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Author : Ole A. Sæther
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (556 download)
Download or read book Nomenclature Notes on Some Orthoclads (Diptera:Chironomidae) written by Ole A. Sæther and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Spies
Publisher :
ISBN 13 : 9781877354762
Total Pages : 90 pages
Book Rating : 4.3/5 (547 download)
Download or read book Notes and Recommendations on Taxonomy and Nomenclature of Chironomidae (Diptera) written by Martin Spies and published by . This book was released on 2004-01-01 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Russell Malloch
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.A/5 ( download)
Download or read book Some Additional Records of Chironomidae for Illinois and Notes on Other Illinois Diptera written by John Russell Malloch and published by . This book was released on 1915 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chironomidae of the Southeastern United States written by and published by . This book was released on 1990 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William T. Mason
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (319 download)
Download or read book An Introduction to the Identification of Chironomid Larvae written by William T. Mason and published by . This book was released on 1973 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ole A. Sæther
Publisher : Fisheries and Marine Service
ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.:/5 (318 download)
Download or read book Revision of Hydrobaenus, Trissocladius, Zalutschia, Paratrissocladius and Some Related Genera (Diptera, Chironomidae) written by Ole A. Sæther and published by Fisheries and Marine Service. This book was released on 1976 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Patrick L. Hudson
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (112 download)
Download or read book Chironomidae of the southeastern United States written by Patrick L. Hudson and published by . This book was released on 1990 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: We provide a current listing of the species of midges (Diptera:Chironomidae) in the southeastern United States (Alabama, Florida, Georgia, North Carolina, South Carolina, and Tennessee). This checklist should aid in research on this group of insects, which have often proved useful in the assessment of water quality. We document each species distribution and general habitat and provide the best taxonomic reference to facilitate the identification or description of species in that genus. Changes in nomenclature, unique ecological traits, bibliographic sources, or other items of information are summarized in a paragraph on each genus. Regional distribution of the principal subfamilies indicated that the species of Chironominae and Tanypodinae were concentrated in the coastal region, whereas the Orthocladiinae were evenly distributed from the coast to the mountains. Considering the major habitats (lakes, rivers, and streams), Tanypodinae were about evenly distributed; Orthocladiinae were more predominant in streams and Chironominae in lakes.
Author : Charles E. Herdendorf
Publisher :
ISBN 13 : 9780966803495
Total Pages : 448 pages
Book Rating : 4.8/5 (34 download)
Download or read book The Ecology of Old Woman Creek, Ohio written by Charles E. Herdendorf and published by . This book was released on 2004 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive ecological study of a Lake Eric estuary and its watershed, including chapters on geology, soils, climatology, hydrolesy, biology, ecology, archaeology, history, and land use. This book serves as a site profile of the only Nation a Estuarine Research Reserve in the Great Lakes Resion. Over 200 color illustrations.
Author : C.H. Fernando
Publisher : Springer Science & Business Media
ISBN 13 : 9400965451
Total Pages : 511 pages
Book Rating : 4.4/5 (9 download)
Download or read book Ecology and Biogeography in Sri Lanka written by C.H. Fernando and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: When the late Professor Joachim Illies suggested in 1980 that I edit a volume of the Monographiae Biologicae on Sri Lanka, I was glad to accept the challenge. Although I had spent only six years of my research and teaching career in Sri Lanka, I had made personal contact or corresponded with many scientists who had worked in, still work in, or who have studied material from Sri Lanka. The present domicile of the authors of the chapters in this volume shows the wide geographic spread of interest in Sri Lanka, and indicates also the dispersion of Sri Lankan scientists like myself. Sri Lanka has had a relatively long history of indigenous scientific research in the natural sciences. From the early work of Kelaart (1852, Prodromous Fauna Zeylanicae, Ceylon Govt. Press, 250 pp.) to the present time, there has been a more or less sustained research effort in the natural sciences. The Colombo Museum, which celebrated its centenary only a few years ago, and the world famous Peradeniya Botanical Gardens, served as repositories and bases for continued research on the fauna and flora. There are a number of land marks in these studies.
Author : Dean Eddy Winchester
Publisher :
ISBN 13 :
Total Pages : 710 pages
Book Rating : 4.:/5 (321 download)
Download or read book Oil Shale of the Rocky Mountain Region written by Dean Eddy Winchester and published by . This book was released on 1923 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ian W. Croudace
Publisher : Springer
ISBN 13 : 9401798494
Total Pages : 668 pages
Book Rating : 4.4/5 (17 download)
Download or read book Micro-XRF Studies of Sediment Cores written by Ian W. Croudace and published by Springer. This book was released on 2015-07-21 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents papers on the use of micro-XRF core scanners in palaeoenvironmental research. It contains a broad ranging view of instrument capability and points to future developments that will help contribute to higher precision elemental data and faster core analysis. Readers will find a diverse range of research by leading experts that have used micro-XRF core scanners in a wide range of scientific applications. The book includes specific application papers reporting on the use of XRF core scanners in a variety of marine, lacustrine, and pollution studies. In addition, coverage also examines practical aspects of core scanner usage, data optimisation and data calibration and interpretation. In a little over a decade, micro-XRF sediment core scanners have made a substantive contribution to palaeoenvironmental research. Their impact is based on their ability to rapidly, non-destructively and automatically scan sediment cores. Not only do they rapidly provide important proxy data without damaging samples, but they can obtain environmental data at decadal, annual and even sub-annual scales. This volume will help both experienced and new users of these non-destructive core scanners take full advantage of one of the most powerful geochemical screening tools in the environmental scientist's toolbox.
Author : Robert Hunter
Publisher :
ISBN 13 :
Total Pages : 798 pages
Book Rating : 4.E/5 ( download)
Download or read book The Encyclopaedic Dictionary written by Robert Hunter and published by . This book was released on 1903 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 784 pages
Book Rating : 4.:/5 ( download)
Download or read book Encyclopaedic Dictionary written by and published by . This book was released on 1903 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the Perthshire Society of Natural Science written by and published by . This book was released on 1886 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Claude E. Boyd
Publisher : Springer Science & Business Media
ISBN 13 : 1461517850
Total Pages : 366 pages
Book Rating : 4.4/5 (615 download)
Download or read book Bottom Soils, Sediment, and Pond Aquaculture written by Claude E. Boyd and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquaculture pond managers measure water-quality variables and attempt to maintain them within optimal ranges for shrimp and fish, but surprisingly little attention is paid to pond soil condition. Soil-water interactions can strongly impact water quality, and soil factors should be considered in aquaculture pond management. The importance of soils in pond management will be illustrated with an example from pond fertilization and another from aeration. Pond fertilization may not produce phytoplankton blooms in acidic ponds. Total alkalinity is too low to provide adequate carbon dioxide for photosynthesis, and acidic soils adsorb phosphate added in fertilizer before phytoplankton can use it. Agricultural lime stone application can raise total alkalinity and neutralize soil acidity. The amount of limestone necessary to cause these changes in a pond depends on the base unsaturation and exchange acidity of the bottom soil. Two ponds with the same total alkalinity and soil pH may require vastly different quantities of limestone because they differ in exchange acidity. Aeration enhances dissolved oxygen concentrations in pond water and permits greater feed inputs to enhance fish or shrimp production. As feeding rates are raised, organic matter accumulates in pond soils. In ponds with very high feeding rates, aeration may supply enough dissolved oxygen in the water column for fish or shrimp, but it may be impossible to maintain aerobic conditions in the surface layers of pond soil. Toxic metabolites produced by microorganisms in anaerobic soils may enter the pond water and harm fish or shrimp.
Author : L. Beyer
Publisher : Springer Science & Business Media
ISBN 13 : 364256318X
Total Pages : 435 pages
Book Rating : 4.6/5 (425 download)
Download or read book Geoecology of Antarctic Ice-Free Coastal Landscapes written by L. Beyer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in Antarctica in the past two decades has fundamentally changed our perceptions of the southern continent. This volume describes typical terrestrial environments of the maritime and continental Antarctic. Life and chemical processes are restricted to small ranges of ambient temperature, availability of water and nutrients. This is reflected not only in life processes, but also in those of weathering and pedogenesis. The volume focuses on interactions between plants, animals and soils. It includes aspects of climate change, soil development and biology, as well as above- and below-ground results of interdisciplinary research projects combining data from botany, zoology, microbiology, pedology, and soil ecology.
Author :
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.:/5 (319 download)
Download or read book Tile & Till written by and published by . This book was released on 1915 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
