The ocean is one of the most complex and rich ecosystems on Earth. Covering more than 70% of the planet’s surface, it is home to millions of species and is vital in maintaining climate balance and providing resources for billions of people. Marine biodiversity has enormous ecological and economic value. Coral reefs, mangrove forests, and seagrass beds are natural fortresses protecting coastlines from abrasion and storms. Aquatic species, known and unidentified, provide a wide range of benefits, from food to developing innovative medicines. Yet despite these benefits, the ocean faces threats from overexploitation, pollution, and the impacts of climate change.

In recent decades, the utilization of marine resources has come under tremendous pressure. Unsustainable fisheries have led to drastic declines in fish populations and threaten the balance of aquatic ecosystems. Plastic pollution has infiltrated almost every ocean corner, from the surface to the deepest ocean troughs. Climate change exacerbates these conditions by increasing seawater temperatures and causing mass coral reef bleaching. If no concrete steps are taken, the ocean, which has been a source of life for many people, will become a source of prolonged crisis. Therefore, a new approach is needed in managing marine resources that is not only oriented towards economic growth but also considers the sustainability of the ecosystem.

The concept of a blue economy is one of the answers to this problem. Unlike conventional economic models that often exploit natural resources without considering their impacts, the blue economy emphasizes the sustainable use of the ocean. However, in order for the blue economy to run more optimally, strategies are needed that focus not only on reducing exploitation but also on more efficient and regenerative resource utilization. In this context, the circular economy has become an increasingly relevant concept. With basic principles oriented towards waste reduction and resource reutilization, the circular economy offers an approach to transform how we utilize marine products, from fisheries and aquaculture to marine biotechnology-based industries.

In the circular economy, sustainability means reducing negative impacts on the environment and creating a system that allows resources to be used in a continuous cycle. For example, fisheries waste that was previously considered useless residue can be reprocessed into value-added products such as organic fertilizer, collagen for cosmetics, or pharmaceutical raw materials. Utilized marine resources are no longer treated as disposable but as part of an ongoing cycle. This approach reduces pressure on the environment and creates new economic opportunities for ocean-based industries.

In addition, the circular economy can also be implemented in the aquaculture system. So far, uncontrolled aquaculture practices have caused environmental degradation, ranging from water pollution to the spread of diseases that can disrupt the balance of marine ecosystems. By implementing ecosystem-based aquaculture methods, such as integration between various species in one production system, the negative impacts of aquaculture can be minimized. Waste from one species can be utilized by other species in a more closed and sustainable system. In this way, not only increased productivity but also a healthier and more stable ecosystem can be realized.

However, to truly realize a blue economy based on a circular economy, a redefinition of the concept of sustainability itself is required. So far, sustainability has often been interpreted as an effort to reduce the negative impacts of exploitation on the environment. However, in a broader context, sustainability should mean more than just decreasing exploitation; it should also involve rebuilding ecosystems that have been damaged. This means that sustainability is not only about how we can avoid further damage but also how we can restore marine ecosystems that have been degraded.

One of the concrete steps that can be taken in this redefinition of sustainability is through the rehabilitation of marine ecosystems. Restoring damaged coral reefs, reforesting mangrove forests, and protecting the habitats of endangered aquatic species are some examples of how humans can play an active role in maintaining marine ecosystems. These restorations not only have a positive impact on the environment but also have significant economic value. With healthier ecosystems, the fisheries sector can obtain more stable yields, the tourism industry can develop better, and coastal communities can enjoy more sustainable economic benefits.

In a broader context, the success of a blue economy based on a circular economy also depends on the role of various parties. The government needs to establish regulations supporting sustainable management of marine resources, including waste management, responsible fisheries, and aquatic habitat protection. The industrial sector needs to adopt a business model that is both profit-oriented and environmentally regenerative. Academics and scientists must continue developing innovations that support the more efficient and sustainable utilization of marine resources. Meanwhile, the public, especially coastal communities, must be educated and provided with economic opportunities based on responsible ocean utilization.

Ultimately, the concept of a blue economy based on marine biodiversity and a circular economy is an approach that can bridge economic and ecological interests. By applying the principles of circular economy, the utilization of marine resources can be done in a wiser, more efficient, and more environmentally friendly way. If the blue economy is to be a real solution for the future, then our thinking on sustainability must evolve from simply avoiding damage to actively trying to repair and restore degraded marine ecosystems.

TITLE:

International Conference on Biodiversity

THEME:

Marine Biodiversity and Circular Economy: Redefining Sustainability in the Blue Economy

SUB-THEMES:

1. Genetic diversity
2. Diversity of species
3. Diversity of ecosystems
4. Ethnobiology
5. Life Science and Technology

TIME AND PLACE:

Online Via Zoom
Date: June 14, 2025
Time: 08.00-12.00 a.m. (In Jakarta, Indonesia)

Note: All manuscripts relating to the sub-themes can be submitted.