Hathaway 2 costly as well as require human involvement which can do more harm than good. An approach that is currently in effect in many places is the installation of "fish elevators". Fish elevators are a more natural way for the fish to make the crossing past the dam. The elevator has different sections that are increasing in height. The salmon use their natural ability to jump to progress higher and higher until they have reached the other side of the dam. However these contraptions are not for every dam. Only smaller dams can benefit from this process. Larger dams such as the Grand Coulee Dam cannot make use of fish elevators. Fish elevators are definitely not a full proof answer to restoring fish populations. Less than 3% of fish make it past
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Even with the elevators 10,000 fish die every day (Nicole 1). Dams don't just effect salmon and trout they also affect the hundreds of other anadromous fish species including, freshwater dolphins, Pallid Sturgeon, etc. It's a tragedy that these fish defy the odds and swim nearly one thousand miles, a journey they've made for millennia, just to be halted by human "progression" to feed our electronically
Even with the elevators 10,000 fish die every day (Nicole 1). Dams don't just effect salmon and trout they also affect the hundreds of other anadromous fish species including, freshwater dolphins, Pallid Sturgeon, etc. It's a tragedy that these fish defy the odds and swim nearly one thousand miles, a journey they've made for millennia, just to be halted by human "progression" to feed our electronically