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Marine Microbial Ecology01:30

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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...

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Updated: Jun 25, 2026

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time
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Methods to estimate marine functional connectivity: A primer.

Anna M Sturrock1, Susanne E Tanner2, Sophie Arnaud-Haond3

  • 1School of Life Sciences, University of Essex, Essex, UK.

Ecological Applications : a Publication of the Ecological Society of America
|June 24, 2026
PubMed
Summary
This summary is machine-generated.

Understanding organism movement and marine functional connectivity (MFC) is crucial for ecosystem health. This study provides a roadmap to estimate MFC using diverse methods, aiding conservation and management strategies.

Keywords:
bioinvasionsdispersalecological modelingfisheries managementgeneticsmarine protected areasmigrationmovementotolith chemistrytagging

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Area of Science:

  • Marine ecology
  • Oceanography
  • Conservation biology

Background:

  • Organism movement drives essential ecological processes like gene flow and energy transfer, collectively known as marine functional connectivity (MFC).
  • Accurate estimation of MFC is vital for addressing environmental changes, overexploitation, habitat loss, and invasive species, but ocean inaccessibility and small organism sizes pose challenges.

Purpose of the Study:

  • To provide a methodological roadmap for estimating organism movement and marine functional connectivity (MFC).
  • To guide researchers and stakeholders in understanding, utilizing, and integrating various tools for MFC assessment.
  • To review ancillary and emerging methods and present case studies for practical applications.

Main Methods:

  • Tagging and telemetry for tracking organism movement.
  • Analysis of chemical markers in biological tissues.
  • Genetic analyses to infer population connectivity.
  • Numerical modeling to simulate dispersal patterns.

Main Results:

  • The study outlines the strengths, weaknesses, and spatiotemporal resolution of different MFC estimation methods.
  • Case studies demonstrate successful application of integrated methods in marine protected area design, global change prediction, and fisheries management.
  • Methodological innovations are highlighted to advance future MFC research.

Conclusions:

  • A comprehensive understanding and integration of diverse methods are essential for accurate MFC estimation.
  • Effective MFC assessment supports crucial applications such as marine conservation, climate change impact prediction, and sustainable fisheries management.
  • Future innovations promise to significantly enhance the field of marine functional connectivity research.