Soil, surface water and ground water phosphorus relationships in a partially harvested Boreal Plain aspen catchment

Soil phosphorus (water-extractable) measured in harvested and forested areas of a headwater aspen forested catchment in north-central Alberta was related to surface and ground water total dissolved phosphorus (TDP). No differences in water-extractable soil phosphorus concentrations ([ext-P]) were ob...

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Bibliographic Details
Published in:Forest ecology and management 2005-02, Vol.206 (1), p.315-329
Main Authors: Macrae, M.L., Redding, T.E., Creed, I.F., Bell, W.R., Devito, K.J.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Aspen
Biological and medical sciences
boreal forests
Boreal Plain
chemical concentration
clearcutting
Forest
Forest harvesting and working in forest
forest soils
forested watersheds
Forestry
Fundamental and applied biological sciences. Psychology
Ground water
groundwater
landscape position
leaching
logging
Phosphorus
Populus tremuloides
Soil
soil chemical properties
soil water content
spatial variation
Sub-humid
Surface-water
Synecology
Terrestrial ecosystems
Timber harvest
Topography
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Summary:Soil phosphorus (water-extractable) measured in harvested and forested areas of a headwater aspen forested catchment in north-central Alberta was related to surface and ground water total dissolved phosphorus (TDP). No differences in water-extractable soil phosphorus concentrations ([ext-P]) were observed between harvested and forested areas. Topographic position explained most of the variance in the [ext-P] of surface soils. Soil [ext-P] in surface horizons was large in upslope areas compared to low-lying areas, ephemeral draws, and wetlands. Forest floor and surface organic soils (0–10 cm) had greater concentrations of ext-P (>70 μg g −1) and total P (tot-P) (>1000 μg g −1) than mineral soils ([ext-P]
ISSN:0378-1127
1872-7042
DOI:10.1016/j.foreco.2004.11.010