Hawaiian tropical low shrublands
Tropical savanna ecoregion of the Hawaiian Islands in the United States From Wikipedia, the free encyclopedia
The Hawaiian tropical low shrublands are a tropical savanna ecoregion in the Hawaiian Islands.
| Hawaiian tropical low shrublands | |
|---|---|
 | |
| Ecology | |
| Realm | Oceanian |
| Biome | Tropical and subtropical grasslands, savannas, and shrublands |
| Borders | Hawaiian tropical dry forests[1] |
| Geography | |
| Area | 1,500 km2 (580 sq mi) |
| Country | United States |
| State | Hawaii |
| Climate type | Tropical savanna (Aw) |
| Conservation | |
| Conservation status | Critical/Endangered[2] |
| Global 200 | No[3] |
| Protected | 0 km² (0%)[4] |
Geography
These shrublands cover an area of 1,500 km2 (580 sq mi) in the leeward lowlands of the main islands and most of the smaller islands, not including the Northwestern Hawaiian Islands which form an ecoregion of their own.
Flora
The ecoregion includes both grasslands and mixed shrublands. Kāwelu (Eragrostis variabilis), mauʻu ʻakiʻaki (Fimbristylis cymosa), ʻakiʻaki (Sporobolus virginicus), and Lepturus repens are common grassland plants. Shrublands are dominated by ʻilima (Sida fallax), ʻaʻaliʻi (Dodonaea viscosa), naupaka (Scaevola spp.), hinahina kū kahakai (Heliotropium anomalum var. argenteum), kīpūkai (Heliotropium curassavicum), maʻo (Gossypium tomentosum), ʻakoko (Euphorbia spp.), ʻāheahea (Chenopodium oahuense), naio (Myoporum sandwicense), kolokolo kahakai (Vitex rotundifolia), and pūkiawe (Styphelia tameiameiae).[2] More than 90% of the plant species found in this ecoregion are endemic, including ʻōhai (Sesbania tomentosa),[5] ʻāwiwi (Schenkia sebaeoides), and wahine noho kula (Isodendrion pyrifolium).[6]
Protected areas
Protected areas that cover part of the ecoregion include Koko Head District Park, Diamond Head, Mākua Kea'au Forest Reserve, Ka'ena Point State Park, and Kuaokala Forest Reserve on Oahu.
See also
External links
- "Hawaiian tropical low shrublands". Terrestrial Ecoregions. World Wildlife Fund.
References
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