Lake and Pond Management Guidebook - Chapter 5 pot

... information, call D and D Products Inc., Aquarius Systems (P.O. Box 2 15, North Prairie, WI 53 153 ; Tel: 41 4- 39 2-2 162 or 80 0-3 2 8-6 55 5; ww w.aquarius-systems.com). A semi-amphibious front-end loader ... have to remove and dispose of sediment from the pools. Pools can be expensive. A 52 5-gallon pool costs $ 455 , an 800-gallon pool costs $52 5, and a 1340-gallon...

Ngày tải lên: 11/08/2014, 10:22

... Low-Energy Lakeshore 1 .5. 3.1.1 Sand Blanket for a Swimming Area 1 .5. 3.2 Low-Bank, High-Energy Lakeshore 1 .5. 3.3 High-Bank, Low-Energy Lakeshore 1 .5. 3.4 High-Bank, High-Energy Lakeshore 1 .5. 4 Structural ... Dry Ponds 1.3.4 Wet Ponds 1.3 .5 Constructed Wetlands 1.4 Gully and Streambank Erosion Control 1 .5 Shoreland Landscaping 1 .5. 1 Native Landscaping and Upland Buffers 1 .5....

Ngày tải lên: 11/08/2014, 10:22

... solar-powered unit can aerate up to a 5- acre pond. For larger ponds or lakes, additional units can be added. Aerating a 2-acre pond by solar power will cost about $4600, while a 3-acre pond ... Water (ppm) Open-water algae 5 0 .5 0.1 25 Filamentous algae 10 1.0 0. 250 Chara 15 1 .5 0.3 75 © 2003 CRC Press LLC Installing a conventional aeration system does not guarantee cont...

Ngày tải lên: 11/08/2014, 10:22

... manufactured by Aquarius Sys - tems (P.O. Box 214, North Prairie, WI 53 153 ; Tel: 80 0- 32 8-6 55 5; www.aquarius-systems.com). 3.3.3 CONTROL TECHNIQUES FOR SUBMERGED P LANTS A lake needs native submerged ... about $50 per gallon. Liquid blue dyes are available from herbicide appli- cators or from Applied Biochemists, Inc. (6120 West Dou- glas Avenue, Milwaukee, WI 53 218; Tel...

Ngày tải lên: 11/08/2014, 10:22

... — 15 1.9 2.1 1.2 — 16 2.2 2 .5 1 .5 — 17 2 .5 3.0 1.8 — 18 — 3.6 2.2 — 19 — 4.2 2 .5 — 20 — 5. 4 3.0 1.8 21 — 6.3 3 .5 2.2 22 — 7.2 4.0 2.7 23 — 8.0 4 .5 3.3 24 — 8.6 5. 1 3.9 25 — 9.0 5. 7 4.4 26 — 9 .5 ... system has a 4-, 6-, or 8-inch pump that usually runs off a 5- to 30-horsepower electric motor. Gasoline-powered pumps can also be used. An intake line is placed in th...

Ngày tải lên: 11/08/2014, 10:22

... understanding, modeling, and design in natural and engineered water and wastewater treatment systems. In natural aquatic 1 -5 667 0-6 1 5- 7 / 05/ $0.00+$1 .50 © 2005byCRCPress 95 Copyright 20 05 by CRC ... Data 109 5. 4.1.1 Coagulation–Flocculation 109 5. 4.1.2 Particle Size and Shape 110 5. 4.1.3 Density and Porosity 113 5. 4.1.4 Collision Frequency Function 113 5. 4...

Ngày tải lên: 11/08/2014, 17:20

... seawater (nM) Mn 90.9 31.0 Mo 9 .5 218.7 Ba 300.7 55 .3 U 0.1 18.4 V 21.9 47.6 Fe 64.9 3.1 major solutes (mM) (mM) Cl 102.39 54 5.79 Na 88.74 468.03 SO 4 8 .50 28.21 Mg 10.37 53 .08 Ca 7.39 10. 25 K 1.64 10.21 Sr ... radionuclide enrichment,” Earth and Planetary Science Letters, 52 , 3 45 354 , 1981. Freeze, R.A. and Cherry, J.A., Groundwater, Prentice-Hall, 1979. Giblin, A.E...

Ngày tải lên: 11/08/2014, 13:21

... Field-Scale Studies 5. 3.3 Management Effects 5. 4 Surface Water Impacts 5. 4.1 Monitoring Studies 5. 4.2 Watershed and Field-Scale Studies 5. 4.3 Management Effects 5. 5 Summary References 5. 1 INTRODUCTION Before ... Ritter CONTENTS 5. 1 Introduction 5. 2 Fate and Transport Processes 5. 2.1 Pesticide Properties 5. 2.2 Soil Properties 5. 2.3 Site Conditions 5. 3 Groundwa...

Ngày tải lên: 11/08/2014, 15:20

... 116 Oxytetracycline 6 055 4 27792 93317 Sulfamethazine 60 — — Tetracycline 40000 — — Tylosin 4270 .5 553 7988 Carbadox 850 8 .5 184 16833 Sulfamethoxazole 296.1 62.2 53 0 Sulfadiazine 1 25 — — Sulfapyridine ... 1 25 5.3.1 Sorption in Soil 1 25 5.3.2 Persistence in Soil 127 5. 4 Transport of Veterinary Medicines in Soil Systems 128 5. 4.1 Leaching to Groundwater 128 5. 4.2 Runoff 129...

Ngày tải lên: 18/06/2014, 16:20

... http://www.faz.com/IN/INtem- plates/eFAZ/docmain.asp?rub={F040FFD 3-8 97B-46DF-960 3-7 52 DD64 053 89}&d oc={722DCB6C-4B8A-4D37-B1C 2-9 4EDB586FD30} (accessed March 4, 2004). Schuurman, N. 2000. Trouble in the heartland: ... http://www.newscientist.com/channel/tech/mg192 258 16.00 0- invented-for-the-military-used-to-defend-wildlife.html (accessed December 17, 2006). 3414.indb...

Ngày tải lên: 18/06/2014, 16:20