Album of Jackson Gulch Field Trip

Selected photos by Rod Crawford from my 31 March 2017 spider collecting trip to the mouth of Jackson Gulch in northern Snohomish County, Washington. My plan to collect at a historic cemetery was a washout (no public access) but I was able to access a small maple forest tract, a pasture edge and a rather spider-rich bridge across the Stillaguamish River (very full of water this spring) for a minimal 24-species sample, sufficient to fill in this "hole" in my coverage map. Anyway, it was great to finally get out in the field again!
READ TRIP NARRATIVE PHOTO ALBUM INDEX MAIN JOURNAL INDEX
2007 aerial view, Jackson Gulch mouth, Snohomish County, Washington invasive Rubus armeniacus thicket, bridge near Jackson Gulch mouth, Snohomish County, Washington
Jackson Gulch upper right; bridge left center (Snohomish County, 2007) Blackberry at its worst!          © Rod Crawford
vegetation at east end of bridge near Jackson Gulch mouth, Snohomish County, Washington historic Zion church/cemetery sign, near Jackson Gulch mouth, Snohomish County, Washington
Vegetation far less awful on east side of bridge      © Rod Crawford You would think a historic landmark would have some public access        © Rod Crawford
private sign on gate to Zion Cemetery, near Jackson Gulch mouth, Snohomish County, Washington Little White Church on the Hill, near Jackson Gulch mouth, Snohomish County, Washington
No such luck, entry forbidden!          © Rod Crawford Forgive us our trespasses…                © Rod Crawford
Bridge over Stillaguamish River near Jackson Gulch mouth, Snohomish County, Washington spider niches under Stillaguamish River bridge, Jackson Gulch mouth, Snohomish County, Washington
Bridge over the Stillaguamish          © Rod Crawford Plenty of room for spiders under the bridge             © Rod Crawford
muddy bank of Stillaguamish River near Jackson Gulch mouth, Snohomish County, Washington Stillaguamish River in flood near Jackson Gulch mouth, Snohomish County, Washington
Nothing on the riverbank but gooey mud   © Rod Crawford Just water under the bridge                 © Rod Crawford
cows on a farm by Stillaguamish bridge near Jackson Gulch mouth, Snohomish County, Washington farm by Stillaguamish bridge near Jackson Gulch mouth, Snohomish County, Washington
Cows in the afternoon             © Rod Crawford No cows in the morning                   © Rod Crawford
hillside forest, Jackson Gulch mouth, Snohomish County, Washington Jackson Gulch creek from forest site, Jackson Gulch mouth, Snohomish County, Washington
Forest habitat was day's most productive  © Rod Crawford Jackson Gulch Creek from my forest site           © Rod Crawford
maple trunk covered with Polypodium ferns, Jackson Gulch mouth, Snohomish County, Washington Polypodium ferns on maple trunk, Jackson Gulch mouth, Snohomish County, Washington
A richly fern-clad maple         © Rod Crawford Polypodium ferns on maple trunk               © Rod Crawford
bigleaf maple litter on forest floor, Jackson Gulch mouth, Snohomish County, Washington Polystichum munitum understory, Jackson Gulch mouth, Snohomish County, Washington
Maple litter, richest habitat           © Rod Crawford Sword-fern understory, second-richest habitat              © Rod Crawford
microspider Linyphiidae Walckenaeria auranticeps from fern understory, Jackson Gulch mouth, Snohomish County, Washington river-ravine bank with fern understory, Jackson Gulch mouth, Snohomish County, Washington
Walckenaeria auranticeps from ferns      © Rod Crawford The Fernie Brae                   © Rod Crawford
grass at pasture edge, Jackson Gulch mouth, Snohomish County, Washington landscape from Stillaguamish bridge near Jackson Gulch mouth, Snohomish County, Washington
Pasture-edge grass had a few spiders      © Rod Crawford Rural landscape from the bridge               © Rod Crawford
red cedar foliage Thuja plicata near Jackson Gulch mouth, Snohomish County, Washington Pioneer Highway (forest tract on left) near Jackson Gulch mouth, Snohomish County, Washington
Red cedar foliage didn't improve spider sample      © Rod Crawford Empty road, soon to produce my ride home               © Rod Crawford

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This page last updated 10 September, 2020