A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...

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Figure 5.8. DIFFERENT PHENOTYPES OF D . ANTARCTICA AND D. WILLANA. (a) Three thonged form D. antarctica from First Slope Tautuku. Rule is 0.3 m long. (b) Cape form D. antarotica from semisheltered channel on First Slope, Tautuku. (c) Thonged and cape form D. antarctica at Haumuri Bluff, Kaikoura coast. Thonged specimen fratn outermost rocks, cape form specimen from channel rUnning parallel to the shore. (d) Cape form and thonged form D. wiZZzna at Haumuri Bluff. Spade handle is 1 m long. (e) YOill1g cape form D. wilZana (L) and D. antarctica (R). Note the development of lateral laminae on the D. willana stipe. Specimens from sheltered channel Haumuri Bluff.
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A BIOLOGICAL STODY OF AN'JlARCTICA
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j i "The seas: CCl1l1(2: running in
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v CHAPlEt( 7 8 9 10 t\ PPE ND ICES
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vii Fot' theil' effol"ts to obi;ain
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CHAPTER INTRODUCTION I acid and its
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1 CHAPTER TWO MATERIALS AND METHODS
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(c) Standing crop Nas measured as w
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7 the primary blade broke off. Furt
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9 four sites: Areas 5b and 6b at 'f
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1 t the rock surface. Area E (1 x 2
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13 ____ ~ __ 2_._2 Scale of concept
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15 added to the top of the tube. Th
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In addition, dai records of sea sta
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19 The series of low ridges absorbs
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Figure 2.1. LOCATION OF PRINCIPAL S
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Figur.e 2.3. TAU'l'UKU STODY AREA.
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T fine cracks D
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'to J ~" FMAMJ ASONDJ ASONDJ FMAMJ
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27 CH/\P A TAXONOMIC AND NOMENCI ..
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29 (i) Hol,dfast The external morph
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31 {c} The basic cellular arrangeme
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3.1 J03 TYPIFICATION (1) DUX'viUaea
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35 commanded on a scie:ntlfic voyag
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37 recently as 1921 (Cockayne 1921)
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stipe (less than 5 em long) and a h
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41 A TeD spccimclI annotated on the
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43 cortex (Figs 3.3a and 3.4e). Oth
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45 and states, "SaY'cophYCU8 simple
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47 holdfast,
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49 Table 3.1 Differences between Du
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51 General distribution: The Chatha
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53 7 ~) (a) Stipitate lateral lamin
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(a) Laminaria po~oidea in the Lamou
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of D. Hook.fil. 1845. TCD .3 in (c)
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LAMINA SECTIONS OF HERBARIUM SPECIM
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=.at.:;;;.;;;:.,;;;;....:....;,., .
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(b) (c) (d) SECTIONS THROUGH THE ME
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II I J c d
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f end of lamina or differentiated m
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66 that DurvilZaea extends several
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613 numerous narrow channels. On th
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70 from IVJLWS to a level between t
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72 within 0,3-0.5 m of the band. Th
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74 Some growing on crevices on the
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76 level of stl/ards of D. ar/"l;ar
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78
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80 algae except for those in crevic
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82 (d) Australia: D. potatoY'UflJ i
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84 d~stribution at species, winter
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86 several thousand miles. It is li
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80 (cl D. antarctica extends no nor
Page 114 and 115: 90 The most southern tip of South A
Page 116 and 117: 92 islands. On Kerguelen and Crozet
Page 119: Figure 4.2. D. ANTARCTICA AT HEARD
Page 122 and 123: d e
Page 124 and 125: ~I 50
Page 126 and 127: WORLD DISTRIBUTION OF DlIRVILLAl!:A
Page 128 and 129: Figure 4.6. DISTRIBUTION OF D. ANTA
Page 130 and 131: 50 45 /" b WATER LOSS /0 EXPESSED A
Page 132 and 133: 102 In almost all the composite hol
Page 134 and 135: 104 confined to the merist.oderm, t
Page 136 and 137: 106 longe:r.: than D. anta:.r'ctica
Page 138 and 139: 108 This is not the only way that l
Page 140 and 141: 110 (iii) Cape form (Figs.3.9a,b: 5
Page 142 and 143: of antarctica across a 9 Sa 8 7 10
Page 144 and 145: 114 'rable 5,3 Measurements of D. a
Page 146 and 147: 116 Subsequent reg~neration of shor
Page 148 and 149: 118 at the entran.ce to l-'Iilford
Page 150 and 151: 120 with increasing latitude. The i
Page 152 and 153: 1mm
Page 154 and 155: t lOO,AU".
Page 156 and 157: 30-60mins 2
Page 158: J I em IDem J ] 10 em ] IOcm 3-4 we
Page 161 and 162: f
Page 163: CJ) -0 I\) Q.. 60 50 Q 3 40 ~ ....
Page 168: Figure .5.10. AERIAL PHOTOGRAPH OF
Page 172: Fi9:ur~ S .12. (a) The effect of fi
Page 175 and 176: A (wave force v. strong) "I. n :: 2
Page 177 and 178: E v
Page 179 and 180: 136 the darker granula.r protoplast
Page 181 and 182: 138 Conceptacles first appea.t in s
Page 183 and 184: 140 6" 4 ENVIRONMENTAL FACTORS POSS
Page 185 and 186: 142 (b) The exposure experiment: Ou
Page 187 and 188: 141 Al though lim i ted by the fae
Page 189 and 190: of ostiole ]
Page 191 and 192: 100 Tal.ltukll Bo 40 100 Yalutllku
Page 193 and 194: 148 Table 7.1 Range of stipe length
Page 195 and 196: 150 holes of Oaro spec imens after
Page 197 and 198: 152 Table 7.4 lncrease in the lengt
Page 199 and 200: 154 analyses. Difficulties in taggi
Page 201 and 202: 156 (f) Regeneration: Nei ther spec
Page 203 and 204: 15S of the Ohau but these were easi
Page 205 and 206: 160 (b) At Parititahi, 80% of the t
Page 207 and 208: Figure 7.1. RELATIONSHIP BETWEEN PL
Page 209 and 210: Figure 7.2. HOLE PUNCHING EXPERIMEN
Page 211 and 212: Figure 7.4. HOLE PUNClHNG EXPERIMEN
Page 213 and 214: Figure 7.5. GROWTH OF MARK.ED D. AN
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Figure 7.7. GROWTH OF MARKED D. ANT
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Fi9uxe 7 .9. GROW~ OF MARKED D. ANT
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Figure 7 .ll. UNDERSTOREY D. census
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Figure 7.13. GROWTH OF D. ANTARCTIC
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A: Small c: Entire MORTALITY OF MAR
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, , Mean number of marked D. SEASON
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174 CHAPTER EIGHT POPULATION STUDIE
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176 seasonal pattern of grolJlth an
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178 2 MeasuY@ments of standing crop
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180 The two crop measurements obtai
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50 .40 30 20 10 2 3 4 5 TOTAL LEN 6
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30 Area 6, utuku 27 Feb'73 20 n '"
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30 28 26 Standing 24_ c rap as 22 k
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185 CHAPTE!~ NINE EXPERIMENTAL ~MOV
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1B7 KEY -- R Rare. List of flora as
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189 Almost ~lediately after D. anta
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191 areal, but this was to be expec
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193 9.3 Small recolonising D. visib
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195 plants in adjacent control area
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197 holdfasts and those which \tler
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was heavily colonised~ On Area 7, f
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201 9 . 6 SUMMARY OF RESOLTS D. ant
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7 D
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,.. , ~ 3.5 - . . Mean . length ..
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12 10 Mean 8 fit 6 weight .4 x 100g
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Stipe length & Stipe 2 l' Ime ( mar
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12 3 24 3 N" ., J' 1 1",, _____ < .
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Stipe as a % of total wgt. Slipe wg
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d=I099/m 2 2\ Odober' 72 w IJj 0:::
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'-,0 :
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212 CHAPTER TEN DISCUSSION 10.1 SPE
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214 of unknown nature, and by the p
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216 half of ·the s uprali ttoral f
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218 Attempts to cross ... fertilise
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220 growth rate. D. anta~cti~a plan
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222 and fo:t· many of them; the wo
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224 than at Ohau Point where it is
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Nave force inside the OhC!m Point c
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V~riation in ~tanding crop with wav
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230 10.9 Recolonisation by D. antar
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232 kilometres of shore, or alterna
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234 but it is a.lmost an underestim
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~jb minimum age of a plant.. age. T
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238 t.hen a longer. interval betwee
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240 REFERENCES CITED Adams, N.M. (1
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242 Chamberlain, Y.M. (1965). Marin
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244 Fritsch, F.E. (1959) 0 The st~o
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246 Kawashima, S. (1972). A study o
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248 Lindauer, V.W'1 Chapman, V,J, a
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250 Parke, N. (1949). Studies on Br
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252 Suhr, J.N. von (1836), Beitrag
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254 APPENDIX ONE SEA SURFACE TEMPER
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256 APPENDIX ONE (CONTINUED) DATE M
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258 APPENDIX TWO (48) Puysegur Pt.
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260 APPENDIX THREE (CONTINUED) from
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.; .; 262 APPENDIX FIVE LIST OF D,
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A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...

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