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Volume 12 (1) 2005

• Trophic triangles and competition among vertebrate (Oncorhynchus nerka, Gasterosteus aculeatus) and macroinvertebrate (Neomysis mercedis) planktivores in Muriel Lake, British Columbia, Canada

  Kim D. HYATT, Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, British Columbia V9T 6N7, Canada.
  Charles RAMCHARAN, Biology Department, Laurentian University, Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada.
  Donald J. McQUEEN, AEA Inc., 125 Pirates Lane, Nanaimo, British Columbia V9R 6R1, Canada, e-mail: don_mcqueen@telus.net
  Karen L. COOPER, Department of Biology, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada.

• Haematological variables are good predictors of recruitment in nestling pied flycatchers (Ficedula hypoleuca)

  Elisa LOBATO, Juan MORENO, Santiago MERINO, Juan J. SANZ & Elena ARRIERO, Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas, José Gutiérrez Abascal 2, E-28006 Madrid, Spain, e-mail: elobato@mncn.csic.es

• A comparative growth analysis between alien invader and native Senecio species with distinct distribution ranges

  Hèctor GARCIA-SERRANO, Departament de Biologia Vegetal, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Catalunya, Spain, e-mail: hector.garcia@ub.edu
  Josep ESCARRÉ & Éric GARNIER, Centre d?Écologie Fonctionelle et Évolutive (CEFE) du Centre National de la Recherche Scientifique (CNRS), 1919 Route de Mende, 34293 Montpellier Cedex 05, France.
  F. Xavier SANS, Departament de Biologia Vegetal, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Catalunya, Spain.

• An experimental approach for quantifying the spatial interactions of plants under different treatment conditions

  Rusty A. FEAGIN, Spatial Sciences Laboratory, Department of Forest Science, Texas A & M University, 2135 TAMU, College Station, Texas 77843, USA, e-mail: feaginr@tamu.edu
  X. Ben WU, Department of Rangeland Ecology & Management, Texas A & M University, 2126 TAMU, College Station, Texas 77843, USA.

• On the relationship between cloudiness and net ecosystem carbon dioxide exchange in a peatland ecosystem

  Matthew G. LETTS & Peter M. LAFLEUR, Department of Geography, Trent University, Peterborough, Ontario K9J 7B8, Canada, e-mail: plafleur@trentu.ca
  Nigel T. ROULET, Department of Geography, Centre for Climate and Global Change Research, McGill University, 805 Sherbrooke Street W., Montréal, Québec H3A 2K6, Canada.

• Peatlands and green frogs: A relationship regulated by acidity?

  Marc J. MAZEROLLE, Centre de recherche en biologie forestière, Pavillon Abitibi-Price, Faculté de Foresterie et de Géomatique, Université Laval, Québec, Québec G1K 7P4, Canada, e-mail: mmazerolle@usgs.gov

• Can intra-specific variation in carnivore home-range size be explained using remote-sensing estimates of environmental productivity?

  Erlend B. NILSEN, Department of Forestry and Wildlife Management, Hedmark University College, N-2480 Koppang, Norway and Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, N-0316, Oslo, Norway.
  Ivar HERFINDAL, Department of Biology, Norwegian University of Science and Technology, N-7491 Trondheim, Norway.
  John D. C. LINNELL, Norwegian Institute for Nature Research, Tungesletta 2, N-7485 Trondheim, Norway, e-mail: john.linnell@nina.no

• Abiotic influences on the behaviour of rodents, ants, and plants affect an ant-seed mutualism

  Joshua H. NESS & Kacie BRESSMER, Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA, e-mail: jness@email.arizona.edu

• Temporal variation in quaking aspen (Populus tremuloides) genetic and clonal structures in the mixedwood boreal forest of eastern Canada

  Marie-Claire NAMROUD, Chaire AFD, Université du Québec en Abitibi-Témiscamingue, 445 boul. de l'Université, Rouyn-Noranda, Québec J9X 5E4, Canada, and Groupe de Recherche en Écologie Forestière (GREFI), Université du Québec à Montréal, Biological Sciences Department, C.P. 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada, e-mail: Marie-Claire.Namroud@uqat.ca
  Francine TREMBLAY, Chaire AFD, Université du Québec en Abitibi-Témiscamingue, 445 boul. de l'Université, Rouyn-Noranda, Québec J9X 5E4, Canada.
  Yves BERGERON, Chaire AFD, Université du Québec en Abitibi-Témiscamingue, 445 boul. de l'Université, Rouyn-Noranda, Québec J9X 5E4, Canada, and Groupe de Recherche en Écologie Forestière (GREFI), Université du Québec à Montréal, Biological Sciences Department, C.P. 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada.

• Regeneration of a Mediterranean oak: A whole-cycle approach

  Fernando J. PULIDO, Departamento de Biología y Producción de los Vegetales, EUIT Forestal, Centro Universitario, Universidad de Extremadura, E-10600 Plasencia, Cáceres, Spain, e-mail: nando@unex.es
  Mario DÍAZ, Departamento de Ciencias Ambientales, Facultad de Ciencias del Medio Ambiente, Universidad de Castilla-La Mancha, E-45071 Toledo, Spain.

• Spatial heterogeneity at different grain sizes in grazed versus ungrazed sites of the Patagonian steppe

  Rodolfo A. GOLLUSCIO, Juliana A. PÉREZ, José M. PARUELO & Claudio M. GHERSA, IFEVA, Facultad de Agronomía, Universidad de Buenos Aires and CONICET, Av. San Martín 4453 (1417), Buenos Aires, Argentina, e-mail: gollusci@ifeva.edu.ar

• Comparative responses of bird, carabid, and spider assemblages to stand and landscape diversity in maritime pine plantation forests

  Luc BARBARO, Laurent Pontcharraud, Fabrice Vetillard, Unité Mixte de Recherche 1202 BIOdiversité, Gènes, ECOsystèmes, Institut National de la Recherche Agronomique, 69 Route d'Arcachon, 33612 Cestas cedex, France, e-mail: luc.barbaro@pierroton.inra.fr
  Dominique GUYON, Unité Écologie Fonctionnelle et Physique de l'Environnement, INRA, BP81, 33883 Villenave d'Ornon cedex, France.
  Hervé JACTEL, UMR 1202 BIOGECO, INRA, 69 Route d'Arcachon, 33612 Cestas cedex, France.

• Effet des paramètres locaux sur le développement de la végétation dans le Vallon de St. Anna di Vinadio (Alpes Maritimes; Italie)

  Elena ORTU, Institut Méditerranéen d?Écologie et de Paléoécologie, Faculté des Sciences de Saint-Jérôme, Case 451, 13397, Marseille cedex 20, France; Dipartimento di Biologia Vegetale, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italie et Laboratoire de Chrono-Écologie, UFR des Sciences et Techniques, 16 route de Gray, 25030 Besançon cedex, France, eortu@yahoo.com
  Fernand DAVID, Institut Méditerranéen d?Écologie et de Paléoécologie, Faculté des Sciences de Saint-Jérôme, Case 451, 13397, Marseille cedex 20, France.
  Rosanna CARAMIELLO, Dipartimento di Biologia Vegetale, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italie.

• Seed removal by ants from faeces produced by different vertebrate species

  Marco A. PIZO, Plant Phenology and Seed Dispersal Group, Departamento de Botânica, Universidade Estadual Paulista, Caixa Postal 199, 13506-970 Rio Claro-SP, Brazil, e-mail: pizo@rc.unesp.br
  Paulo R. GUIMARÃES, Jr., Programa de Pós-graduação em Ecologia, Instituto de Biologia, Universidade Estadual de Campinas, Caixa Postal 6109, 13083-970 Campinas-SP, Brazil.
  Paulo S. OLIVEIRA, Departamento de Zoologia, Universidade Estadual de Campinas, Caixa Postal 6109, 13083-970 Campinas-SP, Brazil.

• Highly nested snail and clam assemblages in boreal lake littorals: Roles of isolation, area, and habitat suitability

  Jani HEINO, Finnish Environment Institute, Research Department, P.O. Box 413, FIN-90014 University of Oulu, Finland, jani.heino@ymparisto.fi
  Timo MUOTKA, Finnish Environment Institute, Research Department, P.O. Box 140, FIN-00251 Helsinki, Finland, and Department of Biology, P.O. Box 3000, FIN-90014 University of Oulu, Finland.