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Ecoscience
VOL. 15 · NO. 3 | September 2008
 
IN THIS ISSUE
Articles (15)
Ecoscience
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Articles
Genetic divergence of Cirsium scariosum in eastern and western Canada
Joanne L. Golden, Peter Achuff, John F. Bain
Ecoscience 15 (3), 293-297, (1 September 2008) https://doi.org/10.2980/15-3-3118
KEYWORDS: Cirsium minganense, Cirsium scariosum, ETS, genetic divergence, ISSR, ITS, Cirsium minganense, Cirsium scariosum, divergence génétique, ETS, ISSR, ITS
No abstract available
A reciprocal transplant study of activity, body size, and winter survivorship in juvenile lizards from two sites at different altitude
Pablo Iraeta, Alfredo Salvador, José A. Díaz
Ecoscience 15 (3), 298-304, (1 September 2008) https://doi.org/10.2980/15-3-3119
KEYWORDS: drought, food scarcity, geographic variation, maternal trade-offs, Psammodromus, reproductive strategies, compromis maternels, pénurie de nourriture, Psammodromus, Sécheresse, stratégies reproductives, variation géographique
No abstract available
Direct and indirect effects of ants on seed predation in moth/yucca mutualisms
Rebecca S. Snell, John F. Addicott
Ecoscience 15 (3), 305-314, (1 September 2008) https://doi.org/10.2980/15-3-3116
KEYWORDS: ant protection, behavioural indirect effects, mutualism, quantile regressions, effets comportementaux indirects, mutualisme, protection par les fourmis, régressions quantiles
No abstract available
Nitrogen uptake by Hylocomium splendens during snowmelt in a boreal forest
Åsa Forsum, Hjalmar Laudon, Annika Nordin
Ecoscience 15 (3), 315-319, (1 September 2008) https://doi.org/10.2980/15-3-3141
KEYWORDS: amino acid N, Ammonium, bryophyte ecophysiology, nitrate, acide aminé N, Ammonium, écophysiologie des bryophytes, nitrate
No abstract available
Ventral colour polymorphism correlates with alternative behavioural patterns in female common lizards (Lacerta vivipara)
Elodie Vercken, Jean Clobert
Ecoscience 15 (3), 320-326, (1 September 2008) https://doi.org/10.2980/15-3-3135
KEYWORDS: laboratory-staged encounters, resource holding potential, signals, social competition, compétition sociale, confrontations en laboratoire, potentiel compétitif, signaux
No abstract available
Water mite parasitism is associated with body condition and sex of the whirligig beetle Dineutus nigrior (Coleoptera: Gyrinidae)
Evan R. Fairn, Albrecht I. Schulte-Hostedde, Yves Alarie
Ecoscience 15 (3), 327-331, (1 September 2008) https://doi.org/10.2980/15-3-3134
KEYWORDS: body condition, gyrinidae, sex-biased parasitism, Water mites, whirligig beetle, acariens aquatiques, condition physique, gyrin, gyrinidae, parasitisme biaisé en fonction du sexe
No abstract available
Habitat selection of American marten in a logged landscape at the southern fringe of the boreal forest
Guillaume Godbout, Jean-Pierre Ouellet
Ecoscience 15 (3), 332-342, (1 September 2008) https://doi.org/10.2980/15-3-3091
KEYWORDS: American Marten, clear-cuts, habitat selection, partial logging, precommercial thinning, Quebec, coupes partielles, coupes totales, éclaircies précommerciales, martre d'Amérique, Québec, sélection de l'habitat
No abstract available
The effect of spatial scale on plant associational defences against mammalian herbivores
Ulrika Alm Bergvall, Pasi Rautio, Hanna Sirén, Juha Tuomi, Olof Leimar
Ecoscience 15 (3), 343-348, (1 September 2008) https://doi.org/10.2980/15-3-3112
KEYWORDS: associational defence, associational susceptibility, fallow deer, selectivity, spatial scale, daim, défense associative, échelle spatiale, sélectivité, sensibilité associative
No abstract available
Relationships between radial growth rates and lifespan within North American tree species
Bryan A. Black, Jim J. Colbert, Neil Pederson
Ecoscience 15 (3), 349-357, (1 September 2008) https://doi.org/10.2980/15-3-3149 Open Access
KEYWORDS: dendrochronology, growth rate, longevity, old-growth forest, Dendrochronologie, forêt ancienne, longévité, taux de croissance
No abstract available
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Site-specific features affect pollination success of a gynodioecious understory shrub in a gender-specific mode
Conchita Alonso, Carlos M. Herrera
Ecoscience 15 (3), 358-365, (1 September 2008) https://doi.org/10.2980/15-3-3115
KEYWORDS: abiotic conditions, beetle pollination, canopy cover, Daphne laureola, distance to the nearest neighbour, gynodioecy, hemispherical canopy photographs, microhabitat, winter flowering, conditions abiotiques, couvert forestier, Daphne laureola, distance au voisin le plus proche, floraison hivernale, gynodioécie, microhabitat, photographies hémisphériques de la canopée, pollinisation par des coléoptères
No abstract available
Hydrologic controls on nitrogen availability in a high-latitude, semi-arid floodplain
Nicholas J. Lisuzzo, Knut Kielland, Jeremy B. Jones
Ecoscience 15 (3), 366-376, (1 September 2008) https://doi.org/10.2980/15-3-2998
KEYWORDS: advective flow, capillary fringe, hyporheic, nitrogen, riparian, Tanana River, azote, bordure capillaire, flux advectif, hyporhéique, riverain, rivière Tanana
No abstract available
Effects of river connectivity on marsh vegetation community structure and species richness in montane floodplain wetlands in Jasper National Park, Alberta, Canada
Suzanne E. Bayley, Julie K. Guimond
Ecoscience 15 (3), 377-388, (1 September 2008) https://doi.org/10.2980/15-3-3084
KEYWORDS: beaver, disturbance, floodplain, montane wetlands, railway, species richness, castor, chemin de fer, milieux humides de montagne, perturbation, plaine inondable, richesse en espèces
No abstract available
Impact of deer browsing on plant communities in cutover sites on Anticosti Island
Christine Casabon, David Pothier
Ecoscience 15 (3), 389-397, (1 September 2008) https://doi.org/10.2980/15-3-3123
KEYWORDS: browsing, clear-cuts, high density, plant communities, white-tailed deer, broutement, cerf de Virginie, communautés végétales, coupe avec protection de la régénération et des sols, densité élevée
No abstract available
Temperature selection in wood turtles (Glyptemys insculpta) and its implications for energetics
Yohann Dubois, Gabriel Blouin-Demers, Don Thomas
Ecoscience 15 (3), 398-406, (1 September 2008) https://doi.org/10.2980/15-3-3139
KEYWORDS: metabolic rate, optimal temperature, postprandial thermophily, thermoregulation, wood turtles, taux métabolique, température optimale, thermophilie postprandiale, thermorégulation, tortues des bois
No abstract available
Habitat amelioration and associational defence as main facilitative mechanisms in Mediterranean grasslands grazed by domestic livestock
Nadine Boulant, Marie-Laure Navas, Emmanuel Corcket, Jacques Lepart
Ecoscience 15 (3), 407-415, (1 September 2008) https://doi.org/10.2980/15-3-3126
KEYWORDS: Competitive release, direct and indirect effects, facilitation, livestock grazing, Pinus, woody plants, effets directs et indirects, facilitation, pâturage par des herbivores domestiques, Pinus, plantes ligneuses, réduction de la compétition
No abstract available
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