Výsledky vyhledávání - "J. E. Schindler"

Autor: J. E. Schindler, W. J. Foris, J. C. Knight, K. Celik

Publikováno v: Biological Invasions. 4:451-454

The predatory effects of a Dipteran insect, Chaoborus, on the competition between exotic cladoceran Daphnia lumholtzi and two natives, D. catawba and D. pulex, were studied for a period of three years in a freshwater reservoir, Lake James, North Caro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8281ba50ca814c07d3daace7fb8bc113
https://doi.org/10.1023/a:1023659019498

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Diel Changes of Neuston Biomass as Measured by ATP and Cell Counts, Lake Louise, Georgia, U.S.A

Autor: M. L. Freedman, J. E. Schindler, J. J. Hains

Publikováno v: Journal of Freshwater Ecology. 1:373-381

Variations of neuston adenosine triphosphate (ATP) over a 24 hr period confirmed observations of nocturnal surface film formation. ATP concentrations ranged from a low of 0.4 pmol.cm−2 at 1200 hrs to 7.4 pmol. cm−2 at 2000 hrs. The ATP dynamics w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18b394a6183a8fb2451e0882bef82a4c
https://doi.org/10.1080/02705060.1982.9664056

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High frequency energy exchange and mixing dynamics of lakes

Autor: J. E. Schindler, P. A. Giammatteo, Barbara J. Speziale, M. C. Waldron, J. J. Hains, J. M. Nestler, M. L. Freedman, S. P. Schreiner, M. J. Zimmerman

Publikováno v: SIL Proceedings, 1922-2010. 21:88-93

(1981). High frequency energy exchange and mixing dynamics of lakes. SIL Proceedings, 1922-2010: Vol. 21, No. 1, pp. 88-93.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::255fc4c9750a05137c845a28bb4cb7c1
https://doi.org/10.1080/03680770.1980.11896962

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Oxidation-Reduction Determinations at the Mud-Water Interface1

Autor: J. E. Schindler, K. R. Honick

Publikováno v: Limnology and Oceanography. 16:837-840

An uncomplicated technique for determining oxidation—reduction potentials of the mud—water interface region in aquatic systems is presented. Laboratory and field observations of the oxidation and reduction of hypolimnetic water and lake sediment

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37334930cb1d5948b5fc85858bf7177b
https://doi.org/10.4319/lo.1971.16.5.0837

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A PRELIMINARY INVESTIGATION OF ORGANIC-INORGANIC ASSOCIATIONS IN A STAGNATING SYSTEM1

Autor: K. R. Honick, J. E. Schindler, J. J. Alberts

Publikováno v: Limnology and Oceanography. 17:952-957

Molecular weight fractionation procedures were used to examine the possibility of organic-inorganic complex formation during stagnation of a lake sediment system. Fe, Mg, and Mn were found to associate with fractions >500 molecular weight. No evidenc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b11559079d7619b82e1b4b4fa800c0fa
https://doi.org/10.4319/lo.1972.17.6.0952

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The rolling texture of Pu-3.4 At. Pct Ga

Autor: R. L. Moment, J. E. Schindler

Publikováno v: Metallurgical Transactions. 1:157-162

The rolling texture of a Pu-3.4 at. pct Ga alloy has been measured as a function of reduction. Both (111) and (200) pole figures were plotted from reflection data for specimens rolled 70, 80, 90, and 95 pct at room temperature. The texture develops s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c1b20250bb2a09df819e21d4634fcaf
https://doi.org/10.1007/bf02819256

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Report on the methylmercury situation in Par Pond. Final report

Autor: J. E. Schindler, J. J. Alberts, D. J. Williams

Studies are reported on the methylation and accumulation of mercury in fish populations of the pond. Results showed that the majority of the mercury in the fish muscles was in the methyl mercury form. Very low concentrations of mercury were found in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71c3da01f9450712d704d0c43aef1677
https://doi.org/10.2172/4182918

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Effect of lead speciation on toxicity

Autor: M. L. Freedman, J. E. Schindler, M. J. Zimmerman, P. M. Cunningham

Publikováno v: Bulletin of environmental contamination and toxicology. 25(3)

Limnologists and aquatic toxicologists generally ignore the interactions between metals and ligands in aqueous systems. Chemical considerations often overlooked in metal toxicity bioassays and biogeochemical analyses of aquatic systems include ligand

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df1525e1d810264c5c23668ae056d03f
https://pubmed.ncbi.nlm.nih.gov/7426787

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