There was a burn here recently, like many other local haunts. Deep in the woods, near the fairy ponds, singed mounds of grass look like modern photosynthetic stromatolites (with plant, not cyanobacteria!). It was a good burn season, or so went the public lands stewardship chatter.
Powderhorn encompasses a vast tract of land, owned and managed by the Forest Preserve District of Cook County, on the far southeast side of Chicago. It’s a stocked lake with fishers all year round, an award-winning remnant dune and swale habitat,
a to-be-acquired industrial lot with rail tankers, a railroad track lined with Phragmites, and disused land in a residential district made into an urban sponge that captures rainwater and drains it in to the lake. Altogether, it makes a really nice urban greenspace
that works with the land and hydrology and habitats, and enhances what they already are (minus some invasive species and plus some light mowing). Check out this terrific Storymap about the most recent restoration project!
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We saw lots of evidence of beavers!
and other wildlife — like this osprey on a nest on a human-constructed osprey tower!
It’s a real urban prairie – an undeveloped remnant that was dense Phragmites only a few years ago.
We came up through the south end of Burnham Prairie, over several sets of railroad tracks. There was no parking lot; it just seemed like a close spot based on Google Maps.
We found a recent burn by Com Ed,
and skirted the wetlands of the Illinois State Nature Preserve.
We turned back and drove up to the north end of Burnham Prairie, well-hidden in the furthest reaches of residential Burnham, abutting the Grand Calumet River.
As we approached the slag prairie I realized I’d forgotten how much like Mars this slag is: everything is very stunted (very clear in cottonwoods); spotted knapweed is a champ and brings all the pollinators to the yard; there are a few Liatris, lots of whorled milkweed, some sumac; mosses making the barrens less barren.
Check out another visit to the same site a few years ago: Burnham Prairie, IL • March 2016
It’s that time of year again – spring ephemerals at Sand Ridge. They never get old.
upland woodland friends, sprouting from under the oak leaves.
here’s the hummocks that enable the fen orchid
this little wetland is on sandy soil in a swale among the aspens.
a younger grove is undergoing restoration and in a decade or so, may harbor high quality orchids and sedges like this one.
A boat launch at Wolf Lake and a hydrological connection to Powderhorn Lake are new initiatives by the Forest Preserves and State Park. The connection between these bodies of water is an important one in reconstituting the wetland complex that has characterized the Calumet Crescent in the last 10,000 years.
Looking south towards Powderhorn, this new naturalized channel was constructed in an empty, perennially flooded lot. This green infrastructure is beneficial to the surrounding human community (decreasing local flooding) and connecting the animal communities.
Walking north, a buckthorn protected path affords coverage for waterfowl hunters (remember there is a gun club close by and hunting is legal in William Powers State Park) or coyotes, flanked by the transition zones between land and lake.
The real action though comes from the beavers. We’ve seen beaver dams around Powderhorn Lake in the past – I wonder if these beaver clans were already connected overland, or if the coming months will be first contact between the populations! I hope someone is using this behavioral, range, and host tree preference data to learn lots about these local ecosystem builders!
With no one else around, there was a liminal feeling to the masses of Phragmites topped with a cloudy gauze covering the winter afternoon sun.
July is just the beginning of mallow season at Sand Ridge. Imagine the flowers twice as dense along the sides of the boardwalk – only a week or two away!
I didn’t remember that we had visited here in May before, but check out May 2017 to see what we found here a few years ago!
Do you ever get tired of the bottle gentians? Me neither.
and there is so much else this season, too!
Calumet Region Adventure Club 