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Author : Charles Remington Goldman
Publisher : Unknown
Page : 432 pages
File Size : 46,5 Mb
Release : 1974
Category : Eutrophication
ISBN : UIUC:30112104129272
Author : Anonim
Publisher : Unknown
Page : 754 pages
File Size : 51,8 Mb
Release : 2000
Category : Tahoe, Lake, Watershed (Calif. and Nev.)
ISBN : MINN:31951D02974718B
Author : United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution
Publisher : Unknown
Page : 850 pages
File Size : 43,9 Mb
Release : 1972
Category : Environmental impact analysis
ISBN : UIUC:30112042166584
Author : Anonim
Publisher : Unknown
Page : 2 pages
File Size : 44,9 Mb
Release : 2002
Category : Floods
ISBN : UCSD:31822030841241
Author : Percy Harold McGauhey,Lake Tahoe Area Council,G. L. Dugan,D. B. Porcella
Publisher : Unknown
Page : 176 pages
File Size : 49,5 Mb
Release : 1972
Category : Eutrophication
ISBN : STANFORD:36105033222121
A survey was made of nutrient and other chemical constituents of surface waters from developed and undeveloped land areas, sewage effluents, seepage from septic tank percolation system and refuse fills, drainage from swamps, precipitation, and Lake Tahoe water. Algal growth stimulating potential of the samples were bioassayed with Selenastrum gracile as a test organism. Algal response to nutrients was measured by maximum growth rate and maximum cell count in a 5-day growth period. Ponds simulating the shallow portions of the lake were used for continuous flow assay of the biomass of indigenous lake organisms produced by sewage effluent. Flask assays and chemical analyses were made over two years on three major creeks. Twenty-eight other creeks and precipitations were monitored by chemical analysis. Evaluating the eutrophication potential, Lake Tahoe is nitrogen sensitive and responds to it in proportion to its concentration.
Author : United States. Department of Housing and Urban Development
Publisher : Unknown
Page : 578 pages
File Size : 40,7 Mb
Release : 1975
Category : Apartment houses, Cooperative
ISBN : UOM:35112104666013
Author : United States. Department of Housing and Urban Development
Publisher : Unknown
Page : 584 pages
File Size : 50,5 Mb
Release : 1975
Category : Apartment houses, Cooperative
ISBN : UOM:39015031833133
Author : Anonim
Publisher : Unknown
Page : 178 pages
File Size : 47,9 Mb
Release : 1976
Category : Electronic
ISBN : NWU:35556030833164
Author : Anonim
Publisher : Unknown
Page : 188 pages
File Size : 42,7 Mb
Release : 1974-10
Category : Electronic
ISBN : CORNELL:31924056693603
Author : Anonim
Publisher : Unknown
Page : 584 pages
File Size : 41,6 Mb
Release : 1982
Category : Water-supply
ISBN : MINN:31951000975128T
Author : Anonim
Publisher : Unknown
Page : 1186 pages
File Size : 46,7 Mb
Release : 1974
Category : Floods
ISBN : MINN:31951T00255853P
Author : United States. Environmental Protection Agency. Region IX.
Publisher : Unknown
Page : 234 pages
File Size : 47,6 Mb
Release : 1981
Category : Sewage
ISBN : UOM:39015022271426
Author : Anonim
Publisher : Unknown
Page : 222 pages
File Size : 52,9 Mb
Release : 1981
Category : Electronic
ISBN : NWU:35556031052020
Author : Anonim
Publisher : Unknown
Page : 1386 pages
File Size : 47,7 Mb
Release : 2024-07-01
Category : Government publications
ISBN : WISC:89117116400
Author : Francesca Gherardi
Publisher : Routledge
Page : 320 pages
File Size : 42,9 Mb
Release : 2017-11-22
Category : Science
ISBN : 9781351457514
From the third international workshop on the subject (U. of Florence, 1997), come 18 papers reviewing the issue of alien crayfish decimating the relatively few native species in European freshwater environments. In a historical and taxonomic context, the initial paper explains why such homogenizatio