|Submission Date||March 13, 2015|
|1.50 / 2.00||
Office of the University Architect
|Total campus area||500 Acres|
|Footprint of the institution's buildings||65 Acres|
|Area of undeveloped land, excluding any protected areas||0 Acres|
|Managed in accordance with an Integrated Pest Management (IPM) Plan||0 Acres|
|Managed in accordance with a sustainable landscape management program that includes an IPM plan and otherwise meets the criteria outlined||435 Acres|
|Managed organically, third party certified and/or protected||0 Acres|
We have two zones of inspections: the main campus is inspected in-house and the east and west sides by Bartlett Trees Experts. Our objective is to use cultural practices, good plants selection and soil remediation to have healthier plant material and therefore plants that can tolerate pests. Aspects of the plan include using the least toxic chemical pesticides; minimum use of chemicals; and the use of chemicals only in targeted locations and only for targeted species.
The Princeton Campus Plan embraces the opportunity to integrate the campus more fully into the local natural landscape through restoration efforts and natural plantings. Robust natural landscapes provide pervious surfaces, thereby improving groundwater recharge, preventing soil and stream bank erosion, and protecting nearby surface waters.
The Campus Plan includes a series of design improvements, such as strategic woodland plantings in degraded areas and stream restoration. Historically, Princeton has irrigated minimally on campus, instead relying on robust plantings that require little maintenance, chemical input, and watering. This approach is a historically sustainable one, requiring far less fossil fuel input than extensive annual or sensitive specialty plantings. While limited specialty plantings are an integral part of the campus character, Princeton will maintain its traditional approach to general landscaping. Princeton emphasizes: preserving native soils, increasing pervious surfaces, installing plantings adapted to the local climate and soil types that require minimal maintenance, favoring organic approaches, and irrigating as an exception rather than a rule.
All University plantings are selected for their appropriateness in Princeton, New Jersey's hardiness zone, as defined by the U.S. Department of Agriculture. Additionally, the University chooses plantings by considering soil and watering requirements, as well as its proven ability to flourish in this campus environment. When possible, Princeton protects and uses existing vegetation on campus and in its natural areas.
When possible, the University uses natural methods to control weeds, insects and fungi. An example of this is the University's integrated pest management program: periodically the University releases a variety of beneficial insects and larvae.
Nearly 100 percent of the leaves and landscape trimmings collected on campus are composted. Since 2008, an average annual volume of approximately 4,500 cubic yards of "green waste" were composted — enough leaves and trimmings to create a one foot thick cover for nearly three acres.
Depending on the nutrient needs of the soil, the soil is amended, and with compost when possible. Natural materials such as sand and clay are also being incorporated into fertilizers, reducing the amount of synthetic material per application.
Whenever possible, Grounds staff uses natural fertilizers on the University's 635 acres of campus, such as tree tea and mulch. However, weather conditions sometimes require the use of synthetic fertilizers.
Princeton’s Stormwater Management Plan comprises of a two pronged approach. First, campus-wide strategies include enhancing existing systems, constructing new local systems, and implementing landscape-based restoration projects. Major projects include stream restorations along Washington Road, underground stormwater facilities below the Bedford and other new athletic fields, and enhancements to the existing east basin facility.
Additionally, since 2008, Princeton has implemented sustainable design principles to minimize adverse effects in new development projects. Sites selected for new development projects have respected the environment by protecting sensitive natural resources, buffer zones, forests, and other ecologically sensitive areas. Whenever possible, new projects have been built on sites that are already developed and make them “greener” by creating new green space. All projects have demonstrated innovative site design techniques, such as integrating stormwater within the landscape for treatment, and promoting infiltration and rainwater reuse.
The University completes pre-storm treatment on campus to better prepare the campus before snow. Additionally, the University uses environmentally safer chemicals such as calcium magnesium acetate to remove snow.
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