1. Carbon dioxide assimilation and growth of red spruce (Picea rubens Sarg.) seedlings in response to ozone, precipitation chemistry, and soil type

   • G. E. Taylor Jr.
   • R. J. Norby
   • R. S. Turner

   Original Papers Pages: 163 - 171

2. Water use patterns of four co-occurring chaparral shrubs

   • S. D. Davis
   • H. A. Mooney

   Original Papers Pages: 172 - 177

3. Effects of superabundant food on breeding success and behavior of the red-winged blackbird

   • Charles E. Strehl
   • JoAnn White

   Original Papers Pages: 178 - 186

4. Estimating photosynthetic rate and annual carbon gain in conifers from specific leaf weight and leaf biomass

   • R. Oren
   • E. -D. Schulze
   • R. Zimmermann

   Original Papers Pages: 187 - 193

5. A natural feeding experiment on a declining snowshoe hare population

   • Charles J. Krebs
   • Stan Boutin
   • B. S. Gilbert

   Original Papers Pages: 194 - 197

6. Differentiation among populations of Sedum wrightii (Crassulaceae) in response to limited water availability: water relations, CO₂ assimilation, growth and survivorship

   • Jessica Gurevitch
   • James A. Teeri
   • A. Michelle Wood

   Original Papers Pages: 198 - 204

7. The adaptive significance of alpine melanism in the butterfly Parnassius phoebus F. (Lepidoptera: Papilionidae)

   • C. S. Guppy

   Original Papers Pages: 205 - 213

8. Rodents as seed dispersers in a heath — oak wood succession

   • Thomas Secher Jensen
   • Ole Frost Nielsen

   Original Papers Pages: 214 - 221

9. The dynamics of leaf extension in plants with diverse altitudinal ranges

   • F. I. Woodward
   • Ch. Körner
   • R. C. Crabtree

   Original Papers Pages: 222 - 226

10. Resource sharing among ramets in the clonal herb, Fragaria chiloensis

    • P. Alpert
    • H. A. Mooney

    Original Papers Pages: 227 - 233

11. Mistletoes: a hypothesis concerning morphological and chemical avoidance of herbivory

    • J. R. Ehleringer
    • I. Ullmann
    • H. Ziegler

    Original Papers Pages: 234 - 237

12. Costs and benefits of defense by tannins in a neotropical tree

    • Phyllis D. Coley

    Original Papers Pages: 238 - 241

13. Influence of plant antibiosis through four trophic levels

    • D. B. Orr
    • D. J. Boethel

    Original Papers Pages: 242 - 249

14. Compensatory branching and changes in nitrogen content in the aquatic weed Salvinia molesta in response to disbudding

    • Michael H. Julien
    • Anne S. Bourne

    Original Papers Pages: 250 - 257

15. Geographical and environmental distribution of C₃ and C₄ grasses in the Sinai, Negev, and Judean deserts

    • J. C. Vogel
    • A. Fuls
    • A. Danin

    Original Papers Pages: 258 - 265

16. Growth reduction in Plantago lanceolata in relation to biotic factors in the soil environment

    • Marianne P. de Nooij
    • Sep R. Troelstra
    • Roel Wagenaar

    Original Papers Pages: 266 - 272

17. Carbon fixation in eucalypts in the field

    • M. Küppers
    • A. M. Wheeler
    • G. D. Farquhar

    Original Papers Pages: 273 - 282

18. Proximate factors influencing egg cannibalism in the land snail Arianta arbustorum (Pulmonata, Helicidae)

    • Bruno Baur
    • Anette Baur

    Original Papers Pages: 283 - 287

19. How to live in colonies: spatial foraging strategies of the black-headed gull

    • M. Gorke
    • R. Brandl

    Original Papers Pages: 288 - 290

20. Herbivory and the cycling of nitrogen and phosphorus in isolated California oak trees

    • David Y. Hollinger

    Original Papers Pages: 291 - 297

21. Physiological consequences of changes in life form of the Mexican epiphyte Tillandsia deppeana (Bromeliaceae)

    • William W. Adams III
    • Craig E. Martin

    Original Papers Pages: 298 - 304

22. Previous experience and site tenacity in the orb spider Nephila (Araneae, Araneidae)

    • F. Vollrath
    • A. Houston

    Original Papers Pages: 305 - 308

23. The Barred Antshrike (Thamnophilus doliatus) on Trinidad and Tobago: habitat niche expansion of a generalist forager

    • Todd Keeler-Wolf

    Original Papers Pages: 309 - 317

24. Ant-nest soil and seedling growth in a neotropical ant-dispersed herb

    • Carol C. Horvitz
    • Douglas W. Schemske

    Short Communication Pages: 318 - 320