Nitrogen mineralization and nitrification in four Minnesota old fields J. PastorM. A. StillwellD. Tilman Original Papers Pages: 481 - 485
The establishment, growth, phenology and longevity of two species of Helianthemum in the Negev Desert Highlands, Israel M. Agami Original Papers Pages: 486 - 490
Effect of pH on microbial degradation of leaf litter in seven streams of the English Lake District A. -C. Chamier Original Papers Pages: 491 - 500
Reproductive success, spontaneous embryo abortion, and genetic load in flowering plants D. WiensC. L. CalvinS. R. Seavey Original Papers Pages: 501 - 509
Defining “high quality” food resources of herbivores: the case for meadow voles (Microtus pennsylvanicus) J. M. BergeronL. Jodoin Original Papers Pages: 510 - 517
Natal philopatry and recruitment of willow ptarmigan in north central and northwestern Canada K. MartinS. J. Hannon Original Papers Pages: 518 - 524
Particle size, resource concentration, and the distribution of net-spinning caddisflies D. N. Alstad Original Papers Pages: 525 - 531
A capture-rate model of net-spinning caddisfly communities D. N. Alstad Original Papers Pages: 532 - 536
The influence of mangrove-derived tannins on intertidal meiobenthos in tropical estuaries D. M. Alongi Original Papers Pages: 537 - 540
The effect of nitrogen and phosphorus addition on the growth, reproduction, and nutrient dynamics of two ericaceous shrubs E. L. Simms Original Papers Pages: 541 - 547
Nutritional quality of specific leaf tissues and selective feeding by a specialist leafminer T. W. KimmererD. A. Potter Original Papers Pages: 548 - 551
An energetics model of an aquatic predator and its application to life-history optima L. R. LintonR. W. Davies Original Papers Pages: 552 - 559
Live blind snakes (Leptotyphlops dulcis) in eastern screech owl (Otus asio) nests: a novel commensalism F. R. GehlbachR. S. Baldridge Original Papers Pages: 560 - 563
Differences in microhabitat, abundance, biomass and body size between oxybiotic and thiobiotic free-living marine nematodes P. Jensen Original Papers Pages: 564 - 567
Circadian activity patterns, photoperiodic responses and population cycles in voles S. HalleU. Lehmann Original Papers Pages: 568 - 572
Circadian activity patterns, photoperiodic responses and population cycles in voles U. LehmannS. Halle Original Papers Pages: 573 - 576
The role of aggregation in the response of Mexican bean beetles to host-plant density P. Turchin Original Papers Pages: 577 - 582
Annual activity patterns of anurans in a seasonal neotropical environment M. Aichinger Original Papers Pages: 583 - 592
Initiation of early breeding in a population of Microtus townsendii (Rodentia) with the secondary plant compound 6-MBOA H. KornM. J. Taitt Original Papers Pages: 593 - 596
Effects of live-trapping and toe-clipping on body weight of European and African rodent species H. Korn Original Papers Pages: 597 - 600
The measurement of small-scale environmental heterogeneity using clonal transplants of Anthoxanthum odoratum and Danthonia spicata J. AntonovicsK. ClayJ. Schmitt Original Papers Pages: 601 - 607
Reproductive mode may determine geographic distributions in Australian venomous snakes (Pseudechis, Elapidae) R. Shine Original Papers Pages: 608 - 612
Biomass production and nitrogen content of C3- and C4- grasses in pure and mixed culture with different nitrogen supply G. GebauerB. SchubertH. Ziegler Original Papers Pages: 613 - 617
Stream drift, size-specific predation, and the evolution of ovum size in an amphibian J. W. PetrankaA. SihJ. R. Holomuzki Original Papers Pages: 624 - 630
Hypersensitivity reaction of Brassica nigra L. (Cruciferae) kills eggs of Pieris butterflies (Lepidoptera: Pieridae) A. M. ShapiroJ. E. DeVay Short Communication Pages: 631 - 632