Search Results for the EPA National Library Catalog

Items Found: 148

Showing: Items 101 - 148

Your Search: (SUBJECT=Diatoms)


PREV 1 2 3
Select Item Title Year Published
Monitoring Environmental Changes in Lakes Using Algal Microfossils. 1991
Observations on North American Populations of 'Stephanodiscus' (Bacillariophyceae) Species Attributed to Friedrich Hustedt. 1982
Occurrence of diatoms in lakeside wells in northern New Jersey as an indicator of the effect of surface water on ground-water quality / 2006
Paleoecological analysis of lake acidification trends in North America and Europe using diatoms and chrysophytes 1989
Paleoecological investigation of recent lake acidification (PIRLA) : 1983-1985 / 1989
Periphyton and Phytobenthon as Indicators of Water Quality. 1972
Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes. 1986
Phytoplankton Assemblages of the Nearshore Zone of Southern Lake Michigan. 1979
Phytoplankton composition and abundance in Lake Ontario during IFYGL / 1975
Phytoplankton Composition, Abundance and Distribution in Lake Huron. 1985
Phytoplankton of Minnesota Lakes. A Preliminary Survey. 1971
Phytoplankton Species and Populations in the Pamlico River Estuary of North Carolina. 1971
PIRLA 2 Project: Regional Assessment of Lake Acidification Trends. 1990
PIRLA DBMS Quick Reference Guide. 1991
Plankton diatom assemblages in Lake Michigan, 1970
Plankton Diatom Assemblages in Lake Michigan. 1969
Preliminary Laboratory Research in Experimental Brackish Ecosystems (Recherches Preliminaires en Laboratoire sur des Ecosystems Saumatres Experimentaux). 1974
Primary Productivity and Related Processes in New York Harbor as Reflective of Changing Water Quality. 1984
Proceedings of Sandusky River Basin Symposium, Held at Tiffin, Ohio on May 2-3, 1975. 1975
Proceedings of the Eighteenth International Diatom Symposium : Mi edzyzdroje, Poland 2nd - 7th September 2004 / 2006
Proceedings of the sixth symposium on recent and fossil diatoms 1981
Quantitative Differences between Benthic Algal Communities Along a Depth Gradient in Lake Michigan. 1981
Response of Estuarine Diatom Assemblages to Ultraviolet-B Radiation (290-320 nm). 1985
Response of the Photosynthetic Apparatus of 'Phaeodactylum tricornutum' (Bacillariophyceae) to Nitrate, Phosphate, or Iron Starvation. 1993
Response of the Spokane River periphyton community to primary sewage effluent and continued investigation of Long Lake : project completion report / 1975
Restoration of lower St. Regis Lake, Franklin County, New York / 1977
Seasonal Abundance Patterns of Diatoms on 'Cladophora' in Lake Huron. 1982
Seasonal and spatial patterns of nitrate and silica concentrations in Canajoharie Creek, New York 1998
Seasonal fluctuations of major diatom species at five stations across Lake Michigan : May 1970-October 1972 / 1980
Second Symposium on Recent and Fossil Marine Diatoms, London, September 4-9, 1972 : proceedings / 1973
Some Aspects of Morphological Variation in 'Stephanodiacus niagarae' (Bacillariophyceae). 1980
Stratigraphic Evidence of Human turbance in Some Chesapeake Bay Tributaries. 1983
Studies on Ohio diatoms 1977
Study of Phytoplankton Dynamics in Lake Fayetteville as a Means of Assessing Water Quality. 1971
Surface Waters Component of the Environmental Monitoring and Assessment Program (EMAP): An Overview. 1992
Survey of the Nation's Lakes Field Operations Manual, Draft. 2006
Systematic Position of Melosira Ambigua (Grun.) O. Mull. and Its New Form (O. Sistematicheskom Polozhenii Melosira Ambigua (Grun.) O. Mull. i yee Novoi Formy). 1966
Systematic, Quantitative, and Ecological Comparison of 'Melosira islandica' O. Muell with M. granulata' (EHR.) Ralfs from the Laurentian Great Lakes. 1981
The common phytoplankton genera from eastern and southeastern lakes / 1979
The diatoms : applications for the environmental and earth sciences / 1999
The ecology of diatoms in hardwater habitats / 1971
The role of trace elements in management of nuisance growths, 1975
Third Symposium on Recent and Fossil Marine Diatoms, Kiel, September 9-13, 1974 : proceedings 1975
Use of Periphyton in the Development of Biocriteria. 1994
Variability in Diatom and Chrysophyte Assemblages and Inferred pH: Paleolimnological Studies of Big Moose Lake, New York, USA. 1991
Variability of 'Stephanodiscus hantzschii Grun' (Ueber die Variabilitaet von 'Stephanodiscus hantzschii Grun'). 1974
Water Pollution Investigation: Ashtabula Area. 1975
Zooplankton grazing and population dynamics relative to water quality in southern Lake Huron / 1980
PREV 1 2 3

Save, Print or Email Selected Records