social geography
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World’s Largest Dam Removal Unleashes U.S. River After Century of Electric Production

World’s Largest Dam Removal Unleashes U.S. River After Century of Electric Production | social geography | Scoop.it
The last section of dam is being blasted from the Elwha River on Washington's Olympic Peninsula on Tuesday.

 

For almost half a century, the two dams were widely applauded for powering the growth of the peninsula and its primary industry. But the dams blocked salmon migration up the Elwha, devastating its fish and shellfish—and the livelihood of the Lower Elwha Klallam tribe. As the tribe slowly gained political power—it won federal recognition in 1968—it and other tribes began to protest the loss of the fishing rights promised to them by federal treaty in the mid-1800s. In 1979, the U.S. Supreme Court ruled that Washington tribes, including the Elwha Klallam, were entitled to half the salmon catch in the state.


Via Seth Dixon
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Seth Dixon's curator insight, September 9, 2014 1:16 PM

See also this video to see the rapid changes on the nearby White Salmon River when they removed the dam. 


Tags: biogeography, environment, land use, sustainability, environment adapt.

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Visualizing Regional Population Statistics

It was just over two centuries ago that the global population was 1 billion — in 1804. But better medicine and improved agriculture resulted in higher life expectancy for children, dramatically increasing the world population, especially in the West.

 

This is an excellent video for population and demographic units, but also for showing regional and spatial patterns within the global dataset (since terms like 'overpopulation' and 'carrying capacity' inherently have different meanings in distinct place and when analyzed at various scales). It is also a fantastic way to visualize population data and explain the ideas that are foundational for the Demographic Transition Model.

 

Tags: population, scale, visualization, Demographics, models, unit 2 population, sustainability, regions, spatial.


Via Seth Dixon
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Sarah Ann Glesenkamp's curator insight, September 17, 2014 7:55 PM

Unit 2

Mohamed Mohamed's curator insight, October 13, 2014 4:03 PM

This video describes and explains how we got to a population of 7 billion people so fast

Mohamed Mohamed's curator insight, October 13, 2014 4:04 PM

It also uses water to demonstrate it.