Harry Andreassen / Staff/ Ansatte / Campus Evenstad / English / hihm

Harry Andreassen

Dean / Professor in population biology

E-mail: harry.andreassen@hihm.no Phone: +47 62430852 Mobile: +47 92831202 Fax: +47 62430851 Mailing address: Hedmark University College Faculty of Forestry and Wildlife Management Campus Evenstad NO-2480 Koppang Norway

Research interests: Population biology, Conservation biology, Landscape ecology, Behaviour, Space use and spatial analyses

Teaching: 6SU321 Study design and statistical modelling (10 ECTS, graduate, English)

International refereed publications: Nilsen, E.B., Skonhoft, A., Mysterud, A., Milner, J., Solberg, E.J., Andreassen, H.P. and Stenseth, NM.C. (2009) The role of ecological and economic factors in the management of a spatially structured moose population (In press in J. Appl Ecol). Johannesen, E. and Andreassen, H.P. (2008) Density-dependent variation in body mass of voles. Acta Theriologica 53: 169-173. Pederse, S., Nilsen, E.B. and Andreassen, H.P. (2008) Moose winter browsing affects the breeding success of great tits. Ecoscience 14: 499-506. Gundersen, H., Solberg, E.J., Wabakken, P., Storaas, T., Zimmermann, B., and Andreassen, H.P. (2008) Three approaches to estimate wolf Canis lupus predation rates on moose Alces alces populations. European Journal of Wildlife Research 54:335-346. Eriksen, A., Wabakken, P., Zimmermann, B., Andreassen, H.P. , Arnemo, J.M., Gundersen, H., Milner, J., Liberg, O., Linnell, J., Pedersen, H.C., Sand, H., Solberg, E.J., and Storaas, T. (2007) Encounter frequencies between GPS-collared wolves (Canis lupus) and moose (Alces alces) in a Scandinavian wolf territory. Ecological Research Milner, J.M., Nilsen, E.B. and Andreassen, H.P. (2007). Demigraphic side effects of selective hunting in ungulates and carnivores. Conservation Biology 21: 36-47. Le Galliard, J. F., Gundersen, G., Andreassen, H. P. and Stenseth, N. C. (2006) Natal dispersal, interactions among siblings and intrasexual competition. Behavioral Ecology 17: 733-740. Skonhoft, A., Stenseth, N.C., Leirs, H., Andreassen, H. P. and Mulungu, L. S. A. (2006) The bioeconomics of controlling an african rodent pest species. Environment and Development Economics 11: 453-475. Andreassen, H. P. and Gundersen, G. (2006) Male turnover reduces population growth: An enclosure experiment on voles. Ecology 87: 88-94. Andreassen, H. P. , Gundersen, H. And Storaas, T. (2005) The effect of scent-marking, forest clearing, and supplemental feeding on moose-train collisions. Journal of Wildlife Management 69: 1125-1132. Nilsen, E. B., Pettersen, T., Gundersen, H., Milner, J. M., Mysterud, A., Solberg, E. J., Andreassen, H. P. and Stenseth, N. C. (2005) Moose harvesting strategies in the presence of wolves. Journal of Applied Ecology 42: 389-399. Ims, R. A. and Andreassen, H. P. (2005) Density dependent dispersal and spatial population dynamics.Proceedings of the Royal Society B-Biological Sciences 272: 913-918. Skarpe, C., Aarestad, P. A., Andreassen, H. P. , Dhillion, S. S., Dimakatso, T., du Toit, J. T., Halley, D. J., Hytteborn, H., Makhabu, S., Mari, M., Marokane, W., Masunga, G., Modise, D., Moe, S. R., Mojaphoko, R., Mosugelo, D., Motsumi, S., Neo-Mahupeleng, G., Ramotadima, M., Rutina, L., Sechele, L., Sejoe, T. B., Stokke, S., Swenson, J. E., Taolo, C., Vandewalle, M. and Wegge. P. (2004) The return od the giants: Ecological effects of an increasing elephant population. Ambio 33: 276-282. Gundersen, H., Andreassen, H. P. And Storaas, T. (2004) Supplemental feeding of migratory moose Alces alces : Forest damage at two spatial scales. Wildlife Biology 10: 213-223. Stenseth, N. C., Leirs, H., Skonhoft, A., Davis, S. A., Pech, R. B., Andreassen, H. P. , Singleton, G. R., Lima, M., Machangu, R. S., Zhang, Z., Brown, P. B., Shi, D. and Wan X. (2003) Mice, rats and men - the bio-economics of agricultural rodent pests. Frontiers in Ecology and the Environment 1: 367-375. Johannesen, E., Aars, J., Andreassen, H. P. and Ims, R. A. (2003) A demographic analysis of vole population responses to fragmentation and destruction of habitat. Population Ecology 45: 47-58. Andreassen, H. P. , Stenseth, N. C. and Ims, R. A. (2002). Dispersal behaviour and population dynamics of vertebrates. Symposia of the British Ecological Society 42: 237-256. Gundersen, G., Andreassen, H. P. and Ims, R. A. (2002) Individual and population level determinants of immigration success on local habitat patches: An experimental approach. Ecological letters 5:294-301. Storaas, T., Gundersen, H., Henriksen, H. and Andreassen, H. P. (2001) The economic value of moose in Norway - a review. Alces 37: 97-107. Gundersen, G., Aars, J., Andreassen, H. P. and Ims, R. A. (2001) Inbreeding in the field: An experiment on root vole populations. Canadian Journal of Zoology 79: 1901-1905. Andreassen, H. P. and Ims, R. A. (2001) Dispersal in patchy vole populations: role of patch configuration, density-dependence and demography. Ecology 82: 2911-2926. Gundersen, G., Johannesen, E., Andreasse, H. P. and Ims, R. A. (2001) Source-sink dynamics: how sinks affect demography of sources. Ecology Letters 4: 14-21. Ims, R. A. and Andreassen, H. P. (2000) Spatial synchronization of vole population dynamics by predatory birds. Nature 408: 194-197. Johannesen, E., Aars, J., Andreassen, H. P. and Ims, R. A. (2000) The effect of patch isolation on reproductive synchrony in the root vole. Oikos 89: 37-41. Johannesen, E., Andreassen, H. P. and Ims, R. A. (2000) Spatial explicit demography: The effects habitat patch isolation have on vole matrilines. Ecology letters 3: 48-57. Hovland, N., Andreassen, H. P. and Ims, R. A. (1999) Foraging behaviour of the root vole Microtus oeconomus in fragmented habitats. Oecologia 121: 236-244. Ims, R. A. and Andreassen, H. P. (1999) Effects of experimental habitat fragmentation and connecivity on root vole demography. Journal of Animal Ecology 68: 839-852. Gundersen, G., Moe, J. A., Andreassen, H. P. , Carlsen, R. G. and Gundersen, H. (1999). Intersexual attraction in natal dispersing root voles Microtus oeconomus. Acta Theriologica 44:283-290. Mauritzen, M., Bergers, P. J. M., Andreassen, H. P. , Bussink, H. and Barendse, R. (1999). Root vole movement patterns: Do ditches function as habitat corridors? Journal of Applied Ecology. 36: 409-421. Andreassen, H. P. and Ims, R. A. (1998). The effects of experimental habitat destruction and patch isolation on space use and fitness parameters in female root vole Microtus oeconomus . Journal of Animal Ecology 67: 941-952. Gundersen, H., Andreassen, H. P. and Storaas, T. (1998). Spatial and temporal correlates to Norwegian moose-train collisions. Alces 34: 385-394. Johannesen, E. and Andreassen, H. P. (1998). Survival and reproduction of resident and immigrant female root voles ( Microtus oeconomus ). Canadian Journal of Zoology 76: 763-766. Gundersen, G. and Andreassen, H. P. (1998). Causes and consequences of natal dispersal in root voles, Microtus oeconomus . Animal Behaviour 56: 1355-1366. Andreassen, H. P. , Bjørnbom, E., Carlsen, R. G., Gundersen, G. and Gundersen, H. (1998). Visual cues as determinants of perceptual range in root voles Microtus oeconomus. Acta Theriologica 43:371-378. Andreassen, H. P. , Hertzberg, K. and Ims, R. A. (1998). Space-use responses to habitat fragmentation and connectivity in the root vole Microtus oeconomus . Ecology 79: 1223-1235. Gundersen, H. and Andreassen, H. P. (1998). The risk of moose Alces alces collision: A predictive logistic model for moose-train accidents. Wildlife Biology 4: 103-110. Bjørnstad, O. N., Andreassen, H. P. and Ims, R. A. (1998). Effects of habitat patchiness and connectivity on the spatial ecology of the root vole Microtus oeconomus . Journal of Animal Ecology 67: 127-140. Hansteen, T. L., Andreassen, H. P. and Ims, R. A. (1997). Effects of spatiotemporal scale on autocorrelation and home range estimators. Journal of Wildlife Management 61: 280-290. Johannesen, E., Andreassen, H. P. and Steen, H. (1997). Effect of radiocollars on survival of root voles. Journal of Mammalogy 78: 638-642. Fauske, J., Andreassen, H. P. and Ims, R. A. (1997). Spatial organization in a small population of the root vole Microtus oeconomus in a linear habitat. Acta Theriologica 42: 79-90. Andreassen, H. P. , Ims, R. A. and Steinset, O. K. (1996). Discontinuous habitat corridors: effects on male root vole movements. Journal of Applied Ecology 33: 555-560. Andreassen, H. P. , Halle, S. and Ims, R. A. (1996). Optimal width of movement corridors for voles: not too narrow and not too wide. Journal of Applied Ecology 33:63-70. Hovland, N. and Andreassen, H. P. (1995). Fluorescent powder as dye in bait for studying foraging areas in small mammals. Acta Theriologica 40: 315-320. Aars, J., Andreassen, H. P. , and Ims, R. A. (1995). Root voles - litter sex ratio variation in fragmented habitat. Journal of Animal Ecology 64:459-472. Dos Santos, E. M., Andreassen, H. P. and Ims, R. A. (1995). Differential inbreeding tolerance in two geographically distinct strains of root voles Microtus oeconomus . Ecography 18: 238-247. Aars, J., Andreassen, H. P. and Ims, R. A. (1994). The use of fluorescent pigment to establish mother-offspring relationship in small mammals. Mammalia 58:649-655. Andreassen, H. P. , Ims, R. A., Stenseth, N. C. and Yoccoz N. G. (1993). Investigating space use by means of radiotelemetry and other methods: a methodological guide. Linnean Society of London symposium series 15: 589-618. Ims, R. A. and Andreassen, H. P. (1991). Does kinship influence space use and dispersal in male grey-sided voles ? Oikos 62: 216-220. Andreassen, H. P. and Bondrup-Nielsen, S. (1991). A comparison of the effects of a moss diet and a varied diet on the growth of juvenile Wood lemmings, Myopus schisticolor . Zeitschrüft für Sãugertierkunde 56: 378-379. Andreassen, H. P. and Bondrup-Nielsen, S. (1991). Home range size and activity of wood lemming, Myopus schisticolor . Holarctic Ecology 14: 138-141. Andreassen, H. P. and Ims R. A. (1990). Responses of female grey-sided voles Clethrionomys rufocanus to malnutrition: a combined laboratory and field experiment. Oikos 59: 107-114. Ims, R. A. and Andreassen, H. P. (1999). Demographic synchrony in fragmented populations. In: G. W. Barrett amd Peles, J. D. (eds.): The ecology of small mammals at the landscape level: experimental approaches. Springer Verlag, Berlin. Pages 129-146.