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HISTORICAL (PRIOR TO THIS STUDY) DATA ON ALIEN ALGAL SPECIES DISTRIBUTION
Figure 1. The graph below summarizes historical information from the Bishop Museum's database on the distribution and abundance of alien species of algae in the state of Hawaii, previous to this study.
historical data and new records
Table 1. The table below displays information regarding the date and island of introduction, the number of islands the plants are currently found, and any new records found during this study.
| species | date of introduction | island 1st found | number of islands | this study- new Island records |
| Acanthophora spicifera | after 1950 | Oahu | Hawaii, Maui, Molokai, Lanai, Kahoolawe, Oahu, Kauai | * |
| Eucheuma denticulatum | 1970 | Oahu | Oahu | * |
| Kappaphycus striatum | 1970 | Oahu | Oahu | * |
| Gracilaria salicornia | 1971 | Oahu | Oahu, Hawaii, Molokai | Molokai |
| Hypnea musciformis | 1974 | Oahu | Maui, Molokai, Lanai, Oahu, Kauai, Necker, Maro Reef | Kauai |
| Kappaphycus alvarezii | 1974 | Oahu | Oahu | * |
| Avrianvillea amadelpha | 1981 | Oahu | Oahu | Kauai |
ALIEN SPECIES HOMEPAGES
alien algae
Homepages pages
Table 2. Historical and current data obtained during surveys conducted in 1999-2000.
Click on a species name below to open up pages showing current distribution and abundance data obtained during this study.
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Acanthophora
spicifera
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Eucheuma
denticulatum
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Kappaphycus
spp.
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Gracilaria
salicornia
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Hypnea
musciformis
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Avrainvillea
amadelpha
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