Ecological Archives E086-125-A1

Susan L. Williams and Megan N. Dethier. 2005. High and dry: variation in net photosynthesis of the intertidal seaweed Fucus gardneri. Ecology 86:2373–2379.

Appendix A. A map of study sites on San Juan Island, Washington, and tables describing physical conditions.

 
   FIG. A1. A map of sites around San Juan Island, Washington, USA. Abbreviations are: CCN (Colins Cove North), CPN (Cattle Point North), CCS (Cattle Point South), DH (Davison Head), FHL (Friday Harbor Laboratories), HH (Hannah Heights), LK (Lime Kiln), PC (Point Caution), PHE (Pump House East), PHW (Pump House West), RTN (Rueben Tarte North), RTS (rueben Tarte South), SJC (San Juna County), and WIL (Willows Point).

TABLE A1. Study site latitude and longitude in degrees and decimal.minutes acquired with a Global Positioning System using World Geodetic System 84 datum.

Site

North

West

CCN

48o 32.906

123o 00.393

CCS

48o 32.910

123o 00.397

CPN

48o 27.120

122o 57.714

CPS

48o 27.120

122o 57.714

DH

48o 37.335

123o 09.158

HH

48o 29.477

123o 06.773

LK

48o 31.001

123o 09.149

PC

48o 35.779

122o 41.462

PHE

48o 32.757

123o 00.478

PHW

48o 32.767

123o 00.498

RTN

48o 36.782

123o 05.917

RTS

48o 36.752

123o 05.858

SJC

48o 32.589

123o 09.683

WIL

48o 32.800

123o 00.448


TABLE A2. Descriptions of physical characteristics of study sites on San Juan Island, Washington. Tidal height survyed relative to predicted Mean Lower Low Water. Aspect refers to magnetic compass heading.

Site

Tidal height
(m above MLLW)

Wave exposure

Aspect

Slope
(degrees)

Morning sun

 

High

Mid

   
 

CCN

1.6

0.9

low

NNW

22

low

CCS

1.6

1.1

fairly low

E

15

high

CPN

1.6

0.8

fairly high

NE

15

moderate

CPS

1.7

1.0

fairly high

SW

30

moderate

DH

1.4

0.7

fairly low

WSW

30

moderate

HH

1.7

0.9

fairly high

ENE

15

moderate

LK

1.8

1.1

fairly high

NE

20

low

PC

1.4

0.6

moderate

NNW

20

low

PHE

1.3

0.6

low

SSW

25

moderate

PHW

1.5

0.7

low

S

20

moderate

RTN

1.6

1.1

moderate

E

30

high

RTS

1.5

0.7

moderate

SE

30

high

SJC

1.8

1.1

moderate

NW

25

low

WIL

1.1

0.4

fairly low

SE

25

high



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