Posts Tagged ‘pesticide’

REVIEWED BY SARAH COWLES

FROM THE MARCH 2019 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

Street trees occupy a shifting and contested dimension of cities. Whereas trees in parks and private gardens in cities are afforded a measure of stability and protection, street trees are literally on the front lines of urbanism, absorbing the impacts of changes in policy on errant cars. Street trees are surrounded: hemmed in by architecture, tree grates, cages, with leaking gas conduits at their roots and power lines teasing their crowns, soaked by deicing salt on one side and dog urine on the other.

Although there are field guides to street trees and technical manuals for planting and soil specifications, there is no comprehensive look at the culture and politics of the urban forest. Seeing Trees by Sonja Dümpelmann fills this void and unearths a detailed and complex vein of urban history that (more…)

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BY LISA OWENS VIANI

A retired cranberry bog inspires an innovative approach to wetland restoration.

FROM THE JANUARY 2018 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

In 2005, Glorianna Davenport began to think about retiring the cranberry farm she owned in Plymouth, Massachusetts. In the late 1980s, the 600-acre farm was producing 1 percent of Ocean Spray’s cranberry harvest, but Davenport had become concerned about the amount of pesticides being used—and the way those pesticides were applied. “Because cranberries are grown on former wetlands, we had to farm with helicopters,” Davenport says. “And spraying chemicals from helicopters is not really great in a densely populated area.” Davenport, a visiting scientist at the MIT Media Laboratory, whose husband bought the cranberry farm in the early 1980s, could also see the handwriting on the wall for older cranberry farms, with new cultivars producing five times as many berries, farmed in places easier to access than wetlands and river bottoms. “The industry was changing pretty radically,” Davenport says. “The way we had been farming was really the legacy of another era.”

Davenport learned that a nearby cranberry farm had been restored back to wetlands—said to be the first project of its kind in the United States—and that she was eligible for assistance through the U.S. Department of Agriculture Natural Resources Conservation Service’s Wetlands Reserve Program, which pays farmers to take land out of production to preserve, restore, and enhance wetlands on their properties. The program was established by the 1990 Farm Bill. In 2008, Davenport decided to retire from MIT to undertake the restoration of Tidmarsh Farms. With federal and state funding in hand, she began working with the state’s Department of Fish and Game to pull together an interdisciplinary team of state and federal scientists and river, wetland, and other experts to help restore the bog at Tidmarsh Farms, an effort that took several years.

Ten thousand years ago, glaciers moved down across the northeastern United States, then retreated. As they did, big chunks of ice were left, forming (more…)

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