Site tenacity and nomadism in Tengmalm's owl (Aegolius funereus (L.)) in relation to cyclic food production O. LöfgrenB. HörnfeldtB. -G. Carlsson Original Papers Pages: 321 - 326
Adaptive differentiation of body size in speciating mole rats Eviatar NevoAvigdor BeilesShimon Simson Original Papers Pages: 327 - 333
The role of taste in food selection by freshwater zooplankton William R. DeMott Original Papers Pages: 334 - 340
Group living and the effects of spatial position in aggregations of Mytilus edulis B. Okamura Original Papers Pages: 341 - 347
Population structure and thinning in natural stands of Atlantic White Cedar (Chamaecyparis thyoides (L.) BSP) David J. GibsonRalph E. Good Original Papers Pages: 348 - 353
Effects of an early-season folivorous moth on the success of a later-season species, mediated by a change in the quality of the shared host, Lupinus arboreus Sims Susan HarrisonRichard Karban Original Papers Pages: 354 - 359
The effect of acquired microbial enzymes on assimilation efficiency in the common woodlouse, Tracheoniscus rathkei Jerome J. KukorMichael M. Martin Original Papers Pages: 360 - 366
Trophic eggs and parental foraging for young by the catfish Bagrus meridionalis of Lake Malawi, Africa Kenneth R. McKaye Original Papers Pages: 367 - 369
Interaction of bodymass, fat, foraging and stopover period in trans-Sahara migrating passerine birds H. BiebachW. FriedrichG. Heine Original Papers Pages: 370 - 379
Vegetative reproduction as a stabilizing feature of the population dynamics of Yucca glauca R. W. Kingsolver Original Papers Pages: 380 - 387
Developmental characteristics of two closely related species of Allonemobius and their hybrids Seiji Tanaka Original Papers Pages: 388 - 394
The isotopic ecology of East African mammals Stanley H. AmbroseMichael J. DeNiro Original Papers Pages: 395 - 406
Geographic patterns in the flight ability of a monophagous beetle Mark A. Davis Original Papers Pages: 407 - 412
Intra-and intercolony patterns of nest dispersion in the ant Lasius neoniger: correlations with territoriality and foraging ecology James F. A. TranielloSally C. Levings Original Papers Pages: 413 - 419
Adding teeth to wave action: the destructive effects of wave-borne rocks on intertidal organisms Alan L. ShanksWilliam G. Wright Original Papers Pages: 420 - 428
Resource partitioning and competition for shells in a subtidal hermit crab species assemblage Peter AbramsCarl NybladeSallie Sheldon Original Papers Pages: 429 - 445
Overdispersion of ant colonies: a test of hypotheses Randall T. RytiTed J. Case Original Papers Pages: 446 - 453
The response of plants to elevated CO2 William E. WilliamsK. GarbuttP. M. Vitousek Original Papers Pages: 454 - 459
The predation of predispersed Juncus squarrosus seeds by Coleophora alticolella (Lepidoptera) larvae over a range of altitudes in northern England Martin G. M. Randall Original Papers Pages: 460 - 465
Formation of false stems in Cymopterus longiopes: an uplifting example of growth form change Kenneth S. WerkJames EhleringerP. C. Harley Original Papers Pages: 466 - 470
Factors regulating fruit and seed production in the desert annual Lesquerella gordonii Lynda F. Delph Original Papers Pages: 471 - 476
Diurnal variations of light-saturated CO2 assimilation and intercellular carbon dioxide concentration are not related to leaf water potential M. KüppersR. MatyssekE. -D. Schulze Short Communication Pages: 477 - 480