WILLISTOWN CONSERVATION TRUST

The Trust Receives 525K from DCNR for Land Conservation

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We have exciting news to share! The Trust will soon receive two grants from PA DCNR to further land conservation efforts in Chester County:

🍃$500,000 toward the acquisition of approximately 12 acres for an addition to the Kirkwood Preserve.

🍃$25,400 for further development of Rushton Woods Preserve, including the construction of a pedestrian walkway, ADA access and landscaping.

“Willistown Conservation Trust’s phenomenal work in protecting and preserving more than 7,500 acres has given people of all ages the chance to enjoy nature,” said State Representative Kristine Howard. “I’m excited to see the trust utilize these grants to not only grow protected lands, but to make them more accessible for all.” Howard said the funds are part of the Pennsylvania DCNR grant program, which pulls from multiple state and federal funding sources to award grants.

Willistown Conservation Trust and Delchester Group Inc. Partner to Permanently Protect 16 Acres on Grubbs Mill Road

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Of the 16 acres, nine will be added to the Trust’s Kirkwood Preserve

Willistown Conservation Trust is pleased to announce that up to nine acres will be added to Kirkwood Preserve, and seven acres surrounding the public nature preserve will ultimately be permanently protected with a conservation easement, thanks to a partnership with Delchester Group Inc. (DGI). Through the protection of the 16 acres, the Trust is forever preserving both critical bird habitat and an important piece of history within the Willistown countryside.

The 16-acre property – commonly known as the “Massey Farm” or the “Alpaca Barn” – can be found on Grubbs Mill Road, where it has gone on and off the market for the past couple of years. When the Trust and DGI learned that a developer from out of town was proposing to purchase the land and build up to four homes on Grubbs Mill and Goshen Roads, they knew they had to act quickly. Surrounded by conserved open space, public preserves, and the adjacent Historic White Horse Corner, development would be devastating to the natural and historic landscape of Willistown. DGI’s community of investors purchased the property in September; the Trust plans to purchase nine acres from DGI through private and public fundraising, and DGI will hold the remaining seven acres until the group finds a conservation buyer willing to preserve the property’s beauty, rural character, and open space. 

  • The Alpaca Farm (when it had alpacas) in 2003 | Photo by Jennifer Mathes
  • 9 acres of the property will be added to Kirkwood Preserve | Photo by Jennifer Mathes

The Trust’s nine acres will allow Kirkwood Preserve to expand across Grubbs Mill Road, with new public walking trails anticipated. Additionally, this parcel is part of the Upper Ridley/Crum Important Bird Area, and its rich habitat has been identified by the Audubon Society as critical for bird conservation. The grasslands on this property are vital for nesting birds. Listed as a Class II historic resource by Willistown Township, its conservation also preserves the history and legacy of Thomas Massey who purchased the land among 500 acres in 1699, and later passed it on to his son, James Massey who built the “James Massey House” (c.1790) and historic barn that exist on the property today.

The Trust intends to refurbish this Chester County, stone-posted bank barn, in addition to hosting many volunteer days at this site to clean up debris, remove invasive plant species, and spruce up the outdoor spaces around the barn and other structures. Stay tuned for a future volunteer day!

A Suburban Nature Lover Seeks Legacy Easement to Protect Her Native Plant Oasis

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By Blake Goll, Education Programs Manager and Erik Hetzel, Director of Land Protection

Photos by Blake Goll

Meandering along the cool wood chip paths beneath the varied canopy of beech, oak, and cherry trees, your eyes dance with the dappled light around the myriad understory shrubs­—first settling on this glossy leaved plant, then darting upwards to those feathered shadows that flit and call among the boughs above—and you almost forget that this dynamic nature escape is someone’s backyard.

There are an estimated 40-50 million acres of manicured lawn in the United States today (including residential, roadsides, and golf courses); this represents a significant loss in plant and habitat diversity that is necessary to support wildlife in these spaces. While we historically might have been able to justify this simplified approach to our green spaces, many of us now feel compelled to do more. Unsustainable human population growth coupled with harrowing reports of the planet having lost 30% of all birds since 1970 are a call to action. Fortunately, as Marianne Price’s property proves, with the right planning, the average American yard can easily contribute significantly to insect and bird populations.

It all starts with selecting native plant species to support a healthy food web (i.e., insects!).  A keystone species like a native oak tree, for example, is a major driver of Pennsylvania food webs; 511 species of our native caterpillars use oak trees as their host plant! When you consider that the majority of our songbirds raise their chicks on caterpillars, the value of native plants is clear. By contrast, a nonnative gingko tree supports only about 5 caterpillar species. 

  • Marianne Price

“My husband Karl and I bought this place in 1972 after the previous owner passed away,” Marianne explains. “He wanted the buyer to be someone who would take care of the property for the wild birds he loved so much. He’s the one who began stewarding this yard with native trees. I kept nurturing the trees and planting more, because I wanted to keep my word, and I’ve done just that. Here I am almost at the 50 year anniversary!” she gleams. Marianne has continued to care for this one-acre ecosystem, single-handedly taking on the responsibilities after Karl passed in 2007.

Marianne’s devotion to stewarding the property now extends well into the future, thanks to her commitment to conserving the land with Willistown Conservation Trust. Using a Legacy Easement, which is specifically designed for smaller properties like hers, Marianne approached the Trust’s Land Protection Program earlier this year. Director of Land Protection Erik Hetzel recalls, “I visited her property on a sunny October morning and was greeted by an oasis of nature in a suburban neighborhood. The place was buzzing with pollinators and birds.”

  • Erik Hetzel, Sue Costello and Marianne Price

The terms of Marianne’s easements are relatively simple, focusing on the preservation of native tree species, including vital species like the native oak that supports a myriad of caterpillar and bird species. The Trust’s Legacy Easement program uses a simplified easement model to conserve lands that might not be effectively protected by other means, such as through deed restrictions or covenants between neighboring property owners. This unique program opens the door for landowners with smaller properties to become conservationists in a new way, one that is more accessible. And Marianne’s easement will ensure the lasting stewardship of the habitat that she has nurtured over the last 50 years.

Like legacy easements, part of the reason why Marianne’s little sanctuary is so inspiring is that emulating it is doable. She is a plant enthusiast and has fun experimenting with different species and cultivars that are not all native. Experts say that even if you strive for 70% native plant biomass and allow the other 30% to be other (noninvasive) plants of interest, you can still contribute to the growth of suburban bird populations like chickadees. It does not have to be an all or nothing effort. The average American lawn can easily attract at least 50 kinds of beautiful and interesting birds with the right planning!

With a keen eye for sustainability, Marianne even strives to make her watering practices environmentally friendly.  Although her diverse landscape of hardy perennials, shrubs, and deep-rooted trees requires less water that a typical Kentucky bluegrass lawn, she still needs to water during dry spells. She cleverly collects the used “gray water” from her air conditioning unit, de-humidifier, and even her laundry washing machine! She pumps this reusable water into covered storage barrels tucked around her property for watering.

Finally, when you consider that each hour of lawn mowing generates as much pollution as driving a car nearly 100 miles, it also becomes apparent how a property like Marianne’s demonstrates a more carbon neutral solution to an all-lawn landscape. From saving water and reducing carbon emissions to contributing to biodiversity, Marianne is truly an inspiration to us all — proving that an average-sized suburban landscape can be transformed from a uniform green patch to an alluring conservation oasis. 

Blake Goll | she/her | Education Programs Manager | Blake plays a big role in the Trust’s Bird Conservation Program, as well as the outreach and educational initiatives as the coordinator for Rushton Nature Keepers program.

Erik Hetzel | he/him | Director of Land Protection and Public Grants | As part of our Land Protection Program, Erik handles the acquisition of private conservation easements and public lands to add to our nature preserves.

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Legacy Easements open the door for landowners with smaller properties to become conservationists in a new way.  To learn more about how you can be a part of the conservation movement with a Legacy Easement on your property, contact Erik Hetzel at ewh@wctrust.org.

Honoring Bonnie’s Legacy and Looking to Willistown Conservation Trust’s Future

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Within the ever growing area of Chester County lies a hidden swath of land that sits in stark contrast to the noisy highways and developments that surround it. Here, the rolling hills dotted with an abundance of wildlife, luscious pastures, and scenic woodlands offer a quiet reprieve to passersby, one that has remained nearly untouched since the early settlers first arrived. Today, this special place is known as Willistown, and its rural charm and 7,500 acres of protected open space would not exist if it weren’t for Bonnie Van Alen.

Born in Chester Springs, Bonnie Van Alen (née Bartholomew), grew up on her family farm, where she spent her time working and riding her pony across the countryside. She describes her childhood as “free range,” one without boundaries aor constraints that afforded her a deep connection with nature and the great outdoors. “I loved every aspect of it: the animals, the wildlife, and the freedom,” she says. Following her education at Agnes Irwin School and later at Penn State University, Bonnie returned to Chester County with her sweetheart, Jim Van Alen. The two married and settled in Jim’s childhood home of Willistown in 1969 where they lived next door to Jim’s family on Delchester Road. It was there that they raised their three boys — Jimmy, Alex and Rob — who spent their younger years exploring creeks and woodlands around the farm.

During this period in the 1980’s, the Van Alens and their neighbors grew concerned over development pressures threatening to disrupt the important habitat and rural characteristic of this area. Bonnie took it upon herself to explore a new tool that the Brandywine Conservancy had been using to restrict uncontrolled development: conservation easements. Leaving her work with the Academy of Natural Sciences of Philadelphia, Bonnie launched a satellite program under the Brandywine Conservancy with the purpose of conserving Willistown properties with conservation easements that would be held by Brandywine.

After a crash course in conservation easement law and easement drafting, Bonnie and her conservation partner Kathe McCoy got to work drawing a map by hand to identify their focus area within the headwaters of the Crum, Ridley, and Darby Creeks: about 28,000 acres. After systematically identifying strategic properties and their owners, the duo began approaching landowners with this new concept of conservation, and they found that many were thrilled to contribute to this greater cause. As Bonnie explains, “These first landowners who donated easements took a risk and a leap of faith. And as the years went on, this land ethic grew and developed to build a true community of conservation.”

  • The Inaugural Board Meeting
  • Top Row, Left to Right Alice Hausmann, Peter Hausmann, Bill Howard, Jim Van Alen, Bonnie Van Alen. Bottom Row, Left to Right: Tana Wall, Peter Strawbridge and Jane MacElree. Not Appearing in the “Now” Photo: Doug Walker who is no longer with us, and Tim Barnard.
    Photo by Jennifer Mathes

Of course, not every neighbor was moved to permanently protect their land. In 1995, a 200-acre, centrally located farm went on the market, and the owner submitted a plan to the township to construct 80 houses on it, along with the necessary infrastructure to support these homes. Gathering their neighbors, Bonnie and Kathe, guided by local attorney, Peter Somers, formed a community partnership of investors to acquire the property for resale to conservation minded buyers. This became the model for the nonprofit Delchester Group, Inc., which, under the leadership of Bonnie, Peter and Alice Hausmann, and others has since been used to create community partnerships to acquire and save 17 properties comprising over 2,000 acres that would have otherwise been bulldozed and developed within Willistown.

After completing 90 conservation easements with the Brandywine Conservancy, in 1996 Bonnie and Alice took the next steps to turn their satellite organization into its own independent 501(c)(3) charity with the support of the community and the blessing of friend and Brandywine Conservancy President, Frolic Weymouth. Called Willistown Conservation Trust, the organization soon began preserving public trail easements and three public nature preserves — Ashbridge Preserve, Kirkwood Preserve, and Rushton Woods Preserve — in addition to completing many more conservation easements with local landowners. Under Bonnie’s leadership, the Trust expanded to over 25 employees, 22 Trustees and hundreds of volunteers, and today it offers six nationally renowned programs for public engagement and research, including the Bird Conservation, Community Farm, Education and Outreach, Land Protection, Stewardship, and Watershed Programs.

  • Alice Hausmann and Bonnie Van Alen in 1996
  • Alice & Bonnie Today!
    Photo by Jennifer Mathes

Looking back on her many accomplishments, Bonnie declares, “I think the thing that I love the most about this organization is interacting with our remarkable staff, our wonderful board of trustees and our many volunteers and supporters. Our staff is above and beyond incredible. They are experts in their field and completely devoted to what they do, and I’m regularly inspired by their passion.”

Kate Etherington is one of the newer staff members at the Trust, though she has been engaged with the organization for many years, first as a volunteer getting her hands dirty at Rushton Farm, and later serving on the Board of Trustees. In 2020 Bonnie, inspired by Kate’s dedication and skills, invited her to join the staff as Associate Executive Director. Kate brought to the role a Master’s degree in Nonprofit Leadership from the University of Pennsylvania and a breadth of management experience within the nonprofit sector. Like Bonnie, Kate grew up in the Chester County area where she spent her time as an avid horseback rider and member of the Radnor Hunt Pony Club. Her parents instilled in her a love of nature and appreciation for open space, where she spent many hours exploring the local woods, trails, streams, and fields. Today, Kate lives on a small farm in Easttown Township with her husband Ben and their three daughters, Lucy, Maggie, and Alice.

  • Meet the Etheringtons: Ben, Kate, Alice, Maggie, Lucy

“The landscape of Willistown would look completely different had it not been for Bonnie’s foresight, hard work and determination,” says Kate. “Her capacity to grow a small land trust into the organization it is today, with thriving programs and community events, is amazing. It is inspiring to see and learn from another woman’s leadership in our community.”

As Executive Director, Kate plans to continue focusing on land conservation and the critical properties in the Willistown area, as well as the smaller parcels that contribute to larger greenways. She hopes to further the Trust’s many robust environmental programs and to grow education and outreach efforts at the Rushton Conservation Center to reach a broader and more diverse group of people in the region and beyond.

In her transition, Bonnie will remain dedicated to the organization as President Emerita and by serving on the Trust’s Board of Trustees, assisting Kate with critical land conservation acquisition projects and fundraising endeavors to help the Trust reach its goal of conserving 4,000 more acres. She will also continue her work with The Delchester Group Inc., saving plenty of time for Jim and their beloved extended family, including six wonderful grandchildren.

  • Kate and Bonnie at Rushton Woods Preserve
    Photo by Jennifer Mathes

Flooding 101

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As we approach the last few weeks of summer heat and humidity, we approach peak seasons for thunderstorms and flooding. Last Thursday, heavy rainfalls led to the first major flood of the year in our area. At Ashbridge Preserve, Ridley Creek rose over 2 meters (7 feet) in about 3 hours, pouring out of its banks. In the wake of these floods, we wanted to take the opportunity to answer some commonly asked questions about the fundamentals of flooding.

What is a flood?

The United States Geological Survey (USGS) defines a flood as “any relatively high streamflow overtopping the natural or artificial banks in any reach of a stream” (USGS, 2019). In other words, a flood happens when a stream breaches its banks, resulting in water flowing over areas that are not normally part of the stream. Floods can occur for a number of reasons, from snow melt to rain to changes in tides. In our area, the most common cause of flooding is rain, often from summer storms, and snow melt after large snowfalls.

Ridley Creek before (left) and during (left) a flood at Ashbridge Preserve in 2018. Photos by author.

How frequently do floods occur? 

Floods can occur several times a year, whenever rain or snowmelt causes a stream to overflow its banks. Small floods, when the stream barely breaches its banks, are more common than large floods when the water pours out of its banks.

The size of a flood is determined by the peak flow of a stream or the greatest amount of water moving through the stream during a flood event. Peak flow can be determined by measuring the height of a stream; it is the highest height during the flood event. Higher peak flows indicate larger floods and lower peak flows indicate smaller floods.

This graph shows water depth over time and nine floods that happened at Ashbridge Preserve in the Summer of 2018. The blue line represents the depth at which the stream completely fills its bank–a flood occurs any time the water rises above this depth. Each spike represents a rainstorm and the peak flow, which determines the size of a flood, is the highest depth in each storm. The star represents the peak flow of the flood that is pictured above.   

Floods are classified by how often we expect them to occur. A 100-year flood is a flood of a given size that has a 1% chance of occurring each year. Similarly, a 500-year flood has a 0.2% chance of occurring each year and a 1000-year flood has a 0.1% chance of occurring each year. However, this does not mean that a 100-year flood will only occur once every 100 years or that a 1000-year flood will occur once every 1000 years. It simply refers to the likelihood of such a flood happening each year. 

How do you stay safe during a flood?

Floods in our area can be dangerous, even life-threatening. According to a recently completed Hazard Risk Assessment by Chester County, flooding is the second highest risk hazard in the county. Floods can damage property, destroy roads and bridges, and threaten human lives. 

Floodwaters are most dangerous for drivers, especially when drivers try to cross flooded roads. Twelve inches of flowing water will move a car, and 2 feet of water will easily sweep a car away. Even just a few inches of water can immobilize a car, stranding drivers in the middle of a road. If you are driving during a rainstorm, do not drive through any floodwater. Floodwater is often dark and murky, making it difficult to judge how much water is actually on the road and if the water is flowing. Turn around and find another route or pull over and wait until the water goes down.

Want to learn more about flooding?

Stay tuned next week for Flooding 102, which takes a deeper dive into how land use decisions impact flooding in our area. Until then, check out some of these resources:

USGS. (2019). Floods and Recurrence Intervals: Overview [Techniques and Methods]. USGS.
https://www.usgs.gov/special-topic/water-science-school/science/floods-and-recurrence-intervals?qt-science_center_objects=0#qt-science_center_objects

OUR NATURE PRESERVES

Our nature preserves are open to the public 365 days per year from sunrise to sunset, providing natural places that offer peace and respite for all. Willistown Conservation Trust owns and manages three nature preserves in the Willistown area - Ashbridge, Kirkwood and Rushton Woods Preserve. We maintain these lands for the … Learn more about our nature preserves.

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