BIOGEOGRAPHY AND ECOLOGY IN NEW ZEALAND MONOGRAPHIAE BIOLOGICAE Editor J. ILLIES Schlitz VOLUME 27 DR. W. JUNK b.v. PUBLISHERS THE HAGUE 1975 BIOGEOGRAPHY AND ECOLOGY IN NEW ZEALAND Edited by G. KUSCHEL Auckland DR. W. JUNK h.v. PUBLISHERS THE HAGUE 1975 ISBN -13 :978-94-010-1943-9 e-ISBN -13 :978-94-010-1941-5 DOl: 10.1007/978-94-010-1941-5 © 1975 by Dr. W. Junk b.v., Publishers, The Hague Softcover reprint of the hardcover 1st edition 1975 Cover Design: Max Velthuijs, The Hague Zuid-Nederlandsche Drukkerij N.V., 's-Hertogenbosch CONTENTS Authors' Addresses VI Chapters' Contents VII Introduction . XV I. The Geological History of New Zealand and its Biota 1 II. The Climate 87 III. The Distribution and Properties of Soils, and their Biota 139 IV. Flora and Vegetation 177 V. The Amphibians, Reptiles, Birds and Mammals 231 VI. The Freshwater Fishes 277 VII. The Kiwi. 301 VIII. The Tuatara 331 IX. The Marine Benthic Ecology and Biogeography 353 X. The Limnology . 405 XI. The Land Snail Fauna. 459 XII. The Spiders and Harvestmen 493 XIII. The Terrestrial Insects . 507 XIV. The Freshwater Insects 537 XV. The Insects in Relation to Plants. 561 XVI. Adaptation and Change in Maori Culture. 591 XVII. The Influence of Man on the Biota. 643 Genera Index 663 Subject Index 681 AUTHORS' ADDRESSES P. C. BULL, Ecology Division, Department of Scientific and Industrial Research, Lower Hutt, New Zealand F. M. CLlMO, National Museum, Wellington, New Zealand ]. D. COULTER, New Zealand Meteorological Service, Wellington, New Zealand I. G. CROOK, New Zealand Wildlife Service, Department of Internal Affairs, Welling ton, New Zealand J. S. DUGDALE, Entomology Division, Department of Scientific and Industrial Research, Auckland, New Zealand C. A. FLEMING, New Zealand Geological Survey, Department of Scientific and Indus trial Research, Lower Hutt, New Zealand R. R. FORSTER, Otago Museum, Dunedin, New Zealand E. ]. GODLEY, Botany Division, Department of Scientific and Industrial Research, Christchurch, New Zealand R. C. GREEN, Department of Anthropology, University of Auckland, Auckland, New Zealand G. A. KNOX, Department of Zoology, University of Canterbury, Christchurch, New Zealand R. M. McDOWALL, Fisheries Research Division, Ministry of Agriculture and Fisheries, Wellington, New Zealand I. D. McLELLAN, P.O. Box 95, Westport, New Zealand B. REID, New Zealand Wildlife Service, Department of Internal Affairs, Wellington, New Zealand Q. W. RUSCOE, Soil Bureau, Department of Scientific and Industrial Research, Lower Hutt, New Zealand ]. T. SALMON, Zoology Department, Victoria University, Wellington, New Zealand V. M. STOUT, Department of Zoology, University of Canterbury, Christchurch, New Zealand J. C. WATT, Entomology Division, Department of Scientific and Industrial Research, Auckland, New Zealand A. H. WHITAKER, Ecology Division, Department of Scientific and Industrial Research, Lower Hutt, New Zealand G. R. WILLIAMS, New Zealand Wildlife Service, Department of Internal Affairs, Wellington, New Zealand CHAPTERS'CONTENTS I. The geological history of New Zealand and its biota by C. A. FLEMING • • . . . . . 1 Bathymetry and structure . . . . 1 New Zealand and Gondwanaland 3 Early Paleozoic . . . . . . 4 The New Zealand geosyncline 5 Permian biogeography . 6 Triassic ........ 7 Lower Jurassic (Liassic) 10 Middle and Upper Jurassic 11 The Rangitata orogeny and the disruption of Gondwana- land . . . 15 Cretaceous 18 Cenozoic . 25 Paleocene 28 Eocene. . 30 Oligocene 33 Lower Miocene 36 Middle and Upper Miocene . 41 Pliocene . . . . 46 Early Pleistocene ..... 49 Late Pleistocene . . . . . . 52 Conditions during Glacial stages 56 Origin of alpine biota . . . . 58 Interglacial climates . . . . . 64 Post-Glacial (Holocene) history 64 The coming of man . . . . . 68 Biogeographic elements . . . . 69 The fossil records and its defects 72 Attempt at biogeographic synthesis 76 Epilogue . . . . . 77 Acknowledgements . 80 References 80 Postscript. . . . . 86 II. The climate by J. D. CauL TER . 87 The broad-scale atmospheric environment of New Zealand 87 Energy balance . . . . . . . . . . . . . 87 Wind circulation and barometric pressure patterns . . . . .. 88 VII Temperature of the air at sea level. . . . . 89 Temperature in the upper air . . . . . . . 90 Large scale transient features of the circulation. 91 Small scale disturbances, weather distribution . 92 Meteorological situations . . . . . . . . 93 Elements of the surface climate of New Zealand 99 General . . . . . . . . 99 Solar radiation and sunshine 101 Sunshine duration . . . 102 Riflectivity, net radiation 103 Precipitation . . . . . 103 Variability of precipitation 106 Evaporation and evapotranspiration, water balance and agricultural drought . . . . . . . . . 107 Snow.......... 115 Relative humidity, dew and fog 115 Surface wind . 11 7 Air temperature . . . . . . 119 Frost . . . . . . . . . . 124 Visibility, air pollution, atmospheric chemistry 125 Long term climate fluctuations and trends 127 Mountain and local clirr.ates and microclimates 130 Bioclimatology in New Zealand . . . . 132 Climate and the distribution of plants. . . . 132 Climate and agricultural and forest productivity 133 Aerial transport of organisms. . . . . 134 Fungal disease, animal health and climate 134 Weather catastrophes 135 Conclusion . . . 136 Acknowledgement 136 References . . . 136 III. The distribution and properties of soils, and their biota by Q. W. RUSCOE . . . . . . . . . . 139 Introduction. . . . . . . . . . . . . . . . 139 Distribution and properties of New Zealand soils 140 Brown-gr~y earths . 143 Yellow-gr~ earths ......... 144 Yellow-brown earths . . . . . . . . . 145 Podzolised yellow-brown earths and podzols . 147 Gl~ podzols . . . . . . . . 148 Rendzinas and rendzic intergrades 149 Yellow-brown sands . . 149 Yellow-brown pumice soils 149 Yellow-brown loams . . 150 VIII Red and brown loams, and brown granular loams and clays. 151 Organic soils 153 Gley soils . . 154 Recent soils 154 Steepland soils. 155 Plants nutrients in New Zealand soils. 156 The changing soil . . 158 Influence of the Maori . . . . . . . . 158 Influence of the European. . . . . . . . 159 Distribution and ecology of the soil biota 163 The microf lora . 163 The microfauna 170 The macrofauna . 17 2 Acknowledgements . 172 References . . . . 17 2 IV. Flora and vegetation by E. J. GODLEY 177 Introduction. . . . . . 177 Relationships of the flora 183 Life forms and leaves . 183 Flowers and fruits 191 Coastal plants 195 The forests . . . 198 General ..... 198 Conifer mixed-hardwood forests 202 Beech forests . . . . . 207 Exotic conifer forests . . 210 Scrub and timberline. 211 The grasslands 213 General . . . . . . 213 Short-tussock grassland 213 Tall-tussock grassland 215 Non-indigenous grasslands 219 Swamps and bogs 219 Alpine vegetation . 220 Adventive plants 222 The outlying islands 222 Acknowledgements . 224 References . . . . 224 V. The amphibians, reptiles, birds and mammals by P. C. BULL & A. H. WHITAKER. 231 Introduction. . 231 The amphibians 232 The reptiles. . 236 IX Composition oj the reptile jauna . . 236 Endemic reptiles oj special interest . 236 Origin oj the New Zealand lizards 237 Evolutionary trends within the New Zealand region. 239 Distribution and ecology oj New Zealand lizards 244 The birds ........ . 248 Composition oj the avifauna. . . 248 Endemic birds oj special interest . 250 Origins oj the avifauna . . . . 257 Evolutionary trends within the New Zealand region. 261 Distribution and ecology oj New Zealand birds 264 The mammals. . . . . . . . 267 Composition oj the mammal jauna . . . . . 267 Endemic mammals oj special interest . . . . 268 Distribution and ecology oj New Zealand mammals 269 Recent changes in the vertebrate fauna 269 Acknowledgements. 274 Addenda. 274 References 274 VI. The freshwater fishes by R. M. McDow ALL & A. H. 277 WHITAKER ... Introduction. . . . . 277 Family Geotriidae . . 277 Family Retropinnidae 278 Family Prototroctidae. 280 Family Galaxiidae . . 281 Family Anguillidae 287 Family Pleuronectidae 288 Family Eleotridae . . 288 Family Mugiloididae . 290 Food of the freshwater fishes 291 A zoogeographic synthesis. 292 Ecological zoogeography 292 Historical zoogeograpky 293 References . . . . 297 VII. The kiwi by B. REID & G. R. WILLIAMS 301 Introduction. 301 Discovery. 301 Description . 302 Calls. . . . 303 Classification and the geographical distribution of races 303 Evolution and affinities . . . 307 Ratites and their relationships . . . . . . . . . . . . 313 x