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Volume 15 (4) 2008

• Influences of tree age and tree structure on the macrolichen Letharia vulpina: A case study in the Italian Alps

  Juri NASCIMBENE, Department of Biology, University of Trieste, via Giorgieri 10 ? 34100 Trieste, Italy, e-mail: junasc@libero.it
  Lorenzo MARINI, Department of Environmental Agronomy and Crop Production, University of Padova,viale dell'Università 16 ? 35020 Legnaro, Padova, Italy.
  Marco CARRER, Department of Territory and Agro-Forestry Systems, Treeline Ecology Research Unit, University of Padova, viale dell'Università 16 ? 35020 Legnaro, Padova, Italy.
  Renzo MOTTA, Department AGROSELVITER, University of Torino, Via Leonardo Da Vinci 44 ? 10095 Grugliasco, Torino, Italy.
  Pier Luigi NIMIS, Department of Biology, University of Trieste, via Giorgieri 10 ? 34100 Trieste, Italy.

• Factors determining beetle richness and composition along an altitudinal gradient in the high mountains of the Sierra Nevada National Park (Spain)

  Adela GONZÁLEZ-MEGÍAS, Departemento de Biología Animal, Universidad de Granada, Granada, Spain, e-mail: adelagm@ugr.es
  José María GÓMEZ, Departemento de Ecología, Universidad de Granada, Granada, Spain.
  Francisco SÁNCHEZ-PIÑERO, Departemento de Biología Animal, Universidad de Granada, Granada, Spain.

• Changes of dominant ground beetles in black pine forests with fire severity and successional age

  Anselm RODRIGO, Unit of Ecology - Center for Ecological Research and Forestry Applications (CREAF), Faculty of Sciences, Autonomous University of Barcelona, E-08193 Bellaterra (Barcelona), Spain, e-mail: anselm.rodrigo@uab.es
  Francesc SARDÀ-PALOMERA, Department of Animal Biology, Faculty of Biology, University of Barcelona, Av. Diagonal 645, E- 08028 Barcelona, Spain.
  Jordi BOSCH & Javier RETANA, Unit of Ecology - Center for Ecological Research and Forestry Applications (CREAF), Faculty of Sciences, Autonomous University of Barcelona, E-08193 Bellaterra (Barcelona), Spain.

• Correlations of biotic and abiotic variables with ground surface temperature: An ectothermic perspective

  Glenn M. CUNNINGTON, James SCHAEFER, Joseph E. CEBEK & Dennis MURRAY, Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, Ontario K9J 7B8, Canada.

• Effect of cold exposure on seed germination of 58 plant species comprising several functional groups from a mid-mountain Mediterranean area

  Belén LUNA, Beatriz PÉREZ, Blanca CÉSPEDES & José M. MORENO, Departamento de Ciencias Ambientales, Facultad de Ciencias del Medio Ambiente, Universidad de Castilla-La Mancha, Av. Carlos III s/n, 45071 Toledo, Spain, e-mail: JoseM.Moreno@uclm.es

• Distribution of long-toed salamanders and introduced trout in high- and ow-elevation wetlands in southwestern Alberta, Canada

  Kimberly J. PEARSON & Cameron P. GOATER, Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada.

• Black bear adaptation to low productivity in the boreal forest

  Arnaud MOSNIER & Jean-Pierre OUELLET, Département de Biologie, Chimie et Géographie, Centre d'études nordiques, Université du Québec à Rimouski, 300, Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada, e-mail: jean-pierre_ouellet@uqar.qc.ca
  Réhaume COURTOIS, Ministère des Ressources Naturelles et de la Faune, Direction du développement de la faune, 880, Chemin Ste-Foy, 2e Étage, Québec, Québec G1S 4X4, Canada.

• Recruitment advantage of large seeds is greater in shaded habitats

  Hans Henrik BRUUN & Dirk-Jan TEN BRINK, Lund University, Department of Ecology, Section for Plant Ecology and Systematics, Ecology Building, 22362 Lund, Sweden, e-mail: hans_henrik.bruun@ekol.lu.se

• Seasonal dynamics of CO2 exchange during primary succession of boreal mires as controlled by phenology of plants

  Mirva LEPPÄLÄ & Kari KUKKO-OJA, Finnish Forest Research Institute, Muhos Research Unit, Kirkkosaarentie 7, 91500 Muhos, Finland, e-mail: mirva.leppala@metla.fi
  Jukka LAINE, Finnish Forest Research Institute, Parkano Research Unit, 39700 Parkano, Finland.
  Eeva-Stiina TUITTILA, Peatland Ecology Group, Department of Forest Ecology, University of Helsinki, 00074 Helsinki, Finland.

• Macro- and microparasite infection profiles of hatchery fish before and after release from a conservation hatchery (steelhead trout, Oncorhynchus mykiss)

  Carli HALPENNY & Mart R. GROSS, Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, Ontario M5S 3B2, Canada.

• Evaluation of resource-limiting strategies intended to prevent Phalaris arundinacea (reed canarygrass) invasions in restored sedge meadows

  Basil V. IANNONE III, Department of Ecology, Evolution, and Behavior, University of Minnesota, 100 Ecology Building, 1987 Upper Buford Circle, St. Paul, Minnesota 55108, USA, and Department of Horticultural Science, University of Minnesota, 305 Alderman Hall, 1970 Folwell Ave, St. Paul, Minnesota 55108, USA.
  Susan M. GALATOWITSCH, Department of Horticultural Science, University of Minnesota, 305 Alderman Hall, 1970 Folwell Ave, St. Paul, Minnesota 55108, USA.
  Carl J. ROSEN, Department of Soil, Water and Climate, University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, Minnesota 55108, USA.

• Effects of fire frequency on species composition in a Mediterranean shrubland

  Albert VILÀ-CABRERA, Sandra SAURA-MAS & Francisco LLORET, CREAF (Center for Ecological Research and Forestry Applications) and Unit of Ecology, Department of Animal and Plant Biology and Ecology, Autonomous University of Barcelona, 08193 Bellaterra, Barcelona, Spain, e-mail: Albert.VilaC@campus.uab.cat

• Patterns of frequency in species-rich vegetation in pine savannas: Effects of soil moisture and scale

  Meghann A. CLARK, Jack SIEGRIST & Paul A. KEDDY, Department of Biological Sciences, Southeastern Louisiana University, Hammond, Louisiana 70402, USA, e-mail: drpaulkeddy@gmail.com

• Litter decomposition in earthworm-invaded northern hardwood forests: Role of invasion degree and litter chemistry

  Andrew R. HOLDSWORTH, University of Minnesota, Conservation Biology Graduate Program, 187 McNeal Hall, 1985 Buford Avenue, St. Paul, Minnesota 55108, USA.
  Lee E. FRELICH & Peter B. REICH, University of Minnesota, Department of Forest Resources, 1530 N. Cleveland Avenue, St. Paul, Minnesota 55108, USA.

• Costly pre-laying behaviours and physiological expenditures by northern fulmars in the High Arctic

  Mark L. MALLORY, Canadian Wildlife Service, Box 1714, Iqaluit, Nunavut X0A 0H0, Canada, e-mail: mark.mallory@ec.gc.ca Mark R. FORBES, Department of Biology, Carleton University, Ottawa, Ontario K1S 5B6, Canada.