Water, Bottom Deposits, and Zooplankton of Fern Lake, Washington1

Olsen, Sigurd; Chakravarti, Diptiman; Olson, Paul R.

doi:10.4319/lo.1967.12.3.0392

Cited by 6 publications

(3 citation statements)

References 8 publications

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“…Fern Lake is 9.7 ha in surface area and is 7.6 m at its greatest depth (Olsen, Chakravarti, and Olson 1967). Figure 2, a contour map of Fern Lake, shows the location and depth of the sampling stations ; the shoreline areas are designated by clockwise numbering, the northern end of the lake being identified as station 12 :00.…”

Section: Field Experiments At Fern Lakementioning

confidence: 99%

The Uptake of I^(131) by the Biota of Fern Lake, Washington, in a Laboratory and a Field Experiment

Short¹,

Palumbo²,

Olson³

et al. 1969

Ecology

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The distribution of I131 among the biota of Fern Lake, Washington, was compared in aquarium and field experiments. The samples for study in the laboratory were isolated in containers so that the water solution, and not food, was the major source of the radionuclide. The field experiment related the uptake of I131 by organisms isolated in containers to the accumulation by those with access to their usual sources of food. In the aquarium, the initial concentration of I131 was 8,000 times the average concentration calculated for the lake experiment. Maximum concentration factors ranged from 1.7 and 2.6 for the muscle of trout and crayfish, respectively, to 280 for the "thyroid" of trout, 380 for Nitella, and 600 for an amphipod. I131 was not detected in a number of samples collected from the lake, but accumulation factors were as high as 1,400 for Nitella clumps and 12,000 for the "thyroid" of trout. Young microcrustaceans, which are able to accumulate iodine directly from water, were an important source of I131 for trout.

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Section: Field Experiments At Fern Lakementioning

confidence: 99%

The Uptake of I^(131) by the Biota of Fern Lake, Washington, in a Laboratory and a Field Experiment

Short¹,

Palumbo²,

Olson³

et al. 1969

Ecology

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show abstract

“…Analyses of water samples taken from the receiving reservoir, Lynx Lake (Lampkin, 1980), indicate dissolved metals in excess of concentrations reported for uncontaminated lakes (Olsen et al, 1967, Barnes & Schell, 1973 . Lake sediment analyses also revealed high levels of heavy metals and phosphorus, indicating that pollutants from SMC reach the Lake and enter long-term storage in the sediments (Lampkin, 1980).…”

Section: Resultsmentioning

confidence: 99%

Impact of acid mine-drainage from abandoned spoils on the chemistry of an intermittent stream in the arid Southwest

Lampkin

Sommerfeld

1986

Hydrobiologia

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Drainage from an orphaned copper mine (Sheldon Mine Complex) contributes highly mineralized, acidic waters to Lynx Creek, a small intermittent, arid-climate stream . This results in localized elevation of major cations, silica, sulfate, and heavy metals (Cu, Fe, Mn, Zn), depression in pH, and complete neutralization of bicarbonate alkalinity . Levels of chloride, nitrogen and phosphorus are unaffected by mine-drainage . During stable flow, water quality of the creek improves downstream through precipitation of metal salts, dilution by less mineralized tributaries, and additional buffering from the creek channel and tributaries . Climatic aridity, via high evaporation, concentrates and precipitates metal salts during summertime periods of low flow. Creek sediments thus contain large amounts of heavy metals and phosphorus that are transported downstream in suspended particulates during spates . This reflects an annual cycle of temporary creek-bed storage followed by episodic mobilization toward Lynx Lake, a downstream reservoir . Although the influence of mine drainage is not overtly apparent in the dissolved chemistry of the Lake, high concentrations of metals and phosphorus occur in lake sediments .

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“…This may be attributablc to rnorphometry (SWINDLER, 197 l), hydrology (OLSRN and OLSON, 1966; OLYEN, CIIAKRAVARTI a. OLSON, 1967), or other causes. Occasionally, closely adjacent (PECHLANER, 197 1 ) and even coniwctcd lakes differ dramatically, like Crooked Lake and Little Crooked Lake in Indiana, which though connected by a short channel, differ markedly in productivity (WETZEL, 1965).…”

mentioning

confidence: 99%

Lakes Sorell and Crescent—A Tasmanian Paradox

Cheng¹,

Tyler

1973

Intl Review of Hydrobiology

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Lakes Sorell and Crescent are closely adjacent shallow lakes on the Tasmanian Central Plateau. They have similar morphometry and similar climate, geology, soils and vegetation in their catchments. They are polymictic, oxygen-saturated and colourless but turbid. They have soft water with major ions Na, Ca, Mg, C1, HC03 present in almost equi-ionic quantities, and a slightly alkaline reaction. Chemically they are alike, the major difference being a 200/,, higher salinity in Crescent f r m i 1967-69. During 1969-71 heavy rains reduced this difference. Water frequently flows from Sxell to Crescent in any year.Despite these similarities their phytoplankton populations differ markedly in every respectspecies corriyosition, population structure, population stability and total biomass. Lake Crescent has a standing crop 10 X that of Sorell. The former is eutrophic, the latter mesotrophic. Well marked seasonal cycles do not occur but sporadic fluctuations of biomass are brought about by liydrologic or other events.The pronounced differences in every aspect of plankton populations in two so similar and connected lakes cannot get be explaincd. They remain a limnological paradox.

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Water, Bottom Deposits, and Zooplankton of Fern Lake, Washington1

Cited by 6 publications

References 8 publications

The Uptake of I^(131) by the Biota of Fern Lake, Washington, in a Laboratory and a Field Experiment

The Uptake of I^(131) by the Biota of Fern Lake, Washington, in a Laboratory and a Field Experiment

Impact of acid mine-drainage from abandoned spoils on the chemistry of an intermittent stream in the arid Southwest

Lakes Sorell and Crescent—A Tasmanian Paradox

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