Album of Hydro Park Field Trip

Selected photos by Rod Crawford and Laurel Ramseyer from our 29 May 2018 spider collecting trip to Hydro Park (officially Kirby Billingsley Hydro Park), just south of East Wenatchee along the Columbia River, Douglas County, Washington. I selected this site (basically a narrow strip between a highway and the river/reservoir) because it was easy of access and we already had 15 spider species records from the area, some from a 2015 trip to a ridge nearby and some from an orchard study. I hoped we could bring this to a full sample in a half day; and this time it worked! We found enough habitats, even including some pine cones, in the generally well-groomed park to take 16 species making 29 with the prior records.
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2015 aerial view of Hydro Park, East Wenatchee, Douglas County, Washington flooded shoreline at high water, Hydro Park, East Wenatchee, Douglas County, Washington
Red dots = collecting sites (both in park)   (Douglas County, 2015) Very high water in the river, drowning shore habitat             © Rod Crawford
shrub above floodwaters, Hydro Park, East Wenatchee, Douglas County, Washington drowned shoreline, high water, Hydro Park, East Wenatchee, Douglas County, Washington
Former riparian shrub waves goodbye    © Rod Crawford Shore habitats a little too wet for sweeping          © Rod Crawford
zebra jumping spider Salticus scenicus on restroom, Hydro Park, East Wenatchee, Douglas County, Washington restroom building, Hydro Park, East Wenatchee, Douglas County, Washington
Salticus scenicus on…             © Laurel Ramseyer …the park restroom building                © Rod Crawford
spider-rich fence at Hydro Park, East Wenatchee, Douglas County, Washington invasive Rubus armeniacus at Hydro Park, East Wenatchee, Douglas County, Washington
Laurel found several species on fence     © Rod Crawford Horrid Himalayan blackberry becoming common even here      © Rod Crawford
Phidippus audax jumping spider from fence, Hydro Park, East Wenatchee, Douglas County, Washington grassy slope at north end of Hydro Park, East Wenatchee, Douglas County, Washington
Phidippus audax from the fence       © Laurel Ramseyer I was able to sweep this grassy slope                © Rod Crawford
planted shrub foliage, Hydro Park, East Wenatchee, Douglas County, Washington river-side edge of Hydro Park, East Wenatchee, Douglas County, Washington
Park shrub foliage produced a few         © Rod Crawford Riverward edge of groomed park             © Rod Crawford
flood debris at Hydro Park, East Wenatchee, Douglas County, Washington flood debris at Hydro Park, East Wenatchee, Douglas County, Washington
Flood debris deposited above waterlline     © Rod Crawford Sifting the debris got me a few interesting spiders        © Rod Crawford
cobweb weaver Theridion murarium from fence, Hydro Park, East Wenatchee, Douglas County, Washington yellow-bellied marmots grazing, Hydro Park, East Wenatchee, Douglas County, Washington
Laurel's prize Theridion murarium from the fence     © Rod Crawford Who needs lawnmowers? A herd of marmots crops the lawn    © Rod Crawford
pine cones under unidentified non-native pine trees, Hydro Park, East Wenatchee, Douglas County, Washington unidentified non-native pine trees, Hydro Park, East Wenatchee, Douglas County, Washington
Some pine cones to tap!          © Laurel Ramseyer Laurel couldn't identify these non-native pines           © Laurel Ramseyer


This page last updated 14 June, 2018