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Bond-Lamberty, B., Wang, C., Gower, S. T.
Net primary production (NPP) was measured in seven black spruce (Picea mariana (Mill.) BSP)-dominated sites comprising a boreal forest chronosequence near Thompson, Man., Canada. The sites burned between 1998 and 1850, and each contained separate well- and poorly drained stands. All components of NPP were measured, most …
Journal: Global Change Biology, Volume 10 (4): 473-487 (2004), ISBN . DOI: 10.1111/j.1529-8817.2003.0742.x Sites: CA-Man, CA-NS2, CA-NS3, CA-NS5, CA-NS6, CA-NS7
Heinsch, F.
The supply of water to the Nueces River Delta near Corpus Christi, Texas is limited by dams and channelization of the river which restrict freshwater inflow. The upper end (high marsh) of the delta frequently dries up during the summer. The marsh consists of slightly elevated islands containing emergent halophytes, and shallow ponds …
Journal: Agricultural And Forest Meteorology, Volume 125 (1-2): 159-172 (2004), ISBN . DOI: 10.1016/j.agrformet.2004.02.007 Sites: US-FR1, US-FR2, US-FR3
Baker, T. R., Phillips, O. L., Malhi, Y., Almeida, S., Arroyo, L., Di Fiore, A., Erwin, T., Killeen, T. J., Laurance, S. G., Laurance, W. F., Lewis, S. L., Lloyd, J., Monteagudo, A., Neill, D. A., Patino, S., Pitman, N. C., M. Silva, J. N., Vasquez Martinez, R.
Uncertainty in biomass estimates is one of the greatest limitations to models of carbon flux in tropical forests. Previous comparisons of field-based estimates of the aboveground biomass (AGB) of trees greater than 10 cm diameter within Amazonia have been limited by the paucity of data for western Amazon forests, and the use of …
Journal: Global Change Biology, Volume 10 (5): 545-562 (2004), ISBN . DOI: 10.1111/j.1365-2486.2004.00751.x Sites: BR-Ma2, BR-Sa1, BR-Sa3
Irvine, J., Law, B. E., Kurpius, M. R., Anthoni, P. M., Moore, D., Schwarz, P. A.
As forests age, their structure and productivity change, yet in some cases, annual rates of water loss remain unchanged. To identify mechanisms that might explain such observations, and to determine if widely different age classes of forests differ functionally, we examined young (Y, 25 years), mature (M, 90 years) …
Journal: Tree Physiology, Volume 24 (7): 753-763 (2004), ISBN . DOI: 10.1093/treephys/24.7.753 Sites: US-Me4, US-Me5
Viña, A., Genebry, G.M., Gitelson, A. A.
Synoptic monitoring of vegetation dynamics relies on satellite observations of the distinctive spectral contrast between red and near infrared reflectance that photosynthetically active green vegetation exhibits. It has long been recognized that the Normalized Difference Vegetation Index (NDVI) suffers a rapid decrease of sensitivity …
Journal: Geophysical Research Letters, Volume 31 (4): 1-4 (2004), ISBN . DOI: 10.1029/2003gl019034 Sites: US-Ne1, US-Ne2, US-Ne3
Viña, A., Gitelson, A. A., Rundquist, D. C., Keydan, G., Leavitt, B., Schepers, J.
Monitoring crop phenology is required for understanding intra- and interannual variations of agroecosystems, as well as for improving yield prediction models. The objective of this paper is to remotely evaluate the phenological development of maize (Zea mays L.) in terms of both biomass accumulation and reproductive organ …
Journal: Agronomy Journal, Volume 96 (4): 1139-1147 (2004), ISBN . DOI: 10.2134/agronj2004.1139 Sites: US-Ne1, US-Ne2, US-Ne3
Lee, X., Wu, H., Sigler, J., Oishi, C., Siccama, T.
The influence of rainstorm on soil respiration of a mixed forest in southern New England, USA was investigated with eddy covariance, rain simulation and laboratory incubation. …
Journal: Global Change Biology, Volume 10 (6): 1017-1026 (2004), ISBN . DOI: 10.1111/j.1529-8817.2003.00787.x Sites: US-GMF
Jarvis, A. J., Stauch, V. J., Schulz, K., Young, P. C.
Novel nonstationary and nonlinear dynamic time series analysis tools are applied to multiyear eddy covariance CO2 flux and micrometeorological data from the Harvard Forest and University of Michigan Biological Station field study sites. Firstly, the utility of these tools for partitioning the gross photosynthesis and bulk …
Journal: Global Change Biology, Volume 10 (6): 939-950 (2004), ISBN . DOI: 10.1111/j.1529-8817.2003.00743.x Sites: US-UMB
Kaakinen, S., Kostiainen, K., Ek, F., Saranpaa, P., Kubiske, M. E., Sober, J., Karnosky, D. F., Vapaavuori, E.
The aim of this study was to examine the effects of elevated carbon dioxide [CO2] and ozone [O3] and their interaction on wood chemistry and anatomy of …
Journal: Global Change Biology, Volume 10 (9): 1513-1525 (2004), ISBN . DOI: 10.1111/j.1365-2486.2004.00814.x Sites: US-Los
Post, W. M., Izaurralde, R. C., Jastrow, J. D., McCarl, B. A., Amonette, J. E., Bailey, V. L., Jardine, P. M., West, T. O., Zhou, J.
Journal: Bioscience, Volume 54 (10): 895-908 (2004), ISBN . DOI: 10.1641/0006-3568(2004)054[0895:eocsiu]2.0.co;2 Sites: US-IB1, US-IB2