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Study Center

Studies represent the research efforts of scientists and the data they generate. You can search for studies, download study data and associated metadata, and see sample visualizations (where complete) for studies that researchers have made publicly available. Please respect the limitations of use of data outlined by each researcher on individual study pages. We also request that you cite this website if using data downloaded from here. If you have any questions or comments on using the study center please contact us at: scidb@evergreen.edu. To download the Study Center manual go to: http://scidb.evergreen.edu/databank/StudyCenter_User_Manual.pdf/download. To add your own study to the study center you will need to get a login. Email us at scidb@evergreen.edu to request a user name and password.
 Research Unit   Title   Principal Investigator   Objectives 
Project The 1000-year Chronosequence Study of the Western Washington Cascades Nadkarni , Van Pelt To characterize the composition, density, surface area, biomass, and spatial distribution of trees, saplings, and understory vegetation in a chronosequence of eight Douglas-fir/western hemlock stands ranging in age from 50 to approximately 950 years.
Study Age-related development of crown stucture in Coastal Douglas-fir forests Ishii , McDowell Compare crown structure of 20-, 40-, and 450-yr-old trees using stand-level structural development from young to old-growth stands as a conceptual analog for crown development.
Study Crown Structure and Spatial Distribution of Epiphytes on Western Hemlocks in an Old Growth Coniferous Forest Lyons To investigate the distribution of lichen functional groups on western hemlock trees of different size classes and to explore the relationship between epiphytes and branch and tree characteristics.
Study Luquillo Forest Dynamics Plot Canopy and Elevation Visualization To present the Luquillo Forest Dynamics Plot (LFDP) Canopy and Elevation data sets using visualization techniques.
Study Dwarf mistletoe infections in crowns of western hemlock and true firs Shaw To document the distribution of dwarf mistletoe infections in dominant tree species of an old-growth forest in the Pacific Northwest in order to understand the processes by which infection is transmitted in forest stands.
Study Open Space in Canopy Structure Dial To quantify forest canopy free space, element density (clutter), and the distribution and relative abundance of coarse canopy elements at six sites: two boreal (south-central Alaska), two temperate (Washington State and Victoria, Australia), and two tropical (Pacific Costa Rica and Malaysian Borneo).
Study Three dimensional structure of Castanea crenata Sumida To measure and visualize the stem structure of a single tree species, Japanese chestnut (Castanea crenata).
Three-dimensional canopy structure on canopy surfaces of four mixed-species tulip poplar type broadleaved forests of Maryland Parker To visualize surface area density maps of the canopy of a set of eastern deciduous forests.
Study Increasing the Estimate of Arthropod Abundance in a Tropical Rainforest Canopy by a Factor of Ten Dial To determine the distribution and abundance of canopy arthropods across a vertical gradient and identify environmental correlates
Study Monteverde, Epiphyte Changes Over Time Nadkarni This study took place in Costa Rica on three different study sites-Monteverde Reserve, Estacion Biologica, and Marios. Epiphytes on each site were cut, then regularly photographed over a period of time to observe how they regenerated. Each time specimens were photographed, they were labeled with a species number and date of photograph. The photographs were converted into slides that need to be scanned in and labeled.
Study Crown Structure and the Canopy Arthropod Biodiversity of Tasmanian Eucalyptus obliqua Bar-Ness To investigate the differences in arthropod biodiversity and crown structure between 100 year old and old-growth Eucalyptus obliqua trees at Warra Long Term Ecological Research Site, Southern Tasmania, Australia. To examine correlations between crown structure and arthropod biodiversity. To increase zoological knowledge of Eucalyptus canopies. To further develop 3-d virtualization techniques of arboreal structure.

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