Overall Rating Silver
Overall Score 61.30
Liaison Scott Morgan
Submission Date Aug. 30, 2019
Executive Letter Download

STARS v2.1

Evergreen State College, The
IN-24: Innovation A

Status Score Responsible Party
Complete 1.00 / 1.00 Sam Alfieri
Sustainability Analyst
Office of Sustainability
"---" indicates that no data was submitted for this field

Name or title of the innovative policy, practice, program, or outcome:
Sustainability in Prisons Project

A brief description of the innovative policy, practice, program, or outcome that outlines how credit criteria are met and any positive measurable outcomes associated with the innovation:

Emergent Pre-Vegetated Mats (EVM) Program

SPP has embarked on an ambitious pilot program to cultivate pre-vegetated mats of wetland plant species for habitat restoration benefiting the Oregon spotted frog (subject of a past rearing program) and salmon species. Thanks to significant support and ingenuity of staff and technicians, the surplus tilapia facility at Stafford Creek Corrections Center (SCCC) was converted to an aquaponics system. Two large fish tanks contain more than 100 koi, and their waste is a nitrogen source for plant growth; we add compost tea to provide other essential nutrients. The plants in this system are species of native sedges and rushes, classified as emergent vegetation. In the winter months, emergent plants are under water; in the spring and summer, as the water recedes, the plants grow rapidly and emerge from the water’s surface.

In the nursery, we grow emergents in coir (coconut fiber) mats and do not need soil. Water circulates back and forth between the plant beds and fish tanks via elaborate, color-coded plumbing.

The Emergent pre-Vegetated Mat (EVM) program is part of a collaborative experiment funded by the US Department of Fish and Wildlife. Partners install mature EVM on plots following various weed control treatments. The plots will be monitored for plant establishment and weed suppression success over a three-year period. The technical accomplishments of the program thus far bode well for positive results from this experiment in ecological restoration.

The EVM team includes incarcerated technicians, Stafford Creek Corrections Center maintenance staff, Evergreen’s program coordinators and managers, Joint Base Lewis McChord, the Center for Natural Lands Management, Washington Department of Fish and Wildlife and the United States Fish and Wildlife. All have done an amazing job meeting the challenges of the innovative program’s technical demands. We installed the first mats at Joint Base Lewis McChord in early November, 2016, and plan to have more mats ready in just a couple of months. The annual target production is 230 15m2 mats from 390m2 of growing area, achieved through successional sowings year-round.

http://sustainabilityinprisons.org/what-we-do/science/emergent-pre-vegetated-mats-evm-program/


Which of the following impact areas does the innovation most closely relate to? (select up to three):
Research
Public Engagement
Conservation

A letter of affirmation from an individual with relevant expertise or a press release or publication featuring the innovation :
The website URL where information about the innovation is available :
Additional documentation to support the submission:
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