Ecological Archives E086-145-A1

Heather M. Leslie. 2005. Positive intraspecific effects trump negative effects in high-density barnacle aggregations. Ecology 86:2716–2725.

Appendix A. A table showing settlement plate specifications.

TABLE A1. Settlement plate specifications. 100-cm2 pitted settlement plates were used to manipulate density of the barnacle B. glandula. Pits were approximately 1 mm in diameter and 0.3 mm deep, and were drilled in regular arrays using a computer-controlled drilling machine.

Density level
No. pits per 100 cm2
Spacing among the pits (cm)
     
Lowest
16
2
Low
81
1
High
340
0.5
Highest
1360
0.25



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