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Disentangling The Confounding Effects Of PAR And Air Temperature On Net Ecosystem Exchange At Multiple Time Scales

by Fianna O'Brien - January 25, 2017

Net ecosystem exchange of CO2 (NEE) in temperate forests is modulated by multiple microclimatic factors. The effects of these factors vary across time scales, with some correlated to produce confounding… More

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The Effect Of Water Table Fluctuation On Soil Respiration In A Lower Coastal Plain Forested Wetland In The Southeastern U.S.

by Fianna O'Brien - January 25, 2017

Anthropogenic and environmental pressures on wetland hydrology may trigger changes in carbon (C) cycling, potentially exposing vast amounts of soil C to rapid decomposition. We measured soil CO2 efflux (Rs)… More

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Cool-Season Whole-Plant Gas Exchange Of Exotic And Native Semiarid Bunchgrasses

by Fianna O'Brien - January 25, 2017

The success of invasive aridland plants may depend on their utilization of precipitation not fully exploited by native species, which could lead to seasonally altered ecosystem carbon and water fluxes…. More

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A Numerical Model For Simulating The Radiation Regime Within A Deciduous Forest Canopy

by Fianna O'Brien - January 25, 2017

A numerical model that simulates the radiation regime inside a fully leafed and leafless deciduous forest canopy is discussed and tested. The model incorporates features which account for the vertical… More

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The Use Of Relaxed Eddy Accumulation To Measure Biosphere-Atmosphere Exchange Of Isoprene And Other Biological Trace Gases

by Fianna O'Brien - January 25, 2017

The micrometeorological flux measurement technique known as relaxed eddy accumulation (REA) holds promise as a powerful new tool for ecologists. The more popular eddy covariance (eddy correlation) technique requires the… More

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How many measurements are needed to estimate accurate daily and annual soil respiration fluxes? Analysis using data from a temperate rainforest

by Anonymous - January 24, 2017

Making accurate estimations of daily and annual Rs fluxes is key for understanding the carbon cycle process and projecting effects of climate change. In this study we used high-frequency sampling… More

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Evaluation of impacts of management in an anthropogenic peatland using field and remote sensing data

by Anonymous - January 24, 2017

Peatlands are a type of wetland characterized by the accumulation of organic matter, called peat, and are important carbon reservoirs. In areas with poor drainage, human-induced forest fires and logging… More

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Evidence Of Increased Net Ecosystem Productivity Associated With A Longer Vegetated Season In A Deciduous Forest In South-Central Indiana, Usa

by Fianna O'Brien - January 23, 2017

Observations of net ecosystem exchange (NEE) of carbon and its biophysical drivers have been collected at the AmeriFlux site in the Morgan-Monroe State Forest (MMSF) in Indiana, USA since 1998…. More

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Overstory species composition, structure, and conservation challenges of a mature, natural-origin pine stand after decades of management

by Anonymous - December 8, 2016

This study provides a preliminary assessment of 4 compartments on the Crossett Experimental Forest (CEF) being restored to old-growth-like conditions. After being partially cleared for agriculture or lumbered in the… More

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The carbon balance pivot point of southwestern U.S. semiarid ecosystems: Insights from the 21st century drought

by Russ Scott - November 18, 2016

Global-scale studies indicate that semiarid regions strongly regulate the terrestrial carbon sink. However, we lack understanding of how climatic shifts, such as decadal drought, impact carbon sequestration across the wide… More

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