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  1. Dissolved organic carbon fluxes from hydropedologic units in Alaskan coastal temperate rainforest watersheds

    Dissolved organic C (DOC) transfer from the landscape to coastal margins is a key component of regional C cycles. Hydropedology provides a conceptual and observational framework for linking soil hydrologic function to landscape C cycling. We used hydropedology to quantify the export of DOC from the terrestrial landscape and understand how soil temperature and water...

    Author(s):
    David V. D'Amore; Rick T. Edwards; Paul A. Herendeen; Eran Hood; Jason B. Fellman
    Year:
    2015
    Keywords:
    Source:
    Soil Science Society of America Journal

  2. Response of plant community structure and primary productivity to experimental drought and flooding in an Alaskan fen

    Northern peatlands represent a long-term net sink for atmospheric CO2, but these ecosystems can shift from net carbon (C) sinks to sources based on changing climate and environmental conditions. In particular, changes in water availability associated with climate control peatland vegetation and carbon uptake processes. We examined the influence of changing hydrology on...

    Author(s):
    Amber C. Churchill; Merritt R. Turetsky; A. David McGuire; Teresa N. Hollingsworth
    Year:
    2015
    Keywords:
    primary productivity, peatland, hydrologic manipulation, drying, flooding, carbon, vegetation
    Source:
    Canadian Journal of Forest Research. 45(2): 185-193.

  3. Warm summer nights and the growth decline of shore pine in Southeast Alaska

    Shore pine, which is a subspecies of lodgepole pine, was a widespread and dominant tree species in Southeast Alaska during the early Holocene. At present, the distribution of shore pine in Alaska is restricted to coastal bogs and fens, likely by competition with Sitka spruce and Western hemlock. Monitoring of permanent plots as part of the United States Forest Service...

    Author(s):
    Patrick F Sullivan; Robin L Mulvey; Annalis H Brownlee; Tara M Barrett; Robert R Pattison
    Year:
    2015
    Keywords:
    climate change, dendrochronology, diurnal temperature range, divergence, Dothistroma, Pinus contorta contorta.
    Source:
    Environmental Research Letters, Vol. 10(12): 124007-.
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