Album of Elwha Powerline Field Trip

The main collecting site on the 5th spider collecting trip (23 April 2008) of the Elwha River Biological Survey was on the west bank of the river at a powerline clearing south of US 101, where pitfall traps had previously been placed. Despite uncertain weather, 32 spider species were taken in the very mossy maple forest, while my colleagues Trevor and Luke hiked in to an insect-trap site on the upper river. Photos by Rod Crawford.
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Elwha River west bank powerline pitfall site on 1994 aerial photo flag marks pitfall trap, maple forest, powerline on Elwha River, Clallam County, Washington
Site marked in red on aerial photo (USGS, 1994) Pitfalls among riparian maple likewise red-flagged   © Rod Crawford
sword fern Polystichum munitum in understory of maple forest, powerline on Elwha River, Clallam County, Washington moss on maple limbs, powerline on Elwha River, Clallam County, Washington
Fern-dominated understory       © Rod Crawford Moss everywhere!        © Rod Crawford
pitfall trap near river bank, powerline on Elwha River, Clallam County, Washington moss on bigleaf maple trunk, powerline on Elwha River, Clallam County, Washington
Who'd guess there's a trap under that innocent
appearing piece of bark?   © Rod Crawford
Big moss on big trunk of bigleaf maple      © Rod Crawford
edge of bigleaf maple forest, powerline on Elwha River, Clallam County, Washington bank of Elwha River at powerline S of US 101, Clallam County, Washington
Grassy road leads into woods   © Rod Crawford Still water at level of reservoir below      © Rod Crawford
grass, powerline on Elwha River, Clallam County, Washington powerline on Elwha River, Clallam County, Washington
Spring grass grows out of the old   © Rod Crawford In mid-afternoon I got some sun       © Rod Crawford
bigleaf maple canopy showing moss masses, powerline on Elwha River, Clallam County, Washington Elwha River from west bank just south of US 101, Clallam County, Washington
Still-leafless maple canopy sports gobs of moss
© Rod Crawford
River almost hidden by dense brush      © Rod Crawford


This page last updated 4 February, 2009