A Survey and Distributional Analysis of the park Coccoid Fauna of the Great Smoky Mountains National Park and Evirons

This comprehensive study on the coccoids (Homoptera: Coccoidea) of the Great Smoky Mountains National Park (GSMNP) resulted in the collection of fifty-three species representing six families from which seven new collection records for Tennessee were obtained. Six species were discovered that possibly represent new species. Analysis of distribution and host relationships are provided. Keys to the families, genera, and species are provided as well as descriptions of scale covers or tests and distinguishing morphological characters of the adult females. A higher number of species were collected at lower elevational vegetative types and decreased inversely with elevation (y = 17.104 - 8.6125e - 3x; R2 = 0.679) as did the number of infestations sampled ( y = 38.301 - 1.1970e - 2x; R2 = 0.577). One exception to this relationship was the occurrence of a slightly higher number of species recorded and number of infestations sampled on the grassy balds at higher elevations. Coccoid distributions were positively correlated to host diversity. The hemlock-hardwood (HH) and the oakchestnut (OC) cover types supported more species than any other forest cover type. Many species were polyphagous and cosmopolitan, and other species had restricted hosts and a limited distribution. More species were collected in previously cutover and cultivated areas than any other type of vegetative habitat. Fifty-six plants in 27 families and 40 genera were recorded as coccoid hosts in the GSMNP. More species of Pinaceae and Rosaceae were recorded as hosts for coccoids and trees in the family Betulaceae supported more species than any other host family. Based on Shannon-Weaver diversity index values, thirty-three species were considered to be rare and only two species, Parthenolecanium corni (Bouche) (European fruit lecanium) and Abgrallaspis ithacae (Ferris) (hemlock scale), were considered to be abundant. P. corni was collected from 25 hosts from a wide elevational range represented the greatest potential to damage host in the GSMNP

Technology Challenges and Opportunities for Very Large In-Space Structural Systems

Space solar power satellites and other large space systems will require creative and innovative concepts in order to achieve economically viable designs. The mass and volume constraints of current and planned launch vehicles necessitate highly efficient structural systems be developed. In addition, modularity and in-space deployment/construction will be enabling design attributes. While current space systems allocate nearly 20 percent of the mass to the primary structure, the very large space systems of the future must overcome subsystem mass allocations by achieving a level of functional integration not yet realized. A proposed building block approach with two phases is presented to achieve near-term solar power satellite risk reduction with accompanying long-term technology advances. This paper reviews the current challenges of launching and building very large space systems from a structures and materials perspective utilizing recent experience. Promising technology advances anticipated in the coming decades in modularity, material systems, structural concepts, and in-space operations are presented. It is shown that, together, the current challenges and future advances in very large in-space structural systems may provide the technology pull/push necessary to make solar power satellite systems more technically and economically feasible

Solar Power Satellite Development: Advances in Modularity and Mechanical Systems

Space solar power satellites require innovative concepts in order to achieve economically and technically feasible designs. The mass and volume constraints of current and planned launch vehicles necessitate highly efficient structural systems be developed. In addition, modularity and in-space deployment will be enabling design attributes. This paper reviews the current challenges of launching and building very large space systems. A building block approach is proposed in order to achieve near-term solar power satellite risk reduction while promoting the necessary long-term technology advances. Promising mechanical systems technologies anticipated in the coming decades including modularity, material systems, structural concepts, and in-space operations are described

Solar Power Satellite Development: Advances in Modularity and Mechanical Systems

Space solar power satellites require innovative concepts in order to achieve economically and technically feasible designs. The mass and volume constraints of current and planned launch vehicles necessitate highly efficient structural systems be developed. In addition, modularity and in-space deployment will be enabling design attributes. This paper reviews the current challenges of launching and building very large space systems. A building block approach is proposed in order to achieve near-term solar power satellite risk reduction while promoting the necessary long-term technology advances. Promising mechanical systems technologies anticipated in the coming decades including modularity, material systems, structural concepts, and in-space operations are describe

Laser-Induced-Fluorescence Photogrammetry and Videogrammetry

An improved method of dot-projection photogrammetry and an extension of the method to encompass dot-projection videogrammetry overcome some deficiencies of dot-projection photogrammetry as previously practiced. The improved method makes it possible to perform dot-projection photogrammetry or videogrammetry on targets that have previously not been amenable to dot-projection photogrammetry because they do not scatter enough light. Such targets include ones that are transparent, specularly reflective, or dark. In standard dot-projection photogrammetry, multiple beams of white light are projected onto the surface of an object of interest (denoted the target) to form a known pattern of bright dots. The illuminated surface is imaged in one or more cameras oriented at a nonzero angle or angles with respect to a central axis of the illuminating beams. The locations of the dots in the image(s) contain stereoscopic information on the locations of the dots, and, hence, on the location, shape, and orientation of the illuminated surface of the target. The images are digitized and processed to extract this information. Hardware and software to implement standard dot-projection photogrammetry are commercially available. Success in dot-projection photogrammetry depends on achieving sufficient signal-to-noise ratios: that is, it depends on scattering of enough light by the target so that the dots as imaged in the camera(s) stand out clearly against the ambient-illumination component of the image of the target. In one technique used previously to increase the signal-to-noise ratio, the target is illuminated by intense, pulsed laser light and the light entering the camera(s) is band-pass filtered at the laser wavelength. Unfortunately, speckle caused by the coherence of the laser light engenders apparent movement in the projected dots, thereby giving rise to errors in the measurement of the centroids of the dots and corresponding errors in the computed shape and location of the surface of the target. The improved method is denoted laser-induced-fluorescence photogrammetry

Household Production and Consumption of News-Information Services: An Empirical Study

A dramatic decline in newspaper consumption has been observed in recent years. This paper offers a theoretical justification for this phenomenon based on the opportunity cost of household time. A rising labor force participation rate, which proxies the opportunity cost of household production, helps explain the observed decline in newspaper consumption in a simple empirical test.Household Production; Households; News; Newspapers; Service; Services

Vineyard and Cellar Notes

Individual volumes published as issues of various other NYSAES series (such as Research Circulars and Special Reports). Available years include 1958-1973. Also available in print form, see library holdings under call number: SB387.76 .N7 N681.Descriptions and evaluation of quality of wines made at the NYSAES from various grape varieties. Also included are notes on vineyard performance of the grape varieties

Photogrammetric system and method used in the characterization of a structure

A photogrammetric system uses an array of spaced-apart targets coupled to a structure. Each target exhibits fluorescence when exposed to a broad beam of illumination. A photogrammetric imaging system located remotely with respect to the structure detects and processes the fluorescence (but not the illumination wavelength) to measure the shape of a structure