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Posts Tagged ‘groundwater’

BY LISA OWENS VIANI

Beavers become partners in restoration.

FROM THE JANUARY 2019 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

 

As public support for trapping has waned, beavers are making a comeback in urban waterways around the country. In Seattle, they are now said to be found in every suitable stream and water body, and some project designers now see them as partners in wetland restoration rather than nuisances. They say the benefits beavers bring to an ecosystem outweigh the challenges, and point out that working with them is far less expensive—and more humane—than trapping.

“Beavers construct wetlands that hold back and store water, allowing for groundwater recharge and pollution sequestration, and increasing biodiversity,” says Ben Dittbrenner, the aquatic ecologist and executive director of Beavers Northwest. “We do the same thing for hundreds of thousands of dollars, but they do it for free.” This past October, (more…)

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BY ZACH MORTICE

Aerial photo of damaged homes along the New Jersey shore after Hurricane Sandy. Photo credit: Greg Thompson/USFWS, Wikimedia Commons.

The Union of Concerned Scientists’ recent report on the economic damage and displacement that sea-level rise flooding will unleash called for investments “in a range of coastal adaptive measures,” such as “the protection of wetlands, and barrier islands, and other natural flood risk reduction methods” and other “natural infrastructure.” That puts the onus of surviving sea-level rise very clearly on landscape architects.

The report, Underwater: Rising Seas, Chronic Floods, and the Implications for US Coastal Real Estate, which the Union of Concerned Scientists (UCS) compiled with help from the real estate website Zillow, shows the consequences of sea-level rise in the short and long term, down to the state, city, and zip code levels of granularity. Released in June, it estimates lost houses, lost home value, lost tax base, and lost population by the years 2035 and 2100. (more…)

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