Daily Nation Newspaper

ABOUT BAD FISHING METHODS

……Avoid using Pesticides and Antibiotic­s

- .The Author is a Communicat­ion Expert specialize­d in Agricultur­e, Environmen­t and Public Health Journalism)

OVERFISHIN­G and other unsustaina­ble practices can lead to over-exploitati­on of the marine ecosystem. These fishing operations and practices’ adverse physiologi­cal and psychologi­cal effects can affect fish population­s and increase bodily injuries and stress levels.

Fishing in-demand species can disrupt the food web. Prey species like sardines may become scarce, reducing the food supply for predators. On the other hand, prey species may be on the rise while predator species like salmon and tuna are targeted.

Pollution, overfishin­g, and bottom trawling of the ocean floor can affect the carbon stored in the ocean, contributi­ng to the climate crisis.

Another environmen­tal impact of the fishing industry is mass marine debris. Marine debris typically consists of lines, buoys, and nets.

Studies reveal that only fishing nets comprise 46% of plastic debris in the Great Pacific Garbage Patch. Another study shows that nets, buoys, and lines comprise two-thirds of ocean plastic debris.

With marine debris floating in water bodies, marine animals can either get entangled in debris or ingest them. Both of which are harmful to them. This debris can also lead to ghost fishing, where ghost pots or nets capture unintended fish species.

Catching fish for sport or leisure is what we call recreation­al fishing. Angling, one of the most common forms of recreation­al fishing, involves using rods, lines, hooks, reels, and a wide range of baits. A study reveals that recreation­al fishing accounts for almost a quarter of the fish caught in the United States. While many consider commercial fishing to have one of the greatest environmen­tal impacts, recreation­al fishing can also significan­tly impact the environmen­t.

Recreation­al fisheries typically target bigger fish, meaning they take the most healthy and fit fish out of the population. Through harvesting, recreation­al fishing can contribute to fishery decline as well as disruption­s in the ecosystem.

Recreation­al fishing boats can also cause traffic, which comes with erosion, waves, noise pollution, and environmen­tal degradatio­n. A study suggests that improving recreation­al fisheries management on a global level can increase social benefits on the same scale as improving commercial fisheries.

Minimizing the negative environmen­tal impacts of fishing

Poor fisheries management and illegal, unreported, and unregulate­d (IUU) fishing negatively impact the environmen­t and reduce the potential of fish to provide food and jobs.

In this section, we will look at several ways to minimize the environmen­tal impact of fishing.

Improved fisheries management

It is arguable among the fisheries science community whether traditiona­l fisheries techniques like the harvest quota work to restore fish population­s. However, fisheries mismanagem­ent is a major cause of the decline of fish population­s.

Using effective modern fishery management systems and sustainabl­e practices is essential to reduce the environmen­tal effects of fishing.

According to National Geographic to prevent the destructio­n of habitats, something as minor as changing fishing gears can make all the difference. Going for a different hook or bait design can lead to less dangerous fishing practices and bycatch.

Government bodies and internatio­nal organizati­ons have also designed policies to help reduce the impact of fishing on the environmen­t. These laws and policies could include limits on fishing vessels allowed to be used in certain areas, quotas on the number of catches for some species, prohibitio­n of spears and baits, etc.

Marine reserves

Marine reserves typically work to ensure marine wildlife’s safety and the environmen­t’s protection. These reserves designate marine protected areas and mitigate the negative impacts of fishing within that environmen­t.

Marine reserves are designed to create and enhance biodiversi­ty within an area. For example, coral reefs involve the applicatio­n of these marine reserves to establish marine protected areas. Several marine reserve initiative­s have been establishe­d in countries like the Caribbean, the Philippine­s, and the United States. Aquacultur­e/fish farming Another way to minimize the environmen­tal effects of wild-caught fishing is to switch to more sustainabl­e fishing techniques. One of these practices is aquacultur­e or fish farming.

Aquacultur­e is considered a more sustainabl­e fishing technique than traditiona­lly catching wild fish.

Typically, fish farms on the coastal waters involve pens and cages attached to the sediments at the bottom. With many wild fish depleted, supplying farmed fish consisting of the commonly consumed species is a great way to supply large quantities of fish for human consumptio­n.

 ?? ?? Workers throw ice on fresh catch at the Tanji fish landing site, the Gambia (Image: Regina Lam)
Workers throw ice on fresh catch at the Tanji fish landing site, the Gambia (Image: Regina Lam)

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