Search Results - "Yoccoz, N.G"

Disentangling the importance of interspecific competition, food availability, and habitat in species occupancy: Recolonization of the endangered Fennoscandian arctic fox by Hamel, S., Killengreen, S.T., Henden, J.-A., Yoccoz, N.G., Ims, R.A.

“…► Is red fox competition or lemming abundance limiting recovery of the arctic fox? ► We performed an extensive red fox removal intervention to test these…”
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Rescuing Valuable Arctic Vegetation Data for Biodiversity Models, Ecosystem Models and a Panarctic Vegetation Classification by Walker, D.A., Alsos, I.G., Bay, C., Boulanger-Lapointe, N., Breen, A.L., Bültmann, H., Christensen, T., Damgaard, C., Daniëls, F.J.A., Hennekens, S., Raynolds, M.K., Le Roux, P.C., Luoto, M., Pellissier, L., Peet, R.K., Schmidt, N.M., Stewart, L., Virtanen, R., Yoccoz, N.G., Wisz, M.S.

“…Two workshops held in Roskilde, Denmark, on 29 - 31 May and 17 - 19 December 2012, brought together key Arctic vegetation scientists and bio-diversity modelers…”
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Retroviruses and sexual size dimorphism in domestic cats (Felis catus L.) by Pontier, D, Fromont, E, Courchamp, F, Artois, M, Yoccoz, N.G

“…Hochberg and co–workers have predicted that an increase in host adult mortality due to parasites is balanced by an earlier age at first reproduction. In…”
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Fitness costs of reproduction depend on life speed: empirical evidence from mammalian populations by Hamel, Sandra, Gaillard, Jean-Michel, Yoccoz, Nigel Gilles, Loison, Anne, Bonenfant, Christophe, Descamps, Sébastien

“…Ecology Letters (2010) 13: 915–935 Fitness costs of reproduction play a key role in understanding the evolution of reproductive tactics. Nevertheless, the…”
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Temporal Variation in Survival of Mammals: A Case of Environmental Canalization? by Gaillard, Jean-Michel, Yoccoz, Nigel Gilles

“…In an age- or stage-structured population, a given change on a proportional scale of different fitness components has different effects on the population…”
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Heterogeneity in individual quality overrides costs of reproduction in female reindeer by Weladji, Robert B, Loison, Anne, Gaillard, Jean-Michel, Holand, Øystein, Mysterud, Atle, Yoccoz, Nigel G, Nieminen, Mauri, Stenseth, Nils C

“…Reproductive allocation at one age is predicted to reduce the probability of surviving to the next year or to lead to a decrease in future reproduction. This…”
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Monitoring the spatio-temporal dynamics of geometrid moth outbreaks in birch forest using MODIS-NDVI data by Jepsen, J.U., Hagen, S.B., Høgda, K.A., Ims, R.A., Karlsen, S.R., Tømmervik, H., Yoccoz, N.G.

“…Defoliation caused by repeated outbreaks of cyclic geometrid moths is the most prominent natural disturbance factor in the northern-boreal birch forest…”
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Generation Time: A Reliable Metric to Measure Life‐History Variation among Mammalian Populations by Gaillard, Jean‐Michel, Yoccoz, Nigel G., Lebreton, Jean‐Dominique, Bonenfant, Christophe, Devillard, Sébastien, Loison, Anne, Pontier, Dominique, Allaine, Dominique

“…Oli and Dobson proposed that the ratio between the magnitude and the onset of reproduction (F/α ratio) allows one to predict the relative importance of vital…”
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Detecting population heterogeneity in effects of North Atlantic Oscillations on seabird body condition: get into the rhythm by Descamps, Sébastien, Yoccoz, Nigel G., Gaillard, Jean-Michel, Gilchrist, H. Grant, Erikstad, Kjell Einar, Hanssen, Sveinn Are, Cazelles, Bernard, Forbes, Mark R., Bêty, Joël

“…Climatic influences on animal populations, mediated by changes in condition-dependent survival or reproduction, have long intrigued ecologists. We analyzed…”
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Echinococcus multilocularis in Svalbard, Norway: Microsatellite genotyping to investigate the origin of a highly focal contamination by Knapp, J., Staebler, S., Bart, J.M., Stien, A., Yoccoz, N.G., Drögemüller, C., Gottstein, B., Deplazes, P.

“…► High similarity was found amongst the Svalbardian E. multilocularis samples as described in previous field scale sampling. ► The Svalbardian E…”
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Good reindeer mothers live longer and become better in raising offspring by Weladji, Robert B, Gaillard, Jean-Michel, Yoccoz, Nigel G, Holand, Øystein, Mysterud, Atle, Loison, Anne, Nieminen, Mauri, Stenseth, Nils Chr

“…Longevity is the main factor influencing individual fitness of long-lived, iteroparous species. Theories of life history evolution suggest this is because…”
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timing of male reproductive effort relative to female ovulation in a capital breeder by Mysterud, Atle, Bonenfant, Christophe, Loe, Leif Egil, Langvatn, Rolf, Yoccoz, Nigel G., Stenseth, Nils C.

“…1. In large herbivores, the timing of breeding is important for females to hit peak plant protein levels. For males, the timing of reproductive effort is…”
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The genetic similarity between pair members influences the frequency of extrapair paternity in alpine marmots by Cohas, Aurélie, Yoccoz, Nigel Gilles, Bonenfant, Christophe, Goossens, Benoît, Genton, Céline, Galan, Maxime, Kempenaers, Bart, Allainé, Dominique

“…Extrapair paternity is widespread in birds and mammals. In particular, the alpine marmot, Marmota marmota, has a high frequency of extrapair paternity that…”
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Modelling Hantavirus in Fluctuating Populations of Bank Voles: The Role of Indirect Transmission on Virus Persistence by Sauvage, Frank, Langlais, Michel, Yoccoz, Nigel G., Pontier, Dominique

“…1. Using field data published in the literature, we investigated pathogen dynamics and conditions of persistence in a mathematical model of the bank vole…”
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Age-specific changes in different components of reproductiveoutput in female reindeer: terminal allocation or senescence? by Weladji, R.B., Holand, O., Gaillard, J.-M., Yoccoz, N.G., Mysterud, A., Nieminen, M., Stenseth, N.C.

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Extra-pair paternity in the monogamous alpine marmot (Marmota marmota): the roles of social setting and female mate choice by Cohas, A, Yoccoz, N. G, Da Silva, A, Goossens, B, Allainé, D

“…Extra-pair paternity (EPP) can be influenced by both social setting and female mate choice. If evidence suggests that females try to obtain extra-pair…”
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Age-specific feeding cessation in male red deer during rut by Mysterud, A, Bonenfant, C, Loe, L.E, Langvatn, R, Yoccoz, N.G, Stenseth, N.C

“…Tactics for resource-use involve both using stored reserves (capital breeding) and feeding while reproducing (income breeding). In polygynous ungulates, males…”
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Extra-pair paternity in alpine marmots, Marmota marmota: genetic quality and genetic diversity effects by Cohas, A, Yoccoz, N. G, Allainé, D

“…Assuming that a male's genetic characteristics affect those of his offspring, extra-pair copulation has been hypothesized to increase heterozygosity of the…”
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Phenology and abundance in relation to climatic variation in a sub-arctic insect herbivore-mountain birch system by Mjaaseth, R.R, Hagen, S.B, Yoccoz, N.G, Ims, R.A

“…The two forest-defoliating geometrid moth species Operophtera brumata and Epirrita autumnata are known to exhibit different altitudinal distribution patterns…”
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Weak compensation of harvest despite strong density-dependent growth in willow ptarmigan by Pedersen, H.C, Steen, H, Kastdalen, L, Broseth, H, Ims, R.A, Svendsen, W, Yoccoz, N.G

“…Ptarmigan and grouse species (…”
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