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Related Concept Videos

Marine Microbial Ecology01:30

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 Ecology01:18

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 extending beyond...
Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a pivotal role in the...
Conservation of Declining Populations02:07

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.
What is Biodiversity?01:19

What is Biodiversity?

Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.
Freshwater Microbial Ecology01:24

Freshwater Microbial Ecology

Freshwater systems such as streams, rivers, and lakes exhibit distinct physical and biological characteristics that influence their microbial communities. These environments are broadly categorized into lotic systems—those with flowing waters like streams and most rivers—and lentic systems, which include still or slow-moving waters such as lakes, ponds, and marshes.In lentic systems, phytoplankton drive primary production, generating autochthonous organic carbon. In contrast, lotic systems...

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Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
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Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

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Making marine life count: a new baseline for policy.

Meryl J Williams1, Jesse Ausubel, Ian Poiner

  • 1Scientific Steering Committee, Census of Marine Life, 17 Agnew Street, Aspley, Qld, 4034 Australia. MerylJWilliams@gmail.com

Plos Biology
|November 5, 2010
PubMed
Summary

The Census of Marine Life advances ocean biodiversity discovery and tracking, supporting global conservation efforts and marine environmental planning for a healthier planet.

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Area of Science:

  • Marine biology
  • Oceanography
  • Biodiversity science

Background:

  • The Convention on Biological Diversity requires ongoing assessment of marine ecosystems.
  • Effective marine environmental planning necessitates accurate biodiversity data.
  • Understanding ocean life is crucial for global ecological balance.

Purpose of the Study:

  • To highlight the role of the Census of Marine Life in supporting international biodiversity agreements.
  • To showcase the capabilities of the Census of Marine Life in discovering and monitoring marine species.
  • To demonstrate how the Census of Marine Life informs marine environmental planning.

Main Methods:

  • Comprehensive global surveys and taxonomic research.
  • Development of standardized monitoring protocols.
  • Data synthesis and accessibility platforms.

Main Results:

  • Significant advancements in cataloging marine species and their distributions.
  • Identification of key biodiversity hotspots and vulnerable ecosystems.
  • Establishment of a foundational dataset for marine ecosystem assessment.

Conclusions:

  • The Census of Marine Life provides essential data for the Convention on Biological Diversity.
  • Continuous monitoring of ocean biodiversity is vital for effective conservation.
  • The initiative supports informed marine environmental management and policy.