Adult net-spinning caddisfly (Hydropsyche spp.) catch rates and morphology from large rivers of the southwestern United States, 2015-2016

These data describe the distribution and abundance of Hydropsyche, a widespread and diverse genus of net-spinning caddisflies, in the Colorado River Basin. Abundance data, measured as catch rates, were collected by citizen scientists using light traps. We subsampled Hydropsyche spp. from light trap samples collected throughout the Colorado River Basin and measured the lengths and widths of mesothoracic tibia and first tarsal segments. Samples and measurements were processed at Grand Canyon Monitoring and Research Center in Flagstaff, AZ.

Tags: Aquatic Biology, Arizona, Colorado, Colorado River, Dolores River, All tags... Ecological distribution, Ecology, Geography, Green River, Gunnison River, Hydropsyche, Information Sciences, Relative abundance, San Juan River, USGS Science Data Catalog (SDC), United States, Utah, Water temperature, Wildlife Biology, Wyoming, Yampa River, abundance data, aquatic ecosystems, biogeography, biota, catch rates, citizen science, distribution of species, ecology, hydrology, insects, light traps, measurements, morphology (biological), net-spinning caddisflies, species distribution, western United States, Fewer tags

Insect catch rates and angler success data during Bug Flows at Glen Canyon Dam, 2012-2018

These data were compiled to evaluate the effects of low steady weekend flows on emergent aquatic insects during the first year of experimental Bug Flows below Glen Canyon Dam (2018) and recreation in Glen Canyon in the second year of Bug Flows (2019). Bug Flows are experimental flows that were released from Glen Canyon Dam in 2018 and 2019. The flows consist of low steady flows on weekends and have the goal of increasing aquatic insect production. These data were compiled for an outreach article providing Citizen Scientists with an update on ongoing research evaluating the effects of Bug Flows. Midge and caddisfly data were collected by Citizen Scientists using light traps. Angler data were collected under a paired...

Tags: Aquatic Biology, Arizona, Colorado River, Ecological distribution, Ecology, All tags... Geography, Glen Canyon Dam, Grand Canyon, Hydropsyche, Information Sciences, Relative abundance, USGS Science Data Catalog (SDC), Water temperature, abundance data, aquatic ecosystems, biogeography, biota, catch rates, citizen science, distribution of species, ecology, hydrology, insects, light traps, measurements, morphology (biological), net-spinning caddisflies, species distribution, Fewer tags

Humpback chub (Gila cypha) and mean daily water temperature data, western Grand Canyon - 2000 to 2016

These data were compiled to examine patterns of humpback chub (Gila cypha) in western Grand Canyon from just below Havasu Creek at river kilometer (rkm) 253 (Lees Ferry is rkm 0) downriver to Pearce Ferry at rkm 451. These data represent mean daily water temperatures in degrees Celsius from two USGS gaging locations (2005-2016), catches of individual humpback chub in hoop nets (2005-2016), total lengths of individual humpback chub captured in hoop nets during 2014, 2015 and 2016, and the effort (number of seine hauls) and catch of humpback chub in seines (2000-2016) in the Colorado River. These data were collected by research staff from the Grand Canyon, Monitoring & Research Center, Southwest Biological Science...

Categories: Data; Tags: Colorado River, Diamond Creek, Gila cypha, Hance rapids, Havasu Creek, All tags... Havasu Rapid, Lava Falls, Lava Falls rapids, National Canyon, Peach Springs, Pearce Ferry, Supai, USGS Science Data Catalog (SDC), USGS streamgaging network, biota, captures, catch Rates, data release, degrees Celsius, endangered species, field inventory and monitoring, field monitoring stations, field sampling, fish, fish lengths, hoop nets, humpback chub, inlandWaters, long-term ecological monitoring, mean daily water temperature, population expansion, regulated river, river reach, seine, seine hauls, water temperature, western Grand Canyon, Fewer tags

Bat activity and insect abundance data along the Colorado River in Grand Canyon, AZ

These data were compiled to improve our understanding of bat foraging along the Colorado River in Grand Canyon. Objectives of our study were to determine whether bat activity was influenced primarily by variation in prey availability relative to other environmental or geomorphic factors. These data represent 1,428 paired samples of bat activity and insect abundance calculated as catch rates collected on 611 sampling nights at 410 sampling sites throughout a 470 km segment of river. These data were collected from April to October in 2017-2020 at recreational camps along the Colorado River in Grand Canyon between Glen Canyon Dam and Pearce Ferry. These data were collected through a U.S. Geological Survey led community...

Categories: Data; Tags: Aquatic Biology, Colorado River, Ecology, Geography, Glen Canyon, All tags... Glen Canyon Dam, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, Havasupai, Havasupai Reservation, Hopi, Hualapai, Hualapai Indian Reservation, Hydrology, Information Sciences, Kaibab Band of Paiute Indians, Las Vegas Band of Paiute Indians, Limnology, Navajo, Navajo Nation Reservation, Paiute Indian Tribe of Utah, Pearce Ferry, Pueblo of Zuni, San Juan Southern Paiute Tribe, USGS Science Data Catalog (SDC), Yavapai-Apache, acoustic data, acoustic recorders, aquatic biology, aquatic ecosystems, aquatic insects, aquatic-terrestrial linkages, bat activity, bat call recordings, bat foraging, bats, biota, catch rates, citizen science programs, data release, ecology, environmental variables, field data, field inventory and monitoring, field sampling, foraging ecology, indigenous land, insect abundance, insect catch rates, insect emergence, insects, light trap catch rates, light traps, riparian foodwebs, sample data, temporal variables, wetland ecosystems, Fewer tags