Fish ladder

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  • How Is Damming The Low Mekong And Its Effect On Fish Migration

    Mekong and its Effect on Fish Migration in Thailand Dams have many purposes, such as storing water in order to combat fluctuations in river flow or demand for water, raising the water level so that the water can be directed to flow into a canal to generate electricity, control flooding, and provide water for agriculture, households and industries (Silvia, 1991). With an increase in demand for cleaner sources of energy, many countries have turned to damming as a solution. The Southeast Asian countries that the Mekong river flows through have recently become increasingly interested in damming the Mekong river.…

    Words: 1093 - Pages: 5
  • The Pros And Cons Of Dams

    vegetation dying, fish migration, and the buildup of toxins. These problems cause unnecessary harm the surrounding ecosystem and sometimes unrepairable damage to the earth, which appeal to the moral principles of not causing more harm than necessary and leaving the earth in an as good as or better condition. To repair the damage caused by dams, the US government should repair or remove dams that have under 75% efficiency because the modern dams on average can…

    Words: 1974 - Pages: 8
  • Pros And Cons Of Damnation

    negative impact on water consumption and the fish species. Knight and Rummel attempt to explain the pros and cons of dams. The movie also features the tale of salmons, which are unable to return to their original spawning grounds due to dams. These create issues for fish companies, the hatcheries that go at a loss due to reduction of number of fishes. The documentary advocates for change in the United States of America…

    Words: 1276 - Pages: 6
  • Argumentative Essay On Salmon

    from 200 year intervals to 400 year intervals. Recently however in places around the world outside the sanctity of Alaska measures have been put in place to preserve salmon production. Over-fishing and improper fishing techniques have driven the population of salmon down to historically low levels. This is why limits, and strict regulations have been put on the harvesting and process of the harvest of all salmon breeds. In some areas the population has dropped to a level that has caused local…

    Words: 1049 - Pages: 5
  • Fish Fishing Effects

    As catches have gradually become smaller, so the mesh sizes used in fishing nets have decreased, allowing smaller and smaller fish to be caught. Many of these are too small to be used as food, so they are crushed to be made into either animal food or fertiliser. Fishing using nets is indiscriminate. Any fish which get in the way of the net will be caught in it if they are too big to get through the mesh. For every one tonne of prawns caught, three tonnes of other fish are killed and thrown…

    Words: 1308 - Pages: 6
  • Tiger Grouper Case Study

    The Blessing Of The Grouper: A Predator Fish Farming Business I want to share a little knowledge about a predator fish called the tiger grouper (*also known as epinephelus fuscoguttatus*). Interesting Facts About The Tiger Grouper: * The tiger grouper is a fish that lives in the ocean in groups of it’s own kind. * The grouper is a predatory fish that preys on various types of small fish, animal plankton, squid, and other small animals. * *Cekidot* is the tiger grouper’s Indonesian name. In…

    Words: 1555 - Pages: 7
  • Aquaculture Industry Essay

    Canada, Mexico, and the United States economies. The ocean and fishing industry are major contributors in the promotion of local commercial cultivation and food supply. With growth on a local level for aquaculture, the ripple of economic prosperity is felt across the continent. Unfortunately, there has been a gradual decline in production from this sector of the economy and this regression in production has swept across the entire continent. For example, a study conducted in 2008 by the…

    Words: 1452 - Pages: 6
  • Essay On Saltwater Fishing

    saltwater fishing along with the similarities. Although, these too types of fishing are very similar because in the end your goal is to catch the fish but the huge difference between the two are the types of fish you will catch in the ocean compared to fresh water. Also, the different types of lures, line, rods, and gear hope you enjoy. The majority of anglers start in freshwater because fishing in salt water is much more expensive. When you’re first starting out all you truly need is a…

    Words: 827 - Pages: 4
  • Daniel The Giant Danio: Short Story

    Daniel the Giant Danio Introduction Daniel. What kind of name is that for a fish? A Great one. Oh well. I guess that's the story we're going with. I guess. Anyway, Daniel is a Great big fat Danio which is basically a type of fish that's pretty huge. 5 inches. Big Whoop. Eh, I kinda agree that's not so BIG. Ya know what? I'm done for the Intro. I'll let Kirby take over the next gosh darn part.Who says I'm writing the next part? Fine then. I'll do it. Daniel was in his tank at the pet…

    Words: 981 - Pages: 4
  • Marine Ocean Trade Negative Effect

    saltwater fish to households and aquariums all over the world. Although it is relatively simple to buy a few fish at the pet store, most people are not questioning where their new pets originate from and what kind of process their fish, if they are not bred in the United States, must endure before they are bought by the local pet store or a wholesale shop. This ignorance has allowed the marine aquarium trade to monopolize the fish trade, whether they are freshwater or saltwater fish, with…

    Words: 1022 - Pages: 4
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