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- 1.1. Forest – Boreal
- 1.2. Forest - Subarctic
- 1.4. Forest – Temperate
- 1.5. Forest – Subtropical/tropical dry
- 1.7. Forest – Subtropical/tropical mangrove vegetation above high tide level
- 14.1. Artificial - Terrestrial – Arable Land
- 14.2. Artificial - Terrestrial – Pastureland
- 14.3. Artificial - Terrestrial – Plantations
- 14.4. Artificial - Terrestrial – Rural Gardens
- 14.5. Artificial - Terrestrial – Urban Areas
- 14.6. Artificial - Terrestrial – Subtropical/Tropical Heavily Degraded Former Forest
- 3.4. Shrubland –Temperate
- 3.5. Shrubland – Subtropical/tropical dry
- 3.6. Shrubland – Subtropical/tropical moist
- 3.7. Shrubland – Subtropical/tropical high altitude
- 3.8. Shrubland – Mediterranean-type shrubby vegetation
- 4.1. Grassland – Tundra
- 4.2. Grassland – Subarctic
- 4.3. Grassland – Subantarctic
- 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
Since rats both feed on, and disperse the seed of invasive species, the control of both invasive plants and mammals is linked closely. Rats not only feed on guava, but they occasionally pith twigs of Mexican thorn in the lowlands and take their seed. It is not known whether the seeds are destroyed in this process, so a dispersal role has yet to be demonstrated. However, many other species are probably successfully dispersed, including blackberry and raspberry, two favoured food sources at higher altitudes. (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; Pressel, S., Matcham, H., Supple, C. & Duckett, J. (2014) Desert Island Delights: the Bryophytes of Ascension Island, Field Bryology, (112), November;