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

Marine Microbial Ecology

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...

Deep Sea Microbial Ecology

Deep Sea Microbial Ecology

The deep ocean and its underlying sediments represent vast, largely unexplored microbial habitats that extend far beyond the sunlit photic zone. The photic (euphotic) zone typically spans the upper ~100–200 meters of pelagic waters in the open ocean, but its depth varies geographically and seasonally, where sufficient light supports photosynthetic life. Below this lies the deep sea, spanning roughly 1000–6000 meters (bathypelagic to abyssal zones), with deeper hadal trenches...

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.

Conservation of Declining Populations

Conservation of Declining Populations

Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.

You might also read

Related Articles

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

Sort by

Same author

Transboundary pathways of Dinophysis acuta in the Iberian upwelling system using biophysical modeling.

Marine pollution bulletin·2026

Same author

Air-water CO<sub>2</sub> exchange in transformed saltmarshes for different uses and under various management models.

Journal of environmental management·2025

Same author

Author Correction: Long-term trends of pH, alkalinity, and hydrogen ion concentration in an upwelling-dominated coastal ecosystem: Ría de Vigo, NW Spain.

Scientific reports·2025

Same author

Can a single coastal tide gauge help predict internal solitary wave activity offshore.

Scientific reports·2025

Same author

Coupled echosounder and Doppler profiler measurements in the Strait of Gibraltar.

Scientific reports·2024

Same author

Long-term trends of pH, alkalinity, and hydrogen ion concentration in an upwelling-dominated coastal ecosystem: Ría de Vigo, NW Spain.

Scientific reports·2024

Search research articles

Related Experiment Video

Updated: Mar 29, 2026

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Published on: July 28, 2023

Trends of pH decrease in the Mediterranean Sea through high frequency observational data: indication of ocean

Susana Flecha¹, Fiz F Pérez², Jesús García-Lafuente³

¹Instituto de Ciencias Marinas de Andalucía, (CSIC), Polígono Río San Pedro, s/n, 11519, Puerto Real, Cádiz, Spain.

Scientific Reports

|November 27, 2015

Summary

Ocean acidification is confirmed in the Mediterranean Sea, with pH declining annually by -0.0044. Continuous monitoring reveals this trend in key water masses, highlighting ongoing chemical changes impacting marine ecosystems.

More Related Videos

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

Published on: August 1, 2018

Related Experiment Videos

Last Updated: Mar 29, 2026

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Published on: July 28, 2023

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

Published on: August 1, 2018

Area of Science:

Marine chemistry
Oceanography
Environmental science

Background:

Oceans absorb a significant portion of anthropogenic carbon dioxide (CO2), leading to ocean acidification (OA).
Accurate detection of seawater pH change is crucial for assessing OA's impact on marine ecosystems.

Purpose of the Study:

To document the rate of seawater pH change in the Mediterranean Sea.
To investigate pH trends in distinct Mediterranean water masses.

Main Methods:

Continuous pH measurements over nearly 3 years at the Strait of Gibraltar GIFT time series station.
Modeling of Mediterranean outflow pH data to differentiate water masses.

Main Results:

A significant decreasing annual trend of -0.0044 ± 0.00006 in Mediterranean Sea pH was observed.
Both Levantine Intermediate Water (LIW) and Western Mediterranean Deep Water (WMDW) showed declining pH.
The WMDW exhibited a particularly notable decline in pH over time.

Conclusions:

The observed pH decline serves as a clear indicator of ongoing ocean acidification in the Mediterranean basin.
Differences in pH trends between LIW and WMDW suggest varying biogeochemical processes and transit times influence their acidification rates.