island of kaua'i

hanalei bay-north end

Table 1.  Information regarding site characteristics and alien species abundances. The  number recorded for each alien species of algae is a ranking of the abundance of that species at each given site. Impact ranking values range from 0 (not present) to 10 (100% cover). 

KAUAI SITES

DATE

LAT

LONG

SIDE OF ISLAND

SITE TYPE

Hanalei Bay

5-Apr-00

22° 12.508" N

159° 31.005" W

North

Large Bay-Protected

FRESH WATER

SHORE ACTIVITY

Acanthophora spicifera

Hypnea musciformis

Gracilaria salicornia

DEPTH Surveyed

Several Streams

Various/Residential/Resort

0

0

0

0-10 ft.

SALINITY

TEMP.

AREA SURVEYED

HABITAT TYPES

INVASIVE SPP?

32 o/oo

23.2°C

200x100 meters

Sand with limestone and Basalt Outcroppings

none

Table 2.  Species list of all of the algal samples that were collected at this site. Alien species are displayed in green.  

Species

Hanalei Bay

CHLOROPHYTA

Caulerpa taxifolia

X

Dictyosphaeria versluysii

X

Halimeda discoidea

X

Pseudobryopsis oahuensis

X

Ventricaria ventricosa

X

PHAEOPHYTA

Chnoospora minima

X

Colpomenia sinuosa

X

Dictyopteris plagiogramma

X

Dictyota divaricata

X

Dictyota friabilis

X

Padina japonica

X

Rosenvingea intricata

X

RHODOPHYTA

Actinotrichia fragilis

X

Gracilaria sp.

X

Gracilaria abbottiana

X

Grateloupia phuquocensis

X

Hypnea cervicornis

X

Jania adherens

X

Jania micrarthroidea

X

Laurencia majuscula

X

Laurencia mcdermidae

X

Laurencia nidifica

X

Liagora sp. 1

X

Liagora sp. 2

X

Liagora sp. 3

X

Potrieria hornemanii

X

Rhodymenia leptophylla

X

Spyridia filamentosa

X

Trichleocarpa intricata

X

Wrangelia elegantissima

X

Wrangelia sp.

X

Table 3.  Species list and relative abundance of herbivores at this location.

Hanalei Bay

density: individuals/m2

T. duperry

0.038217

T. duperry juv.

0.025478

A. nigrofuscus

0.025478

A. abdominalis

0.012739