Saving a globally threatened ecosystem

Post by Allison Frederick
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The Chicago Wilderness alliance recently honored the Lake County Forest Preserves in Illinois for achieving the Excellence in Ecological Restoration accreditation.

From vast woodlands to rolling prairies, the Chicago Wilderness Excellence in Ecological Restoration program showcases conservation leadership and site-based restoration by recognizing high-quality natural areas and the organizations that manage them.

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Natural areas are assessed by a set of rigorous, science-based standards that recognize best practices in natural resource management. Conservation experts from across the region review the assessments to determine if a site meets one of the accreditation levels: Platinum, Gold, Silver or Bronze.

The Lake County Forest Preserves recently received a Platinum accreditation, the highest level possible, for Middlefork Savanna Forest Preserve. This accreditation recognizes the expertise, creativity and drive of our natural resource staff in forming and leading a coalition of federal, state and regional partners to restore this site.

Home to a rare tallgrass savanna, Middlefork Savanna features a mix of oak savanna and woodlands, wet and mesic prairies, sedge meadows and marshes. Middlefork provides valuable protection for many state and federally listed species. A 25-acre parcel here is the highest quality tallgrass savanna of its kind in the nation and is recognized as a globally threatened ecosystem.

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Once part of a large glacial lake, Middlefork Savanna provides safe harbor for endangered plant and wildlife species, and several environmentally sensitive wetlands that feed into the North Branch of the Chicago River. Chicago Wilderness has identified Middlefork Savanna as one of the most important sites for biodiversity in northeastern Illinois. Because of its size, this site supports an impressive list of uncommon birds, butterflies and other species that need large open areas for survival. Middlefork also serves as a national ecological research site and outdoor classroom for universities, schools and other organizations.

The natural areas of Chicago’s wilderness are home to a wide diversity of species and rare habitats that offer the region’s residents with opportunities for recreation and exploration, as well as clean air and water, flood protection and so much more. Yet there are threats to the region’s natural areas, such as fragmentation, invasive plant and animal species, pollution, and the impacts of climate change.

LILMIC-MISA-20140706-002Before we begin to restore a preserve’s health, restoration ecologists and wildlife biologists inventory its condition. They analyze the animals, plants, soils and water flow, and they review historical records of the site. With that information a plan is created for restoring and managing the ecosystem. Our leaders seek sound public and incorporate it into the plans.

Then the hands-on work begins. Along the way, ecologists evaluate progress and fine-tune the strategy.

Our natural resource management plans are complex. But the idea of preserving Lake County’s plants, wildlife and our natural legacy for future generations is not.

Grab some work gloves and join other volunteers to save Lake County’s natural areas. Restoration workdays are held nearly every day at preserves throughout the county. Workdays are a great opportunity to spend time outdoors, make new friends who share a concern for the preserves and make a meaningful contribution.

2014 in review

It’s been a great year. Thanks to all for reading! The WordPress.com stats helper monkeys prepared our 2014 annual report. See link below for details.

Here’s an excerpt:

A New York City subway train holds 1,200 people. This blog was viewed about 8,000 times in 2014. If it were a NYC subway train, it would take about 7 trips to carry that many people.

Click here to see the complete report.

Favorite photos from 2014

Post by Allison Frederick

The end of another year is drawing near. To celebrate the biological diversity protected within the Lake County Forest Preserves in northeastern Illinois, I’ve put together a collection of some favorite images from 2014. We have such an amazing support system of photographers who donate their time and images to communicate our cause. Their passion for wildlife and the outdoor spaces our organization preserves is evident in each image they share. I hope you enjoy them half as much as I enjoyed choosing this set! Each photograph was taken right here in Lake County, Illinois.

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The slideshow will run on its own, but you can speed it up by clicking on the arrows. To see more amazing images from the forest preserves, or to share photos of your own adventures, join our group Flickr pool.

Thanks for following our blog. Knowing there are others who enjoy the beauty and complexity of our native landscapes is very satisfying. Have a great holiday season!

The real Thanksgiving turkey

Post by Jen Berlinghof

There is a lot of turkey talk in my house lately—from handprint turkey crafts to gobbling impersonations and heated discussions of who gets the wishbone this year. Come November, most of us think of turkeys as the centerpiece of a delicious feast. You might be surprised to learn that this symbol of our American heritage is not only found on platters but also resides in Lake County, Illinois woodlands; and their gobbling is growing!

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Poison ivy primer

Post by Jen Berlinghof

With Halloween fast approaching, much attention is given to animals that are considered “scary.” Foreboding ravens, ominous bats, super-sized spiders and snakes are everywhere. Thankfully, many people know the benefits of these critters. However, it seems there is one thing found in nature, surprisingly flora not fauna, that remains misunderstood and maligned: poison ivy (Toxicodendron radicans). The chemical urushiol in the sap of poison ivy can cause an allergic reaction in many people that results in an itchy rash. However, wildlife is not sensitive to the plant in the same way. In fact, poison ivy is an important native plant in Illinois with a host of benefits for our natural areas—from food and shelter for birds, mammals, and insects to erosion control on shorelines.

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Acorn abodes

Post by Jen B

My family went on a bike ride last weekend at Ray Lake Forest Preserve. All afternoon, rain sputtered on and off as the clouds played tag with the sun. After climbing up a steep hill, the sky darkened again and we sought refuge under a canopy of large oak trees. One of my sons yelped,”Ouch! That raindrop hurt!” We quickly realized it wasn’t a raindrop, but a storm of acorns jiggled loose by the wind, plopping down on us. The trail became littered with acorns, and the kids began grabbing them. Upon inspection, the boys noticed tiny round holes in many of the acorns—evidence that these nuts were homes to acorn weevils (Curculio spp).

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Final songs of summer

Post by Jen B

As summer winds down, a telltale hum that signals the changing seasons begins to ramp up in the fields and forests. These trills and chirps are the mating calls of tree crickets (Oecanthinae)—a group of fascinating insects that are often heard but seldom known or seen. Their small size and mint green color helps camouflage them amidst the verdant grasses, shrubs and trees of late summer.

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Ghost of the prairie

Post by Jen B

Many years ago, while hiking through a prairie at dusk, I saw a stalk of delicate white flowers. They seemed to rise and hover above the surrounding plants like a group of little dancing ghosts. This was the first and last time I ever saw an eastern prairie fringed orchid (Platanthera leucophaea). Due to its dwindling numbers and hidden habitats, this rare plant has reached almost mythical status—a holy grail of sorts in the Midwest. We’re thrilled that this endangered native orchid seems to be gaining a foothold in the Lake County Forest Preserves, which are home to some of the largest remaining populations. Just this month, one of our restoration ecologists discovered an orchid in bloom (photo below). It was found at one of the preserves known to provide habitat for this species but is the first documentation of a population at the site.

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A beautiful invasion

Post by Kelsey Roehrich

I am a student at Iowa State University, and traditions are an important part of school life. One long-standing tradition centers around two swans, Lancelot and Elaine, which float on a small campus lake. Legend has it, walk around the lake three times with your significant other and you will be together forever, since it is said that swan pairs mate for life.

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Spring songs

In May the natural world of Lake County, Illinois clamors for attention. Frogs peep, toads trill, insects buzz and chirp, but the all-stars of the show are birds. Perching songbirds, referred to scientifically as oscine passerines, are known for their amazing and extremely varied sounds. For many small and secretive species, their calls and songs are often the only way to identify individual birds within the chorus.

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Shorter, non-musical bird calls are heard year-round. Calls are used in social interactions and as alarms. They are considered innate. However, scientists have determined that birds’ longer, melodic songs are learned in the first year of life. Birds use these spring songs, some containing several melodies, primarily in establishing territory and breeding. Continue reading