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  1. Identifying non-invasible habitats for marine copepods using temperature-dependent R0

    by Rajakaruna, H.; Strasser, C.; Lewis, M.

    If a non-indigenous species is to thrive and become invasive it must first persist under its new set of environmental conditions....

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  2. The impact of predator-induced stress on the snowshoe hare cycle

    by Boonstra, R.; Hik, D.; Singleton, G. R.; Tinnikov, A.

    The sublethal effects of high predation risk on both prey behavior and physiology may have long-term consequences for prey...

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  3. The impact of RNA interference of the subolesin and voraxin genes in male Amblyomma hebraeum (Acari: Ixodidae) on female engorgement and oviposition

    by Smith, A.; Guo, X.; de la Fuente, J.; Naranjo, V.; Kocan, K. M.; Kaufman, W. R.

    Abstract: Reducing or replacing the use of chemical pesticides for tick control is a desirable goal. The most promising approach...

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  4. Improving the accuracy of protein secondary structure prediction using structural alignment

    by Montgomerie, S.; Sundararaj, S.; Gallin, W.J.; Wishart, D.S.

    Background: The accuracy of protein secondary structure prediction has steadily improved over the past 30 years. Now many...

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  5. In Situ Cercidiphyllum-like Seedlings from the Paleocene of Alberta, Canada.

    by Stockey, R.A.; Crane, P.A.

    Fossil seedlings and seeds of an extinct Cercidiphyllum-like plant occur in the Paskapoo Formation (Late Paleocene) at Joffre...

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  6. In situ fossil seedlings of a Metasequoia-like taxodiaceous conifer from Paleocene river floodplain deposits of central Alberta, Canada

    by Faldner, A.B.; Stockey, R.A.; Rothwell, G.W.

    Fossil seeds and seedlings of a Metasequoia-like taxodiaceous conifer occur in Paleocene deposits at the Munce’s Hill and...

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  7. An incident of polar bear infanticide and cannibalism on Phippsøya, Svalbard

    by Stone, I.R.; Derocher, A.E.

    A case of polar bear infanticide and cannibalism is reported from Phippsøya, Svalbard. In this instance, a cub of some 7...

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  8. Independent evolution of leaf and root traits within and among temperate grassland plant communities

    by Kembel, S. W.; Cahill, J. F.

    In this study, we used data from temperate grassland plant communities in Alberta, Canada to test two longstanding hypotheses...

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  9. Induction of microsomal membrane proteins in roots of an aluminum-resistant cultivar of Triticum aestivum L. under conditions of aluminum stress

    by Basu, A.; Basu, U.; Taylor, G. J.

    Three-day-old seedlings of an Al-sensitive (Neepawa) and an Al-resistant (PT741) cultivar of Triticum aestivum were subjected...

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  10. Infanticide and cannibalism of juvenile polar bears (Ursus maritimus) in Svalbard

    by Derocher, A.E.; Wiig, O.

    Two instances of infanticide and cannibalism in polar bears (Ursus maritimus) were observed in SE Svalbard, at Hopen Island....

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  11. The influence of hydrologic condition and peat oxia on phosphorous and nitrogen dynamics of a conifer swamp

    by Devito, K.J.; Dillon, P.J.

    A massb alancea pproachw as usedt o determinet he factorsi nfluencingp hosphorusa nd nitrogen dynamicsi n wetlandsc ommont...

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  12. Influence of subhumid climate and water table depth on groundwater recharge in shallow outwash aquifers

    by Smerdon, B.D.; Mendoza, C.A.; Devito, K.J.

    [1] Hypothetical one-dimensional models of unsaturated flow were used to estimate the probability of groundwater recharge...

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  13. The interaction between masting and fire is key to white spruce regeneration

    by Peters, V. S.; MacDonald, S. E.; Dale, M. R. T.

    Abstract: We used the mast-seeding tree Picea glauca (white spruce) to examine whether the timing of mast years relative...

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  14. Interannual variability in trophic status of shallow lakes on the boreal Plain: Is there a climate signal?

    by Sass, G.Z.; Creed, I.F.; Bayley, S.E.; Devito, K.J.

    We explored relations between climate and trophic status of shallow lakes (lake area > 5 ha, mean depth < 3.2 m) located...

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  16. Intrinsic rate of increase and temperature coefficients of the aphid parasite Ephedrus californicus baker (Hymenoptera: Aphidiidae)

    by Cohen, M. B.; Mackauer, M.

    The demographic statistics and the temperature requirements for development of Ephedrus californicus Baker were determined...

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  17. Introduction: Evolution of Modern Ferns

    by Stockey, R.A.; Rothwell, G.W.

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  18. Introduction to the Darwin special issue: The abominable mystery

    by Stockey, R.A.; Graham, S.W.; Crane, P.R.

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  19. Introgression potential between safflower (Carthamus tinctorius) and wild relatives of the genus Carthamus

    by Mayerhofer, Marion; Mayerhofer, Reinhold; Topinka, Deborah; Christianson, Jed; Good, Allen G.

    Background: Safflower, Carthamus tinctorius, is a thistle that is grown commercially for the production of oil and birdseed...

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