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Ditching is a common practice to dewater wetlands, including peatlands, and ditch blocking is a common method for restoring wetlands because substrate is often unavailable for filling the ditches. However, filling has many advantages compared to blocking ditches. Our goal was to test whether ditches could be filled in a Colorado sloping fen (Chattanooga Fen) using bales created from shredded aspen...
Drained peatlands are a global concern due to alterations of the water and carbon cycle, loss of habitat, and increased fire frequency. However, methods for restoring drained sloping peatlands are limited and poorly tested. Therefore, we measured water table dynamics, CO2 fluxes, and soil properties at four sloping fens that were restored (1–20 years post‐restoration) with the installation of small...
Mountain fens are vital ecosystems for habitat, biodiversity, water and carbon cycling, but there is little comprehensive information on their distribution, abundance or condition in any region of the western U.S. Our study objectives were to: 1) evaluate fen distribution, abundance and characteristics in the San Juan Mountains of Colorado, 2) quantify disturbances, and 3) prioritize restoration needs...
Despite the importance of peatlands in the global carbon cycle, no widely applicable ecosystem model exists for peatlands. Simulations of three montane fens in Colorado, USA were conducted to test the capabilities of the CENTURY ecosystem model to simulate 1) long-term carbon accumulation and 2) short-term changes in carbon accumulation due to hydrologic changes. The CENTURY model was calibrated to...
Fens occur in many Colorado Rocky Mountain watersheds that have historically been affected by metal mining activities. A persistent effect of mining is acid rock drainage (ARD), which flows from mine adits and tailings piles. ARD water has low pH and high concentrations of heavy metals and can pollute surface and ground water supporting fens. There are few floristic differences between polluted and...
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