There is no choice but to make fishing sustainable; it is a need. Oceans and marine ecosystems around the world are under greater stress than ever before, caused by overfishing, illegal fishing, destruction of habitat, pollution, and climate change. Fish and seafood are a vital food source and livelihood for billions of people, but many fish stocks are being overfished. The world is at risk of not only ecological degradation but also serious economic and food security problems if things continue as they are. Sustainable fishing is thus one of the most crucial measures at their disposal to preserve the health of marine resources and the people that rely on them.
The principle of sustainable fishing is simple: fish must be taken into consideration to ensure levels are sustainable over time. However, in reality, it is necessary to have effective management, scientific monitoring, international cooperation and responsible consumer behaviour for achieving sustainability. About one-third of global fish stocks are being fished at levels that are biologically unsustainable; many are fished at their maximum sustainable levels, according to the Food and Agriculture Organisation (FAO). This is happening as a result of decades of overfishing related to increasing demand, development of technological fishing equipment and poor governance in many maritime areas.
About one-third of global fish stocks are being fished at levels that are biologically unsustainable.
Overfishing comes with repercussions, beyond the drop in fish stocks. Marine ecosystems are interconnected systems with each species having a particular niche. When one species is removed, it can upset the food chain, change predator-prey ratios, and decrease biodiversity. The failure of large fisheries has shown how difficult and expensive it is to rehabilitate marine ecosystems, once they are severely damaged. So sustainable fishing is not just about the fish; it’s about the whole of the ocean ecosystem.
Sustainable fishing is also promoted by economic factors. The fishing industry provides employment opportunities to millions of people around the world, especially in coastal and developing countries where other livelihood options might be constrained. When the fish populations dwindle, fishing communities tend to have lower incomes, higher unemployment rates, and higher poverty rates. Sustainable management, on the other hand, can offer productive yields in the long run, sustaining the use of marine resources for future generations. The World Bank has consistently pointed out the potential for much higher economic returns from sustainable fisheries. In this context, sustainability isn’t a hurdle to economic development; it’s a requirement for long-term economic success.
Illegal, unreported, and unregulated (IUU) fishing continues to be one of the biggest challenges to achieving sustainability. Significant amounts of fish are still being fished annually in excess of the fishery’s conservation limits, and in favour of those who are not complying with the law. IUU fishing is a major problem in developing countries where there is limited maritime law enforcement. Solving this challenge needs more robust monitoring systems, more robust vessel tracking technology, improved port control and more international cooperation. Illegal fishing doesn’t exist within national jurisdiction and is often transnational, so there is little point in any one country trying to take on the task alone.
Fisheries management is becoming more complex due to climate change. Marine habitats are being changed, and fish migration pathways are shifting with increased sea level, current shifts, ocean acidification and decreased oxygen levels. New challenges for governments and fishing industries as species, which were once successful in some areas, are moving to cooler waters.
Consumers are also critical to sustainable fishing. Buying certified seafood products promotes responsible fishing and provides market rewards for sustainability. Certifiers like the Marine Stewardship Council (MSC) have created certification schemes to assist consumers in understanding which seafood comes from a fishery that is managed sustainably. The use of certification schemes has helped increase awareness of sustainability and drive improvements throughout the seafood supply chain, even though there are criticisms against certification schemes.
Technology innovations provide further opportunities to promote sustainable fisheries. Authorities have the ability to track fishing activity more effectively through satellite monitoring, electronic catch documentation, improved data collection methods and the use of artificial intelligence. Transparency and reduction of illegal fishing can be improved by these technologies, and evidence-based decision-making can be accomplished. Meanwhile, responsible innovations in aquaculture can help to complement wild fish production and put pressure on natural fish stocks. But aquaculture must also meet environmental requirements to prevent the introduction of new environmental issues.
In a nutshell, sustainable fishing is all about responsibility: to people and to the planet. Human society has depended on the world’s oceans for centuries, but not forever! The combined efforts and cooperation of effective management, scientific guidance, technological innovations, consumer awareness, and international collaboration are critical to ensure the sustainability of marine resources for future generations. Sustainable fishing should not be seen as an environmental frivolity of rich countries. Instead, it is an essential part of food security, economic security and ecological resilience worldwide. Preserving fish stocks now is an investment in the future health of the oceans and billions of individuals depending on them. The challenge is great, but the advantages of sustainable fishing outweigh the disadvantages of doing nothing.
The writer is a Research Associate (Maritime Centre of Excellence, Pakistan Navy War College) and can be contacted at ali111.laraib1 @gmail.com