Years 5 & 6 of the Kishwaukee River mussel population study

Douglass, Sarah; Tiemann, Jeremy; Dreslik, Michael

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https://hdl.handle.net/2142/123204 Copy

Description

Title

Years 5 & 6 of the Kishwaukee River mussel population study

Author(s)

• Douglass, Sarah
• Tiemann, Jeremy
• Dreslik, Michael

Issue Date

2022-03-07

Keyword(s)

• freshwater mussels
• monitoring

Geographic Coverage

Kishwaukee River

Abstract

• Conducted Year 5 of the freshwater mussel population study in the Kishwaukee River ▷ 42.5 person-hrs sampling with an average of 12 mussels collected per hr ▷ Captured 497 live individuals of 14 species across the 4 sections • Collected and PIT-tagged 57 Black Sandshells (Ligumia recta), a statethreatened species • Collected and PIT-tagged 38 species of greatest conservation need: 26 Elktoes (Alasmidonta marginata), 11 Flutedshells (Lasmigona costata), and 1 Ellipse (Venustaconcha ellipsiformis) • Most common species were Muckets (Actinonaias ligamentina) and Plain Pocketbooks (Lampsilis cardium) ▷ Monitored PIT-tagged animals in July and August 2019 • Did not conduct the annual survey due to the Covid-19 pandemic • Monitored PIT-tagged animals in August and September 2020 and surveyed with the floating antenna via kayak for emigrated individuals • For Black Sandshells, CJS models estimated apparent survival at 98% and individual detection probabilities between 0.09 and 0.41. • POPAN models of Black Sandshell estimated gross population size for females as 100 and males 105 within the study area at I-90.

Series/Report Name or Number

Illinois Natural History Survey Technical Report 2022(11):1–12

Type of Resource

text

Language

eng

Sponsor(s)/Grant Number(s)

Illinois State Tollway Highway Authority

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