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- 14.5. Artificial - Terrestrial – Urban Areas
- 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
The succulent leaves provide a food and moisture source for sheep during dry periods, thus encouraging them to forage in barren areas where they may sometimes have an adverse effect on native plants, and spread further seeds and propagules on their coats and in dung. (Lambdon, P. & Darlow, A. (2008) Botanical Survey of Ascension Island and St. Helena 2008. RSPB);
Pagad S, Wong L J (2022). Global Register of Introduced and Invasive Species Ascension Island, Saint Helena, Ascension and Tristan da Cunha. Version 1.4. Invasive Species Specialist Group ISSG. Checklist dataset https://doi.org/10.15468/vijxee; Lambdon, P. & Darlow, A. (2008) Botanical Survey of Ascension Island and St. Helena 2008. RSPB;