1. Parasitoids of the goldenrod gall moth: effects of scale on spatial density dependence

   • Lorne D. Rothman
   • D. Christopher Darling

   Original Papers Pages: 1 - 6

2. Soil water exploitation after fire: competition between Bromus tectorum (cheatgrass) and two native species

   • Graciela Melgoza
   • Robert S. Nowak
   • Robin J. Tausch

   Original Papers Pages: 7 - 13

3. The maturity index: an ecological measure of environmental disturbance based on nematode species composition

   • Tom Bongers

   Original Papers Pages: 14 - 19

4. Effects of fire and harvesting on nitrogen transformations and ionic mobility in soils of Eucalyptus regnans forests of south-eastern Australia

   • Christopher J. Weston
   • Peter M. Attiwill

   Original Papers Pages: 20 - 26

5. Chemical defense production in Lotus corniculatus L. I. The effects of nitrogen source on growth, reproduction and defense

   • Michelle A. Briggs

   Original Papers Pages: 27 - 31

6. Chemical defense production in Lotus corniculatus L. II. Trade-offs among growth, reproduction and defense

   • Michelle A. Briggs
   • Jack C. Schultz

   Original Papers Pages: 32 - 37

7. On the stabilization of animal numbers. Problems of testing

   • P. J. Den Boer

   Original Papers Pages: 38 - 46

8. Testing for density dependence

   • Andrew R. Solow

   Original Papers Pages: 47 - 49

9. Models for testing

   • Johannes Reddingius

   Original Papers Pages: 50 - 52

10. The role of sediment type in growth and fecundity of mud snails (Hydrobiidae)

    • Valery E. Forbes
    • Glenn R. Lopez

    Original Papers Pages: 53 - 61

11. Variation in reproductive success and gonadal allocation in the simultaneous hermaphrodite, Serranus fasciatus

    • Christopher W. Petersen

    Original Papers Pages: 62 - 67

12. Seasonal variation of territory size with the Little Owl (Athene noctua)

    • Peter Finck

    Original Papers Pages: 68 - 75

13. Prey features affecting ingestion rates by Acanthocyclops robustus (Copepoda: Cyclopoida) on zooplankton

    • Kennedy Roche

    Original Papers Pages: 76 - 82

14. Patch use by Dipodomys deserti (Rodentia: Heteromyidae): profitability, preference, and depletion dynamics

    • Robert H. Podolsky
    • Mary V. Price

    Original Papers Pages: 83 - 90

15. Why spacing behavior does not stabilize density in cyclic populations of microtine rodents

    • Edward J. Heske
    • Søren Bondrup-Nielsen

    Original Papers Pages: 91 - 98

16. Effects of photoperiod and temperature on development and reproduction of Hydromedion sparsutum (Müller) (Coleoptera, Perimylopidae) from South Georgia (Subantarctic)

    • W. Haderspeck
    • K. H. Hoffmann

    Original Papers Pages: 99 - 104

17. Plasticity of reproductive components at different stages of development in the annual plant Thlaspi arvense L.

    • Diethart Matthies

    Original Papers Pages: 105 - 116

18. Demographic costs of Chaoborus-induced phenotypic plasticity in Daphnia pulex

    • A. Ross Black
    • Stanley I. Dodson

    Original Papers Pages: 117 - 122

19. An examination of multiple factors affecting community structure in an aquatic amphibian community

    • Spencer A. Cortwright
    • Craig E. Nelson

    Original Papers Pages: 123 - 131

20. Impact of pocket gopher disturbance on plant species diversity in a shortgrass prairie community

    • Gregory D. Martinsen
    • J. Hall Cushman
    • Thomas G. Whitham

    Original Papers Pages: 132 - 138

21. Patterns and causes of spatial variation in the reproductive success of a desert annual

    • Ronen Kadmon
    • Avi Shmida

    Original Papers Pages: 139 - 144