2005
DOI: 10.1016/j.foreco.2004.11.010
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Soil, surface water and ground water phosphorus relationships in a partially harvested Boreal Plain aspen catchment

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Cited by 38 publications
(39 citation statements)
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References 32 publications
(40 reference statements)
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“…Runoff source areas were restricted to ephemeral draws and/or wetlands-which would be susceptible to harvesting effects during most years-and were therefore identified as priority areas for protection. Furthermore, there were no differences in soil P (water-extractable) or surface water and groundwater total dissolved P concentrations between forested and harvested areas, likely due to greater P adsorption affinity in upland mineral soils relative to lowland organic soils (Macrae et al, 2005). Similarly, no differences in soil extractable N, or soil water, surface water and groundwater NO 3 and NH 4 concentrations were found between forested and harvested areas (Macrae et al, 2006).…”
Section: Forest Management Practices That Emulate Natural Disturbancementioning
confidence: 88%
“…Runoff source areas were restricted to ephemeral draws and/or wetlands-which would be susceptible to harvesting effects during most years-and were therefore identified as priority areas for protection. Furthermore, there were no differences in soil P (water-extractable) or surface water and groundwater total dissolved P concentrations between forested and harvested areas, likely due to greater P adsorption affinity in upland mineral soils relative to lowland organic soils (Macrae et al, 2005). Similarly, no differences in soil extractable N, or soil water, surface water and groundwater NO 3 and NH 4 concentrations were found between forested and harvested areas (Macrae et al, 2006).…”
Section: Forest Management Practices That Emulate Natural Disturbancementioning
confidence: 88%
“…Several other studies have demonstrated that topographic position along a catena can be an effective explanatory variable for soil physical and chemical properties and soil water quality. Sauer et al (2005) reported increased infiltration rates in valley bottom soils compared with upland and sideslope soils in a mixed land use watershed, and Macrae et al (2005) measured lower soil moisture levels in surface horizons and subsoils in upland positions than those in lower slope positions on the boreal plain. In terms of soil and soil water chemistry, soil P concentrations and surface soil lysimeter water P concentrations (Macrae et al 2005) and forest floor percolate and mineral soil percolate N and C concentrations and fluxes (Hazlett and Foster 2002) were linked to topography.…”
Section: Controls Of Soil Water N and C Concentrationsmentioning
confidence: 99%
“…This study is closely associated with HEAD2 Aspen Harvest and Recovery study at the Utikuma Region Study Area (URSA), and combined with the Moose Lake Catchment Study (Devito et al 2005a(Devito et al , 2005bMacrae et al 2005Macrae et al , 2006 will provide information on the influence of scale and surficial geology on Boreal Plain ecosystem responses to aspen harvest and post-harvest recovery (Table 2): • Hydrometric, geochemical, and isotopic sampling and analyses of reference and experimental catchment balances show that partitioning of baseflow and storm surface flow is a function of the distribution of precipitation in time (e.g., snow vs. rain) and the interaction with antecedent moisture (Devito et al 2005a(Devito et al , 2005b);…”
Section: Resultsmentioning
confidence: 99%
“…As part of this approach, the 2006 Al-Pac Forest Management Plan proposed to concentrate harvest activities in a given area for a 10-15 year period resulting in larger disturbance events with unknown effects on the hydrologic processes at a catchment or landscape scale. The regional moisture deficit (P < PET), large spatial heterogeneity of deep glacial deposits (outwash sands to lacustrine clay), and seasonal and decadal wet and dry cycles in the boreal plains region (Devito et al 2005c) result in: a) dynamic and complex surface and groundwater interactions; and, b) potentially large temporal and spatial variability in the sensitivity of forest and stream ecosystems to local and regional disturbance (Devito et al 2005a, Macrae et al 2005, 2006CarreraHernandez et al 2011aCarreraHernandez et al , 2011b.…”
Section: Introductionmentioning
confidence: 99%