Read more about the article Alien polychaete drives major change in Zandvlei estuary
Ficopomatus enigmaticus forms large reefs that consist of dense networks of calcareous tubes. These networks of tubes change the physical environment, providing habitat, food and a substratum for associated organisms. (Photo credits: Charles Griffiths)

Alien polychaete drives major change in Zandvlei estuary

C·I·B researcher, Charles Griffiths, is a co-author on a recently-published study that shows major changes in the invertebrate community of a small, urban estuary resulting from the proliferation of alien reef-building worms, Ficopomatus enigmaticus.

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Read more about the article Cryptic diversity alerts to the challenges in distinguishing between invasive and native populations
Larva of the species Pyura herdmani from Langebaan lagoon, South Africa. The arrow indicates the position of the notochord within the tail. Photograph: Marc Rius

Cryptic diversity alerts to the challenges in distinguishing between invasive and native populations

The poorly resolved taxonomy of many organisms represents a major obstacle to correctly identifying them as being either native or introduced. This is because several groups are only known to a handful of experts.

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