Skip to main content

Will we ever run out of FISH ?


 By: Victorhugo Campos

Image for post        

"Figure1. Examples of Aquaculture regulation (Hallie Templeton, 2020)               

 There is a certain feeling of security when it comes to the fish that we eat. Its comforting knowing they always sell fish at Walmart or H-E-B. But will there ever be a lack of fish, or even how we are currently affect the populations of fish and marine life by eating them? Due to the high demand of fish and the constant need for more, various species have already been impacted in a negative way. So what can be done to stop this? Well there is a big demand for fish farms or hatcheries. These farms essentially keep fish in protected enclosures until they reach a desired number and are healthy enough to be released into the wild. Lots of big companies feed the idea of  how the aquacultures have so much potential to deliver a constant stream of food security. But in reality its something we can't 100% be sure of for our future generations. Lots of efforts and money have been put into farming fresh water fish, and branching into farming in the ocean for different species. This can let us believe that we can't ensure there will always be fish on the market for every consumer. So much money is being put into maintaining these fish populations or facilitating the capture of certain fish that prices of those fish are going to rise, and not to mention the addition charges for transportation. These prices will rocket and will be inaccessible to lower income consumers. Although the idea of creating aquacultures will help repopulate fish species it can't be relied on for environmental sustainability. Also the overuse of the aquacultures will create a pressure on marine resources that other species need to survive. But if aquacultures stayed small scale like most freshwater fisheries they could potentially have a great impact on the fish species as well as  acting as a conservatory for the certain species being farmed.

B., Belton Little, D.C., Zhang, W. et al. 2020. Farming fish in the sea will not nourish the world. Nat Commun 11, 5804 


Comments

  1. Do you think there can be other reasons besides overfishing can cause the increase of price in fishes? Like for example, ocean pollution, invasive species, or even environmental changes.

    ReplyDelete
  2. Would it only affect a certain species of fish? because not all fish species are consumed by humans. As you mentioned, if this happens, it would not only affect us but also the other species that need the fish to survive. It would break the food web tremendously.

    ReplyDelete

Post a Comment

Popular posts from this blog

How are health-care and trees related?

By: Ritzuko Gutierrez  Unfortunately, there are flaws in our system. One of these flaws is the lack of access to high-quality, affordable health care in rural areas. People who suffer from this issue, may be incentivized to rely on illegal activities. For example, illegal logging in order to get cash to pay health care needs. Tropical forests are mainly affected. The loss is greater than gain and it leads to a change in landscapes, livelihoods, biodiversity, and climate change. Providing high-quality health care to rural communities with limited resources and income options living nearly a tropical rainforest benefits both conservation and human health. Globally, 35% of protected areas are managed by local communities and when designing a conservation program, they are rarely considered in it. Although, this idea has benefits for humans and the environment, it also has its negative consequences. When applying, incentive-based conservation approaches, it can either go well or bad. B...

Oil Spills: 3D graphene

 By: Mary Aguilar          Oil spills has become a very big problem and causing a big problem for marine life.  This study discuss the importance of how oil spills have been a problem, and a solution on how to prevent oil spills from occurring. The article talks about how 3D graphene materials can remove dyes from the water. The 3D graphene can absorb both oils and organic solvents with also many other dyes have been studied in this research. The study concludes that there is possible use for 3D graphene but like many studies there is always disadvantages because it can clean oil spills under water but it is unable to absorb nanomaterials. Therefore the 3D graphene needs improvement in order to be able to solve the problem of oil spills, because if this is able to work then marine life can be saved.  Figure 1: Different ways graphene can be synthesized.  Riaz, M.A., McKay, G., & Saleem, J. (2017). 3D graphene-based nanostructure...

Is Hydroelectric Power actually a "Green" Energy Source?

Is Hydroelectric Power actually a "Green" Energy Source? Source: Tennessee Valley Authority (public domain) Greenhouse gases are gases that trap heat in the atmosphere, and the three major greenhouse gases are carbon dioxide, methane, and nitrous oxide. Natural sources of these gases consists of lakes, rivers, streams, and ponds as well. Lakes are environmentally beneficial because they are active, changing, and are important regulators of the three major greenhouse gases. That being said, lakes and reservoirs are known to be built for the purpose of generating power. So much so that water has been retained by dams that the global sea level rise has lowered approximately 0.02 inches per year in the span of 50 years. And since fossil fuels are not utilized to to produce hydroelectric power, lakes are known for their "green" energy sources alternative. Which is a common misconception because it is those lake and reservoirs that release powerful greenhouse gases into t...