Publications

Lebl K, Bieber C, Adamik P, Fietz J, Morris P, Pilastro A, Ruf T (in press) Survival rates in a small hibernator, the Edible dormouse: A comparison across Europe. Ecography

Fietz J, Klose SM, Kalko EKV (2010) Behavioural and physiological consequences of male reproductive trade-offs in edible dormice (Glis glis). Naturwissenschaften 97:883–890

Segelbacher G, Tomiuk J, Heinz T, Kuhn J, Weis-Dootz T, Fietz J (2010) Isolation of di- and tetranucleotide microsatellite loci in the Edible Dormouse (Glis glis). Molecular Ecology Resources

Fietz J, Schauer S, Kager T (2009) Is energy supply the trigger for reproductive activity in male edible dormice (Glis glis)? Journal of Comparative Physiology B 179: 829-837

Kager T, Fietz J (2009) Food availability in spring influences reproductive output in a seed predator, the edible dormouse (Glis glis L., 1766) Canadian Journal of Zoology 87: 555-565

Sailer M, Fietz J (2009) Seasonal differences in the feeding ecology and behaviour of male edible dormice (Glis glis). Mammalian Biology 74:114-124

Schwensow N, Fietz J, Dausmann K, Sommer S (2008) MHC-associated mating strategies and the importance of overall genetic diversity in an obligate pair-living primate. Evolutionary Ecology 22: 617-636

Blank J, Stauss M, Tomiuk J, Fietz J, Segelbacher G (2007) Habitat type does not affect population genetic structure in sympatric great tits (Parus major) and blue tits (P. caeruleus). Journal of Negative Results - EEB 4:1-14

Schwensow N, Fietz J, Dausmann K, Sommer S (2007) Neutral versus adaptive genetic variation in parasite resistance: importance of MHC-supertypes in a free-ranging primate. Heredity:1-13

Ruf T, Fietz J, Schlund W, Bieber C (2006) High survival in poor years: Life history tactics adapted to mast seeding in the edible dormouse. Ecology 87:372-381

Tomiuk J, Stauss M, Segelbacher G, Fietz J, Kömpf J, Bachmann L (2006) Female genetic heterogeneity affects the reproduction of great tits (Parus major L. 1758) in low quality woodlands. Journal of Systematical Zoology and Evolutionary Research 45:144-150

Fietz J, Pflug M, Schlund W, Tataruch F (2005) Influences of the feeding ecology on body mass and possible implications for reproduction in the edible dormouse (Glis glis). Journal of Comparative Physiology B 175:45-55

Hapke A, Fietz J, Nash SD, Rakotondravony D, Rakotosamimanana B, Ramananmanjato J-B, Randira GFN, Zischler H (2005) Biogeography of dwarf lemurs: genetic evidence for unexpected patterns in Southeastern Madagascar. International Journal of Primatology 26:873-901

Fietz J, Schlund W, Dausmann KH, Regelmann M, Heldmaier G (2004) Energetic constraints on sexual activity in the male edible dormouse (Glis glis). Oecologia 138:202-209

Ganzhorn J, Pietsch T, Fietz J, Gross S, Schmid J, Steiner N (2004) Selection of food and ranging behaviour in a sexually monomorphic folivorous lemur: Lepilemur ruficaudatus. Journal of Zoology 263:393-399

Voigt FA, Bleher B, Fietz J, Ganzhorn J, Schwab D, Böhning-Gaese K (2004) A comparison of morphological and chemical fruit traits between two sites with different frugivore assemblages. Oecologia 141:94-104

Fietz J, Dausmann KH (2003) Costs and potential benefits of parental care in the nocturnal fat-tailed dwarf lemur (Cheirogaleus medius). Folia Primatologica 74:246-258

Fietz J, Tataruch F, Dausmann KH, Ganzhorn JU (2003) White adipose tissue composition in the free-ranging fat-tailed dwarf lemur (Cheirogaleus medius; Primates), a tropical hibernator. Journal of Comparative Physiology B 173:1-10

Stauss M, Tomiuk J, Segelbacher G, Driesel S, Fietz J, Bachmann L, Kömpf J (2003) Sex-specific recombination rates in Parus major and P. caeruleus, an exception from Huxley's rule. Hereditas 139:199-205

Fietz J, Zischler H, Schwiegk C, Tomiuk J, Dausmann KH, Ganzhorn JU (2000) High rates of extra-pair young in the pair-living fat-tailed dwarf lemur, Cheirogaleus medius. Behavioral Ecology and Sociobiology 49:8-17

Fietz J (1999) Mating system of Microcebus murinus. American Journal of Primatology 48:127-133

Fietz J (1999) Monogamy as a rule rather than exception in nocturnal lemurs: The case of the fat-tailed dwarf lemur, Cheirogaleus medius. Ethology 105:259-272

Fietz J, Ganzhorn JU (1999) Feeding ecology of the hibernating primate Cheirogaleus medius: How does it get so fat? Oecologia 121:157-164

Ganzhorn JU, Fietz J, Rakotovao E, Schwab D, Zinner D (1999) Lemurs and the regeneration of dry deciduous forest in Madagascar. Conservation Biology 13:794-804

Fietz J (1998) Body mass in wild Microcebus murinus over the dry season. Folia Primatologica 69:183-190

Book chapters

Ganzhorn JU, Andrianasolo T, Andrianjazalahatra T, Donati G, Fietz J, Lahann P, Norscia I, Rakotondranary J, Rakotondratsima BM, Ralison J, Ramarokoto REAF, Randriamanga S, Rasarimanana S, Rakotosamimanana B, Ramanamanjato J-B, Randria G, Rasolofoharivelo MT, Razanahoera-Rakotomalala M, Schmid J, Sommer S (2008) Lemurs in evergreen littoral forest fragments. In: Vincelette M., Ganzhorn JU, Goodman SM (eds) Biodiversity, Ecology and Conservation of the Littoral Ecosystems of South-eastern Madagascar. Smithsonian Institution Press, pp 223-235

Fietz J, Dausmann K (2006) Big is beautiful - fat storage and hibernation as a strategy to cope with marked seasonality in the fat-tailed dwarf lemur (Cheirogaleus medius). In: Gould L, Sauther M (eds) Lemurs: ecology and adaptation. Springer, Heidelberg, pp 97-110

Bollen A, Donati G, Fietz J, Schwab D, Ramanamanjato J-B, Randrihasipara L, Van Elsacker L, Ganzhorn J (2005) An intersite comparison on fruit characteristics in Madagascar: evidence for selection pressure through abiotic constraints rather than through co-evolution. In: Dew J, Boubli J (eds) Fruits and Frugivores: The Search for Strong Interactors. Kluwer Academic Press, New York, pp 92-118

Schmid J, Fietz J, Randriarimalala Z (2005) Lemurs of the Mantady-Zahamena Corridor, Madagascar. In: Alonso L, Schmid J (eds) A rapid biological assessment of the Mantadia-Zahamena Corridor, Madagascar RAP Bulletin of Biological Assessment No.32. Conservation International, Washington, DC, pp 74-86

Fietz J (2003a) Primates: Cheirogaleus, Dwarf Lemurs or Fat-tailed Lemurs. In: Goodman S, Benstead J (eds) Natural History of Madagascar. University of Chicago Press, Chicago, pp 1307-1309

Fietz J (2003b) Pair-living and mating strategies in the fat-tailed dwarf lemur (Cheirogaleus medius). In: Reichard U, Boesch C (eds) Monogamy: Mating Strategies and Partnerships in Birds, Humans and other Mammals. Cambridge University Press, Cambridge, pp 214-231

Fietz J (1999b) Demography and floating males in a population of Cheirogaleus medius. In: Rakotosamimanana B, Rasaminanana H, Ganzhorn JU (eds) New Directions in Lemur Studies. Kluwer Academic/ Plenum Publishers, New York, pp 159-172

Conference contributions

Fietz J (2010) Behavioural and physiological consequences of male reproductive trade-offs in edible dormice (Glis glis) at the German Zoological Society (DZG), Hamburg, Germany

2009 Workshop: „Statical Analysis in Ecology with R“ Institute of Wildlife Ecology, Vienna, Austria

Fietz J (2009) Is energy supply the trigger for reproductive activity in male edible dormice (Glis glis)? Invited talk at the Symposia of Ecology and Energetics, University of Hamburg, Germany

2007 invited speaker at the symposia: „Quo vadis Nachwuchsforschung?“ Of the ministry of science, research and art Baden-Württemberg

Fietz J (2003) Prerequisites and consequences of hibernation under different climatic conditions; Invited talk at the University of Tübingen, Germany

Fietz J (2003) White adipose tissue composition and hibernation, a comparison between a tropical and a temperate hibernator: Cheirogaleus medius and Glis glis; Invited talk at the Institute of Wildlife Ecology, Vienna, Austria

Fietz J, Tataruch F, Dausmann KH, Ganzhorn JU (2001) Fat accumulation and composition in the fat-tailed dwarf lemur (Cheirogaleus medius; Primates) a tropical hibernator. Primatological Society, Zürich, Switzerland

Fietz J (2001) Pair-living and mating strategies in the fat-tailed dwarf lemur (Cheirogaleus medius). Workshop at the Max Planck Institute of Evolutionary Anthropology: Monogamy: Partnerships in Birds, Humans and other Mammals, Leipzig, Germany, invited speaker

Fietz J, Zischler H, Schwiegk C, Tomiuk J, Dausmann KH, Ganzhorn JU (2001) High rates of extra-pair young in the pair-living fat-tailed dwarf lemur (Cheirogaleus medius). XXVII International Ethological Conference, Tübingen, Germany

Fietz J (2001) Monogamy in nocturnal lemurs: the case of the fat-tailed dwarf lemur (Cheirogaleus medius). International Primatological Society in Adelaide, Australia, invited speaker

Fietz J, Ganzhorn JU (2000) Feeding ecology of the hibernating primate Cheirogaleus medius: how does it get so fat?. Life in the cold: eleventh international hibernation symposium; Jungholz, Germany

Fietz J, Ganzhorn JU (2000) Feeding ecology of the hibernating primate Cheirogaleus medius: how does it get so fat?. Society of Tropical Ecology; Würzburg, Germany

Fietz J (1999) Family groups and floating males in Cheirogaleus medius; Workshop at the University of Lausanne: Measuring kinship, Lausanne, Switzerland

Fietz J (1999) Family groups and floating males in Cheirogaleus medius. Primatological Society, Utrecht, Netherlands

Fietz J (1998) Monogamy in a nocturnal lemur Cheirogaleus medius. International Primatological Society in Antanananarivo, Madagascar

Fietz J (1997) Parental care and Monogamy in Cheirogaleus medius. Primatological Society, Berlin, Germany

Fietz J, Schlund W (1995) Influence of the habitat on the reproductive biology in edible dormice (Myoxus glis). German Society for Mammalogy, Göttingen, Germany

Fietz J (1995) Mating and social system of the Lesser Mouse Lemur (Microcebus murinus, Cheirogaleidae; JF Miller 1777) in the dry deciduous forest of western Madagascar. Primatological Society, Kassel, Germany

Fietz J (1995) Distribution and mating system in Microcebus murinus, JF: Miller, 1777. International Conference on the Biology and Conservation of Prosimians. North of England Zoological Society, Chester, England