EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021

(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)

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5/26/2021 | 8:30 AM - 10:30 AM | PATTERNS IN WINTER STONEFLY DIVERSITY WITH URBANIZATION IN AN DECIDUOUS-FORESTED OZARK STREAM | Virtual Platform

PATTERNS IN WINTER STONEFLY DIVERSITY WITH URBANIZATION IN AN DECIDUOUS-FORESTED OZARK STREAM

Stoneflies are a globally-threatened aquatic insect order that is sensitive to declining habitat and water quality. The West Fork of the White River (WFWR) watershed in Northwest Arkansas has historically (mid-80’s) contained a high number of winter stonefly Allocapnia species including the endemic, A. jeanae, now a species of concern due to intensive urbanization. The river, which serves as a major drinking water source for Northwest Arkansas, made the 303d list in 1998 due to poor water quality; several restorations have occurred or are planned along the river. Our study objective was to describe Allocapnia spp. occurrence along the WFWR across an increasing gradient of urbanization. We collected adult stoneflies at 6 sites from January through March 2021 from the headwaters of the mainstem to where it enters south Fayetteville. Sites were visited once a week during this period and specimens were collected for 20-minutes during each visit from riparian cobbles, leaf litter collections and woody debris. We found A. rickeri and A. mohri at all sites with A. jeanae appearing at only the most upstream site. This study can help guide restoration and management on the WFWR.

Land use
Stream
Stressor

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Presenters/Authors

Zachary Tipton (), University of Arkansas - Fayetteville, ztipton@uark.edu;