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Creator:: Overton, W. Scott
Abstract:: Conclusion: The first part of this note deals with problems of propagation of error and the latter part with questions commonly identified as "model validation" questions. It is concluded that all validation questions can be resolved into two parts: (1) strategic aspects, involving logical and inferential structures and (2) tactical...
Resource Type:: Technical Report
Full Text:: CONIFEROUS FOREST BIOME Ecosystem Analysis Studies U.S

Creator:: Sollins, P., Brown, Alfred T., Swartzman, G. L. (Gordon L.), and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: CONIFER simulates water, carbon, and energy dynamics of a coniferous forest. The model consists of 29 nonlinear difference equations. Measured driving variables include air temperature, dew point temperature, precipitation, solar radiation, and wind speed. Water and energy variables are updated daily; carbon variables are updated weekly. This report contains a...
Resource Type:: Technical Report
Full Text:: , Seattle Bulletin No. 15 Coniferous Forest Biome Ecosystem Analysis Studies U.S./International Biological

Creator:: Campbell, Alsie Gilbert, Franklin, Jerry F., and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: Sixteen understory plant communities in the riparian zones of small streams are identified and described. They range from pioneer communities on gravel and rock to well-developed shrub communities on flood plains and terraces. Several other vegetation types are discussed. Distribution of communities within the riparian zone is also discussed. A...
Resource Type:: Technical Report
Full Text:: 14 Coniferous Forest Biome Ecosystem Analysis Studies .5. F6 COMPACT RIPARIAN VEGETATION IN

Creator:: Mispagel, Michael E., Rose, Sharon Diane, and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: The arthropod community in a Douglas-fir forest near Blue River, Lane County, Oregon was investigated from March through August 1973. Five stands of Douglas-fir were sampled: two clearcuttings, a young-growth (20 years old), a midgrowth (125 years old), and an old-growth (450 years old) plot. A pole pruner was used...
Resource Type:: Technical Report
Full Text:: Sharon D. Rose2 Bulletin 13 Coniferous Forest Biome Ecosystem Analysis Studies U.S./International

Creator:: Speir, Jon A. and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: Three aspects of lotic ecology have been analyzed utilizing data collected from totally autotrophic-based streams maintained by the Weyerhaeuser Company: energy transfer, effects of nitrogen addition, and simulation modeling. All three streams had very similar periphyton, grazer, collector, invertebrate predator, and vertebrate predator (fish) communities during the study period (1972-1974)....
Resource Type:: Technical Report
Full Text:: 541.5 .F6 C61 no. 9 Energy Transfer in an Autotrophic-Based Stream Ecosystem with Special Reference to

Creator:: Coniferous Forest Biome Modeling Group and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: CONIFER simulates water, carbon, and energy dynamics of a coniferous forest. The model consists of 29 nonlinear difference equations. Driving variables include air temperature, dew point temperature, precipitation, solar radiation, and wind speed. Water and energy variables are updated daily; carbon variables are updated weekly. This report contains a detailed...
Resource Type:: Technical Report
Full Text:: Oregon State University, Corvallis Bulletin No. 8 Coniferous Forest Biome Ecosystem Analysis Studies

Creator:: Edmonds, Robert L. and U.S. International Biological Program. Coniferous Forest Biome
Resource Type:: Technical Report
Full Text:: : Northern Wasatch Forest Ecosystem Study, Utah State University and USDA Forest Service, Logan: Cedar

Creator:: Deyrup, Mark Amidon and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: The insects that invade a dying or dead tree are the immediate cause of death and the principle mediators of early stages of decomposition of the tree. These insects form a large and complex community, the species components of which are restricted to particular habitats. A study of the insect...
Resource Type:: Technical Report
Full Text:: Forest Biome Ecosystem Analysis Studies ii The work reported in this paper was supported by National

Creator:: Waring, Richard H., Edmonds, Robert L., and U.S. International Biological Program. Coniferous Forest Biome
Resource Type:: Technical Report
Full Text:: Coniferous Forest Biome Ecosystem Analysis Studies U.S./International Biological Program The work

Creator:: Dyrness, C. T., Franklin, Jerry F., Moir, William H., and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: Forest communities in the central portion of Oregon's western Cascades are arrayed along moisture and temperature gradients. With the aid of reconnaissance data and a computerized ordination technique, 23 forest communities have been provisionally recognized in two distinct forest zones, the Tsuga heterophylla (300 to 1050 m in elevation) and...
Resource Type:: Technical Report
Full Text:: and W. H. Moir Rodeo, New Mexico Bulletin No. 4 Coniferous Forest Biome Ecosystem Analysis Studies

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