Album of Lake Cavanaugh Field Trip

Selected photos by Rod Crawford and Hannah Dykstra from a 13 March 2014 spider collecting trip to the east end of Lake Cavanaugh, Skagit County, Washington. We collected mainly in the riparian buffer around a large beaver marsh, plus some conifer foliage sampling in the two (very different) adjacent clearcuts. The 30-species sample (not bad for a short day) contained nothing very rare but nicely inaugurated the 2014 season.
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2013 aerial photo of collecting site E of Lake Cavanaugh, Skagit County, Washington boat launch, E end of Lake Cavanaugh, Skagit County, Washington
Main habitats from the air         (Skagit County, 2013) East end of lake at boat launch        © Rod Crawford
outhouse building at boat launch, E end of Lake Cavanaugh, Skagit County, Washington road through the buffer forest and northern clearcut, E of Lake Cavanaugh, Skagit County, Washington
Outhouse produced 4 spider species      © Rod Crawford Road through buffer forest; older clearcut          © Rod Crawford
End of giant beaver pond, E of Lake Cavanaugh, Skagit County, Washington end of giant beaver pond, E of Lake Cavanaugh, Skagit County, Washington
Giant beaver pond and marsh        © Rod Crawford Another aspect of the beaver pond          © Hannah Dykstra
moss on tree trunk, E of Lake Cavanaugh, Skagit County, Washington parking place, E of Lake Cavanaugh, Skagit County, Washington
Moss on tree trunk       © Rod Crawford Our parking place by riparian forest         © Rod Crawford
crab spider Xysticus pretiosus from leaf litter, E of Lake Cavanaugh, Skagit County, Washington stump of an old-growth tree, E of Lake Cavanaugh, Skagit County, Washington
Xysticus pretiosus from litter      © Rod Crawford Stump left over from when old-growth was cut         © Rod Crawford
pocket of leaf litter, E of Lake Cavanaugh, Skagit County, Washington microspider Linyphiidae Ceratinops inflatus from moss, E of Lake Cavanaugh, Skagit County, Washington
Pocket of cottonwood-alder litter        © Rod Crawford Female Ceratinops inflatus from moss            © Rod Crawford
beaver-chewed tree, E of Lake Cavanaugh, Skagit County, Washington beaver-chewed tree, E of Lake Cavanaugh, Skagit County, Washington
Beavers were busy…            © Hannah Dykstra …very busy            © Rod Crawford
salal foliage Gaultheria shallon, E of Lake Cavanaugh, Skagit County, Washington stump bark in clearcut, E of Lake Cavanaugh, Skagit County, Washington
Salal foliage, very productive            © Rod Crawford Bark on stump loose, but not loose enough         © Rod Crawford
salal and fern leaves, E of Lake Cavanaugh, Skagit County, Washington female pirate spider Ero canionis, E of Lake Cavanaugh, Skagit County, Washington
Fern and salal leaves make art          © Rod Crawford Nice Ero canionis specimen from salal               © Rod Crawford
shelf fungus, E of Lake Cavanaugh, Skagit County, Washington
Shelf fungus on snag         © Rod Crawford Buffer forest with clearcut beyond               © Hannah Dykstra
fallen bark, E of Lake Cavanaugh, Skagit County, Washington moss and salal, E of Lake Cavanaugh, Skagit County, Washington
Fallen bark          © Rod Crawford Moss and salal, both good habitats               © Rod Crawford
matted last year's grass in clearcut, E of Lake Cavanaugh, Skagit County, Washington newer clearcut, E of Lake Cavanaugh, Skagit County, Washington
Spring not yet sprung, no grass riz       © Rod Crawford Newer clearcut with grass instead of salmonberry               © Rod Crawford
western hemlock foliage Tsuga heterophylla, E of Lake Cavanaugh, Skagit County, Washington sky over beaver pond, E of Lake Cavanaugh, Skagit County, Washington
Western hemlock foliage        © Rod Crawford Sky over beaver pond               © Rod Crawford

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This page last updated 16 May, 2014