From 2003 to 2007, we intensively sampled 6 sites on an elevation gradient along the river in American Fork Canyon leading up to the base of Mount Timpanogos. Malaise traps and Lingren Funnels were collected 2 to 4 times a month and sorted for EPT and Diptera. Using this data, we are investigating the validity of the Mid-Domain Effect (proposed by Robert Colwell) along the riparian corridor. Sarah Judson focused her honors thesis on community similarity and the Mid-Domain Effect in the Ephemeroptera, Plecoptera, and Trichoptera (EPT) popultions. Elizabeth Bankhead is cataloged the Diptera with a particular emphasis on Empididae and compared these results to trends with EPT.
2peop timp utah adam 03.jpg
USA: UTAH: Utah Co., Mount Timpanogos, South Fork of the American Fork River at Timpooneke Campground, N 40.43226° W 111.63741°, 2213 m, 31 July 2003, C.R. Nelson #7690, photographer. stream and site. Adam Frischknecht using a surber sampler.
peop stream mapping american fork 030.jpg
USA: UTAH: Utah Co. Mount Timpanogos, American Fork Canyon, Hwy 92, South Fork American Fork River above South Fork Ranger Station, site 3, N 40.45180° W 111.65754°, 1862 m, 19 May 2009, C.R. Nelson #9167 & class. Stream Mapping: Beau Walker, David Betts, Ashley Coleman, Travis Beckett, Paul Frandsen, and Joanie Harbor
peop timpooneke aq ent 2012 008.jpg
USA: UTAH: Utah Co. Mount Timpanogos, American Fork Canyon, Hwy 92, South Fork American Fork River near Timpooneke Guard Station, site 4, N 40.43226° W 111.63741°, 2213 m, 4 Sep 2012, C.R. Nelson #10400. Aquatic Entomology: Riley Rackcliffe and Mark Hutchings
dipt chiro diames snow.jpg
USA: UTAH: Utah Co., American Fork River, Little Mill Campground, Hwy 92, 8 March 2003, C.R. Nelson #7574 with J.R. & G.D. Ayala. Diptera: Chironomidae: Diamesinae Prodiamesa
hymen siric tremex timp 001sm.jpg
USA: UTAH: Utah Co. Mount Timpanogos, American Fork Canyon, Hwy 92, South Fork American Fork River, site 4, N 40.43226° W 111.63741°, 2213 m, 21 July 2006, C.R. Nelson #8517 & Field Biology class. Hymenoptera: Siricidae: Tremex sp.
isop reticuliterm termite.jpg
USA: UTAH: Utah Co., American Fork River, first bridge at mouth of canyon, Hwy 92, 14 March 2003, C.R. Nelson #7576. Rhinotermitidae: Reticulitermes occidentalis
pleco leuct paraleuctra occ.jpg
USA: UTAH: Utah Co., Lefthand fork of South Fork of American Fork River at Altamont campground, 17 July 1998, C.R. Nelson #6236. Leuctridae: Paraleuctra occidentalis
pleco perlod perlinodes.jpg
USA: CALIFORNIA: El Dorado Co, South Fork American River, Hwy 50, Riverton, turnoff to Crystal Basin, 16 May 1998, C.R. Nelson #6676. Perlodidae: Perlinodes aurea
scen s fk am fk timpooneke 2012 004.jpg
USA: UTAH: Utah Co. Mount Timpanogos, American Fork Canyon, Hwy 92, South Fork American Fork River near Timpooneke Guard Station, site 4, N 40.43226° W 111.63741°, 2213 m, 4 Sep 2012, C.R. Nelson #10400. Aquatic Entomology - upstream
peop kaye grey cliffs ice american fork 001.jpg
USA: UTAH: Utah Co. Mount Timpanogos, American Fork Canyon, Hwy 92, Grey Cliffs Picnic Area, American Fork River, N 40.44928° W 111.67372°, 1831 m, 28 February 2009, C.R. Nelson #9107 & J.K. Nelson. Kaye Nelson
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