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Volume 02 (4) 1995

• On the consequences of pre- and postbreeding costs in the evolution of reproductive effort tactics

  K. Ingemar JÖNSSON, Juha TUOMI & Johannes JÄREMO, Department of Theoretical Ecology, Ecology Building, Lund University, S-223 62 Lund, Sweden, e-mail: ingemar@volterra.teorekol.lu.se

• Effects of birds on sea urchins and algae: A lower-intertidal trophic cascade

  J. Timothy WOOTTON, Department of Zoology, NJ-15, University of Washington, Seattle, Washington 98195, U.S.A.

• Correlates of life-history variation in Clethrionomys and Microtus (Microtinae)

  Duncan G. L. INNES & John S. MILLAR, Department of Zoology, University of Western Ontario, London, Ontario N6A 5B7, Canada, e-mail: 12011_1260@uwovax.uwo.ca

• Blood parasites, sexual selection and reproductive success of European kestrels

  Erkki KORPIMÄKI, Laboratory of Ecological Zoology, Department of Biology, University of Turku, FIN-20500 Turku, Finland, e-mail: ekorpi@sara.cc.utu.fi
  Pasi TOLONEN, Department of Zoology, University of Oulu, Linnanmaa, FIN-90570 Oulu, Finland.
  Gordon F. BENNETT, International Reference Centre of Avian Haematozoa, Department of Biology, Memorial University of Newfoundland, St. John's, Newfoundland A1B 3X9, Canada.

• Abundance of Baird's sparrows, Ammodramus bairdii, in native prairie and introduced vegetation

  Glenn C. SUTTER, Terri TROUPE, Mark FORBES, Department of Biology, University of Regina, Regina, Saskatchewan S4S OA2, Canada, e-mail: sutter@meena.cc.uregina.ca

• On the recovery of mountain birch after Epirrita damage in Finnish Lapland, with a particular emphasis on reindeer grazing

  Juhani LEHTONEN & Risto K. HEIKKINEN, Department of Biology, University of Turku, FIN-20500, Turku, Finland, e-mail: juanle@sara.cc.utu.fi

• Multidimensional analysis of diatom morphologic and morphometric phenotypic variation and relation to niche

  Janice L. PAPPAS & Eugene F. STOERMER, Center for Great Lakes and Aquatic Sciences, University of Michigan, Ann Arbor, Michigan 48109-2099, U.S.A.

• Seed germination in Vallisneria americana: Effects of cold stratification, scarification, seed coat morphology and PCB concentration

  Jairie FERASOL, Lesley LOVETT DOUST, Jon LOVETT DOUST & Maciej BIERNACKI, Biological Sciences, 401 Sunset Avenue, University of Windsor, Windsor, Ontario N9B 3P4, Canada.

• Parent material depth controls ecosystem composition and function on a riverside terrace in northwestern Alaska

  Dan BINKLEY, Frank SUAREZ & Charles RHOADES, Department of Forest Sciences, Colorado State University, Ft. Collins, Colorado 80523, U.S.A., e-mail: dan@cnr.colostate.edu
  Robert STOTTLEMYER, National Biological Service, 200 W. Prospect Ave., Ft. Collins, Colorado 80523, U.S.A.
  David W. VALENTINE, Natural Resource Ecology Laboratory, Colorado State University, Ft. Collins, Colorado 80523, U.S.A.

• Effects of salinity on epiphytic diatom communities on Pilayella littoralis (Phaeophyceae) in the Baltic Sea

  Pauli SNOEIJS, Department of Ecological Botany, Uppsala University, Villavägen 14, S-752 36 Uppsala, Sweden, e-mail: pauli@pax.uu.se

• Bryophyte vegetation patterns along environmental gradients in continental bogs

  René J. BELLAND, Department of Biological Sciences, The University of Alberta, Edmonton, Alberta T6G 2E1, Canada, e-mail: rbelland@gpu.srv.ualberta.ca
  Dale H. VITT, Department of Biological Sciences and Devonian Botanic Garden, The University of Alberta, Edmonton, Alberta T6G 2E1, Canada, e-mail: dvitt@gpu.srv.ualberta.ca

• Woody root system development of white spruce layerings in a tundra environment

  David C. F. FAYLE, Faculty of Forestry, University of Toronto, 33 Willcocks Street, Toronto, Ontario M5S 3B3, Canada.
  Peter A. SCOTT, Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E1, Canada, e-mail: petscott@gpu.srv.ualberta.ca