A: List the major ideas, concepts or key points- point by point
B: Summarize the AUTHOR’s main point or idea- at LEAST 1-2 paragraphs
Decommissioning dams is becoming a regular occurrence as structures age, provide an inconsequential share of a region's power, become unsafe or too costly to repair, or as communities decide they want their rivers wild and full of fish again. Removing a dam does not automatically mean a long-altered ecosystem will flourish once more. Reality often proves far more complex and intricate than people anticipate. People are trying to minimize negative results of removing dams. Dams blocked invasive species from moving upriver and into zones above the dam. Dam removal can pose dangers for people living nearby in places where flood control is crucial. Sediments stuck behind dams are proving crucial variables when dams are taken down. Biggest issue is how to contend with what can be a massive accumulation of dirt and debris.
C: Write a reaction paragraph to the article stating your own thoughts on the topic, using specific citations from the article to support your views
After reading this article I've learned that there are both good and bad things about dams. Dams control flooding and provide a reliable supply of water for irrigation, drinking and recreation. Dams displace people and have been controversial in developing the world. Although there bad also because structures ruin vistas, trap sediments, stymie migratory fish and destroy ecosystems in and around the waterways. Also release of sediments trapped behind a dam's walls can choke waterways, muddying the environment and wiping out insects and algae which are important food for fish.
So what?:
Says who?:
What if?... we didn't have dams:
What does this remind me of?: Junk food. Your cravings satisfied at first may seem amazing, but in the long run bad things can happen to your body.
- About 80 dams have fallen. Researchers following the trend expect that dams will continue to come down, especially small ones
- Canada and Japan have also removed, or are planning to remove, dams.
- Often a big issue facing managers is what to do with accumulations of dirt and debris.
- In 2002 the State Water Corporation ensured that a one-meter-high foot- print of the structure remained.
- Many dams are being torn down these days, allowing rivers and the ecosystems they support to rebound.
- Structures ruin vistas, trap sediments, stymie migratory fish and destroy ecosystems in and around the waterways
- Conservationists have a long history of opposing dams
- Downsides of dams have become more widely recognized
- Rate of dam removal has exceeded the rate of construction for the past decade or so.
- In previous two years alone, 80 dams have fallen and researchers following the trend expect that dams will continue to come down.
- Successes have driven much of the activity of destroying dams
- Water clarity and oxygen levels increase as flows come back and aquatic insects thrive again.
- As water moves more freely, temperature falls and cold-loving fish return.
- People, in addition to flora and fauna return to enjoy the rivers.
- Biologists have observed these benefits from Wisconsin to South Wales in Australia.
- Today about 800,000 dams operate worldwide,
- 45,000 of are greater than 15 meters tall.
- Most were built in the past century, primarily after World War II
- Hydroelectric power makes up 20 percent of the globe’s electric supply, and the energy is largely clean and renewable, especially when contrasted with other sources.
- U.S Government agencies are studying how to provide the benefits of the structures without their injourious efforts.
- Societies will continue to balance the pros and cons of dams, weighing utility and benefits against destructive costs. Scientists must continue to learn about how to remove dams so natural ecosystems and human communities can thrive.
- 800,000 dams worldwide, 45,000 are large
- Benefits- hydroelectric power makes up of 20% of all electric supply and energy is clean and renewable.
- Dams control flooding and provide a reliable supply of water for irrigation, drinking and recreation.
- Dams displace people and have been controversial in developing the world.
B: Summarize the AUTHOR’s main point or idea- at LEAST 1-2 paragraphs
Decommissioning dams is becoming a regular occurrence as structures age, provide an inconsequential share of a region's power, become unsafe or too costly to repair, or as communities decide they want their rivers wild and full of fish again. Removing a dam does not automatically mean a long-altered ecosystem will flourish once more. Reality often proves far more complex and intricate than people anticipate. People are trying to minimize negative results of removing dams. Dams blocked invasive species from moving upriver and into zones above the dam. Dam removal can pose dangers for people living nearby in places where flood control is crucial. Sediments stuck behind dams are proving crucial variables when dams are taken down. Biggest issue is how to contend with what can be a massive accumulation of dirt and debris.
C: Write a reaction paragraph to the article stating your own thoughts on the topic, using specific citations from the article to support your views
After reading this article I've learned that there are both good and bad things about dams. Dams control flooding and provide a reliable supply of water for irrigation, drinking and recreation. Dams displace people and have been controversial in developing the world. Although there bad also because structures ruin vistas, trap sediments, stymie migratory fish and destroy ecosystems in and around the waterways. Also release of sediments trapped behind a dam's walls can choke waterways, muddying the environment and wiping out insects and algae which are important food for fish.
So what?:
- There are good/bad things about dams
Says who?:
- Jane C. Marks
What if?... we didn't have dams:
- We couldn't control flooding
- we wouldn't have a reliable supply of water
What does this remind me of?: Junk food. Your cravings satisfied at first may seem amazing, but in the long run bad things can happen to your body.