CrismanChapmanChapman1998

Référence

Crisman, T.L., Chapman, L.J. and Chapman, C.A. (1998) Predictors of seasonal oxygen levels in small Florida lakes: The importance of color. Hydrobiologia, 368(1-3):149-155. (Scopus )

Résumé

This study examines the relationship of profundal oxygen concentrations in 55 shallow Florida lakes to humic color, trophic state, and lake size during different seasons. The data set represented a broad range of color and trophic state. The percent saturation of dissolved oxygen remained relatively constant during the fall (mean 78.4%), winter (mean 81.3%), and spring (mean 82.5%), but declined markedly during summer (mean 65.2%). Chlorophyll a concentrations were highest during the winter (mean 2.52 mg m-3) and lowest during the fall (mean 1.17 mg m-3), while color peaked during the fall (mean 30.1 mg Pt l-1) and was lowest during the summer (mean 12.7 mg Pt l-1). The relative importance of lake size, chlorophyll a, and color in explaining variation in percent oxygen saturation was examined using multiple regression. Percent oxygen saturation was negatively correlated with color during the winter, spring, and summer, and positively correlated with lake size in the winter and spring. However, percent oxygen saturation showed no relationship with chlorophyll a during any season. These results suggest that colored Florida lakes are naturally oxygen depleted and that profundal oxygen values have little relationship to lake trophic state. © 1998 Kluwer Academic Publishers.

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@ARTICLE { CrismanChapmanChapman1998,
    AUTHOR = { Crisman, T.L. and Chapman, L.J. and Chapman, C.A. },
    TITLE = { Predictors of seasonal oxygen levels in small Florida lakes: The importance of color },
    JOURNAL = { Hydrobiologia },
    YEAR = { 1998 },
    VOLUME = { 368 },
    PAGES = { 149--155 },
    NUMBER = { 1-3 },
    __MARKEDENTRY = { [Luc:6] },
    ABSTRACT = { This study examines the relationship of profundal oxygen concentrations in 55 shallow Florida lakes to humic color, trophic state, and lake size during different seasons. The data set represented a broad range of color and trophic state. The percent saturation of dissolved oxygen remained relatively constant during the fall (mean 78.4%), winter (mean 81.3%), and spring (mean 82.5%), but declined markedly during summer (mean 65.2%). Chlorophyll a concentrations were highest during the winter (mean 2.52 mg m-3) and lowest during the fall (mean 1.17 mg m-3), while color peaked during the fall (mean 30.1 mg Pt l-1) and was lowest during the summer (mean 12.7 mg Pt l-1). The relative importance of lake size, chlorophyll a, and color in explaining variation in percent oxygen saturation was examined using multiple regression. Percent oxygen saturation was negatively correlated with color during the winter, spring, and summer, and positively correlated with lake size in the winter and spring. However, percent oxygen saturation showed no relationship with chlorophyll a during any season. These results suggest that colored Florida lakes are naturally oxygen depleted and that profundal oxygen values have little relationship to lake trophic state. © 1998 Kluwer Academic Publishers. },
    ADDRESS = { Department of Zoology, University of Florida, Gainesville, FL 32611, United States },
    COMMENT = { Cited By (since 1996):7 Export Date: 14 February 2014 Source: Scopus },
    KEYWORDS = { Color, Dissolved oxygen, Florida lakes, Trophic state },
    OWNER = { Luc },
    TIMESTAMP = { 2014.02.14 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-0031693620&partnerID=40&md5=c49fef2d9f748dd9fdf0f2f0b4587765 },
}

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