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Table 1 Geographical coordinates, coastal descriptions, proximal rivers, and distance to river mouths, for eight locations on Okinawa Island, Ryukyu Islands, Japan

From: Palythoa zoanthid 'barrens’ in Okinawa: examination of possible environmental causes

Location name

Geographical coordinates

Coastal description

River name and mouth coordinates

Distance to river mouth (m)

Oku

26°50′53.16″N, 128°17′14.45″E

Rice paddy fields nearby

Oku River 26°50′28.92″N, 128°17′31.68″E

1,040

Bise

26°42′39.73″N, 127°52′52.45″E

Upwelling current, near paddy fields to north

Inoha River 26°39′38.94″N, 127°53′49.46″ E

7,025

Manza

26°30′8.99″N, 127°50′33.91″E

Rice paddy fields nearby

River from two dams 26°29′56.45″N, 127°51′19.38″E

1,835

Toguchi

26°21′45.92″N, 127°44′12.51″E

Built-up residential area

Hija River 26°21′45.59″N, 127°44′26.98′E

400

Mizugama

26°21′35.17″N, 127°44′18.88″E

Built-up residential area

Hija River 26°21′45.59″N, 127°44′26.98″E

390

Sunabe

26°19′53.01″N, 127°44′31.79″E

Built-up residential area

Small stream 26°20′22.55″N, 127°44′49.74″E

1,125

Convention Center

26°17′4.87″N, 127°44′26.74″E

Taro paddy fields nearby

Small stream from paddy fields

1,355

Makiminato

26°16′30.40″N, 127°42′51.93″E

Adjacent to shrimp aquaculture

Minato-gawa River 26°16′15.88″N, 127°42′40.20″E

680