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- Title
Using riparian Zone scaling to optimize buffer placement and effectiveness.
- Authors
Schilling, Keith E.; Jacobson, Peter J.; Wolter, Calvin F.
- Abstract
Context: Riparian buffers reduce subsurface nutrient losses to streams but there is a clear need to identify and prioritize locations for riparian buffer placement to optimize buffer performance. Scaling relations can be used to extrapolate hydrologic behavior within river networks and across catchments.Objectives: We combined field and laboratory measurements of soils and groundwater quality collected at five riparian monitoring sites of different stream-order scales with landscape analysis to accomplish the following objectives: (1) evaluate the degree to which riparian zone patterns and processes are scaled in a pre-Wisconsin glacial landscape; and (2) use the scaling information to identify optimal placement of riparian buffers in the landform region for nutrient reduction benefits.Results: Results indicated that there is proportional scaling of riparian zones within the region in terms of sediment texture, groundwater geochemistry and, to a lesser extent, in groundwater nutrient concentrations.Conclusions: Placement of riparian buffers should be a priority along low order streams (< 3rd order) to best utilize the scaling characteristics of regional riparian zones, although buffering 2nd and 3rd streams may be the most cost effective locations.
- Subjects
RIPARIAN animals; PLANT nutrients; HYDROLOGIC models; GROUNDWATER quality; GLACIAL Epoch
- Publication
Landscape Ecology, 2018, Vol 33, Issue 1, p141
- ISSN
0921-2973
- Publication type
Article
- DOI
10.1007/s10980-017-0589-5