Ohio Journal of Science: Volume 90, Issue 4 (September, 1990)

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Front Matter
pp. 0
Article description | Article Full Text PDF (690KB)

A Morphometric Comparison of Gray Treefrogs, Hyla chrysoscelis and H. versicolor, from Ohio
Matson, Timothy O. pp. 98-101
Article description | Article Full Text PDF (378KB)

Comparison of Academic Performance of Settled-Out and Mobile Migrant Children in Northwest Ohio
Gordon, Jeffrey J.; Straub, Marybob pp. 102-105
Article description | Article Full Text PDF (1754KB)

Geology of Seneca Caverns, Seneca County, Ohio
Ruedisili, Lon C.; Kihn, Gary E.; Bell, Richard C. pp. 106-111
Article description | Article Full Text PDF (1126KB)

A Survey of Small Sewage Treatment Facilities in Ohio
Mancl, Karen M. pp. 112-117
Article description | Article Full Text PDF (2626KB)

Relating Soil Color to Soil Water Table Levels
Guertal, W. R.; Hall, George F. pp. 118-124
Article description | Article Full Text PDF (698KB)

Perturbation Effects on Deer Mouse Populations in Corn Agroecosystems
Barrett, Gary W.; Haviland, Christina S.; Taylor, Douglas H. pp. 125-129
Article description | Article Full Text PDF (491KB)

The Macrolichens of Ohio: A Revised Checklist
Flenniken, Don; Showman, Ray E. pp. 130-132
Article description | Article Full Text PDF (278KB)

Brief Note: Some Exotic Terrestrial Isopods (Oniscoidea) from the Columbus Zoo Exploration Center, Powell, Ohio: Two New State Records
Keeney, George D. pp. 133-134
Article description | Article Full Text PDF (725KB)

Book Reviews
pp. 135-136
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Back Matter
pp. 999
Article description | Article Full Text PDF (547KB)

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    Back Matter
    (1990-09)
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    Book Reviews
    (1990-09)
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    Brief Note: Some Exotic Terrestrial Isopods (Oniscoidea) from the Columbus Zoo Exploration Center, Powell, Ohio: Two New State Records
    (1990-09) Keeney, George D.
    Two species records for Oniscoidea in Ohio were noted during a survey of the isopod fauna of the Columbus Zoo Exploration Center. These were VeneziUo evergladensis Schultz (Armadillidae) and Trichorhina tomentosa (Budde-Lund) (Squamiferidae).
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    The Macrolichens of Ohio: A Revised Checklist
    (1990-09) Flenniken, Don; Showman, Ray E.
    The current revised list of macrolichens in Ohio contains 208 species, including twenty-eight species new to Ohio during the past 20 years. Nomenclature for Ohio's known species has been revised to reflect the most recent changes. Relative abundance is given for the species listed.
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    Perturbation Effects on Deer Mouse Populations in Corn Agroecosystems
    (1990-09) Barrett, Gary W.; Haviland, Christina S.; Taylor, Douglas H.
    Peromyscus maniculatus living in or near agricultural fields are often exposed simultaneously to insecticide stress and temporary lack of cover at the time of planting. The effects of these two perturbations on P. maniculatus populations in experimental agroecosystems were investigated. Eight 0.1-ha enclosures were planted in field corn (Zea mayes). Four enclosures were treated with COUNTER® insecticide at the time of planting and four were left as untreated controls. Four pair of adult P. maniculatus were released into each enclosure and their population dynamics monitored for five weeks following treatment. No significant differences were found between Peromyscus densities in control and insecticide-treated plots or between sex ratios and trapping efficiencies. Also, no significant differences were found in habitat use by male and female mice. Predation, however, appeared to have caused a decline in population densities during week two in both treated and control plots.
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    Relating Soil Color to Soil Water Table Levels
    (1990-09) Guertal, W. R.; Hall, George F.
    According to Soil Taxonomy, soil horizons with mottles that have a Munsell color chroma of 2 or less, with a moist Munsell value of 4 or more, are saturated for some period of the year during which the temperature of the horizon is above 5°C, if the soil is not drained. Although soil scientists have been predicting depth to the water table for many years using depth to colors with 2 chroma or less, sufficient data have not been gathered to verify this relationship. As a result, the reliability of soil interpretations has suffered. This project was conducted on a glacial till plain toposequence containing three soils representative of those common throughout northwestern Ohio. Depth to the water table was measured for two years using piezometers. During part of the year, a water table was observed within 110 cm of the soil surface for the well drained Morley soil. The moderately well drained Glynwood soil had a water table that rose to within 60 cm of the soil surface. The Blount soil, somewhat poorly drained, had a water table within 15 cm of the soil surface. The data gathered suggests that the presence of colors with 2 chroma or less, reliably predicts the depth to the water table.
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    A Survey of Small Sewage Treatment Facilities in Ohio
    (1990-09) Mancl, Karen M.
    In 1987, a small sewage treatment facilities survey was conducted of all county and local health departments in Ohio. The objectives were to learn how local sewage treatment facilities programs are managed, the types of systems in use, the numbers of permits issued, and the number of systems that are failing. The survey results indicate that urban areas in Ohio have the largest health departments and had over 13,000 permits issued in 1986 which accounted for the greatest number of permits. Site evaluation procedures varied greatly across the state. In 25 counties, permits were issued without a visit to the site. Sanitarians estimated that 27% of the septic systems are failing. Aerobic systems are used heavily in Ohio, while alternative systems have limited use. To address the problems of failing systems and unsuitable sites for septic systems, more information is needed at the county level about alternative sewage systems and on-site system management.
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    Geology of Seneca Caverns, Seneca County, Ohio
    (1990-09) Ruedisili, Lon C.; Kihn, Gary E.; Bell, Richard C.
    Seneca Caverns were formed along a major fracture which trends N68°W and dips 40°NE in the Columbus and Lucas Formations (Middle Devonian) and possibly the underlying strata. This cavern is a collapse or breakdown-type cavern, probably resulting from deep-seated solution of gypsum in the Bass Islands Group (Upper Silurian). Seven of the 12 known levels or rooms were surveyed and mapped to delineate the elevations, dimensions and unique features of each level. Cavern stratigraphy and paleontology correlated with the stratigraphy of north-central and central Ohio. Fluctuations in the level of the cavern stream (Old Mist'ry River), commonly found in the seventh level approximately 30 m (100 ft) below the surface, appear to be the direct result of rate and duration of precipitation and soil moisture content. Lag times range from five hours to five days, 15 hours, and 10 minutes. Geochemical parameters exhibited by the cavern stream were very similar to those of Castalia Blue Hole. The 1988 drought eliminated a selected dye trace to evaluate the possible connection of these two features.
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    Comparison of Academic Performance of Settled-Out and Mobile Migrant Children in Northwest Ohio
    (1990-09) Gordon, Jeffrey J.; Straub, Marybob
    The non-nomadic lifestyle of settled-out migrant children was felt to be more conducive to positive academic achievement than that of their still mobile peers. Thus, an academic comparison between these two types of migrant school children was suggested and undertaken. The three-part working hypothesis of this study was that settled-out migrant school children will be found to: 1. academically outperform still mobile migrant children; 2. exhibit a significantly higher level of academic superiority; and 3. demonstrate improvement in academic performance with time. These three findings were expected to occur because settled-out migrant children have had greater geographical stability and, thus, more time to become accumulated into the local community than have still mobile migrant children. The academic performances of settled-out and mobile migrant children were compared using grades four, five, and six in 31 elementary and middle schools in northwest Ohio for the first grading period of the 1986-87 school year. The data analysis confirmed the first and second expectations of the hypothesis; but, surprisingly and disconcertingly, did not support the third. Although settled-out migrant children consistently were found to be significantly academically superior to mobile migrant children throughout the three grades examined, it appeared, in this case at least, that both groups performed less well academically as they spent more years in school.
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    A Morphometric Comparison of Gray Treefrogs, Hyla chrysoscelis and H. versicolor, from Ohio
    (1990-09) Matson, Timothy O.
    Thirteen morphometric characters were compared between two cryptic species of gray treefrogs from Ohio. Discriminant function analysis using snout-vent length, shank length, and thigh length correctly classified 76.7% of diploid Hyla chrysoscelis and tetraploid//. versicolor. Ohio diploids are more similar in size to those in Texas than to those of Michigan and Wisconsin or southeastern states. Tetraploid treefrogs in Ohio are intermediate in size to those of Texas, North Carolina, and Wisconsin. Latitudinal and longitudinal clinal variation in snout-vent length is apparent in both species.
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    Front Matter
    (1990-09)