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Volume 20 (1) 2013

• Spatio-temporal variation in river otter  (Lontra canadensis) diet and  latrine site activity

  Shannon CROWLEY, Natural Resources and Environmental Studies Graduate Program,  University of Northern British Columbia, 3333 University Way, Prince George,  British Columbia V2N 4Z9, Canada, e-mail: crowleyATunbc.ca
  Chris J. JOHNSON, Ecosystem Science & Management Program, University of Northern  British Columbia, 3333 University Way, Prince George, British Columbia  V2N 4Z9, Canada.
  Dexter P. HODDER, John Prince Research Forest, PO Box 2378, Fort St. James,  British Columbia V0J 1P0, Canada.

• Pre-European settlement paleoenvironments along the lower Saint-Charles River, Québec City (Canada)

  Lydia QUERREC & Louise FILION, Centre d’études nordiques and Département de géographie, Université Laval, Québec,  Québec G1V 0A6, Canada, e-mail: l_querrecATyahoo.fr
  Réginald AUGER, CÉLAT and Département d’histoire, Université Laval, Québec, Québec G1V 0A6, Canada.

• Behavioural and energetic constraints of reproduction: Distinguishing breeding from non-breeding northern fulmars at their colony

  Mark L. MALLORY, Biology Department, Acadia University, Wolfville, Nova Scotia B4P 2R6, Canada,  e-mail: mark.malloryATacadiau.ca
  Mark R. FORBES, Department of Biology, Carleton University, Ottawa, Ontario K1S 5B6, Canada.

• Attractiveness of fallen fleshy fruits to ants depends on previous handling by frugivores

  Ana Gabriela D. BIEBER, Programa de Pós-Graduação em Ecologia, Instituto de Biologia, Universidade Estadual de Campinas  (UNICAMP), CP 6109, 13083-862 Campinas SP, Brazil.
  Paulo S. D. SILVA, Departamento de Estudos Básicos e Instrumentais, Universidade Estadual do Sudoeste da Bahia (UESB),  BR 415, Km 03, 45700-000 Itapetinga BA, Brazil.
  Paulo S. OLIVEIRA, Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas  (UNICAMP), CP 6109, 13083-862 Campinas SP, Brazil, e-mail: psoATunicamp.br

• Factors associated with the presence of flowering individuals of Arethusa bulbosa (Orchidaceae) in peatlands of southern Quebec

  Chantale MOISAN & Stéphanie PELLERIN, Institut de recherche en biologie végétale, Jardin botanique de Montréal et Université de Montréal, 4101, rue Sherbrooke Est, Montréal, Québec H1X 2B2, Canada, e-mail: stephanie.pellerin.1ATumontreal.ca

• The effect of host abundance on the distribution and impact of biocontrol agents on purple loosestrife (Lythrum salicaria, Lythraceae)

  Angela E. BOAG & Christopher G. ECKERT, Department of Biology, Queen's University, Kingston,  Ontario K7L 3N6, Canada, e-mail: chris.eckertATqueensu.ca

• Coexistence of Mediterranean tits:  A multidimensional approach

  Francisco ATIÉNZAR, Cavanilles Institute of Biodiversity and Evolutionary  Biology, University of Valencia, PO Box 22085, E-46071 Valencia, Spain, e-mail: Francisco.AtienzarATuv.es
  Eduardo Jorge BELDA, Instituto de Investigación para la Gestión Integrada  de Zonas Costeras –IGIC, Universidad Politécnica de Valencia,  C/ Paranimf nº 1, E-46730 Gandía, Spain.
  Emilio BARBA, Cavanilles Institute of Biodiversity and Evolutionary  Biology, University of Valencia, PO Box 22085,  E-46071 Valencia, Spain.

• Sika deer browsing differentially affects web-building spider densities in high and low productivity  forest understories

  Moeko MINOSHIMA, Faculty of Environmental Earth Science, Hokkaido University, Sapporo 060-0810, Japan, e-mail: minoshimaATfsc.hokudai.ac.jp
  Mayura B. TAKADA, Laboratory of Animal Ecology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan.
  Naoki AGETSUMA, Wakayama Experimental Forest, Field Science Center for Northern Biosphere,  Hokkaido University, Wakayama 649-4563, Japan.
  Tsutom HIURA, Tomakomai Research Station, Field Science Center for Northern Biosphere,  Hokkaido University, Tomakomai 053-0035, Japan.

• A year in an ant’s life: Opportunism and seasonal variation in the foraging ecology of Aphaenogaster senilis

  Stephane CAUT, Ángel BARROSO, Xim CERDÁ & Fernando AMOR, Estación Biológica de Doñana, Avenida Americo Vespucio s/n, 41092 Sevilla, Spain, e-mail: stephanecautATgmail.com
  Raphaël R. BOULAY, Estación Biológica de Doñana, Avenida Americo Vespucio s/n, 41092 Sevilla, Spain, and Departamento de Zoología, Universidad de Granada, Campus Fuentenueva, 18010 Granada, Spain.

• Prey choice, provisioning behaviour, and effects of early nutrition on nestling phenotype of titmice

  Vicente GARCÍA-NAVAS, Esperanza S. FERRER & Juan José SANZ, Área de Zoología,  Departamento de Ciencias Ambientales, Facultad de Ciencias Ambientales y Bioquímica,  Universidad de Castilla-La Mancha, Avenida Carlos III s/n E-45071 Toledo, Spain, e-mail: vicente.garcianavasATgmail.com