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VacuSIP, an Improved InEx Method for In Situ Measurement of Particulate and Dissolved Compounds Processed by Active Suspension Feeders
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Global conservation status of sponges
James J Bell1, Emily McGrath, Andrew Biggerstaff
1School of Biological Sciences, Victoria University of Wellington, P.O. Box 600, Wellington, 6140, New Zealand. james.bell@vuw.ac.nz.
Summary
Most sponge species globally do not appear to be threatened. However, limited data exists for many species, highlighting a critical information gap for assessing the conservation status of these vital marine and freshwater invertebrates.
Area of Science:
- Marine biology
- Ecology
- Conservation science
Background:
- Sponges are crucial for marine and freshwater benthic ecosystem health.
- Global conservation status assessments for sponges are lacking.
- Research effort on sponges is unevenly distributed globally.
Purpose of the Study:
- To assess the global conservation status of sponges.
- To identify data gaps in sponge research and conservation.
Main Methods:
- Reviewed research effort distribution.
- Analyzed temporal population trends.
- Examined threatened species listings.
- Assessed impacts of environmental pressures.
Main Results:
- Sponge research is concentrated in specific regions (e.g., NE Atlantic, Mediterranean, N. America).
- Some sponge populations increased, often linked to other species' declines.
- Only 20 marine sponge species are listed as threatened.
- Environmental impact studies show variable responses and data gaps for freshwater species.
Conclusions:
- Most sponge species are not globally threatened based on current data.
- Significant information gaps exist regarding anthropogenic impacts on most species.
- Further research is essential to accurately determine sponge conservation status.
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