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

Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

95
Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
95
Diversity of Protists III01:27

Diversity of Protists III

2.1K
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
2.1K
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
Bioplastics01:27

Bioplastics

50
Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
50
Plasticizers01:31

Plasticizers

466
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
466
Primary Production01:06

Primary Production

26.1K
The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
26.1K

You might also read

Related Articles

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

Sort by
Same author

Oxygen Minimum Zone and Organic Carbon Structure Benthic Prokaryotic Communities and Metabolism in Warm Deep-Red Sea Sediments.

Microorganisms·2026
Same author

A global map of seagrass ecosystems.

Nature·2026
Same author

Underestimated microplastics in sea turtles: Implications of a 200 μm detection limit for ingestion monitoring.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

The V-ATPase/ATG16L1 axis drives membrane remodeling during epithelial morphogenesis.

Nature communications·2026
Same author

Identifying marine climate refugia to advance climate-smart conservation.

Trends in ecology & evolution·2026
Same author

Polyp size predicts metabolic rates across diverse tropical coral species.

Communications biology·2026

Related Experiment Video

Updated: Apr 15, 2026

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.8K

Plastic accumulation in the Mediterranean sea.

Andrés Cózar1, Marina Sanz-Martín2, Elisa Martí1

  • 1Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Campus de Excelencia Internacional del Mar, E-11510, Puerto Real, Spain.

Plos One
|April 2, 2015
PubMed
Summary

The Mediterranean Sea is a significant plastic debris accumulation zone, with plastic densities comparable to ocean gyres. This highlights the urgent need to address plastic pollution in this vital marine ecosystem.

More Related Videos

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
10:16

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

51.4K
Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
10:12

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis

Published on: July 1, 2017

12.3K

Related Experiment Videos

Last Updated: Apr 15, 2026

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.8K
Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
10:16

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

51.4K
Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
10:12

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis

Published on: July 1, 2017

12.3K

Area of Science:

  • Marine Biology
  • Environmental Science
  • Oceanography

Background:

  • The Mediterranean Sea is a semi-enclosed basin with high human population density and economic activity.
  • Plastic debris poses a significant threat to marine ecosystems and human health globally.
  • Understanding plastic accumulation patterns is crucial for effective environmental management.

Purpose of the Study:

  • To determine if the Mediterranean Sea functions as a major plastic debris accumulation region.
  • To compare plastic concentrations in the Mediterranean with established oceanic accumulation zones.
  • To investigate the characteristics and potential sources of plastic pollution in the Mediterranean.

Main Methods:

  • Systematic sampling of floating plastic debris across various sites in the Mediterranean Sea.
  • Quantification of plastic item density and frequency of occurrence.
  • Analysis of plastic debris size distribution and comparison with oceanic gyres.

Main Results:

  • The Mediterranean Sea exhibits an average plastic density of 1 item per 4 m², with 100% occurrence across all sampled sites.
  • Plastic concentrations are comparable to subtropical ocean gyres, indicating significant accumulation.
  • Mediterranean plastic debris includes a higher proportion of large items than oceanic gyres, suggesting proximity to pollution sources.
  • Estimated total floating plastic in the Mediterranean ranges from 1,000 to 3,000 tons.

Conclusions:

  • The Mediterranean Sea is confirmed as a major plastic accumulation region due to high human pressure and unique basin hydrodynamics.
  • The prevalence of larger plastic items points to direct and significant pollution inputs.
  • The high plastic load poses considerable risks to the Mediterranean's rich biodiversity and economic activities.