Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Marine Microbial Ecology01:30

Marine Microbial Ecology

52
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...
52
Microbes and Climate Change01:27

Microbes and Climate Change

63
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
63
Deep Sea Microbial Ecology01:18

Deep Sea Microbial Ecology

45
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...
45
Microenvironments01:22

Microenvironments

38
Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
38
Microbial Interactions: Competition01:26

Microbial Interactions: Competition

71
Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...
71
Factors Influencing Microbial Growth: Temperature01:27

Factors Influencing Microbial Growth: Temperature

2.1K
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
2.1K

You might also read

Related Articles

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

Sort by
Same author

Siphonous green macroalgae with contrasting capacities for the energy-dependent quenching, qE, rely on different photoprotective mechanisms.

Photosynthesis research·2026
Same author

Commercial aquaculture of marine ornamental fishes disproportionately targets demersal spawners with simple husbandry requirements.

Journal of fish biology·2026
Same author

Thermal limits of estuarine amphipods and their implications for aquaculture production.

Marine environmental research·2026
Same author

Impact of Menopausal Status on Bone Metabolism and Body Composition After Metabolic-Bariatric Surgery: a Two-Year Prospective Study in Middle-Aged Women.

Obesity surgery·2026
Same author

Local host fish-<i>Anisakis</i> spp. parasite lipid interplay: A lipidomic characterization of <i>Anisakis</i> larvae and parasitized tissue of its host fish, the European hake (<i>Merluccius merluccius</i>).

Food and waterborne parasitology·2026
Same author

Criteria for the Characterization of Seafood Byproducts to Allow Tracing Their Geographic Origin.

Foods (Basel, Switzerland)·2026

Related Experiment Video

Updated: Apr 14, 2026

Physiological Characterization of the Coral Holobiont Using a New Micro-Respirometry Tool
04:22

Physiological Characterization of the Coral Holobiont Using a New Micro-Respirometry Tool

Published on: April 28, 2023

1.6K

Effects of elevated temperature and CO2 on intertidal microphytobenthos.

Paulo Cartaxana1, Sónia Vieira2,3, Lourenço Ribeiro4

  • 1Department of Biology, Marine Biological Section, University of Copenhagen, Strandpromenaden 5, DK-3000, Helsingør, Denmark. Paulo.Cartaxana@bio.ku.dk.

BMC Ecology
|April 19, 2015
PubMed
Summary

Elevated temperature harms microphytobenthos (MPB) biomass and photosynthesis, while CO2 benefits it only at lower temperatures. Combined effects may negatively impact coastal ecosystem services.

More Related Videos

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations
10:11

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations

Published on: August 3, 2016

10.5K
Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures
09:38

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

Published on: January 7, 2019

9.3K

Related Experiment Videos

Last Updated: Apr 14, 2026

Physiological Characterization of the Coral Holobiont Using a New Micro-Respirometry Tool
04:22

Physiological Characterization of the Coral Holobiont Using a New Micro-Respirometry Tool

Published on: April 28, 2023

1.6K
The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations
10:11

The Benthic Exchange of O2, N2 and Dissolved Nutrients Using Small Core Incubations

Published on: August 3, 2016

10.5K
Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures
09:38

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

Published on: January 7, 2019

9.3K

Area of Science:

  • Marine Ecology
  • Climate Change Biology
  • Benthic Ecology

Background:

  • Microphytobenthos (MPB) are key primary producers in coastal ecosystems.
  • Coastal environments face threats from anthropogenic activities and climate change.
  • Limited knowledge exists on climate change impacts on MPB communities.

Purpose of the Study:

  • To investigate the effects of elevated temperature and CO2 on intertidal MPB.
  • To assess changes in MPB biomass, species composition, and photosynthetic performance.
  • To understand the interactive effects of these climate change variables.

Main Methods:

  • Utilized a flow-through experimental life support system.
  • Manipulated temperature and CO2 levels.
  • Monitored MPB biomass, species composition, and photosynthetic activity.

Main Results:

  • Elevated temperature reduced MPB biomass and photosynthetic performance.
  • Temperature shifts altered MPB community structure, favoring cyanobacteria and specific diatom species.
  • Elevated CO2 increased MPB biomass only at lower temperatures, potentially by alleviating carbon limitation.
  • No significant CO2 effect was observed on the relative abundance of major microalgal groups.

Conclusions:

  • The combined effects of elevated temperature and CO2 may detrimentally impact intertidal MPB.
  • Changes in MPB communities could affect associated ecosystem services.
  • Further research is needed to fully understand these complex interactions.