Zobrazeno 1 - 10 of 14 pro vyhledávání: '"J. S. Mattice"'
4
Effects of Temperature on Adult Size and Emergence Success ofHexagenia bilineataUnder Laboratory Conditions
Autor: J. S. Mattice, L. L. Wright
Publikováno v: Journal of Freshwater Ecology. 1:27-39
The simultaneous effect of sex, initial size, and temperature on growth rates, adult size, and size at large wing-pad (LWP) stage of Hexagenia bilineata (Say) mayflies was investigated. We found that female nymphs grew faster than males; that growth
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a95c329a5e6c074a4f1afb9a77d5952
https://doi.org/10.1080/02705060.1981.9664014
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5
Two roles of ecologists in defining and determining the acceptability of environmental impacts
Autor: J. S. Mattice, S.W. Christensen, W. Van Winkle
Publikováno v: International Journal of Environmental Studies. 9:247-254
A framework is presented for defining the environmental impact of a project on an ecosystem. An 8‐step decision tree is introduced which leads to operational definitions of unacceptable and acceptable impacts. Within this framework, two roles ecolo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b82dc2ed9f933558b3b781f1d5799334
https://doi.org/10.1080/00207237608737634
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6
Substrate selection as a factor inHexageniadistribution
Autor: J. S. Mattice, Lynn L. Wright
Publikováno v: Aquatic Insects. 3:13-24
Our observations demonstrate that in laboratory aquaria Hexagenia bilineata (Say) nymphs will leave clay, gravel, and sandy clay and migrate to adhesive mud or fine sandy mud with no response to coarse sandy mud indicated. The nymphs were able to bur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9001ac50ffd37a596f6f0cdcefaaf00c
https://doi.org/10.1080/01650428109361039
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8
Effect of temperature and sex on growth patterns in nymphs of the mayfly Hexagenia hilineata in the laboratory
Autor: J. J. Beauchamp, J. S. Mattice, L. L. Wright
Publikováno v: Freshwater Biology. 12:535-545
SUMMARY. Eggs collected from Hexagenia bilineata females were successfully reared in the laboratory at temperatures of 15, 20, 25 and 30°C. Eggs did not hatch at 10°C and although hatching was successful at 35°C, all nymphs at this temperature die
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46d3fd440ae6ab1d38c6c09ce8054cf9
https://doi.org/10.1111/j.1365-2427.1982.tb00645.x
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9
Comparative Toxicity of Hypochlorous Acid and Hypochlorite Ions to Mosquitofish
Autor: J. S. Mattice, S. C. Tsai, M. B. Burch
Publikováno v: Transactions of the American Fisheries Society. 110:519-525
We examined the relative toxicity of hypochlorous acid (HOCl) and the hypochlorite ion (OCl−) by exposing mosquitofish Gambusia affinis for 1 hour to predominantly free residual chlorine (FRC) at six levels of pH following a 7-day acclimation to th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e8e5608248ced66ab663336efb5693b
https://doi.org/10.1577/1548-8659(1981)110<519:ctohaa>2.0.co
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10
Toxicity of Trihalomethanes to Common Carp Embryos
Autor: J. J. Beauchamp, S. C. Tsai, M. B. Burch, J. S. Mattice
Publikováno v: Transactions of the American Fisheries Society. 110:261-269
Trihalomethanes recently have been identified in real and simulated effluents from power plants where chlorine is used for biofouling control. Toxicity of the four chlorine- or bromine-containing trihalomethanes (chloroform, bromodichloromethane, dib
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f633a46a108f69dd5dd6fc49cee017d
https://doi.org/10.1577/1548-8659(1981)110<261:tottcc>2.0.co
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