The benthic ecology and community structure in Lyttelton Harbour ...

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FIGURE 17 A schematic representation of the communit and proposed continuum derived from Fager's r~current groups analysis
Qphiomyxa brevirima I N ectocarcinus I Platynereis australis \ \ \ \ I I I \ I \ I / Pontophilis australis hirti2es Virgularia gracillima plebejus I I Asterina I ~~-~~ / / Sepioloidea' pacifica \ / \ \ / / \ \ \ I I I I I fusiformis tenuis I / / Nucula hartvigiana I / I,' / Achelia variabilis / / I I , / / / Maoriomactra ordinaria I / / \ / / / ~ ~ / ..,. Austromitra rubiqinosum \ /. ./ Zeacolpus yittatus Pectinaria antipoda Trochus tiara tus Myadora striata Q strea heffordi Halicarcinus whitei Siga2atella novaezelandiae
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THE BENTHIC ECOLOGY AND COM~UNITY S
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Figure LIST OF FIGURES 1 Lyttelton
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Figure 15~12 The distribution of Mi
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Table LIST OF TABLES Follo'V!ing Pa
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SECTION ,SECTION S8CTION ? • 9..
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1. SECTION 1 LYTTELTON HARBOUR; GEN
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FIGURE 1. Lyttelton Harbour relativ
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The,choppy seas produced by these t
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Mt. Evans 4
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FIGURE 3. Annual ranges of temperat
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, ::l", This contras ts sharply w
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1 MLW 0 1 2 3 4 5 transect 1. U) w
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MLWO - -.-- 1 2 3 4 5 transect 3. 6
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FIGURE 6. Map of Lyttelton Harbour
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very deep water studies where the s
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9. are shown in FigG 7. The numbers
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1000 100 CI:IJ epib. sl/ I 'orange
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11. boat was stopped and sled lower
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13. 1.9 Analysis of the data One of
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15. 2.2 Sediment sources Three majo
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17. is particularly apparent ar6und
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N ~ ~ MUDDY SAND PREDOMINANTLY MUD
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FIGURE 9. Directions and, speeds in
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FIGURE 10. Graphical representation
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eference to Fig.10 shows that a ~ur
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o = - L092 diameter. mm Phi (
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22. Where the range is small with a
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FIGURE 12. Regression relating mean
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of the sediment. and organic carbon
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100 80 I 12 60 40 20 o I- 100 Z W 8
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100 80 k14 k 8 60 40 20 0 ~ 100 Z W
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100 80 9 20 i 19 60 40 20 o I- 100
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100 80 h6 i4 60 40 20 b I- 100 Z w
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100 80 9 28 j 24 60 40 I-- 20 o I-
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100 80 100 9 22 80 h 21 60 60 40 40
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100 80 22 22 - 60 _ r-- 40 _ - 20 t
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26. 25 0 C are commqn. There is fre
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28. Crossaster iaponicus Al1ostich~
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10. t Pont Ius australis (Thompson,
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32. 2 or 3 animals thic~ with a bio
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FIGURE; 14. Composition of fauna in
Page 84 and 85: 34. alga. disappears before the opp
Page 86 and 87: 35. The normal inhabitants of the m
Page 88 and 89: Pontophilus austral is Vi rgularia
Page 90 and 91: 37. (3) Chion~ stutchbutyi (Fig 15.
Page 92 and 93: Chione stutchburyi ) Myodora st ri~
Page 94 and 95: FIG 15.5 The distribut~on Lyttelton
Page 96 and 97: 39. ex~ent of"2 or 3 ~er square met
Page 98 and 99: Ha lie arc i nus w hit e i Austromi
Page 100 and 101: The distribution of LytteltonHarbou
Page 102 and 103: 41. channel and a very dense growth
Page 104 and 105: Sepiola pacifica M icrelenchus hut
Page 106 and 107: 43. (13)' Zege~erus tenuis (Fi~ 15.
Page 108 and 109: Zegelerus tenuis Maoricol pus roseu
Page 110 and 111: FIG 15.15 The distribution of Achel
Page 112 and 113: I}S. (18) Hemiplax hirtipes (Pig 15
Page 114 and 115: Xymene plebejus Hemiplax hirtipes
Page 116 and 117: Trochus tiaratus Aste rina regul ar
Page 118 and 119: FIG 15.21 The distribution of Nucul
Page 120 and 121: to the more normal figure of 3 to 4
Page 122 and 123: Ostrea heffordi Nectocarcinus a nt
Page 124 and 125: 49. have been found packed with Pon
Page 126 and 127: 51. SECTION 4 COMMUNITIES 4.1 Intro
Page 128 and 129: 53. communities. among workers The
Page 130 and 131: 55. 4.4- . Fager'~ recurrent groups
Page 132 and 133: FIGURE 16 A trell diagram drawn fro
Page 136 and 137: 57. their ranges were not en~irely
Page 138 and 139: 59. analysis had shown that there w
Page 140 and 141: 60. mud and mudd~ regions and basic
Page 142 and 143: 61. difference in the discrirrinati
Page 144 and 145: 30 ,- o Z 20 T=" o o ~ . 10 ...J o
Page 146 and 147: 30 M. 20 o Z -,... o )( - . 10 ..J
Page 148 and 149: 63. SECTION 5 DISCUSSION 5.1 The si
Page 150 and 151: 65. situation must extent over the
Page 152 and 153: 67. The third grouping as disclosed
Page 154 and 155: 69. lY1aor:icolpus being filled by
Page 156 and 157: Atrina zelandica. There is some r~s
Page 158 and 159: 73. 5.4 The continuum related to th
Page 160 and 161: 75. 5.5 Human activities influencin
Page 162 and 163: 77. sed iments I.rJcre explained an
Page 164 and 165: 7f) REFcnENCES Braun Blanquet'J J o
Page 166 and 167: 81 of San Pedro Basin, Southern Cal
Page 168 and 169: 83 Piper, C .. S., 1947: Soil pIa n
Page 170 and 171: Wiesser, W., 1960: Benthic studies
Page 172 and 173: APPENDIX (1) Sediment analysis (1)
Page 174 and 175: iii APPENDIX (2) Organic Analysis T
Page 176 and 177: v l~rroL"s Present In many sediment
Page 178 and 179: ,: i \ SITE DISrt~RSION S l\ F." J
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The benthic ecology and community structure in Lyttelton Harbour ...

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