1. Effects of the starfish Patiria miniata on the distribution of the sea urchin Lytechinus anamesus in a southern Californian kelp forest

   • Stephen C. Schroeter
   • John Dixon
   • Jon Kastendiek

   Original Papers Pages: 141 - 147

2. Water use physiologies of co-occurring goldenrods (Solidago juncea and S. canadensis): Implications for natural distributions

   • M. A. Potvin
   • P. A. Werner

   Original Papers Pages: 148 - 152

3. Population studies of fruit flies (Diptera: Tephritidae) in south-east Queensland

   • R. A. I. Drew
   • G. H. S. Hooper

   Original Papers Pages: 153 - 159

4. Mineral nutrition and leaf longevity in Ledum palustre: the role of individual nutrients and the timing of leaf mortality

   • Gaius R. Shaver

   Original Papers Pages: 160 - 165

5. The cost of reproduction in a freshwater copepod

   • Brian P. Feifarek
   • Grace A. Wyngaard
   • J. David Allan

   Original Papers Pages: 166 - 168

6. The apparent diet of predators and biases due to different handling times of their prey

   • P. G. Fairweather
   • A. J. Underwood

   Original Papers Pages: 169 - 179

7. Effects of flooding on leaf litter decomposition in microcosms

   • Frank P. Day Jr.

   Original Papers Pages: 180 - 184

8. Effects of cold stress during pupal diapause on the survival and development of Mamestra configurata (Lepidoptera: Noctuidae)

   • W. J. Turnock
   • R. J. Lamb
   • R. P. Bodnaryk

   Original Papers Pages: 185 - 192

9. Mineral nutrition and water relations of hemiparasitic mistletoes: a question of partitioning. Experiments with Loranthus europaeus on Quercus petraea and Quercus robur

   • G. Glatzel

   Original Papers Pages: 193 - 201

10. Experimental analyses of the structure and dynamics of mid-shore rocky intertidal communities in New South Wales

    • A. J. Underwood
    • E. J. Denley
    • M. J. Moran

    Original Papers Pages: 202 - 219

11. Trophic diversity, niche breadth and generation times of exopterygote insects in a secondary succession

    • V. K. Brown
    • T. R. E. Southwood

    Original Papers Pages: 220 - 225

12. Influence of vegetation on acoustic properties of soils

    • L. A. M. van der Heijden
    • V. Claessen
    • N. de Cock

    Original Papers Pages: 226 - 233

13. Analyzing insect movement as a correlated random walk

    • P. M. Kareiva
    • N. Shigesada

    Original Papers Pages: 234 - 238

14. Occurrence of calcium oxalate in karri (Eucalyptus diversicolor F. Muell.) forest ecosystems of south western Australia

    • A. M. O'Connell
    • N. Malajczuk
    • V. Gailitis

    Original Papers Pages: 239 - 244

15. Food switching by two specialized algae-scraping cichlid fishes in Lake Malawi, Africa

    • Kenneth R. McKaye
    • Alan Marsh

    Original Papers Pages: 245 - 248

16. Small scale spatial heterogeneity influences predation success in an unexpected way: Model experiments on the functional response of predatory mites (Acarina)

    • Heinrich Kaiser

    Original Papers Pages: 249 - 256

17. The role of adult feeding in egg production and population dynamics of the checkerspot butterfly Euphydryas editha

    • Dennis D. Murphy
    • Alan E. Launer
    • Paul R. Ehrlich

    Original Papers Pages: 257 - 263

18. Foraging strategy of a mantid, Paratenodera angustipennis S.: Mechanisms of switching tactics between ambush and active search

    • Tamiji Inoue
    • Toshiaki Marsura

    Original Papers Pages: 264 - 271

19. Life cycle of lithobiidae — with a discussion of the r-and K-selection theory

    • Anke M. Albert

    Original Papers Pages: 272 - 279

20. Estimation of oxygen consumption of lithobiid field populations from laboratory measurements

    • Anke M. Albert

    Original Papers Pages: 280 - 291

21. Energy budgets for populations of long-lived arthropod predators (Chilopoda: Lithobiidae) in an old beech forest

    • Anke M. Albert

    Original Papers Pages: 292 - 305

22. Influences of prey density on fecundity in a mantis, Paratenodera angustipennis (S.)

    • Toshiaki Matsura
    • Kiyomi Morooka

    Original Papers Pages: 306 - 312

23. Foraging by Passerine birds and Anolis lizards on St. Eustatius (Neth. Antilles): implications for interclass competition, and predation

    • Stephen C. Adolph
    • Jonathan Roughgarden

    Original Papers Pages: 313 - 317

24. Life history studies of the Lesser Snow Goose (Anser caerulescens caerulescens)

    • Robert F. Rockwell
    • C. Scott Findlay
    • Fred Cooke

    Original Papers Pages: 318 - 322

25. The coevolution of Euphydryas chalcedona butterflies and their larval host plants

    • K. S. Williams
    • D. E. Lincoln
    • P. R. Ehrlich

    Original Papers Pages: 323 - 329

26. The coevolution of Euphydryas chalcedona butterflies and their larval host plants

    • K. S. Williams
    • D. E. Lincoln
    • P. R. Ehrlich

    Original Papers Pages: 330 - 335

27. The coevolution of Euphydryas chalcedona butterflies and their larval host plants

    • K. S. Williams

    Original Papers Pages: 336 - 340

28. Allocating leaf nitrogen for the maximization of carbon gain: Leaf age as a control on the allocation program

    • C. Field

    Original Papers Pages: 341 - 347

29. Leaf age and seasonal effects on light, water, and nitrogen use efficiency in a California shrub

    • C. Field
    • H. A. Mooney

    Original Papers Pages: 348 - 355

30. The efficacy of dispersal in relation to safe site density

    • Douglas S. Green

    Original Papers Pages: 356 - 358

31. Site-fidelity, longevity, and population dynamics of broad-tailed hummingbirds: a ten year study

    • William A. Calder III
    • Nickolas M. Waser
    • Sarah Miller

    Original Papers Pages: 359 - 364

32. Estimates of N₂-fixation from variation in the natural abundance of ¹⁵N in Sonoran desert ecosystems

    • G. Shearer
    • D. H. Kohl
    • P. W. Rundel

    Original Papers Pages: 365 - 373

33. Limited photosynthetic plasticity in Sedum pulchellum Michx.

    • Thomas L. Smith
    • William G. Eickmeier

    Original Papers Pages: 374 - 380

34. A neighbourhood approach to self-thinning

    • A. R. Watkinson
    • W. M. Lonsdale
    • L. G. Firbank

    Original Papers Pages: 381 - 384

35. The influence of annual precipitation, topography, and vegetative cover on soil moisture and summer drought in southern California

    • P. C. Miller
    • D. K. Poole

    Original Papers Pages: 385 - 391

36. Seasonal progression of plant water relations in fynbos in the western Cape Province, South Africa

    • P. C. Miller
    • J. M. Miller
    • P. M. Miller

    Original Papers Pages: 392 - 396

37. Responses of an early and a late successional species of Polygonum to variations in resource availability

    • A. R. Zangerl
    • F. A. Bazzaz

    Original Papers Pages: 397 - 404

38. Inter-relationships between type, size and colour of fruits and dispersal in southern African trees

    • R. S. Knight
    • W. R. Siegfried

    Original Papers Pages: 405 - 412

39. Microsite utilization by Bromus tectorum L. and Poa pratensis L. in a meadow steppe community

    • Peter A. Bookman

    Original Papers Pages: 413 - 418

40. A note on optimal population composition with concave fitness sets and coarse-grained environmental variation

    • Richard A. Kiltie

    Short Communication Pages: 419 - 420