Publication list for employee

Publication list for Torkild Tveraa

2013

*Ballesteros, M., Bårdsen, B.-J., Fauchald, P., Langeland, K., Stien, A. & Tveraa, T. 2013. Combined effects of long-term feeding, population density and vegetation green-up on reindeer demography. - Ecosphere 4(4). 45. Show details
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Tveraa, T. & Stien, A. 2013. Bestandstilvekst og tap i svenske samebyer med sommerbeiter i indre Troms. - NINA Minirapport 474. 20 pp. Norsk institutt for naturforskning (NINA), Tromsø.
Tveraa, T. & Stien, A. 2013. Bestandstilvekst og tap i svenske samebyer med sommerbeiter i indre Troms. - NINA Minirapport 474. 20 pp. Norsk institutt for naturforskning (NINA), Tromsø.
*Tveraa, T., Stien, A., Bårdsen, B.-J. & Fauchald, P. 2013. Population densities, vegetation green-up, and plant productivity: impacts on reproductive success and juvenile body mass in reindeer. - PLoS ONE 8(2). e56450. Show details
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2012

*Ballesteros, M., Bårdsen, B.-J., Langeland, K., Fauchald, P., Stien, A. & Tveraa, T. 2012. The effect of warble flies on reindeer fitness: a parasite removal experiment. - Journal of Zoology (London) 287: 34-40. Show details
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*Bårdsen, B.-J. & Tveraa, T. 2012. Density-dependence vs. density-independence – linking reproductive allocation to population abundance and vegetation greenness. - Journal of Animal Ecology 81(2): 364-376. Show details
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*Chambert, T., Staszewski, V., Lobato, E., Choquet, R., Carrie, C., McCoy, K.D., Tveraa, T. & Boulinier, T. 2012. Exposure of black-legged kittiwakes to Lyme disease spirochetes: dynamics of the immune status of adult hosts and effects on their survival. - Journal of Animal Ecology 81. 986–995. Show details
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Herfindal, I., Brøseth, H., Kjørstad, M.A., Linnell, J.D.C., Odden, J., Persson, J., Stien, A., Tveraa, T. & Ersson, L. 2012. Modellering av tap av tamrein til rovvilt – en risikomodell. - NINA Rapport 819. 33 pp. Norsk institutt for naturforskning (NINA), Trondheim. Show details
*Næss, M.W., Bårdsen, B.-J. & Tveraa, T. 2012. Wealth-dependent and interdependent strategies in the Saami reindeer husbandry, Norway. - Evolution and human behavior : official journal of the Human Behavior and Evolution Society 33: 696-707. Show details
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Tveraa, T., Ballesteros, M., Bårdsen, B.-J., Fauchald, P., Lagergren, M., Langeland, K., Pedersen, E. & Stien, A. 2012. Rovvilt og reindrift. Kunnskapsstatus i Finnmark. - NINA Rapport 821. 28 pp. Norsk institutt for naturforskning (NINA), Trondheim. Show details


2011

*Bårdsen, B.-J., Henden, J.-A., Fauchald, P., Tveraa, T. & Stien, A. 2011. Plastic reproductive allocation as a buffer against environmental stochasticity – linking life history and population dynamics to climate. - Oikos 120: 245-257. Show details
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*Fauchald, P., Skov, H., Skern-Mauritzen, M., Hausner, V.H., Johns, D. & Tveraa, T. 2011. Scale-dependent response diversity of seabirds to prey in the North Sea. - Ecology 92(1): 228-239. Show details
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*Fauchald, P., Skov, H., Skern-Mauritzen, M., Johns, D. & Tveraa, T. 2011. Wasp-waist interactions in the North Sea ecosystem. - PLoS ONE 6(7). e22729. Show details
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*Hausner, V.H., Fauchald, P., Tveraa, T., Pedersen, E., Jernsletten, J.-L., Ulvevadet, B., Ims, R.A., Yoccoz, N.G. & Bråthen, K.A. 2011. The Ghost of development past: the impact of economic security policies on saami pastoral ecosystems. - Ecology & Society 16(3). 4. Show details
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Herfindal, I., Brøseth, H., Kjørstad, M.A., Linnell, J.D.C., Odden, J., Persson, J., Stien, A. & Tveraa, T. 2011. Modellering av risikobasert erstatning for tap av tamrein til rovvilt - En vurdering av ulike datasetts egnethet. - NINA Minirapport 329. 24 pp. Norsk institutt for naturforskning, Trondheim.
*Næss, M.W., Bårdsen, B.-J., Pedersen, E. & Tveraa, T. 2011. Pastoral herding strategies and governmental management objectives: Predation compensation as a risk buffering strategy in the saami reindeer husbandry. - Human Ecology 39. 489–508. Show details
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2010

*Bårdsen, B.-J., Tveraa, T., Fauchald, P. & Langeland, K. 2010. Observational evidence of risk-sensitive reproductive allocation in a long-lived mammal. - Oecologia 162(3): 627-639. Show details
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*Næss, M.W., Bårdsen, B.-J., Fauchald, P. & Tveraa, T. 2010. Cooperative pastoral production — the importance of kinship. - Evolution and human behavior : official journal of the Human Behavior and Evolution Society 31: 246-258. Show details
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Tømmervik, H., Hofgaard, A., Callaghan, T.V., Karlsen, S.R., Järvinen, A., Tveraa, T. & Jonasson, C. 2010. Changes in growing season length in northernmost Fennoscandia for the 1873-2008 period as measured from historical and recent phenology data. Abstract. - in Abstracts [of the] IPY Oslo Science Conference, 8-12 June 2010, Oslo. Show details


2009

*Bårdsen, B.-J., Fauchald, P., Tveraa, T., Langeland, K. & Nieminen, M. 2009. Experimental evidence of cost of lactation in a low risk environment for a long-lived mammal. - Oikos 118: 837-852. Show details
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*Erikstad, K.E., Sandvik, H., Fauchald, P. & Tveraa, T. 2009. Short- and long-term consequences of reproductive decisions: an experimental study in the puffin. - Ecology 90(11): 3197-3208. Show details
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*Hanssen, S.A., Bustnes, J.O., Tveraa, T., Hasselquist, D., Varpe, Ø. & Henden, J.-A. 2009. Individual quality and reproductive effort mirrored in white wing plumage in both sexes of south polar skuas. - Behavioral Ecology 20: 961-966. Show details
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*Næss, M.W., Fauchald, P. & Tveraa, T. 2009. Scale dependency and the “Marginal” value of labor. - Human Ecology 37: 193-211. Show details
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2008

Anker-Nilssen, T. (ed.), Barrett, R.T., Bustnes, J.O., Christensen-Dalsgaard, S., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2008. SEAPOP studies in the Barents and Norwegian Seas in 2007. - NINA Rapport 363. 92 pp. Norsk institutt for naturforskning (NINA), Trondheim. Show details
*Boulinier, T., McCoy, K.D., Yoccoz, N., Gasparini, J. & Tveraa, T. 2008. Public information affects breeding dispersal in a colonial bird: kittiwakes cue on neighbours. - Biology Letters 4: 538-540. Show details
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*Bustnes, J.O., Fauchald, P., Tveraa, T., Helberg, M. & Skaare, J.U. 2008. The potential impact of environmental variation on the concentrations and ecological effects of pollutants in a marine avian top predator. - Environment International 34(2): 193-201. Show details
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*Bårdsen, B.-J., Fauchald, P., Tveraa, T., Langeland, K., Yoccoz, N. & Ims, R.A. 2008. Experimental evidence for a risk-sensitive reproductive allocation in a long-lived mammal. - Ecology 89(3): 829-837. Show details
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*Duneau, D., Boulinier, T., Gómez-Diaz, E., Petersen, A., Tveraa, T., Barrett, R.T. & McCoy, K.D. 2008. Prevalence and diversity of Lyme borreliosis bacteria in marine birds. - Infection, Genetics and Evolution 8: 352-359. Show details
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*Sandvik, H., Erikstad, K.E., Fauchald, P. & Tveraa, T. 2008. High survival of immatures in a long-lived seabird: insights from a long-term study of the Atlantic Puffin (Fratercula arctica). - Auk 125(3): 723-730. Show details
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Winther, J.-G., Andersen, R.T., Basberg, B.L., Boman-Larsen, T., Haugland, J.E., Njåstad, B., Orheim, O., Tveraa, T. & Monsen, O. 2008. Norge i Antarktis : fra erobring til moderne forskning. - Schibsted, Oslo. 239 pp. Show details


2007

Anker-Nilssen, T., Barrett, R.T., Bustnes, J.O., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2007. SEAPOP studies in the Lofoten and Barents Sea area in 2006. - NINA Rapport 249. 63 pp. Norwegian Institute for Nature Research (NINA), Trondheim. Show details
*Bråthen, K.A., Ims, R.A., Yoccoz, N., Fauchald, P., Tveraa, T. & Hausner, V. 2007. Induced shift in ecosystem productivity? Extensive scale effects of abundant large herbivores. - Ecosystems 10: 773-789. Show details
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*Bustnes, J.O., Tveraa, T., Varpe, Ø., Henden, J.-A. & Skaare, J.U. 2007. Reproductive performance and organochlorine pollutants in an Antarctic marine top predator : The south polar skua. - Environment International 33: 911-918. Show details
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*Fauchald, P., Rødven, R., Bårdsen, B.-J., Langeland, K., Tveraa, T., Yoccoz, N. & Ims, R.A. 2007. Escaping parasitism in the selfish herd: age, size and density-dependent warble fly infestation in reindeer. - Oikos 116: 491-499. Show details
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*Ims, R.A., Yoccoz, N., Bråthen, K.A., Fauchald, P., Tveraa, T. & Hausner, V. 2007. Can reindeer overabundance cause a trophic cascade?. - Ecosystems 10: 607-622. Show details
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*Staszewski, V., Gasparini, J., McCoy, K.D., Tveraa, T. & Boulinier, T. 2007. Evidence of an interannual effect of maternal immunization on the immune response of juveniles in along-lived colonial bird. - Journal of Animal Ecology 76: 1215-1223. Show details
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*Staszewski, V., McCoy, K.D., Tveraa, T. & Boulinier, T. 2007. Interannual dynamics of antibody levels in naturally infected long-lives colonial birds. - Ecology 88(12): 3183-3191. Show details
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*Tveraa, T., Fauchald, P., Yoccoz, N., Ims, R.A., Aanes, R. & Høgda, K.A. 2007. What regulate and limit reindeer populations in Norway. - Oikos 116: 706-715. Show details
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2006

Anker-Nilssen, T., Barrett, R.T., Bustnes, J.O., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2006. The SEAPOP programme - a milestone for the mapping and monitoring of seabirds in Norway. Poster. 9th International Conference of the Seabird Group, Aberdeen, 1-3 September 2006. Show details
*Anker-Nilssen, T., Barrett, R.T., Bustnes, J.O., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2006. The SEAPOP programme - a milestone for the mapping and monitoring of seabirds in Norway. - The Seabird Group Newsletter 103: 11-12. Show details
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Anker-Nilssen, T., Barrett, R.T., Bustnes, J.O., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2006. SEAPOP studies in the Lofoten and Barents Sea area in 2005. - NINA Rapport 127. 38 pp. Show details
*Bustnes, J.O., Erikstad, K.E., Hanssen, S.A., Tveraa, T., Folstad, I. & Skaare, J.U. 2006. Anti-parasite treatment removes negative effects of environmental pollutants on reproduction in an arctic seabird. - Proceedings of the Royal Society of London. B Biological sciences 273: 3117-3122. Show details
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*Bustnes, J.O., Tveraa, T., Henden, J.-A., Varpe, Ø., Janssen, K. & Skaare, J.U. 2006. Organochlorines in antarctic and arctic avian top predators: A comparison between the South Polar Skua and two species of Northern Hemisphere Gulls. - Environmental Science & Technology 40(8): 2826-2831. Show details
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*Fauchald, P. & Tveraa, T. 2006. Hierarchical patch dynamics and animal movement pattern. - Oecologia 149: 383-395. Show details
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Fauchald, P., Lorentsen, S.-H., Systad, G.H. & Tveraa, T. 2006. Utbredelsen av sjøfugl i Skagerrak, Kattegat og Nordsjøen. - NINA Rapport 171. 54 pp. Show details


2005

Anker-Nilssen, T., Bustnes, J.O., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Tveraa, T., Strøm, H. & Barrett, R. 2005. SEAPOP. Et nasjonalt sjøfuglprogram for styrket beslutningsstøtte i marine områder. Et nasjonalt sjøfuglprogram for styrket beslutningsstøtte i marine områder. - NINA Rapport 1. 66 pp. Show details
Bustnes, J.O., Skaare, J.U., Berg, V. & Tveraa, T. 2005. Interseasonal variation in blood concentrations of organochlorines in great black-backed gulls (Larus marinus). - Environmental Toxicology and Chemistry 24(7): 1801-1806. Show details
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Fauchald, P. & Tveraa, T. 2005. 4. Reindrift og fjelløkosystemet. - p. 33-39 in Jonsson, B. & Yoccoz, N. (eds.) Økosystemdynamikk: menneskelig påvirkning på biologisk mangfold. NINAs strategiske instituttprogrammer 2001-2005. NINA Temahefte 33. Show details
Fauchald, P., Tveraa, T., Bårdsen, B.-J. & Langeland, K. 2005. Utbredelsen av sjøfugl i Norskehavet og Barentshavet. - NINA Rapport 64. 35 pp. Show details
Varpe, Ø. & Tveraa, T. 2005. Chick survival in relation to nest site: is the Antarctic petrel hiding from its pradator?|. - Polar Biology 28: 388-394. Show details
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2004

*Fauchald, P., Tveraa, T., Henaug, C. & Yoccoz, N. 2004. Adaptive regulation of body reserves in reindeer, Rangifer tarandus: a feeding experiment. - Oikos 107(3): 583-591. Show details
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Fauchald, P., Tveraa, T., Yoccoz, N. & Ims, R.A. 2004. En økologisk bærekraftig reindrift. Hva begrenser naturlig produksjon og høsting?. - NINA Fagrapport 76. 35 pp. Show details
Varpe, Ø., Tveraa, T. & Folstad, I. 2004. State-dependent parental care in the Antartic petrel: responses to manipulated chick age during early chick rearing. - Oikos 106: 479-488. Show details
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2003

Andersen, R., Bjerke, T., Brainerd, S.M., Bruteig, I.E., Brøseth, H., Gjershaug, J.O., Hustad, H., Landa, A., Linnell, J.D.C., Nygård, T., Pedersen, H.C., Skogen, K., Solberg, E.J., Svarstad, H., Swenson, J.E., Sæther, B.-E. & Tveraa, T. 2003. Utredninger i forbindelse med ny rovviltmelding : Fremtidige FoU - oppgaver knyttet til store rovdyr i Norge. - NINA Fagrapport 67. 14pp. Show details
Fauchald, P. & Tveraa, T. 2003. Using first-passage time in the analysis of area-restricted search and habitat selection. - Ecology 84(2): 282-288. Show details
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Fauchald, P., Tveraa, T., Yoccoz, N. & Henaug, C. 2003. Tapsforebygging i reindriften: Effekten av vinterforing og kalving i gjerde. - NINA Oppdragsmelding 773. 13pp. Show details
Tremblay, Y., Cherel, Y., Oremus, M., Tveraa, T. & Chastel, O. 2003. Unconvential ventral attachment of time-depth recorders as a new method for investigating time budget and diving behaviour of seabirds. - Journal of Experimental Biology 206: 1929-1940. Show details
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Tveraa, T., Fauchald, P., Henaug, C. & Yoccoz, N. 2003. An examination of a compensatory relationship between food limitation and predation in semi-domestic reindeer. - Oecologia 137: 370-376. Show details
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Tveraa, T., Fauchald, P., Yoccoz, N. & Henaug, C. 2003. Sammenhengen mellom simlens størrelse, kalveproduksjon og rovdyr tap i år svært ulike beiteforhold. - NINA Oppdragsmelding 774. 14pp. Show details


2002

Boulinier, T., Yoccoz, N., McCoy, K.D., Erikstad, K.E. & Tveraa, T. 2002. Testing the effect of conspecific reproductive success on dispersal and recruitment decisions in a colonial bird: design issues. - Journal of Applied Statistics 29(1-4): 509-520. Show details
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Gasparini, J., McCoy, K.D., Tveraa, T. & Boulinier, T. 2002. Related consentrations of specific immunoglobulins against the Lyme disease agent Borrelia burgdorferi sensu lato in eggs, young and adults of the kittiwake (Rissa tridactyla). - Ecology Letters 5(4): 519-524. Show details
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Tveraa, T. & Christensen, G.N. 2002. Body condition and parental decisions in the snow petrel (Pagodroma nivea). - Auk 119: 266-270. Show details
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Yoccoz, N., Erikstad, K.E., Bustnes, J.O., Hanssen, S.A. & Tveraa, T. 2002. Costs of reproduction in common eiders (Somateria mollissima): an assessment of relationships between reproductive effort and future survival and reproduction based on observational and experimental studies. - Journal of Applied Statistics 29(1-4): 57-64. Show details
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2001

Gasparini, J., McCoy, K.D., Haussy, C., Tveraa, T. & Boulinier, T. 2001. Induced maternal response to the Lyme disease spirochete Borrelia burgdorferi in an Arctic seabird. - Proceedings of the Royal Society of London. B Biological sciences 278: 617-620. Show details
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Landa, A., Andersen, R., Halgunset, I., Henaug, C., Mathisen, J.H., Valnes, F., Fox, J.L., Holand, Ø. & Tveraa, T. 2001. Tapsrelaterte problemstillinger hos tamrein i Troms. - NINA Fagrapport 50. 44 pp. Trondheim, Stiftelsen for naturforskning og kulturminneforskning. Show details
Weimerskirch, H.J., Chastel, O., Cherel, Y., Tveraa, T. & Henden, J.-A. 2001. Nest attendance and foraging movements of Northern fulmars rearing chicks at Bjørnøya, Barents Sea. - Polar Biology 24(2): 83-88. Show details
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