Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Global Climate Change

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The Biological Assessment and Rehabilitation of the World's Rivers: An Overview.

Water·2021

Same author

Evaluating the Type II error rate in a sediment toxicity classification using the Reference Condition Approach.

Aquatic toxicology (Amsterdam, Netherlands)·2010

Same author

Sediment quality in Rio Guadiamar (SW, Spain) after a tailing dam collapse: contamination, toxicity and bioavailability.

Environment international·2006

Same author

Natural variation in a metallothionein-like protein in Tubifex tubifex in the absence of metal exposure.

Ecotoxicology and environmental safety·2004

Same author

Uptake and depuration of cadmium, nickel, and lead in laboratory-exposed Tubifex tubifex and corresponding changes in the concentration of a metallothionein-like protein.

Environmental toxicology and chemistry·2004

Same author

Toxicity of copper-spiked sediments to Tubifex tubifex (Oligochaeta, Tubificidae): a comparison of the 28-day reproductive bioassay with a 6-month cohort experiment.

Aquatic toxicology (Amsterdam, Netherlands)·2003

Search research articles

Related Experiment Video

Updated: Jul 8, 2025

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Published on: April 28, 2023

Can datasets from long-term biomonitoring programs detect climate change effects on stream benthos?

Robert C Bailey¹, Trefor B Reynoldson¹

¹Ontario Tech University, Faculty of Science, Oshawa, Ontario, Canada.

Science Progress

|December 18, 2023

Summary

Long-term monitoring of British Columbia stream ecosystems did not clearly detect climate change effects. Sampling effort, not temporal trends, primarily influenced diversity, suggesting current methods need improvement for climate change detection.

Keywords:

Climate change benthic invertebrates bioassessment biomonitoring reference condition approach stream ecosystems temporal variability

More Related Videos

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

Related Experiment Videos

Last Updated: Jul 8, 2025

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Published on: April 28, 2023

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

Area of Science:

Ecology
Environmental Science
Climate Change Research

Background:

Long-term monitoring programs are crucial for understanding environmental changes.
Detecting climate change impacts on aquatic ecosystems is a global scientific priority.
British Columbia's diverse stream ecosystems provide valuable case studies.

Purpose of the Study:

To assess the efficacy of existing monitoring programs in detecting climate change effects on British Columbia stream ecosystems.
To identify limitations in current sampling designs and protocols for climate change impact assessment.
To propose recommendations for improving future monitoring strategies.

Main Methods:

Analysis of long-term ecological datasets from four British Columbia regions: Fraser River Basin, BC North Coast, Columbia River Basin, and Vancouver Island.
Examination of trends in alpha diversity and community structure over specified monitoring periods (1994-2021).
Application of Reference Condition Approach predictive modeling to define faunally similar site groups.

Main Results:

Alpha diversity trends varied across regions, with increases in Fraser River and Vancouver Island, a decrease on the BC North Coast, and modest increases in the Columbia River Basin.
Diversity patterns were predominantly driven by sampling effort rather than temporal climate change trends.
Few site groups (3/21) and reference sites (1/15) showed directional community changes or potential climate change responses.

Conclusions:

Current monitoring programs in British Columbia streams face challenges in clearly detecting climate change effects.
Factors such as the magnitude of climate change effects relative to other stressors, insufficient monitoring duration, and inadequate sampling design limit detection.
Recommendations include annual resampling of reference sites, detailed environmental and human impact analyses, and advanced benthic community characterization (e.g., eDNA).