Our Publications

Explore the latest news from MBI, discover insights from our scientific research articles, and access our comprehensive technical reports on freshwater water quality assessments.

Featured Publications

Highlighting engaging educational articles on water science, nature, and species, along with important MBI news.

2026 Big & Little Darby Creek Conservation

MBI assists with the Ohio Department of Natural Resources Division of Natural Areas and Preserves, who has initiated a two-phase project that aims to determine where at risk streams are and how to protect them.

Dec 9th, 2025

MBI Completes a New and Revised “Ohio Stream Guide!”

Rich Carter Randy Sanders

Get to know our 2025 Crews

We get the chance to work with some pretty awesome people and we want to highlight some of this years accomplishments!

Mar 17th, 2023

A Snapshot of “Ancient” Mussels in Central Ohio

Jack T Freda Anthony Sasson

Shining Star Roger Thoma Retires

After working tirelessly (well maybe occasionally tired) as a biologist and conservationist for nearly 50 years, Roger Thoma has retired, again.

Jun 8th, 2021

Best of luck, Blair!

Allison Boehler

Disco Wasn't the Only Bad Thing about the 70s

A veteran aquatic biologist reflects on the dramatic transformation of Ohio's waterways from the polluted 1970s—when rivers were lined with sludge worms, condoms hung from submerged trees, and the Cuyahoga was literally crunchy underfoot—to today's restored ecosystems that fully meet biological standards.

Feb 5th, 2026

2026 Big & Little Darby Creek Conservation

Chelsea Dingess

Dec 9th, 2025

MBI Completes a New and Revised “Ohio Stream Guide!”

Rich Carter Randy Sanders

Nov 3rd, 2025

Get to know our 2025 Crews

Chelsea Dingess

Mar 17th, 2023

A Snapshot of “Ancient” Mussels in Central Ohio

Jack T Freda Anthony Sasson

Jun 25th, 2021

Shining Star Roger Thoma Retires

Allison Boehler

Jun 8th, 2021

Best of luck, Blair!

Allison Boehler

Oct 31st, 2017

Disco Wasn't the Only Bad Thing about the 70s

Jack T Freda

Publications

Latest Publications

Explore our newest educational content about freshwater ecosystems, fascinating species, and more.

Feb 5th, 2026

2026 Big & Little Darby Creek Conservation

Chelsea Dingess

Dec 9th, 2025

MBI Completes a New and Revised “Ohio Stream Guide!”

Rich Carter Randy Sanders

cover photo for Columbus 2024 Final Report

Nov 12th, 2025

Biological and Water Quality Assessment of the Roberts Millikin Ditch, Barbee Ditch, and Dry Run Subwatersheds 2024

Chris O Yoder

Nov 3rd, 2025

Get to know our 2025 Crews

Chelsea Dingess

Dec 23rd, 2024

MBI/2023-7-15

Relationships and Thresholds for Continuous Dissolved Oxygen Variables, Nutrient Effects, and Biological Attributes in Northeast Illinois Rivers and Streams

Chris O Yoder

Dec 17th, 2024

MBI/2024-3-1

Biological and Water Quality Assessment of the Upper Des Plaines River 2022

Chris O Yoder

Publication Categories

Browse our complete library of publications organized by type - from educational articles to comprehensive technical research.

Articles

Learn about freshwater ecosystems, discover fascinating species, and explore the science behind environmental conservation.

View Articles

MBI News

Stay updated on MBI's latest projects, research developments, and organizational news from the field of freshwater environmental science.

View MBI News

Technical Reports

Access research findings, and comprehensive analyses that support evidence-based water conservation and restoration efforts.

View Technical Reports

The MBI Glossary

Need help with technical terminology? Our glossary provides clear definitions of key terms used in freshwater science and environmental research.

Disturbance

Any activity of natural or human causes that alters the natural state of the environment and its attributes and which can occur at or across many spatial and temporal scales.

Cover or Structure Metric

A metric of the cQHEI and QHEI that assesses the presence (cQHEI, QHEI) and condition (QHEI) of physical structural components (logs, boulders, undercut banks, root wads, aquatic plants, etc.,) that provide habitat important to aquatic life.

Citizen Qualitative Habitat Evaluation Index (cQHEI)

A simplified form of the QHEI, a qualitative habitat evaluation assessment tool that is applied to streams and rivers in the Midwest and which is used to identify habitat variables that are important to aquatic assemblages in streams.

Technical Reports

Latest Technical Reports

Comprehensive reports detailing our research findings, data analyses, and environmental assessments.

Nov 12th, 2025

Biological and Water Quality Assessment of the Roberts Millikin Ditch, Barbee Ditch, and Dry Run Subwatersheds 2024

Chris O Yoder

Dec 23rd, 2024

MBI/2023-7-15

Relationships and Thresholds for Continuous Dissolved Oxygen Variables, Nutrient Effects, and Biological Attributes in Northeast Illinois Rivers and Streams

Chris O Yoder

Dec 17th, 2024

MBI/2024-3-1

Biological and Water Quality Assessment of the Upper Des Plaines River 2022

Chris O Yoder

Jun 24th, 2024

Watershed Monitoring and Bioassessment Plan for the Central Ohio Watersheds

Chris O Yoder

Mar 14th, 2024

MBI/2023-12-12

Biological and Water Quality Assessment of the Middle Scioto River, Lower Olentangy River, and Lower Olentangy Tributaries 2022

Chris O Yoder

integrated Prioritization System (IPS) for Northeastern Illinois

Aug 7th, 2023

MBI/2020-5-10

Integrated Prioritization System (IPS) for Northeastern Illinois: Technical Documentation and Atlas of Stressor Relationships

Chris O Yoder

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