
Table 1. Macroalgae introduced to O?ahu since 1950 (after Russell 1992).

    Species     O?ahu      Date      Origin      Success     Product   Competition?
                locale                                       Value?
                Pearl
 Acanthophora   Harbor    after                  highly                  Laurencia
   spicifera    and/or     1950       Guam     successful     none         spp.
               Waikiki

 Avrainvillea    Koko     after       West                               many reef
   amadelpha    Head,      1981     Pacific?   successful     none        spps ?
               Kahe Pt
   Dictyota    Barber's
  flabellata    Point       ?      California       ?         none           ?
               Honolulu
   Eucheuma    Harbor,     from                    not        kappa
 denticulatum  Kane?ohe  10/70 to Philippines  successful  carrageenan    unknown
                 Bay    late 1976

  E. isiforme  Kane?ohe    1/74     Florida        no         iota         none
                 Bay                                       carrageenan

  Gracilaria  Waikiki &            Big Island
 epihippisora  Kane'ohe 4/71 9/78  (Hawai'i)    marginal      agar        unknown
                 Bay
      G.       Kane'ohe    mid
 eucheumoides    Bay      1970's  Philippines    unknown   carrageenan    unknown
              Waikiki &
 G. salicornia Kane?ohe 4/71 9/78  Big Island    highly       agar       many reef
                 Bay               (Hawai'i)   successful                   spp
               Kane?ohe                                    carrageenan
 G. tikvahiae   Bay &      mid      Florida    successful     fresh       unknown
                Kahuku    1970's                             produce
  Gracilaria   Honolulu
      sp.       Harbor     1971   Philippines    unknown   carrageenan    unknown
    Hypnea     Kane?ohe                          highly       kappa      many reef
  musciformis    Bay       1/74     Florida    successful  carrageenan      spp
               Honolulu
  Kappaphycus  Harbor &  9/74 to                              kappa
   alvarezii   Kane?ohe  late1976 Philippines  successful  carrageenan    unknown
                 Bay
               Honolulu
  K. striatum  Harbor &  8/70 to  Pohnpei and  successful     kappa       unknown
               Kane?ohe  late1976 Philippines              carrageenan
                 Bay

 Lola lubrica  Makapu?u    1976    California      no         none         none
               & Kahuku

  Macrocystis  Makapu?u    1972                           Abalone food
   pyrifera   & Keahole   1980's   California      no      ; alginates     none
                  Pt
  Nemacystus
   decipiens   Waikiki    1950's    unknown    successful     none        unknown
   Pilinella   Makapu'u
  californica   Kahuku     1976    California      no         none         none
 Porphyra sp.   O'ahu    unknown     Japan       unknown      nori        unknown
   Wrangelia   Kane'ohe
  bicuspidata    Bay       1974     unknown    successful     none        unknown



