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Wildlife Crossing Over 10-Lane Highway Begins Construction. Structure Will Use 1,560 Tons of Soil and Will Be the Largest of Its Kind on the Planet
On Monday morning, an important step began to turn a dream of conservation into reality. Teams of workers started laying soil for the Wallis Annenberg Wildlife Crossing, a project that promises to be the largest wildlife crossing in the world.
The work began between 7 AM and 10 AM, marking the start of a process that will create a new habitat of nearly 1 acre. The area will provide a safe crossing for animals such as mountain lions, deer, and lynx. They will be able to cross the busy Highway 101 in California without the risk of being hit.
The crossing will cover 10 lanes of road. Approximately 4,500 cubic meters of soil will be needed, equivalent to about 1,560 tons. This phase is expected to last several weeks.
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The bridge’s construction began on Earth Day 2022, with an expected completion date in 2026. When finished, it will be the largest of its kind on the planet. Moreover, it is expected to become a reference for wildlife protection projects in urban areas, according to the National Wildlife Federation (NWF).
Collaboration Among Experts Marks The Project
This advancement is the result of a significant collaboration among professionals from different fields. Soil scientists, biologists, engineers, and mycologists participated. They carefully selected the soil and fungi that will be used to create the ideal environment for the species that will live there.
Starting in May, a new phase of construction will commence. The planting of about 5,000 native plants is planned. This vegetation will be essential to create a sustainable ecosystem.
The goal is to meet the needs of various species, such as mountain lions, lynx, deer, desert rabbits, bats, birds, and monarch butterflies.
The NWF reported that most of these plants will consist of varieties of coastal sage native to the Santa Monica Mountains.
The crossing is part of a larger project aimed at restoring 12 acres of natural areas. In total, the restoration will include 50,000 native plants, including trees, shrubs, and perennials.
Nursery Collects Over 1 Million Native Seeds
In the past three years, a team dedicated to the project’s nursery has collected over 1.1 million seeds. The seeds came from more than 50 different species, all native to the Santa Monica Mountains. This work has been essential to ensure that the vegetation used is compatible with the local ecosystem.
In addition to collecting seeds, the nursery has also been cultivating various plant species. Among them are coast oaks, valley oaks, toyons, ceanothus, California buckwheat, flowering penstemon, and different types of sage. All these plants will be used to enhance the new crossing.
The native vegetation will also play another crucial role. It is expected to help reduce the risks of wildfires in the region. An irrigation and sprinkling system will be installed for this purpose. It has been designed to ensure the plants’ survival even in adverse weather conditions.
Crossing Unites Urbanism and Environmental Conservation
The nursery responsible for growing the plants is operated by Rock Design Associates. They receive support from various institutions, including the Santa Monica Mountains Fund, the National Park Service, Caltrans, and the Mountains Recreation and Conservation Authority.
The Wallis Annenberg Wildlife Crossing is not just a bridge. It represents a joint effort to allow coexistence between urban areas and nature. Amid cities that are constantly expanding, it demonstrates that sustainable solutions can be created.
As the soil begins to cover the structure of the wildlife crossing, hopes also rise that this project will pave the way for similar initiatives in other parts of the world.
With information from Interesting Engineering.
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