshore surfclam farming exemplifies a new frontier where science meets industry to produce tangible benefits. “We’re excited to show that this is not only possible but can be done in a way that protects the environment and creates jobs,” she said. This innovation could represent a paradigm shift in how seafood is farmed, with implications extending well beyond New Jersey’s waters.

The research team contributing to this milestone includes Laura Steeves, formerly a postdoctoral researcher at the Rutgers Haskin Shellfish Research Laboratory and now affiliated with the Flødevigen Research Station in Norway, fisheries researcher Sarah Borsetti, and doctoral student Rachel Davitt, all of whom played integral roles in the experimental setup, monitoring, and data analysis.

As global seafood demands intensify amid environmental concerns over wild fisheries, the potential for offshore aquaculture to deliver sustainable, high-quality shellfish is garnering increasing attention. Rutgers University’s breakthrough in Atlantic surfclam culture may well inspire similar initiatives along other coastlines eager to balance economic development with marine conservation.

Subject of Research: Animals
Article Title: Offshore aquaculture of Atlantic surfclams Spisula solidissima: Growth, survival and feasibility
News Publication Date: 12-Feb-2026
Web References: 10.1093/naaqua/vraf038
Image Credits: Sarah Borsetti/Rutgers University
Keywords: Fisheries, Marine biology

Tropical cyclones generate massive ocean waves and surging sea levels that directly impact aquaculture facilities, including fish farms, shellfish cages, and seaweed farms. These destructive forces can lead to catastrophic losses, not only in the form of physical infrastructure damage but also through secondary economic disruptions such as supply chain bottlenecks and regional decreases in seafood production. Fang and colleagues emphasize that current risk assessments often lack the integration of detailed physical vulnerability parameters, focusing solely on hazard exposure or economic impact in isolation. Their study fills this critical gap by providing a comprehensive and quantitative model that considers the physical susceptibility of aquaculture installations relative to storm-induced hydrodynamic forces.

At the heart of their methodology lies a sophisticated coupling of meteorological cyclone data with hydrodynamic simulations that generate wave profiles characteristic of storm scenarios. By drawing on historical cyclone track data and state-of-the-art atmospheric models, the authors simulate extreme wave heights, wave periods, and water levels expected during peak storm events. These outputs feed directly into vulnerability assessment modules that account for structural design, installation depth, mooring systems, and material resilience of aquaculture units. This holistic approach not only quantifies physical risk at a facility level but also scales the findings to regional aquaculture zones, enabling targeted risk management strategies.

One of the significant novel contributions of this work is the construction of a vulnerability index tailored specifically for marine aquaculture. Unlike terrestrial risk indices, this index integrates parameters such as cage breakage thresholds, floating platform buoyancy limits, and the erosion potential due to sediment transport triggered by wave action. The index is then applied to real-world aquaculture farms located in typhoon-prone regions of Southeast Asia, where aquaculture contributes substantially to both local economies and global seafood supply chains. The variation in vulnerability across different aquaculture typologies and geographic settings reveals critical insights into differential risk profiles.

In parallel to the physical modeling, the researchers advance the discussion on the dynamic interactions between wave forces and innovative aquaculture engineering solutions. Their findings underscore the importance of design adaptations, such as flexible mooring lines and resilient net materials, which can intrinsically reduce vulnerability. Moreover, spatial planning emerges as a key preventative measure, where site selection away from historically intense wave zones substantially lowers risk exposure. By quantifying the benefits of these engineering and planning interventions, the study provides a prescriptive guide for policymakers and industry stakeholders aiming to future-proof marine food production systems.

The economic implications derived from the physical vulnerability model further illustrate the potential ripple effects of cyclone events on regional aquaculture economies. Traditional insurance models often underestimate loss probabilities because they fail to incorporate physical breakdown mechanisms at the micro-structural level. Fang et al.’s approach allows insurers to recalibrate risk premiums with higher fidelity, fostering more accurate financial instruments that incentivize risk-reducing practices. This direct linkage between physical vulnerability and economic resilience lays the groundwork for integrated disaster risk financing solutions aimed at coastal and marine enterprises.

Beyond immediate structural damage, the study also contemplates longer-term ecosystem consequences induced by extreme wave events. Marine aquaculture often functions within sensitive coastal habitats such as mangroves and coral reefs, which themselves shield farms from erosive forces. Disruption of these natural barriers through cyclone-driven phenomena can compound aquaculture vulnerability and delay recovery times. The researchers advocate for a multidisciplinary approach that couples ecosystem conservation with infrastructural resilience to establish robust marine production zones capable of withstanding recurrent cyclonic impacts.

Importantly, the study highlights an urgent need for global adaptation frameworks as climate change projections indicate an overall rise in tropical cyclone intensity. The quantitative risk assessment framework developed by Fang and colleagues is designed to be scalable and adaptable to various climatic and geographic contexts, positioning it as a critical tool for international marine governance. It enables comparative risk mapping and prioritization of investments toward high-vulnerability aquaculture nodes worldwide, fostering a coordinated and proactive stance in climate risk management.

The authors also address the formidable challenge of data scarcity and heterogeneity in many coastal regions, especially in developing nations where aquaculture is growing rapidly but institutional monitoring is limited. By leveraging remote sensing data and coupling it with modeled cyclonic scenarios, they demonstrate how technology-driven approaches can fill data gaps, allowing even resource-limited areas to engage in rigorous risk assessment and adaptive planning. This democratization of risk knowledge is key to equitable climate resilience in global food systems.

Additionally, the research includes sensitivity analyses of key physical parameters influencing vulnerability outcomes. Variables such as wave period, peak wave height, and farm structural damping ratios are examined to reveal threshold behaviors where small changes in conditions lead to disproportionately large increases in damage potential. These nonlinear response characteristics emphasize the need for high-resolution temporal and spatial data to inform real-time operational decisions during cyclone seasons, facilitating adaptive management and rapid response capabilities.

The implications of this work transcend marine aquaculture, extending to coastal engineering and hazard mitigation fields. The model framework can be customized to assess risks for other marine infrastructure including offshore wind platforms, oil rigs, and coastal desalination plants, underscoring the interdisciplinary value of their approach. Furthermore, bridging physical vulnerability assessments with socio-economic evaluations opens pathways to holistic disaster risk reduction strategies, reinforcing community resilience in coastal regions.

Fang and colleagues conclude by outlining future research trajectories informed by emerging technologies such as autonomous sensor networks and machine learning algorithms. These innovations hold promise for enhancing prediction accuracy and vulnerability detection, paving the way for smart marine aquaculture systems that dynamically adjust to evolving hazard landscapes. The integration of these technologies will be pivotal in managing cascading risks stemming from extreme cyclonic events in a rapidly changing climate.

In sum, this landmark study offers an unprecedented quantitative lens through which the risks posed by tropical cyclone-induced extreme waves to marine aquaculture can be understood and mitigated. By uniting physical vulnerability assessments with cyclone modeling and practical engineering insights, it charts a path toward resilient, sustainable marine food production amid the growing threats of climate variability. The findings resonate profoundly in a world increasingly reliant on coastal resources, signaling a call to action for scientists, engineers, policymakers, and industry leaders alike to collaborate in safeguarding this vital sector.

The innovative risk assessment framework championed by Fang et al. not only equips stakeholders with actionable intelligence but also illuminates broader challenges of coastal adaptation in the Anthropocene. As tropical cyclones grow fiercer and sea levels rise, the resilience of aquaculture—and, by extension, global food security—will depend on our ability to integrate complex scientific understanding with practical resilience-building measures. This study stands as a compelling example of such integration and a beacon for future research and policy efforts in marine disaster risk reduction.

Subject of Research: Quantitative risk assessment of the physical vulnerability of marine aquaculture to tropical cyclone-induced extreme waves.

Article Title: Quantitative Risk Assessment of Tropical Cyclone-Induced Extreme Waves on Marine Aquaculture Based on Physical Vulnerability.

Article References:
Fang, J., Zhu, S., Bian, W. et al. Quantitative Risk Assessment of Tropical Cyclone-Induced Extreme Waves on Marine Aquaculture Based on Physical Vulnerability. Int J Disaster Risk Sci (2025). https://doi.org/10.1007/s13753-025-00635-4

Image Credits: AI Generated