Robert Bradley » Autres publications

Bradley, R.L., Whalen, J.K., Chagnon, P.L., Lanoix, M., Alves, M.C. (Accepted pending minor revision). Nitrous oxide production and potential denitrification in soils from riparian buffer strips: influence of earthworms and plant litter. Applied Soil Ecology.

Rivest, D., Cogliastro, A., Bradley, R.L., Olivier, A. (2010)Intercropping hybrid poplar with soybean increases soil microbial biomass, mineral N supply and tree growth. Agroforestry Systems 80: 33-40.

Bambrick, A.D., Whalen, J.K., Bradley, R.L., Cogliastro, A., Gordon, A.M., Olivier, A., Thevathasan, N.V. (2010). Spatial heterogeneity of soil organic carbon in tree-based intercropping systems in Quebec and Ontario, Canada. Agroforestry Systems 79: 343-353.

Beaudette, C, Bradley, R.L., Whalen, J., McVetty, P.B.E., Vessey, K., Smith, D.L. (2010). Tree-based intercropping does not compromise canola (Brassica napus L.) seed oil yield and reduces soil nitrous oxide emissions. Agriculture, Ecosystems & Environment  139: 33-39.

Lteif, A., Whalen, J.K., Bradley, R.L. and Camiré, C. (2010). Nitrogen transformations revealed by isotope dilution in an organically-fertilized hybrid poplar plantation. Plant and Soil 333: 105-116.

Evers, A.K., Bambrick, A., Lacombe, S., Dougherty, M.Cé, Peichl, M., Gordon, A.M., Thevathasan, N.V., Whalen, J., Bradley, R.L. (In press) Potential greenhouse gas mitigation through temperate tree-based intercropping systems. Agriculture Journal.

Royer-Tardif, S., Bradley, R.L., Parsons, W.  (2010).  Evidence that plant diversity and site productivity confer stability to forest floor microbial biomass. Soil Biology & Biochemistry 42: 813-821.

Laganière, J., Paré, D., Bradley, R.L. (2010).  How does a tree species influence litter decomposition? Separating the relative contribution of litter quality, litter mixing and forest floor conditions.  Canadian Journal of Forest Research 40: 465-475.

Dufresne, M., Bradley, R.L., Tremblay, J.-P., Poulin, M., Pellerin, S. (2009). Clearcutting and deer browsing intensity interact in controlling nitrification rates in forest floor humus. Écosciences. 16: 361-368.

Jones, M.D., Grenon, F.,  Peat, H., Fitzgerald, M., Holt, L., Philip, L.J., Bradley, R.L. (2009). Differences in 15N uptake amongst spruce seedlings colonized by three pioneer ectomycorrhizal fungi in the field. Fungal Ecology 2: 110-120

Van Lier, O., Fournier, R.A., Bradley, R.L., Thiffault, N. (2009). A multi-resolution satellite imagery approach for large area mapping of ericaceous shrubs in Northern Quebec, Canada. International Journal of Applied Earth Observation and Geoinformation 11: 234-243.

Laganière, J., Paré, D., Bradley, R..L. (2009). Linking the abundance of aspen with soil faunal communities and rates of belowground processes within single stands of mixed aspen-black spruce. Applied Soil Ecology 41:19-28.

Lacombe, S., Bradley, R.L., Hamel, C, Beaulieu, C. (2009). Do tree-based intercropping systems increase the diversity and stability of soil microbial communities? Agriculture, Ecosystems & Environment 131 : 25-31.

Joanisse, G., Bradley, R.L., Preston, C., Bending, G. (2009).Sequestration of soil nitrogen as tannin-protein complexes may improve the competitive ability of sheep laurel (Kalmia angustifolia) relative to black spruce (Picea mariana). New Phytologist 181: 187-198.

LeBel, P., Thiffault, N., Bradley, R.L., (2008). Kalmia removal increases nutrient supply and growth of black spruce seedlings: an effect fertilizer cannot emulate. Forest Ecology and Management 256: 1780-1784.

Lteif, A., Whalen, J.K., Bradley, R.L., Camiré, C. (2008). Diagnostic tools to evaluate the foliar nutrition and growth of hybrid poplars. Canandian Journal of Forest Research 38: 2138-2147.

Joanisse, G., Bradley, R.L., Preston, C. (2008). Do tannin-rich plant communities occurring on highly acidic soils increase the DON:DIN ratio?  Biology and Fertility of Soils. 44: 903-907.

Lteif, A, Whalen, J., Bradley, R.L., Camiré, C. (2007). Mixtures of papermill biosolids and pig slurry improve soil quality and growth of hybrid poplar.  Soil Use and Management. 23: 393-403.

Lamarche J., Bradley R.L., Hooper E., Shipley B, Simao-Beaunoir A.-M., Beaulieu C. (2007)  Forest floor bacterial community composition and catabolic profiles in relation to landscape features in Québec’s southern boreal forest. Microbial Ecology. 54: 10-20.

Joanisse J., Bradley R.L., Preston C. and Munson A. (2007) Soil enzyme inhibition by condensed litter tannins may drive ecosystem structure and processes : the case of Kalmia angustifolia. New Phytologist 175: 535-546.

Bradley R.L., Parsons W. (2007). Net and gross mineral N production rates at three levels of forest canopy retention: evidence that NH4+ and NO3- dynamics are uncoupled. Biology and Fertility of Soils 43: 599-602.

Lafleur B., Parsons W., Bradley R.L., Francoeur A. (2006) Ant assemblages and their relationships to habitat factors along a chronosequence of post-fire regenerated lichen-spruce woodland. Environmental Entomology 35: 1515-1524.

Lapointe B., Bradley R.L., Parsons W., Brais S.  (2006). Nutrient and light availability to white spruce seedlings in partial and clearcut harvested aspen stands. Silva Fennica 40: 459-471.

DeBellis T., Kernaghan G., Bradley R.L., Widden P. (2006) Relationships between stand composition and ectomycorrhizal community structure in boreal mixed-wood forests. Microbial Ecology 52: 114-126.

Bradley R.L., Shipley B., Beaulieu C. (2006) Refining numerical approaches for analyzing soil microbial community metabolic profiles based on carbon source utilization patterns. Soil Biology & Biochemistry 38: 629-632.

Bradley R.L., Grenon F. (2006) Evidence that straw does not increase the mobilization of N from decomposing salal. Soil Biology & Biochemistry 38: 191-194.

Titus B.D., Prescott C.E, Maynard DG, Mitchell A.K., Bradley R.L., Feller M.C., Beese W.J., Seely B.A., Benton R.A., Senyk J.P, Hawkins B.J., Koppenaal R. (2006) Post-harvest nitrogen cycling in clearcut and alternative silvicultural systems in a montane forest in coastal British Columbia. Forestry Chronicle 82: 844-859.

Thiffault N., Munson A., Fournier R., Bradley R.L. (2005) La relation éricacées – conifères : Bonheur d’oppression ? Naturaliste Canandien 129 : 57-61.

Grenon F., Bradley R.L., Jones M., Shipley B., Peat H. (2005) Soil factors controlling mineral N uptake by Picea engelmannii seedlings: the importance of gross NH4+ production rates. New Phytologist 165: 791-800.

Lapointe B., Bradley R.L., Shipley B. (2005) Mineral nitrogen and microbial dynamics in the forest floor of clearcut or partially harvested successional boreal forest stands. Plant and Soil 271: 27-37.

Sommerville D., Bradley R.L., Mailly, D. (2004) Leaf litter quality and decomposition rates of yellow birch and sugar maple seedlings grown in mono- and mixed-culture pots at three soil fertility levels. Trees Structure and Function 18: 608-613.

Grenon F., Bradley R.L., Titus B.D. (2004) Temperature sensitivity of mineral N transformation rates, and heterotrophic nitrification: possible factors controlling the post-disturbance mineral N flush in forest floors. Soil Biology & Biochemistry 36: 1465-1474.

Lamarche J., Bradley R.L., Paré D., Légaré S. and Bergeron Y. (2004) Soil parent material may control forest floor properties more than stand type or stand age in mixedwood boreal forests. Écosciences. 11: 228-237.

Grenon F., Bradley R.L., Joanisse G., Titus B.D., Prescott C.E. (2004) Mineral N availability for conifer growth following clearcutting: responsive versus non-responsive ecosystems. Forest Ecology and Management 188: 305-316.

Lavoie M. and Bradley R.L. (2003). Short-term increases in relative nitrification rates due to trenching in forest floor and mineral soil horizons of different forest types. Plant and Soil 252: 367-384.

Lavoie M. and Bradley R.L. (2003). Inferred effects of cloud deposition on forest floor nutrient cycling and microbial properties along a short elevation gradient. Environmental  Pollution 121: 333-344.

Lafleur B. and Bradley R.L. (2002). Soil modifications created by ants along a post-fire chronosequence in lichen-spruce woodland. Écosciences  9: 63-73.

Bradley R.L.  (2002) Dynamics of nitrogen associated to acid insoluble substances derived from plant litter. Communications in Soil Science and Plant Analysis 33: 1277-1290.

Martin, W.L., Bradley, R.L., Kimmins, J.P. (2002)  Post-clearcutting chronosequence in the B.C. Coastal Western Hemlock zone : I. Changes in forest floor mass and N storage. Journal of Sustainable Forestry 14: 1-22.

Bradley, R.L., Kimmins, J.P. and Martin, W.L. (2002) Post-clearcutting chronosequence in the B.C. Coastal Western Hemlock zone  : II. Tracking the assart flush. Journal of Sustainable Forestry 14: 23-44.

Kimmins, J.P, Martin, W.L. and Bradley, R.L.. (2002) Post-clearcutting chronosequence in the B.C. Coastal Western Hemlock zone  : III. Sinks for mineralised or dissolved organic N. Journal of Sustainable Forestry 14: 45-68.

Bradley,  R.L., Martin, W.L. and Kimmins, J.P. (2002) Post-clearcutting chronosequence in the B.C. Coastal Western Hemlock zone : IV. Modeling forest floor N dynamics and the possible role of denitrification. Journal of Sustainable Forestry 14: 69-91.

Bradley, R.L. (2001) An alternative explanation for the post-disturbance NO3 - flush in some forest ecosystems. Ecology Letters, 4: 412-416.

Bradley, R.L., Titus, B.D. and Hogg, K. (2001)  Does shelterwood harvesting have less impact on forest floor nutrient availability and microbial properties than clearcutting? Biology and Fertility of Soils 34: 162-169.

Bradley, R.L., Titus, B.D., Preston C.P. and Bennett, J. (2000) Improvement of nutritional site quality 13 years after single application of fertiliser N and P on regenerating cedar-hemlock cutovers on northern Vancouver Island, B.C. Plant and Soil, 223: 197-208.

Bradley, R.L., Titus, B.D. and Preston C.P. (2000) Changes to mineral N cycling and microbial communities in black spruce humus after additions of (NH4)2SO4 and condensed tannins extracted from Kalmia angustifolia and balsam fir. Soil Biology & Biochemistry 32: 1227-1240.

Bradley, R.L., Titus, B.D., Kimmins, P.J., Hogg, K. and C.E. Prescott. (2000). Assessing the controls on soil mineral-N cycling rates in managed coastal western hemlock ecosystems of British Columbia. Journal of Sustainable Forestry 10: 213-219.

Kimmins, J.P., Scoullar K.A., Seely, B., Andison, D.W., Bradley, R., Mailly, D. and Tsze, K.M. (1999). FORCEEing and FORECASTing the HORIZON: Hybrid simulation modeling of forest ecosystem sustainability. In A. Amaro and M. Tome (eds.) Empirical and Process Based Models for Forest Tree and Stand Growth Simulation, Edicoes Salamandra. Lisboa, Portugal. Pp. 431-441.

Coté, B., Hendershot, H., Fyles, J.W., Roy, A.G., Bradley R.L., Biron, P.M., and Courchesne, F. (1998). The phenology of fine root growth in a maple-dominated ecosystem – relationships with some soil properties. Plant and Soil, 201: 59-69.

Martin, W.L., Bradley R. and Kimmins, J.P. (1998). Post-clearcutting forest floor N-dynamics in the CWH wet subzone: a chronosequence study. North West Science 72: 71-73.

Bradley R., Titus, B.D. and J.W. Fyles. (1997).  Nitrogen acquisition and competitive ability of Kalmia angustifolia L., paper birch (Betula papyrifera Marsh) and black spruce (Picea mariana (Mill.) B.S.P.) seedlings grown on different humus forms. Plant and Soil 195: 209-220.

Bradley R., Fyles J.W. and Titus B. (1997).  Labile C, humus forms and N cycling in forests: concepts and methods.  Rec. Res. Devel. Soil Biology & Biochemistry 1: 63-76

Bradley R., Fyles J.W. and B. Titus. (1997).  Interactions between Kalmia humus quality and chronic low C inputs in controlling microbial and soil nutrient dynamics. Soil Biology & Biochemistry 29: 1275-1283.

Bradley R. and J.W. Fyles. (1996). Interactions between tree seedling roots and humus forms in the control of soil C and N cycling. Biology and Fertility of Soils 23: 70-79.

Bradley R. and J. W. Fyles. (1996). A method to avoid isotope discrimination during the diffusion of NH4+ from 15N-labelled soil extracts. Soil Biology & Biochemistry 28: 895-897.

Bradley R. and J.W. Fyles. (1995). Growth of paper birch (Betula papyrifera) seedlings increases soil available-C and microbial acquisition of soil-nutrients. Soil Biology & Biochemistry 27: 1565-1571.

Bradley R. and J.W. Fyles. (1995). A kinetic parameter describing soil available carbon and its relationship to rate increase in C mineralization. Soil Biology & Biochemistry 27:167-172.

Fyles, J.W. and R. Bradley. (1992). A self-sustaining system for long-term incubations with the capability for repeated estimation of microbial biomass. Soil Biology & Biochemistry 24:721-723.

Robert Bradley » Autres publications