C4 photosynthesis, atmospheric CO2, and climate James R. EhleringerThure E. CerlingBrent R. Helliker Article Pages: 285 - 299
A 15N tracer technique for assessing fine root production and mortality Joseph J. HendricksKnute J. NadelhofferJohn D. Aber Article Pages: 300 - 304
Effects on plant production after addition of labile carbon to arctic/alpine soils Inger K. SchmidtAnders MichelsenSven Jonasson Article Pages: 305 - 313
Effects of energetic reserves on behavioral patterns of Mediterranean fruit flies (Diptera: Tephritidae) M. S. WarburgB. Yuval Article Pages: 314 - 319
Predicting seasonal diet in the yellow-bellied marmot: success and failure for the linear programming model G. P. Edwards Article Pages: 320 - 330
How successful was Edwards' linear programming model for marmots? Norman Owen-Smith Article Pages: 331 - 332
Evidence of spatial genetic structure in a California bunchgrass population Andrew R. DyerKevin J. Rice Article Pages: 333 - 339
Combined effects of heat shock, smoke and darkness on germination of Epacris stuartii Stapf., an endangered fire-prone Australian shrub D. A. Keith Article Pages: 340 - 344
Population growth and habitat distribution in cyclic small rodents: to expand or to change? Lennart Hansson Article Pages: 345 - 350
Prey-handling and the evolutionary ecology of sand-swimming lizards (Lerista : Scincidae) F. Harvey PoughMarion R. PreestMargaret H. Fusari Article Pages: 351 - 361
Plant exudates trigger leaf-trenching by cabbage loopers, Trichoplusia ni (Noctuidae) David E. Dussourd Article Pages: 362 - 369
Foraging activity of an Amazonian leaf-cutting ant: responses to changes in the availability of woody plants and to previous plant damage H. L. Vasconcelos Article Pages: 370 - 378
Costs of two non-mutualistic species in a yucca/yucca moth mutualism Judith L. BronsteinYaron Ziv Article Pages: 379 - 385
Effects of algivorous minnows (Campostoma) on spatial and temporal heterogeneity of stream periphyton F. P. GelwickW. J. Matthews Article Pages: 386 - 392
Application of a 15N tracer to simulate and track the fate of atmospherically deposited N in the coastal forests of the Waquoit Bay Watershed, Cape Cod, Massachusetts B. SeelyK. Lajtha Article Pages: 393 - 402
The influence of vines on an oligohaline marsh community: results of a removal and fertilization study Laura GoughJames B. Grace Article Pages: 403 - 411
Suppression of nematophagous fungi by enchytraeid worms: a field exclosure experiment B. A. JaffeeP. F. SantosA. E. Muldoon Article Pages: 412 - 423
Experimental tests of the mechanism for ant-enhanced growth in an ant-tended lycaenid butterfly Diane WagnerCarlos Martínez del Rio Article Pages: 424 - 429
Habitat structure and animal movement: the behaviour of bumble bees in uniform and random spatial resource distributions Ralph V. CartarLeslie A. Real Article Pages: 430 - 434
