Environment

SLO plans 3 restoration projects at Johnson Ranch Open Space. Here’s what’s happening

Hikers stroll amongst the green hills of the Johnson Ranch Open Space in San Luis Obispo in 2018.
Hikers stroll amongst the green hills of the Johnson Ranch Open Space in San Luis Obispo in 2018. jjohnston@thetribunenews.com

The City of San Luis Obispo plans three restoration projects at Johnson Ranch Open Space south of town along Highway 101.

The popular rolling hill hiking and biking area would see an Improvement in water retention and water quality, according to an environmental document.

Together, these three restoration activities are expected to improve riparian and grassland habitat, enhance resilience to future floods and fires, and sequester additional carbon.

The first project would use restoration techniques including simulated beaver dams to rehydrate and stabilize in-stream habitat damaged by recent storms. Thirty small in-stream installations of natural materials, known as beaver-dam analog structures, will provide erosion control and bank stabilization benefits to Dry Creek.

The structures would be installed using hand crews and using materials harvested on site.

Planting would add 300 native trees

The second task is planting 300 native trees and shrubs to stabilize the new in-stream structures and shade the corridor.

The third task is restoring approximately one acre of native grasslands in the floodplains adjacent to the riparian corridor through traditional indigenous practices led by the yak titʸu titʸu yak tiłhini Northern Chumash Tribe, including hand-tended harvesting and seed sowing.

The three restoration practices will impact a total 225 linear feet of in-stream habitat, and the total project area is 2.29 acres.

Johnson Ranch Open Space preserves 242 acres of historic ranchland just south of San Luis Obispo. The 3.7-mile Johnson Ranch Loop trail explores the municipal open space, which is dominated by rolling grassy hills accented by serpentine rocks.

John Lindt is the editor of the news website Sierra2theSea.net.

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