Monday, October 11, 2010

Early Autumn Hawk Walk and Hot-Air Balloon Ride

Busy weekend, this last.  Nevertheless, we found time to enjoy a four-mile walk in the county park downstream of my natural area on Saturday and, on Sunday, we attended the natural area preserve's biannual President's Circle Gala event on an absolutely perfect afternoon on the highest hill in the natural area.

We often take long walks on the weekend--rambles of four to six miles--but Kali's Lyme disease has re-surged and the accompanying aches, pains, and weakness have limited our strolls to four miles or less for the last few weeks.  During this Saturday's walk, a Red-tailed Hawk swooped low over the trail and then perched in a tree fifty feet away.  There, despite being pestered by a Blue Jay, it sat calmly preening and allowing me to take multiple photographs with my point-and-shoot Nikon S10.

Further down the trail, we got a tantalizing glimpse of the creek, still low from the summer's long drought despite several sizable recent rain events.
Sunday's affair, the President's Circle Gala, is held every other year to thank my natural area's most generous supporters.  The event is traditionally held at the crest of a knoll at the highest point in the natural area--an area that had been a private farm but which the natural area purchased 13 years ago and whose managers have converted mostly to native, warm-season grasses to attract meadow-nesting birds like Bobolinks, Grasshopper Sparrows and Eastern Meadowlarks.  With breeding season over, erecting a tent and hosting 150 folks who provide the lion's share of the preserve's support seems like a pretty good alternate use of a small portion of the fields.  (The majority of the fields are left undisturbed to provide shelter and habitat for overwintering birds.)
In the past, Gala attendees were treated to aerial views of the 800-acre preserve from a helicopter, but this year, the preserve's managers opted for tethered hot-air balloon rides.  Even though the day was absolutely perfect for a tented picnic (cloudless skies, low humidity, and temperatures in the low 70s), the knoll was too breezy for the balloon to ascend to more than 20 feet, limiting the views.  Nevertheless, it provided a festive backdrop to an afternoon of smooth jazz, catered food, and lots of mingling and reconnecting with old friends.

Saturday, October 2, 2010

Drought, Interrupted

Floodwaters surging under a bridge built in 1817, the second oldest bridge in the county
View downstream from the bridge
The remnants of Tropical Storm Nicole surged up the East Coast lat week and brought a deluge to the Mid-Atlantic Thursday evening into very early Friday morning.  As I lay awake in the early morning hours of Friday, listening to the rain pounding ceaselessly on the roof, I imagined the trees, shrubs, and animals along the creek washing away into the Delaware River.

By dawn, the rain had all but stopped, but the water continued to rise until about noon, fed  from sources upstream.  Remarkably, while the creek rose well out of its banks and many of the roads crossing it on low bridges were impassible, there was very little apparent damage in the natural area.

The images I've included with this post are from the previous big storm along the creek last winter.  I didn't have my camera with me when I went to inspect the damage from this storm but, except for the fact that the trees in these images don't have any leaves, the scene was the same.

The news media indicated that the damage and flooding would have been a lot worse if we weren't in the midst of an officially-declared drought.  The creek was extremely low before the storm and the soil was extremely dry, both of which helped to minimize the damage. 
Flooded riparian forest

Thursday, September 23, 2010

Quilted, Naturally


Kali and I paid a visit to the Pennsylvania National Quilt Extravaganza XVII last Sunday, September 18.  With "extravaganza" in the name, could the show be anything but hype?  Well, for once, there was truth in advertising.  The show was a spectacular extravaganza of quilts of all types from traditional patchwork to contemporary, cutting-edge (so to speak) appliqued wall hangings.  We spent over three hours at the show.

While I photographed many of the works on display, I'm presenting a gallery of some of the best of the nature themed quilts.

With one exception, every one of the quilts in the show was created by a woman.  As we were leaving the exhibition, Kali remarked, "If these pieces had been created by men, they'd be hanging in art museums."   


Medea Escaping  Not nature-themed, but a real show stopper!












Saturday, September 18, 2010

Glorious Early Fall Field Trip

Autumn dogwood as stained glass

I'm teaching a graduate course in restoration ecology this term, and brought the students to my natural area to give them some first-hand experience with state of the art restoration techniques and land management strategies in a natural area that is subject to considerable pressure from white-tailed deer and from invasive plants. Many of the students are landscape architecture candidates, so they need some exposure to native ecosystems, not just design classes.

The day was absolutely perfect--temperatures in the mid 70s, low humidity, and billowy white clouds sailing across an azure sky.
The native grasslands are at their peak right now, especially where they contain goldenrod and white snakeroot. The meadows are just gorgeous!

Back at the nature center, white wood aster was blooming in the shade of a specimen tree alongside a white picket fence.

Monday, September 13, 2010

Artsy Weekend

Lucinda Childs' Dance (1979), with film by Sol LeWitt and music by Philip Glass

My wife and I had an artsy weekend. We started on Saturday morning with a 6-mile circumambulation of Lake Galena, a water supply reservoir and recreational area in Peace Valley County Park near Doylestown, Buck County, Pennsylvania. The walk is fairly boring; most of it is along the lakeshore though developed picnicking, boating, and fishing areas or along the crest of the earthen fill dam that holds back the waters of Neshaminy Creek to create the lake. We walk the lake almost solely for exercise.
Canoes brought ashore at Lake Galena

Some parts of the trail near the upper end of the lake pass through young woodlands and old fields, and are therefore more enjoyable. At the very upper end, where Neshaminy Creek enters the lake, an old highway bridge (closed to traffic) spans the creek. There, we joined a small crowd watching a big fat Northern Water Snake lolling in the warm shallows. A smaller specimen investigated riparian vegetation a short distance away. That's where I found out that I had failed to recharge my camera battery...

After our walk, we headed into Doylestown proper for the community's annual arts festival. We're art festival junkies, and this was B-quality work at best--lots of vendors with lots of acceptable work but nothing exciting, innovative, or of the best quality--with the exception of a woman who made beautiful and inventive women's coats. We did buy a quirky birdhouse that we'll mount on an old snag outside our house next spring.
Sunday we got a gentle rain in the morning--not enough to really relieve the terrible dryness we're experiencing, but better than nothing. It was our first rain in three weeks, and it let up by noon, though the day stayed cloudy and cool.

In the afternoon, we went into central Philadelphia to see a performance of Dance, a revival of a dance by choreographer Lucinda Childs that debuted in 1979. The work was part of the Live Arts/Philly Fringe Festival that's in full swing. The festival endeavors to present avant-garde and unusual performance pieces. Dance certainly was avant-garde when it was first performed; American and European audiences booed it off the stage. But, contemporary dance has evolved considerably since 1979, and the 1-hour piece now just feels a bit outdated.

The most interesting aspect of the piece was the juxtaposing of live dancers with film of dancers projected onto an upstage scrim. The filmed dancers and the live dancers, all attired in stark white outfits, performed exactly the same steps at the same time. It was fascinating to watch.

The piece was set to a score that choreographer Childs commissioned from Philip Glass, the minimalist contemporary composer. We never want to hear another piece of music by Philip Glass ever again. Glass's music is highly--highly--repetitive, almost to the point of monotony. My wife asked if I remembered that the U.S. Army had tried to get rid of Manuel Noriega in Panama by blasting him with incessant loud rock music; she said they made a mistake--they should have used Phillip Glass's music! Of course, it might have driven him insane, first. There were so few changes in the music that I don't know what cues the magnificent dancers were using to synchronize their movements.

Friday, September 3, 2010

Nighthawk Sunset

Despite temperatures in the low 90s, we decided that the humidity was temperate enough last evening to allow us to enjoy a walk in our natural area after dinner. Good call!

As we were nearing the end of the walk, we were treated to a sunset that rivaled the best that the West has to offer. Such sights are not common in the Mid-Atlantic, especially not in the summer, so we drank it in.

Though we've been keeping an eye out for the last week or so, we hadn't seen any migrating Common Nighthawks (Chordeiles minor), which usually grace the sky during the last week of August or the first week of September. These birds are in serious decline because of habitat loss, and I was beginning to despair that we wouldn't see any this year. Then, not 100 meters from the end of the trail, over the broad expanse of native grasses planted in the natural area, four nighthawks appeared in the sky, wheeling and swooping in pursuit of late flying insects. One flew no more than ten feet over our heads. Then, as the sunset faded, the birds vanished.

Thursday, September 2, 2010

Wild Turkeys vs.Great Blue Heron

Harper's Run, Summer

Last evening, I went for a bicycle ride in the large city park downstream of "my" natural area. My wife had to work late, and I'd had a large lunch and didn't need another meal, so I took advantage of this alignment of the stars to get some exercise. The only downside was that yesterday was among the hottest days of the year, with the temperature when I began at 5:30 p.m. still at 91 degrees!

Before setting off, I photographed Harper's Run, the third in my seasonal series of images of this stream taken from a footbridge over the creek. The lack of recent rains is reflected in the stream, which has dwindled to a trickle. However, if Hurricane Earl approaches the East Coast tomorrow, Harper's Run could become a raging torrent in a matter of minutes.

The bike trail through the city park is 10 miles long; I rode 7.5 miles of it for a total of 15 miles. The trail is paved and parallels the creek, so it's shaded. Most of the ride last night was relatively cool, but every once in a while--because of the topography, the wind, the orientation of the trail, or some other unknown reason--I'd puncture a mass of stifling hot air. Then, a few hundred yards later, I'd re-enter the cooler air. Ahh, relief!

On my return trip up the path, I came around a corner and had a view out over the creek where I captured this image. A group of three Wild Turkeys is on the sandbar on the left, and a Great Blue Heron is fishing the shallows on the right side of the creek. It suggested to me that the gang of turkey bullies had cornered the heron and driven it into the water. Of course, I know that's not the case, but I liked the juxtaposition. I made three images of the scene, and by the time I took the third shot the heron had flown away; the herons are skittish in this park, and I don't blame them because the park is very heavily used.