. Advances in marine environmental research : proceedings of a symposium. Marine ecology -- Research; Marine ecology. o I- < u UJ cr a. 900 • 800 ? 700 ? 600 • 500 ? 400 - 300 ? 1 200 ? 100 ? lid ll T 1 1 r. Figure 23-2. Monthly Rainfall Since 1960 at a Selected Rain Gauge in the Kaneohe Bay Watershed. of hard substratum for settlement; particulate material in the water column lowers light and interferes with feeding mechanisms. Nutrient loading from sewage discharge has increased about sixfold since 1963 (Figure 23-3). This increase is consistent with the previously cited rate of human pop
. Advances in marine environmental research : proceedings of a symposium. Marine ecology -- Research; Marine ecology. o I- < u UJ cr a. 900 • 800 ? 700 ? 600 • 500 ? 400 - 300 ? 1 200 ? 100 ? lid ll T 1 1 r. Figure 23-2. Monthly Rainfall Since 1960 at a Selected Rain Gauge in the Kaneohe Bay Watershed. of hard substratum for settlement; particulate material in the water column lowers light and interferes with feeding mechanisms. Nutrient loading from sewage discharge has increased about sixfold since 1963 (Figure 23-3). This increase is consistent with the previously cited rate of human population increase in the Kaneohe watershed. Virtually the entire nutrient load delivered to Kaneohe Bay is stripped from the water by biological uptake. There have been several obvious responses to the increased nutrient loading. Benthic algae are locally abundant on the reef flats and compete successfully vWth the corals for space on the reef slopes (2). The zone of present algal dominance on the reef slopes corresponds with the zone left undamaged by the 1965 freshwater kill. Phytoplankton standing crop and productivity are elevated above pre-loading levels; included in this high standing crop are frequent plankton "blooms" (4, plus our ovw data). Various 350. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Environmental Research Laboratory (Narragansett, R. I. ); Jacoff, Francine Sakin. Narragansett, R. I. : Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency
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