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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 6 ppt

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 6 ppt

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 6 ppt

... water. Surface water can be bro- ken down into five categories: oceans, lakes, rivers and streams, estuaries, and wetlands. 6. 4 STREAM WATER As Allen points out, we all have an intuitive appreciation ... transportation, recreation, and waste disposal. Humans cannot live without water. Consider the 5-5 -5 Rule-humans can live about five minutes without air, about five days without water, and ... the stream& apos;s "DNA." More specifically, if we were to analyze a sample of stream water, at any given time or place, the dissolved and suspended constitu- ents found in the stream...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 10 pptx

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 10 pptx

... pesticides, cleaning sol- vents, and many others-organic chemicals (6) Insoluble particles of soil, silt, and other inorganic and organic materials that can remain suspended in water-sediment ... Agency, EPA 230-B-9 6- 0 01, p. 33, 19 96. 162 ~arr, J. R. and Dudley, D. R., "Ecological perspective on water quality goals." Environmental Management, 55 5 -6 8, 1981; USEPA, ... Association, 57 :62 5 -6 28, 1 965 . 165 ~effe, G. K., "Techno-arrogance and halfway technologies: salmon hatcheries on the Pacific Coast of North America." Conservation Biology, 6: 35 0-3 54, 1992....
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 2 docx

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 2 docx

... flow, and the speed of flow changes to form a river. As it changes speed and slows, the river bot- tom changes from rock and stone to silt and clay. Plants begin to grow, stems thicken, and ... shape channels, or move signifi- cant quantities of sediment in all but sand-bed streams, which can experience change more rapidly. During extreme events, the greatest scour occurs, and the ... correlate with stream size and distance downstream. The most apparent and striking changes are in steepness of slope and in the transition from a shallow stream with large boulders and a stony...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 3 pot

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 3 pot

... as stated 36~ oran, J. M,, Morgan, M. D., and Wiersma, J. H., Introduction to EnvironmentalScience. New York: W.H. Free- man and Company, p. 67 ,19 86. 370dum, E. P., Basic Ecology. Philadelphia: ... Sediments Animal 'N' Excretion I Ammonia ++ Organic Nitrogen as Amino Acids Figure 3.3 Nitrogen cycle. the topic of stream ecology and self- purification, it is important to ... in the ocean, more than half in the photosynthetic layer. Some carbon is contained in buried dead animal and plant materials. Much of these buried plant and animal materials were transformed...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 5 pps

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 5 pps

... abandonment, the climax oak-hickory forest was restored. 5 .6 POPULATION RESPONSE TO STRESS AND STREAM ECOLOGY It is important to understand that the dynamic balance of the stream ecosys- ... Community ecology- the study of the structure and dynamics of animal and plant commu- nities. Population ecology provides modeling tools that can be used for predicting corn- munity structure and ... dynamics of animal and plant com- muni ties. 5 .6 produces aggregation, the result of responses by plants and animals to habitat differences. 85~iller, G. T., Environmental Science: An Introduction. ...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 7 docx

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 7 docx

... such as phytoplankton (plants) and zooplankton (ani- mals), and some consumers such as insects and fish. Plankton are small organ- isms that can feed and reproduce on their own and serve as food ... provide clean, healthy, normal streams. This is accomplished by maintaining the stream& apos;s flora and fauna in a balanced state. Nature balances stream life by maintaining both the number and the ... species present in any one part of the stream. Such balance ensures that there is never an overabundance of one species. Nature structures the stream environment so that plant and animal life is...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 12 pps

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 12 pps

... Waste 1 7 .67 3.37 2 7 .63 4.73 3 7.49 6. 68 4 7.20 9.08 5 6. 75 11.77 6 6.21 14 .61 7 5 .65 17.42 8 5.12 20.07 9 4 .64 22.45 10 4.23 24.51 11 3.89 26. 20 12 3 .63 27.54 13 3.42 28. 56 14 3.27 ... "C lndustrial Rate: 7 pprn Treatment: Secondary 6) Day Oxygen Waste 1 7 .67 2.81 2 7 .66 3.08 3 7 .63 3.47 4 7.57 3.95 5 7.48 4.49 6 7.38 5. 06 7 7. 26 5 .62 8 7. 16 6.15 9 7. 06 ... Treatment: None 4) Day Oxygen Waste 1 7 .67 4.07 2 7. 46 6 .66 3 6. 65 9. 96 4 5.07 13.37 5 3.00 16. 36 6 1 .O4 18 .60 7 0.00 20.03 8 0.00 20.81 9 0.00 21. 16 10 0.00 21.29 11 0.00 21.33 12...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 13 doc

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 13 doc

... the left and right stream banks separately. Define the "left" and "right" banks by standing at the downstream end of the study stretch and look up- stream. Each bank is evaluated ... BIOLOGICAL SAMPLING Arrange in order: 6. 4 m& 6. 5 mg/L, 6. 9 mgL, 7.0 mgL, 7.0 mg/L Median = 6. 9 mg/L (central value) Range = 7.0 mg/L - 6. 4 mg/L = 0 .6 mg/L The importance of using statistically ... time of day and seasons. There are three fundamental sizes of plankton: nannoplankton, microplankton, and macroplankton. The smallest are nannoplankton that range in size from 5 -6 0 microns...
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STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 14 (end) pptx

STREAM ECOLOGY & SELF PURIFICATION: An Introduction - Chapter 14 (end) pptx

... M. G., "Water-quality trends in the Nation's rivers." Sci- ence, 235(47 96) : 160 7-1 61 5, 1987. Smith, R. L., Ecology and Field Biology. New York: Harper & Row, Publishers, ... water, and about five weeks without food. 6. 5 Use(s) 6. 6 Evaporation-evaporation of surface water by the sun's energy Transpiration-water vapor emitted from plants Condensation-water changes ... R. and Marsson, M., Okologie der pjlanzlichen saprobiean. Berichte der Deutchen botanischen Gesellschaft., 26a: pp. 50 5-5 19, 19 06. (Translated 19 76. Biology of plant saprobia), pp. 4 7-5 2...
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SOIL ECOLOGY IN SUSTAINABLE AGRICULTURAL SYSTEMS - CHAPTER 6 pptx

SOIL ECOLOGY IN SUSTAINABLE AGRICULTURAL SYSTEMS - CHAPTER 6 pptx

... leucocephala 6 b112.8 23.1 21.8 46. 2Dactyladenia barteri 6 b50.5 36. 6 21.8 16. 7Leucaena leucocephala 7c93.1 12.7 16. 6 47 .6 Senna siamea 7c77.2 19.4 16. 6 30.8aNondegraded.bModerately ... Ibadan, 1992Casts(Mg ha–1)Organic C(kg/ha)Total N(kg/ha)Forests 36. 5 1805.4 131.5Bush fallow system 10.4 412 .6 27.5Leucaena alley cropping 40 .6 1903 .6 1 36. 6Pueraria live mulch 60 .0 ... cropped fields and arereported later in this chapter. Impact of Slash-and-Burn Land Preparation and Croppingon Earthworm ActivityHuman activity can change biophysical conditions drastically as...
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