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

... suspended organisms, the plankton, such as phytoplankton (plants) and zooplankton (animals), and some consumers such as insects and fish. Plankton are small organisms that can feed and reproduce ... rocks, and sewage discharge are the three primary sources of basic nutrients in streams and rivers. 7. 10 CHAPTER REVIEW QUESTIONS 7. 1 Explain the "balanced aquarium" concept. 7. 2 ... 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...

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 ... stream- is typical of humid regions, where groundwater re- charges the stream. Losing stream- is typical of arid regions, where streams can recharge groundwater. Laminarflow-occurs in a stream...

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

... 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 ... 78 % by volume of nitrogen. Moreover, 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, 1986. ... compounds. However, an important distinction between cycling of sulfur and cycling of nitrogen and carbon is that sulfur is "already fixed." That is, plenty of sulfate an- ions are available...

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

... 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 ... 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- ... organisms with a short life span such as insects, and by annual plants. A classic example of exponential growth by an introduced species is the reindeer transported to Saint Paul Island 75 ~ickman,...

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

... the major determinant of stream water chemistry locally as well. These "determinants" of stream water chemistry are actu- ally the stream& apos;s "DNA." More specifically, ... salt- water (about 97% of the earth's water) in the oceans, and less than 3% is fresh- water. Of the latter, 77 % is frozen in polar ice caps and glaciers, 22% is groundwater, and ... and very basic form. The intent has been to lay a foundation upon which the focus of this text, stream ecology and self- purification, can be built. Beginning with an introduction to water and...

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

... Publishing Company, Inc. Stream Pollutants 1 37 Man's actions are determined by his expediency. If it makes man's life more con- venient, less expensive or pleasanter, the stream and its ... dissolved oxygen-oxygen-demanding wastes (3) Acids, salts, toxic metals, and their compounds-water-soluble inorganic chemicals (4) Water-soluble nitrate and phosphate salts-inorganic plant nutrients ... Insoluble and water-soluble oil, gasoline, plastics, pesticides, cleaning sol- vents, and many others-organic chemicals (6) Insoluble particles of soil, silt, and other inorganic and organic materials...

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

... Waste 1 7. 67 2.81 2 7. 65 3. 07 3 7. 57 3.40 4 7. 41 3 .74 5 7. 20 4.04 6 7. 00 4.26 7 6.86 4.40 8 6 .79 4.48 9 6 .75 4.52 10 6 .74 4.53 11 6 .73 4.53 12 6 .73 4.53 13 6 .73 4.53 14 6 .73 4.53 ... 1 "C lndustrial Rate: 7 pprn Treatment: Primary 5) Day Oxygen Waste 1 8.00 3. 37 2 7. 97 4 .73 3 7. 83 6.68 4 7. 57 9.08 5 7. 20 11 .77 6 6 .79 14.61 7 6.39 17. 42 8 6.01 20. 07 9 ... 1 "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...

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 ... 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 ... large-yel- low, large-deep, small-shallow, and small-deep. A stream with many pool types will support a wide variety of aquatic species. Rivers with low sinu- osity (few bends) and monotonous...

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

... interdependency is main- tained by a balance between plants and animals. 7. 2 Medium 7. 3 Twenty 7. 4 Lentic; lotic 7. 5 Seasonal 7. 6 Littoral 7. 7 Plankton 7. 8 Profundal 7. 9 Benthic 7. 10 Riffle, ... Godshalk, G. L., and Klug, M. J., "Changes in the chemical composition of leaves during processing in a woodland stream. " Ecology 57: 72 0 -7 27, 1 976 . Surface Water and Groundwater ... "Water-quality trends in the Nation's rivers." Sci- ence, 235( 479 6): 160 7- 1 615, 19 87. Smith, R. L., Ecology and Field Biology. New York: Harper & Row, Publishers, 1 974 . Spellman,...

Wastewater Purification: Aerobic Granulation in Sequencing Batch Reactors - Chapter 7 docx

... nthsliceofthemthsize-fractiongranulearegivenbySm,niand∂Sm,ni/∂r,respectively.53 671 _C0 07. indd 1 27 10/29/ 07 7:18:38 AM© 2008 by Taylor & Francis Group, LLC© 2008 by Taylor & Francis Group, LLCGrowth ... Biotechnol 67: 484–488.Withpermission.).53 671 _C0 07. indd 119 10/29/ 07 7:18:25 AM© 2008 by Taylor & Francis Group, LLC© 2008 by Taylor & Francis Group, LLC112 Wastewater PuriﬁcationandcanbedescribedbytheMonod-typeequation(Y.Liuetal.2005).Thischapterdis-cusses ... microbialfornutrientandcarbonremoval(seechapter1).Thegrowthofaerobicgranules111 7 Growth Kinetics of Aerobic GranulesQi-Shan Liu and Yu LiuCONTENTS 7. 1 Introduction 111 7. 2 A Simple Kinetic...

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