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- Ohtonen, Rauni; Munson, Alison; Brand, David
- Ecological applications 1992 v.2 no.4 pp. 363-375
- bacteria; bags; canopy; carbon; carbon nitrogen ratio; community structure; ecosystems; environmental factors; fungi; glass; herbicides; light intensity; microbial biomass; microbial communities; mineral soils; nutrient availability; organic horizons; plant communities; plant litter; planting; silvicultural practices; soil microorganisms; soil nutrients; soil temperature; trees; vegetation
- ... Five years after planting and initial treatment, we examined the response of a microbial community to three intensive silvicultural practices: soil surface modification (scarification), fertilization, and control of competing vegetation by herbicide. We correlated microbial response with changes in environmental conditions following treatment, including soil temperature and moisture, total and ava ...
- Busch, David E.; Ingraham, Neil L.; Smith, Stanley D.
- Ecological applications 1992 v.2 no.4 pp. 450-459
- Populus fremontii; Salix; Tamarix ramosissima; absorption; alluvial soils; aquifers; canopy; capacitance; cumulative exposure; ecosystems; evaporation; floodplains; forests; groundwater; growing season; heartwood; hydrochemistry; indigenous species; introduced species; mixing; phloem; phreatophytes; plant communities; rivers; sap; sapwood; soil water; stable isotopes; water potential; water table; water uptake; Arizona; Colorado
- ... Alluvial forest associations are often dominated by woody phreatophytes, plants that are tightly linked to aquifers for water uptake. Anthropogenic hydrological alterations (e.g., water impoundment or diversion) are of clear importance to riparian ecosystem function. Because decreased frequency of flooding and depression of water tables may, in effect, sever riparian plants from their natural wate ...