R. H. Akçakaya, Population cycles of mammals: evidence for a ratio-dependent predation hypothesis, Ecol. Monogr, vol.62, pp.119-142, 1992.

H. W. Ambrose, Effect of habitat familiarity and toeclipping on rate of owl predation in Microtus pennsylvanicus, J. Mammal, vol.53, pp.909-912, 1972.

M. Andersson, Breeding behaviour of the Long-tailed Skua Stercorarius longicaudus (Vieillot).-Ornis Scand, vol.2, pp.35-54, 1971.

M. Andersson, Population ecology of the Long-tailed Skua (Stercorarius longicaudus Vieill, J. Anim. Ecol, vol.45, pp.537-559, 1976.

M. Andersson, Clutch size in the Long-tailed Skua Stercorarius longicaudus: some field experiments, Ibis, vol.118, pp.586-588, 1976.

M. Andersson, Influence of trap saturation on estimates of animal abundance based on catch per unit effort, Oikos, vol.27, pp.316-319, 1976.

M. Andersson, Reproductive tactics of the long-tailed skua Stercorarius longicaudus, Oikos, vol.37, pp.287-294, 1981.

M. Andersson and S. Erlinge, Influence of predation on rodent populations, Oikos, vol.29, pp.591-597, 1977.

R. Andrzejewski and E. Rajska, Trappability of bank vole in pitfalls and live traps, Acta Theriol, vol.4, pp.41-56, 1972.

P. Angelstam, E. Lindström, and P. Widén, Role of predation in short-term population fluctuations of some birds and mammals in Fennoscandia, Oecologia, vol.62, pp.199-208, 1984.

P. Angelstam, E. Lindström, and P. Widén, Synchronous short-term population fluctuations of some birds and mammals in Fennoscandia.-Holarctic Ecol, vol.8, pp.285-298, 1985.

R. M. Anthony, Home ranges and movements of Arctic fox (Alopex lagopus) in Western Alaska, Arctic, vol.50, pp.147-157, 1997.

R. M. Anthony, N. L. Barten, and P. E. Seiser, Foods of Arctic foxes (Alopex lagopus) during winter and spring in western, Alaska.-J. Mammal, vol.81, pp.820-828, 2000.

G. O. Batzli, Dynamics of small mammal populations: a review, Wildlife 2001: populations. London, pp.831-849, 1992.

T. D. Beacham, Selectivity of avian predation in declining populations of the vole Microtus townsendii.-Can, J. Zool, vol.57, pp.1767-1772, 1979.

M. Begon, J. L. Harper, and C. R. Townsend, Ecology. Individuals, populations and communities, 1996.

D. Boertmann, An annoted checklist to the birds of Greenland, Bioscience, vol.38, 1994.

R. Boonstra, Predation on Microtus townsendii populations: impact and vulnerability.-Can, J. Zool, vol.55, pp.1631-1643, 1977.

R. Boonstra and C. J. Krebs, A fencing experiment on a high-density population of Microtus townsendii.-Can, J. Zool, vol.55, pp.1166-1175, 1977.

G. R. Bourne, The role of profitability in snail kite foraging, J. Anim. Ecol, vol.54, pp.697-709, 1985.

P. C. Boxall and M. R. Lein, Are owl regular? An analysis of pellet regurgitation times of Snowy Owls in the wild.-Raptor Res, vol.16, pp.79-82, 1983.

R. J. Brooks, Dynamics of home range in collared lemming, The Biology of Lemmings, pp.355-386, 1993.

R. J. Brooks and E. M. Banks, Radio-tracking study of lemming home range, Communications in Behavioral Biology, vol.6, pp.1-5, 1971.

J. S. Brown, B. P. Kotler, R. J. Smith, I. I. Wirtz, and W. O. , The effects of owl predation on the foraging behaviour of heteromyd rodents, Oecologia, vol.76, pp.408-415, 1988.

E. L. Bull, M. G. Henjum, and R. S. Rohweder, Diet and optimal foraging of great grey owls, J. Wildl. Manage, vol.53, pp.47-50, 1989.

H. Busse and E. Busse, Erfolgreiche künstliche Aufzucht von Schnee-Eulen (Nyctea scandiaca L.) im Tierpark Berlin, vol.46, pp.145-156, 1976.

A. D. Carothers, The effect of unequal catchability on Jolly-Seber estimates, Biometrics, vol.29, pp.79-100, 1973.

E. L. Charnov, G. H. Orians, and K. Hyatt, Ecological implications of resource depression, Am. Nat, vol.110, pp.247-259, 1976.

D. Chitty, A laboratory study of pellet formation in the short-eared owl (Asio flammeus).-Proc, Zool. Soc. Lond. Ser. A, vol.108, pp.267-287, 1938.

H. Chitty, Canadian Arctic wild life enquiry, 1943-49: with summary of results since 1933, J. Anim. Ecol, vol.19, pp.180-193, 1950.

D. Chitty, The natural selection of self regulatory behaviour in animal populations, Proc. Ecol. Soc. Australia, vol.2, pp.51-78, 1967.

J. Christian, The adreno-pituitary system and population cycles in mammals, J. Mammal, vol.31, pp.247-259, 1950.

S. Cramp and K. E. Simmons, Handbook of the birds of Europe the Middle East and North Africa. Volume III Waders to Gulls, pp.675-685, 1983.

A. N. Danilov, Distribution of lemming burrow density at the Khadyta biological station, Ekologiia, vol.5, pp.411-412, 1995.

J. De-korte, Report of the Nederlandse Groenland Expeditie Scoresbysund 1973, 1974 and 1975. Part one: Distribution and Density, Beaufortia, vol.328, pp.201-219, 1977.

J. De-korte, Ecology of the Long-tailed Skua (Stercorarius longicaudus Vieillot, 1819) at Scoresby Sund, East Greenland. Part two: arrival, site tenacity and departure, Beaufortia, vol.34, pp.1-14, 1984.

J. De-korte, Ecology of the Long-tailed Skua, Stercorarius longicaudus Vieillot, 1819, at Scoresby Sund, East Greenland. Part three: clutch size, laying date and incubation in relation to energy reserves, Beaufortia, vol.35, pp.93-127, 1985.

J. De-korte, Ecology of the Long-tailed Skua, Stercorarius longicaudus, Bijdragen tot de Dierkunde, vol.56, pp.1-23, 1986.

J. De-korte and J. Wattel, Food and breeding succes of the long-tailed skua at Scoresby Sund, Northeast Greenland, Ardea, vol.76, pp.27-41, 1988.

C. R. Dickman, M. Predavec, and A. J. Lynam, Differential predation of size and sex classes of mice by the barn owl, Tyto alba, Oikos, vol.62, pp.67-76, 1991.

G. E. Duke, A. A. Jegers, G. Loff, and O. A. Evanson, Gastric digestion in some raptors, Biochem. Physiol, vol.50, pp.649-656, 1975.

W. W. Dunmire, Sex dimorphism in the pelvis of rodents, Journal of Mammalogy, vol.36, pp.356-361, 1955.

L. E. Eberhardt and W. C. Hanson, Long-distance movements of arctic foxes tagged in northern Alaska.-Can. Field Nat, vol.92, pp.386-389, 1978.

C. Elton, Periodic fluctuations in the numbers of animals: their causes and effects.Br, J. Exp. Biol, vol.2, pp.119-163, 1924.

C. Elton, Voles, mices and lemmings: problems in population dynamics, 1942.

S. Erlinge, G. Göransson, L. Hansson, G. Högstedt, O. Liberg et al., Predation as a regulating factor on small rodent populations in southern Sweden, Oikos, vol.40, pp.36-52, 1983.

P. L. Errington, Predation and vertebrate populations, Qt. Rev. Biol, vol.21, pp.144-177, 1946.

P. L. Errington, Factors limiting higher vertebrate populations, Science, vol.124, pp.304-307, 1956.

P. L. Errington, The phenomenon of predation, American Scientist, vol.51, pp.180-192, 1963.

J. Feilberg, B. Fredskild, and S. Holt, Flowers of Greenland.-Ringsted, Ahrent Flensborgs Forlag, 1984.

B. Fredskild, The vegetation types of Northeast Greenland: a phytosociological study based mainly on material left by Th. Sorensen from the 1931-35 expeditions, 1998.

. Gron, , vol.49, pp.1-84

W. A. Fuller, A. M. Martel, R. F. Smith, and S. W. Speller, High-arctic lemmings (Dicrostonyx groenlandicus). I. Natural history observations.-Can. Field Nat, vol.53, pp.867-878, 1975.

W. A. Fuller, A. M. Martel, R. F. Smith, and S. W. Speller, Biology and secondary production of Dicrostonyx groenlandicus on Truelove Lowland, pp.437-459, 1977.

R. W. Furness, The skuas.-Calton, Poyser, vol.363, 1987.

V. M. Galushin, Synchronous fluctuations in populations of some raptors and their prey, Ibis, vol.116, pp.127-134, 1974.

O. Gilg, The summer decline of the collared lemming, Dicrostonyx groenlandicus in high arctic Greenland.-Oikos, vol.99, pp.499-510, 2002.

O. Gilg and A. Hurstel, Prey selection by birds of prey on a lemming population in Northeast Greenland, 8 th Arctic Biological Forum, p.16, 2000.

O. Gilg and A. Hurstel, Prey selection by birds of prey on a lemming population in Northeast Greenland

O. Gilg, A. Hurstel, and B. Sittler, Impact des prédateurs aviens sur la démographie de leurs proies: les enseignements d'un système simplifié du Haut-Arctique (Groenland), 2003.

, Actes du 27 e Colloque Francophone d'Ornithologie, vol.71, pp.274-275

O. Gilg, B. Sittler, A. Hurstel, P. Delattre, and I. Hanski, Functional and numerical responses of four lemming predators in high arctic Greenland
URL : https://hal.archives-ouvertes.fr/hal-00511706

O. Gilg, B. Sabard, J. Ioset, and J. Wiest, Fjord Region Ecological Expedition: Field Report, 1995.

J. Goszczynski, Connections between predatory birds and mammals and their prey, Acta Theriologica, vol.22, pp.399-430, 1977.

P. R. Grant, Interspecific competition among rodents, Ann. Rev. Ecol. Syst, vol.3, pp.79-106, 1972.

S. Halle, Avian predation upon a mixed community of common voles (Microtus arvalis) and wood mice (Apodemus sylvaticus), Oecologia, vol.75, pp.451-455, 1988.

S. Halle, Diel pattern of predation risk in microtine rodents, Oikos, vol.68, pp.510-518, 1993.

R. M. Hansen, Influence of daylength on activity of the varying lemming, J. Mammal, vol.38, pp.218-223, 1957.

I. Hanski, L. Hansson, and H. Henttonen, Specialist predators, generalist predators, and the microtine rodent cycle, J. Anim. Ecol, vol.60, pp.353-367, 1991.

I. Hanski, H. Henttonen, E. Korpimäki, L. Oksanen, and P. Turchin, Small-rodent dynamics and predation, Ecology, vol.82, pp.1505-1520, 2001.

I. Hanski and E. Korpimäki, Microtine rodent dynamics in northern Europe: parameterized models for the predator-prey interaction, Ecology, vol.76, pp.840-850, 1995.

I. Hanski, P. Turchin, E. Korpimäki, and H. Henttonen, Population oscillations of boreal rodents: regulation by mustelid predators leads to chaos, Nature, vol.364, pp.232-235, 1993.

C. S. Holling, Some characteristics of simple types of predation and parasitism, Canadian Entomologist, vol.91, pp.385-398, 1959.

C. S. Holling, The functional response of predators to prey density and its role in mimicry and population regulation, Canada Memoirs, vol.45, pp.1-60, 1965.

W. Jedrzejewski, B. Jedrzejewska, A. Szymura, and K. Zub, Tawny owl (Strix aluco) predation in a pristine deciduous forest (Bialowieza National Park, Poland), J. Anim. Ecol, vol.65, pp.105-120, 1996.

T. S. Jensen, Trappability of various functional groups of the forest rodents Clethrionomys glareolus and Apodemus flavicollis, and ist application on density estimations, Oikos, vol.26, pp.196-204, 1975.

L. Koch, Report on the expeditions to central East Greenland 1926-39 conducted by Lauge Koch. Part 1: notes on some topographical and geological maps of East Greenland, Medd. Gron, vol.143, pp.1-10, 1950.

L. Koch and J. Haller, Geological map of East Greenland 72°-76° N. Lat.-Medd, 1971.

. Gron, , vol.183, pp.1-26

V. Koivunen, E. Korpimäki, and H. Hakkarainen, Differential avian predation on sex and size classes of small mammals: doomed surplus or dominant individuals, 1996.

. Zool and . Fenn, , vol.33, pp.293-301

V. Koivunen, E. Korpimäki, H. Hakkarainen, and K. Norrdahl, Prey choice of Tengmalm's owls (Aegolius funereus funereus): preference for substandard individuals?-Can, J. Zool, vol.74, pp.816-823, 1996.

E. Korpimäki, On the ecology and biology of Tengmalm's Owl (Aegolius funereus) in southern Ostrobothnia and Suomenselkä, western Finland.-Acta Univ, Ouluensis Ser. A Sci. Rerum Nat. Biol, vol.118, pp.1-84, 1981.

E. Korpimäki, Population dynamics of birds of prey in relation to fluctuations in small mammal populations in western Finland, Ann. Zool. Fennici, vol.21, pp.287-293, 1984.

E. Korpimäki, Rapid tracking of microtine populations by their avian predators: possible evidence for stabilizing predation, Oikos, vol.45, pp.281-284, 1985.

E. Korpimäki, Prey choice strategies of the Kestrel (Falco tinnunculus) in relation to available small mammals and other Finnish birds of prey, Ann. Zool. Fenn, vol.22, pp.91-104, 1985.

E. Korpimäki, Gradients in population fluctuations of Tengmalm's owl Aegolius funereus in Europe, Oecologia, vol.69, pp.195-201, 1986.

E. Korpimäki, Diet of breeding Tengmalm's Aegolius funereus: long-term changes and year-to-year variation under cyclic food conditions, Ornis Fennica, vol.65, pp.21-30, 1988.

E. Korpimäki, Regulation of multiannual vole cycles by density-dependent avian and mammalian predation, Oikos, vol.66, pp.359-363, 1993.

E. Korpimäki, Rapid or delayed tracking of multi-annual vole cycles by avian predators?, J. Anim. Ecol, vol.63, pp.619-628, 1994.

E. Korpimäki and C. J. Krebs, Predation and population Cycles of Small Mammals. A reassessment of the predation hypothesis, BioScience, vol.46, pp.754-763, 1996.

E. Korpimäki, M. Lagerström, and P. Saurola, Field evidence for nomadism in Tengmalm's owl Aegolius funereus, Ornis Scandinavica, vol.18, pp.1-4, 1987.

E. Korpimäki and K. Norrdahl, Predation of Tengmalm's owls: numerical responses, functional responses and dampening impact on population fluctuations of voles, Oikos, vol.54, pp.154-164, 1989.

E. Korpimäki and K. Norrdahl, Numerical and functional responses of kestrels, shorteared owls, and long-eared owls to vole densities, Ecology, vol.72, pp.814-826, 1991.

B. P. Kotler, Risk of predation and the structure of desert rodent communities, Ecology, vol.65, pp.689-701, 1984.

C. J. Krebs, The lemming cycle at Baker Lake, Northwest Territories, during 1959-62, Arct. Inst. N. Am. Techn. Pap, vol.15, pp.1-104, 1964.

C. J. Krebs and J. H. Myers, Population cycles in small mammals, Adv. Ecol. Res, vol.8, pp.267-399, 1974.

C. J. Krebs, Population cycles revisited, J. Mammal, vol.77, pp.8-24, 1996.

C. J. Krebs, S. Boutin, and R. Boonstra, Ecosystem dynamics of the boreal forest, 2001.

E. Kuno, Principles of predator-prey interaction in theoretical, experimental, and natural population systems, Adv. Ecol. Res, vol.16, pp.249-337, 1987.

M. Lagerström and I. Häkkinen, Uneven sex ratio of voles in the food of Aegolius funereus and Strix aluco, Ornis Fenn, vol.55, pp.149-153, 1978.

W. Lidicker, Solving the enigma of microtine 'cycles, J. Mammal, vol.69, pp.225-235, 1988.

S. L. Lima and P. A. Bednekoff, Temporal variation in danger drives antipredator behavior: the predation risk allocation hypothesis, Am. Nat, vol.153, issue.6, pp.649-659, 1999.

J. Lindström, E. Ranta, H. Kokko, P. Lundberg, and V. Kaitala, From arctic lemmings to adaptive dynamics: Charles Elton's legacy in population ecology, Biol. Rev, vol.76, pp.129-158, 2001.

O. Löfgren, B. Hörnfeldt, and B. G. Carlsson, Site tenacity and nomadism in Tengmalm's owl (Aegolius funereus) in relation to cyclic food production, Oecologia, vol.69, pp.321-326, 1986.

W. S. Longland and S. H. Jenkins, Sex and age affect vulnerability of desert rodents to owl predation, J. Mamm, vol.68, pp.746-754, 1987.

B. Loppenthin, Systematic and biologic notes on the long-tailed skua, Stercorarius longicaudus Vieill..-Medd. Gron, vol.131, pp.1-26, 1943.

A. Lundberg, Residency migration and a compromise: adaptations to nest-site scarcity and food specialization in three Fennoscandian owl species, Oecologia, vol.41, pp.273-281, 1979.

W. J. Maher, Ecology of the Long-tailed Jaeger at Lake Hazen, Ellesmere Island, Arctic, vol.23, pp.112-129, 1970.

W. J. Maher, The pomarine jaeger as a brown lemming predator in northern Alaska, vol.82, pp.130-157, 1970.

W. J. Maher, Ecology of Pomarine, Parasitic, and Long-Tailed Jeagers in Northern Alaska, vol.37, pp.1-148, 1974.

A. L. Manniche, The terrestrial mammals and birds of North-East Greenland, Biological observations.-Medd. Gron, vol.45, pp.1-200, 1910.

T. Mappes, M. Halonen, J. Suhonen, and H. Ylönen, Selective avian predation on a population of the field vole, Microtus agrestis: greater vulnerability of males and subordinates, Ethol. Ecol. Evol, vol.5, pp.519-527, 1993.

C. D. Marti and J. C. Hogue, Selection of prey size in screech owls, Auk, vol.96, pp.319-327, 1979.

R. M. May, Stability and complexity in model ecosystems, 1973.

R. M. May, Theoretical ecology: principles and applications, 1981.

M. Smith and J. , Models in ecology, 1974.

H. Meltofte, M. Elander, and C. Hjort, Ornithological observations in Northeast Greenland between 74° 30' and 76° 00' N. lat, Medd. Gron, vol.3, pp.1-53, 1976.

L. H. Metzgar, An experimental comparison of screech owl predation on resident and transient white-footed mice (Peromyscus leucopus), J. Mammal, vol.48, pp.387-391, 1967.

D. H. Morse, Behavioral mechanisms in ecology, 1980.

W. W. Murdoch and A. Oaten, Predation and population stability, Adv. Ecol. Res, vol.9, pp.2-131, 1975.

A. Myllymäki, A. Paasikallio, and U. Häkkinen, Analysis of a "standard trapping" of Microtus agrestis (L.) with triple isotope marking outside the quadrat, Ann. Zool. Fenn, vol.8, pp.22-34, 1971.

A. S. Normann, M. A. Eifler, N. G. Gruenhagen, and A. L. Davelos, Differential effectiveness of standard and long shermann livetraps in capturing small mammals, J. Mammal, vol.74, pp.151-161, 1993.

K. Norrdahl, Population cycles in northern small mammals, Biol. Rev, vol.70, pp.621-637, 1995.

K. Norrdahl and E. Korpimäki, Seasonal changes in the numerical responses of predators to cyclic vole populations, Ecography, vol.25, pp.428-438, 2002.

. Nuna-tek, Klima Jameson Land, Sektionen for Hydrotekniske Undersogelser, vol.1, 1989.

T. Oksanen, L. Oksanen, M. Schneider, and M. Aunapuu, Regulation, cycles and stability in northern carnivore-herbivore systems: back to first principles, Oikos, vol.94, pp.101-117, 2001.

O. Pearson, The prey of carnivores during one cycle of mouse abundance, J. Anim. Ecol, vol.35, pp.217-233, 1966.

O. Pearson, Additional measurements of the impact of the carnivores on Californian voles (Microtus californicus), J. Mammal, vol.52, pp.41-49, 1971.

A. Pedersen, Fortgesetzte Beiträge zur Kenntnis der Säugetier-und Vogelfauna der Ostküste Grönlands, Medd. Gron, vol.77, pp.426-501, 1930.

A. Pedersen, Säugetiere und Vögel, Gron, vol.128, issue.2, pp.1-106, 1942.

A. Pedersen, Der Eisfuchs.-Wittenberg Lutherstadt, Neue Brehm-Bücherei, 1959.

F. A. Pitelka and G. O. Batzli, Distribution, abundance and habitat use by lemmings on the north slope of Alaska, The Biology of Lemmings, pp.213-236, 1993.

F. A. Pitelka, P. Q. Tomich, and G. W. Treichel, Ecological relations of jaegers and owls as lemming predators near Barrow, Alaska.-Ecol. Monog, vol.25, pp.85-117, 1955.

M. Predavec and C. J. Krebs, Microhabitat utilisation, home ranges, and movement patterns of the collared lemming (Dicrostonyx groenlandicus) in the central Canadian Arctic.-Can, J. Zool, vol.78, pp.1885-1890, 2000.

J. Pusenius and J. Viitala, Demography, and regulation of breeding density in the vole Microtus agrestis, Ann. Zool. Fennici, vol.30, pp.133-142, 1993.

H. M. Raup, The flowering plants and ferns of the Mesters Vig district, Northeast Greenland.-Medd. Gron, vol.166, pp.1-119, 1965.

H. M. Raup, The vegetation of the Mesters Vig district, Northeast Greenland: general summary and discussion, Medd. Gron, vol.194, pp.1-48, 1971.

D. G. Reid, C. J. Krebs, and A. J. Kenney, Patterns of predation on noncyclic lemmings, Ecol. Monog, vol.67, pp.89-108, 1997.

R. E. Ricklefs, A graphical method of fitting equations to growth curves, Ecology, vol.48, pp.978-983, 1967.

M. W. Roberts and J. L. Wolfe, Social influences on susceptibility to predation in cotton rats, J. Mamm, vol.55, pp.869-872, 1974.

A. R. Rodgers and M. C. Lewis, Diet selection in Arctic lemmings (Lemmus sibiricus and Dicrostonyx groenlandicus): demography, home range, and habitat use.-Can, J. Zool, vol.64, pp.2717-2727, 1986.

D. K. Rosenberg, W. S. Overton, and R. G. Anthony, Estimation of animal abundance when capture probabilities are low and heterogeneous, J. Wildl. Manage, vol.59, pp.252-261, 1995.

M. L. Rosenzweig and R. H. Macarthur, Graphical representation and stability conditions of predator-prey interactions, Am. Nat, vol.97, pp.209-223, 1963.

S. G. Rudolph, Foraging strategies of American kestrels during breeding, Ecology, vol.63, pp.1268-1276, 1982.

F. Salomonsen, The Birds of Greenland, vol.608, p.pp, 1969.

N. M. Schmidt, Spatiotemporal distribution and habitat use of the collared lemming, Dicrostonyx groenlandicus Traill, in high arctic Northeast Greenland, vol.84, 2000.

T. W. Schoener, Field experiments on interspecific competition, Am. Nat, vol.122, pp.240-285, 1983.

A. Sih, P. Crowley, M. Mcpeek, J. Petranka, and K. Strohmeier, Predation, competition and prey communities: a review of field experiments, Annu. Rev. Ecol. Syst, vol.16, pp.269-311, 1985.

R. E. Simmons, D. M. Avery, and G. Avery, Biases in diets determined from pellets and remains: correction factors for a mammal and bird eating raptor.-Raptor Res, vol.25, pp.63-67, 1991.

B. Sittler, Response of stoat (Mustela erminea) to a fluctuating lemming (Dicrostonyx groenlandicus) population in North-East Greenland: preliminary results from a long term study, Ann. Zool. Fennici, vol.32, pp.79-92, 1995.

B. Sittler, O. Gilg, and T. B. Berg, Low abundance of King eider nests during low lemming years in Northeast Greenland, Arctic, vol.53, pp.53-60, 2000.

T. G. Smith, Predation of Ringed Seal pups (Phoca hispida) by the Arctic Fox (Alopex lagopus).-Can, J. Zool, vol.54, pp.1610-1616, 1976.

M. E. Solomon, The natural control of animal populations, J. Anim. Ecol, vol.18, pp.1-35, 1949.

G. A. Sonerud, Effect of snow cover on seasonal cjanges in diet, habitat, and regional distribution of raptors that prey on small mammals in boreal zones of, Fennoscandia.Holarctic Ecology, vol.9, pp.33-47, 1986.

G. A. Sonerud, Allocation of prey between self-consumption and transport in two different-sized central place foragers, Ornis. Scand, vol.20, pp.69-71, 1989.

G. A. Sonerud, Functional responses of birds of prey: biases due to the load-size effect in central place foragers, Oikos, vol.63, pp.223-232, 1992.

H. N. Southern and V. P. Lowe, The pattern of distribution of prey and predation in Tawny Owl territories, J. Anim. Ecol, vol.37, pp.75-97, 1968.

N. C. Stenseth, Population cycles in voles and lemmings: density dependence in a stochastic world, Oikos, vol.87, pp.427-461, 1999.

N. C. Stenseth and R. A. Ims, The history of lemming research: from Nordic Sagas to The Biology of Lemmings, The biology of lemmings, pp.3-34, 1993.

N. C. Stenseth and R. A. Ims, population dynamics of lemmings: temporal and spatial variation-an introduction, The biology of lemmings, pp.61-96, 1993.

R. J. Taylor, , 1984.

S. A. Temple, Do predators always capture substandard individuals disproportionately from prey populations, Ecology, vol.68, pp.669-674, 1987.

J. C. Trexler, C. E. Mc-culloch, and J. Travis, How can the functional response best be determined?, Oecologia, vol.76, pp.206-214, 1998.

P. Turchin and I. Hanski, An empirically based model for latitudinal gradient in vole population dynamics, Am. Nat, vol.149, pp.842-874, 1997.

P. Turchin and I. Hanski, Contrasting alternative hypotheses about rodent cycles by translating them into parameterized models, Ecology Letters, vol.4, pp.267-276, 2001.

J. Viitala, E. Korpimäki, P. Palokangas, and M. Koivula, Attraction of kestrels to vole scent marks visible in ultraviolet light, Nature, vol.373, pp.425-427, 1995.

A. Watson, The behaviour, breeding, and food-ecology of the Snowy Owl Nyctea scandiaca, Ibis, vol.99, pp.419-462, 1957.

R. H. Wiley and D. S. Lee, Long-tailed Jaeger (Stercorarius longicaudus), The Birds of North America, vol.24, p.pp, 1998.

D. J. Wilson, Effects of predation on the population dynamics of lemmings and on loss of goose nests, 1999.