Zooplankton feeding by corals underestimated
Research by marine biologists from Wageningen University has shown that feeding on zooplankton by scleractinian corals has been greatly underestimated.
Research by marine biologists from Wageningen University has shown that feeding on zooplankton by scleractinian corals has been greatly underestimated.
Scientists from Taiwan and Israel have found that octocorals are important reef builders. This exciting discovery makes us rethink the very nature of coral reefs.
Epizoic coral flatworms have been found to compete with their coral host for zooplankton. This finding is in agreement with the theory that symbiotic coral flatworms are parasitic.
Small polyped stony corals are often believed to simply rely on strong lighting and dissolved nutrients. But even these corals capture significant amounts of plankton.
| A call to action |
| Written by Tim Wijgerde |
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Coral reefs serve a tremendous ecological and economic purpose. They provide life for thousands of fish and invertebrate species, provide food and income for hundreds of millions of people and protect coastlines against storms. It is estimated that coral reefs worldwide have an annual value of more than $300 billion. Image: Coral reefs support a vast array of marine species, including anemones and clownfish. Would you want to lose these unique animals? (photograph: Hans Leijnse). Due to human causes, coral reefs are under great threat. High levels of carbon dioxide in the atmosphere can produce a lethal combination of warmer seawater and lower pH. Moreover, pollution, overfishing and habitat destruction are wreaking havoc amongst these fragile ecosystems. According to scientists, it is not too late. By cutting back CO2-emissions, decreasing reef overfishing, protecting herbivores which keep the reef clean from algae, establishing Marine Protected Areas and working together we can halt the global decline of coral reefs. Sign the Call to Action petition now, and give your support to this important mission! References: Dodge, R.E. et al., 2008. A Call to Action for Coral Reefs, Science 332:189-190 |