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Volume 11 (4) 2004

• Habitat differences in allocation of eggs between successive breeding attempts in great tits (Parus major)

  Marko MÄGI & Raivo MÄND, Institute of Zoology and Hydrobiology, Centre of Basic and Applied Ecology, University of Tartu, Vanemuise 46, Tartu 51014, Estonia, e-mail: raivo.mand@ut.ee

• Does predation risk affect habitat use in snowshoe hares?

  Chantal BEAUDOIN, Département de biologie and Centre d'études nordiques, Université Laval, Sainte-Foy, Québec G1K 7P4, Canada.
  Michel CRÊTE, Département de biologie and Centre d'études nordiques, Université Laval, Sainte-Foy, Québec G1K 7P4, Canada; Ministère des Ressources naturelles, de la Faune et des Parcs du Québec, 675 boul. René-Lévesque Est (BP 92), Québec, Québec G1R 5V7, Canada and Département de biologie, Université du Québec à Rimouski, 300 Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada, e-mail: michel.crete@fapaq.gouv.qc.ca
  Jean HUOT, Département de biologie and Centre d'études nordiques, Université Laval, Sainte-Foy, Québec G1K 7P4, Canada.
  Pierre ETCHEVERRY, Département de biologie, Université du Québec à Rimouski, 300 Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada.
  Steeve D. CÔTÉ, Département de biologie and Centre d'études nordiques, Université Laval, Sainte-Foy, Québec G1K 7P4, Canada.

• Population dynamics of small rodents in the southern boreal forest as influenced by furbearer harvest

  Pierre ETCHEVERRY & Jean-Pierre OUELLET, Département de biologie, de chimie et de sciences de la santé, Centre d'études nordiques, Université du Québec à Rimouski, 300 Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada, e-mail: pierre_etcheverry@uqar.qc.ca
  Michel CRÊTE, Ministère des Ressources Naturelles, de la Faune et des Parcs du Québec, 675 boul. René-Lévesque Est (BP 92), Québec, Québec G1R 5V7, Canada and Département de biologie, de chimie et de sciences de la santé, Université du Québec à Rimouski, 300 Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada.
  Marie-Claude RICHER, Département de biologie, de chimie et de sciences de la santé, Université du Québec à Rimouski, 300 Allée des Ursulines, Rimouski, Québec G5L 3A1, Canada.

• Influence of the leaf-mining and petiole-boring moth Neoshoenobia testacealis on the leaf longevity of the water lily Nuphar subintegerrimum

  Osamu NAGASAKI, Toyonaka City The Second Junior High School, Miyayama-cho, Toyonaka City, Osaka Prefecture 560-0056, Japan, e-mail: nagasaki@kb3.so-net.ne.jp

• Facilitative interactions on coastal dunes in response to seasonal weather fluctuations and benefactor size

  M. Luisa MARTÍNEZ, Departamento de Ecología Vegetal, Instituto de Ecología, A.C., km 2.5 antigua carretera a Coatepec, Xalapa, Veracruz, 91070, México, e-mail: maluisam@ecologia.edu.mx
  Octavio PÉREZ-MAQUEO, Departamento de Ecosistemas Templados, Instituto de Ecología, A.C., km 2.5 antigua carretera a Coatepec, Xalapa, Veracruz, 91070, México.
  Víctor M. VÁSQUEZ, Departamento de Ecología Vegetal, Instituto de Ecología, A.C., km 2.5 antigua carretera a Coatepec, Xalapa, Veracruz, 91070, México.

• Long-term change in territory occupancy pattern of goshawks (Accipiter gentilis)

  Harri HAKKARAINEN, Section of Ecology, Department of Biology, University of Turku, FIN-20014 Turku, Finland, e-mail: harhak@utu.fi
  Sakari MYKRÄ, Section of Biodiversity and Environmental Research, Department of Biology, University of Turku, FIN-20014 Turku, Finland.
  Sami KURKI, Seinäjoki Institute of Rural Research and Training, University of Helsinki, FIN-60100 Seinäjoki, Finland.
  Risto TORNBERG, Zoological Museum, University of Oulu, FIN-90014 Oulu, Finland.
  Sven JUNGELL, Jungarvägen 527, FIN-66850 Jeppo, Finland.
  Ari NIKULA, The Finnish Forest Research Institute, Rovaniemi Research Station, FIN-96301 Rovaniemi, Finland.

• Terrestrial versus aquatic foraging in juvenile Alpine newts (Triturus alpestris)

  Mathieu DENOËL, Laboratory of Fish and Amphibian Ethology, Behavioural Biology Unit, Department of Environmental Sciences, University of Liège, 22 Quai van Beneden, 4020 Liège, Belgium, e-mail: Mathieu.Denoel@ulg.ac.be

• Habitat dependent nurse effects of the dwarf-shrub Dryas octopetala on alpine and arctic plant community structure

  Kari KLANDERUD & Ørjan TOTLAND, Department of Ecology and Natural Resource Management, The Agricultural University of Norway, P.O. Box 5003, N0-1432 Ås, Norway, e-mail: kari.klanderud@ina.nlh.no

• The relationship between predation risk and occurrence of black grouse (Tetrao tetrix) in a highly fragmented landscape: An experiment based on artificial nests

  Jana SVOBODOVÁ, Department of Ecology and Environment, Faculty of Forestry & Environment, Czech Agricultural University, CZ-165 21 Prague 6, Czech Republic, e-mail: svobodova@lf.czu.cz
  Tomá? ALBRECHT, Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, CZ-60365 Brno, Czech Republic, and Department of Zoology, Faculty of Sciences, Charles University, CZ-12844 Prague, Czech Republic.
  Miroslav ?ÁLEK, Department of Ecology and Environment, Faculty of Forestry & Environment, Czech Agricultural University, CZ-165 21 Prague 6, Czech Republic.

• Ectoparasite susceptibility in lizards from populations sympatric and allopatric with ticks

  Tobias ULLER, Department of Zoology, Göteborg University, Medicinaregatan 18, SE 405 30 Göteborg, Sweden, e-mail: tobias.uller@zool.gu.se
  Mats OLSSON, Department of Zoology, Göteborg University, Sweden, and Department of Biological Sciences, University of Wollongong, Australia.

• Recent fire regime (1945-1998) in the boreal forest of western Québec

  Patrick LEFORT & Alain LEDUC, Groupe de Recherche en Écologie Forestière Inter-universitaire et Département des sciences biologiques, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada.
  Sylvie GAUTHIER, Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du PEPS, P.O. Box 3800, Sainte-Foy, Québec G1V 4C7, Canada and Groupe de Recherche en Écologie Forestière Inter-universitaire et Département des sciences biologiques, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada.
  Yves BERGERON, Groupe de Recherche en Écologie Forestière Inter-universitaire et Département des sciences biologiques, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada, and Chaire industrielle CRSNG-UQAT-UQAM en aménagement forestier durable, Université du Québec en Abitibi-Témiscamingue, 445 boul. de l'Université, Rouyn-Noranda, Québec J9X 5E4, Canada.

• Fire recurrence effects on the structure and composition of Mediterranean Pinus halepensis communities in Catalonia (northeast Iberian Peninsula)

  Màrcia EUGENIO & Francisco LLORET, Centre for Ecological Research and Forestry Applications, Autonomous University of Barcelona, 08193 Bellaterra, Barcelona, Spain, e-mail: m.eugenio@creaf.uab.es

• Population variability is lower in diverse rock pools when the obscuring effects of local processes are removed

  Tamara N. ROMANUK, Département des sciences biologiques, Université du Québec à Montréal, CP 8888, Succ. Centre Ville, Montréal, Québec H3C 3P8, Canada, and Pacific Ecoinformatics and Computational Ecology Laboratory, 1604 MgGee Ave, Berkeley, California 94709, USA, e-mail: romanuke178@rogers.com
  Jurek KOLASA, Department of Biology, McMaster University, Hamilton, Ontario L8S 4K1, Canada.

• Vertebrate seed dispersal of Marah macrocarpus (Cucurbitaceae) after fire in the Western Transverse Ranges of California

  Mark BORCHERT, Ojai Ranger District, Los Padres National Forest, Ojai, California 93023, USA,e-mail: mborchert@fs.fed.us

• Extrafloral nectary-mediated ant-plant interactions in the coastal vegetation of Veracruz, Mexico: Richness, occurrence, seasonality, and ant

  Cecilia DÍAZ-CASTELAZO & Victor RICO-GRAY, Departamento de Ecología Funcional, Instituto de Ecología, A.C. Apdo. 63, Xalapa, Veracruz 91070, Mexico, e-mail: diazcastelazo@yahoo.com.mx
  Paulo S. OLIVEIRA, Departamento de Zoologia, Universidade Estadual de Campinas, C.P. 6109, Campinas SP, 13083-970, Brasil.
  Mariana CUAUTLE, Departamento de Ecología Funcional, Instituto de Ecología, A.C. Apdo. 63, Xalapa, Veracruz 91070, Mexico.