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Invasive Species Collected:
Acanthophora spicifera (Vahl) Børgesen
Cladophora vagabunda (L.) Hoek
Colpomenia sinuosa (Mert. ex Roth) Derbès & Solier
Dictyosphaeria cavernosa (Forssk.) Børgesen
Enteromorpha flexuosa (Wulfen) J.Agardh
Gracilaria salicornia (C.Agardh)
Hypnea musciformis (Wulfen) J.V.Lamour.
Hypnea spinella (C.Agardh) Kütz.
Turbinaria ornata (Turner) J.Agardh
Ulva fasciata Delile
Ulva reticulata Forssk.
All Species Collected:
Acanthophora spicifera
Acrochaetium seriatum
Aglaothamnion boergesenii
Aglaothamnion cordatum
Amphiroa beauvoisii
Amphiroa valonioides
Anotrichium secundum
Anotrichium tenue
Asparagopsis taxiformis
Botryocladia skottsbergii
Bryopsis hypnoides
Caulerpa racemosa var. numularia
Caulerpa racemosa var. peltata
Caulerpella ambigua
Centroceras clavulatum
Ceramium aduncum
Ceramium cingulum
Ceramium clarionensis
Ceramium codii
Ceramium dumosertum
Ceramium fimbriatum
Ceramium flaccidum
Ceramium tranquillum
Chaetomorpha aerea
Chaetomorpha antennina
Champia parvula
Chondracanthus acicularis
Chondria dangeardii
Chondria minutula
Chondria polyrhiza
Chrysymenia okamurae
Cladophora herpestica
Cladophora luxurians
Cladophora vagabunda
Codium arabicum
Codium edule
Colpomenia sinuosa
Dasya murrayana
Dictyopteris australis
Dictyopteris delicatula
Dictyopteris plagiogramma
Dictyopteris repens
Dictyosphaeria cavernosa
Dictyosphaeria versluysii
Dictyota acutiloba
Dictyota ceylanica
Dictyota friabilis
Dictyota sandvicensis
Enteromorpha clathrata
Enteromorpha flexuosa
Falkenbergia hillebrandii
Gelidiella machrisiana
Gelidiopsis intricata
Gelidiopsis scoparia
Gelidiopsis variabilis
Gelidium pusillum
Gracilaria
Gracilaria coronopifolia
Gracilaria salicornia
Griffithsia heteromorpha
Griffithsia schousboei
Halimeda discoidea
Herposiphonia crassa
Herposiphonia delicatula
Herposiphonia nuda
Herposiphonia parca
Hypnea cervicornis
Hypnea chordacea
Hypnea musciformis
Hypnea pannosa
Hypnea spinella
Hypneocolax stellaris
Hypneocolax stellaris f. orientalis
Jania adhaerens
Jania pumila
Laurencia brachyclados
Laurencia dotyi
Laurencia galtsoffii
Laurencia majuscula
Liagora perennis
Lobophora variegata
Lomentaria hakodatensis
Lyngbya majuscula
Melanamansia glomerata
Mesothamnion caribaeum
Microdictyon setchellianum
Neomeris annulata
Neosiphonia flaccidissima
Neosiphonia sphaerocarpa
Ossiella pacifica
Padina australis
Padina sanctae-crucis
Peyssonnelia inamoena
Peyssonnelia rubra
Phormidium
Plocamium sandvicense
Polysiphonia
Polysiphonia delicatula
Polysiphonia scopulorum
Portieria hornemannii
Pterocladiella caerulescens
Pterocladiella caloglossoides
Pterocladiella capillacea
Rhipidosiphon javensis
Rivulariaceae
Rosenvingea intricata
Sargassum obtusifolium
Sargassum polyphyllum
Sphacelaria novae-hollandiae
Sphacelaria rigidula
Stromatella monostromatica
Stypopodium hawaiiensis
Symploca
Taenioma perpusillum
Tolypiocladia glomerulata
Tricleocarpa fragilis
Turbinaria ornata
Ululania stellata
Ulva fasciata
Ulva reticulata
Ulvella setchellii
Valonia aegagropila
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Description:
Shelf reef extending ca. 240 meters from the Natatorium wall. Depth varies from 0.5m to 4m. Wave action is stronger on the outer reef, where waves reach over two meters in height, while the near shore area is calmer and more protected. The presence of channels devoid of coral growth that run perpendicular to the shore is associated with underwater springs. Natural springs and urban run-off are the main sources of freshwater in the Waikiki area. The relative abundance of the green genus Ulva sp suggests a high freshwater input. Sport yachts anchor on the outer reef.
Freshwater
Inputs:
Turbidity:
Nutrients:
Collection
Dates: 03.Apr.2000; 09Aug.2000; 15.Dec.2000; 04.Apr.2001
Samples:
Samples were collected along an E-W transect from the Natatorium wall, and another 100m transect perpendicular to the wall. Gracilaria salicornia, Ulva reticulata and Ulva fasciata dominate the inner reef area. The former continues to expand exponentially as result of fragmentation by pedestrian traffic.
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