. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ENERGETICS OF LARVAL SWIMMING AND METAMORPHOSIS 351 Table 1 Comparison, for four species of Bugula, of elemental caihun and nitrogen eontenl in newl\ released (</ h) lan'ae and in lumie that had been swimming for 24 h Carbon (ng/larva) Nitrogen (ng/larva) Species 1 h 24 h A C 1 h 24 h A N B. stolonifera Trial 1 (n = 3, 3) 212 ± 21 120 ± 14 -92 47 ± 05 29 ± 03 -18 Trial 2(n = 3, 6) 225 ± OS 181 ± 06 -44 52 ± 03 50 ± 01 -2* Trial 3 (H = 2, 1 )' 152 ± 12 106 ± — -46 34 ±03 24 ± — -10 Trial 4 <;i = 4, 4) 185 ± 05 126 ± 12
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ENERGETICS OF LARVAL SWIMMING AND METAMORPHOSIS 351 Table 1 Comparison, for four species of Bugula, of elemental caihun and nitrogen eontenl in newl\ released (</ h) lan'ae and in lumie that had been swimming for 24 h Carbon (ng/larva) Nitrogen (ng/larva) Species 1 h 24 h A C 1 h 24 h A N B. stolonifera Trial 1 (n = 3, 3) 212 ± 21 120 ± 14 -92 47 ± 05 29 ± 03 -18 Trial 2(n = 3, 6) 225 ± OS 181 ± 06 -44 52 ± 03 50 ± 01 -2* Trial 3 (H = 2, 1 )' 152 ± 12 106 ± — -46 34 ±03 24 ± — -10 Trial 4 <;i = 4, 4) 185 ± 05 126 ± 12 -60 44 ±02 29 ± 03 -15 Mean of trials 194 ± 16 134 ± 16 -60 ± 10 44 ±04 33 ± 06 - 1 1 ±04 B. simplex Trial 1 (;i = 4, 5) 430 ± 24 358 ± 16 -72 82 ± 03 67 ± 03 -15 Trial 2 (n = 4, 5) 416 ± 34 345 ± 19 -71 85 ± 07 70 ± 04 -15 Trial 3 (n = 2, 2) 394 ± 05 282 ± 08 -112 77 ± 02 54 ± 01 -23 Mean of trials 413 ± 11 329 ± 23 -85 ± 14 81 ± 03 64 ± 05 -17 ± 03 B. turnta Trial 1 (n = 4, 4) 611 ± 25 503 ± 33 -IDS 122 ± 05 103 ± 06 -18 Trial 2 (H = 4, 6) 543 ± 09 484 ± 15 -59 10S ± 03 100 ± 03 -8* Trial 3 (H = 4. 4) 527 ± 14 431 ± 25 -96 105 ±03 87 ± 05 -18 Trial 4 (n = 4, 4) 626 ± 28 542 ± 10 -84 124 ± 06 111 ± 03 -13 Mean of trials 577 ± 24 490 ± 23 -87 ± 11 115 ± 5 100 ± 05 -14 ± 03 B. neritina Trial 1 (« = 1, 5)' 1334 ± — 1 209 ± 32 -125 270 -t- 242 ± 07 -28 Trial 2 </i = 4, 4) 1340 ± 52 1 207 ± 12 -133 238 ± 10 237 ± 04 -1* Trial 3 (n = 4, 41 1333 ± 54 1215 ± 34 -118 250 ± 07 237 ± 08 -14* Trial 4 (H = 4, 2) 1245 ± 32 1129 ± 19 -116 238 ± 08 222 ± 15 -15* Mean of trials 1313 ± 03 1190 ± 03 -123 ± 04 249 ± 08 234 ± 05 -15 ± 03* Values are means plus or minus 1 standard error. Each replicate sample contained about 100 larvae: n represents the number of replicates for newly hatched larvae (1 h) and for larvae that had swum lor 24 h (24 h). Carbon was significantly less in 24-h larvae in every tria
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
