IMIS | Flanders Marine Institute
 

Flanders Marine Institute

Platform for marine research

IMIS

Publications | Institutes | Persons | Datasets | Projects | Maps
[ report an error in this record ]basket (0): add | show Printer-friendly version

Surface water nutrient concentrations and litter decomposition rates in wetlands impacted by agriculture and mining activities
Lee, A.A.; Bukaveckas, P.A. (2002). Surface water nutrient concentrations and litter decomposition rates in wetlands impacted by agriculture and mining activities. Aquat. Bot. 74(4): 273-285. dx.doi.org/10.1016/s0304-3770(02)00128-6
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

Available in Authors 

Keywords
    Anthropogenic factors; Degradation; Litter; Nitrogen fixation; Nutrient cycles; Phosphorus; Sediments; Wetlands; Typha latifolia; USA, Kentucky [Marine Regions]; Fresh water

Authors  Top 
  • Lee, A.A.
  • Bukaveckas, P.A., correspondent

Abstract
    Decomposition rates of a site-specific dominant litter, a standard litter (Typha latifolia), and cellulose were quantified in 10 western Kentucky wetlands using the litterbag technique. Short-term (60 and 42 days) incubations were conducted during fall 1998 and spring 1999. The effect of variable tissue nitrogen content on decomposition rates was evaluated by comparing mass loss among site-specific dominant species from each wetland. Effects of variable surface water and sediment nutrient concentrations on decomposition were assessed by measuring mass loss of standard litter materials (Typha latifolia and cellulose) of uniform C:N ratio. Decomposition of the site-specific dominant litter was significantly correlated with tissue C:N ratios and phosphorus concentrations in wetland waters and sediments. Water column and sediment phosphorus were also significant predictors of decomposition rates for the standard litter types. Nitrogen concentrations in surface waters were not significant predictors of decomposition for any of the substrates in either season. Wetlands impacted by mine drainage exhibited slower decomposition rates and lower nutrient levels in comparison to wetlands occurring in predominantly agricultural areas.

All data in IMIS is subject to the VLIZ privacy policy Top | Authors