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Book U S Geological Survey Professional Paper

Download or read book U S Geological Survey Professional Paper written by Oddur Sigurðsson and published by . This book was released on 1984 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Phytoplankton and Periphyton Community Dynamics in the Kissimmee River Basin

Download or read book Phytoplankton and Periphyton Community Dynamics in the Kissimmee River Basin written by C. A. Biederman and published by . This book was released on 1979 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Baseline studies of phytoplankton and periphyton community structure and dynamics were conducted ... in the Kissimmee River Valley, Florida."--p. 1.

Book Ecosystem modeling analysis of size structured phytoplankton dynamics in the York River estuary Virginia USA I Development of a plankton ecosystem model with explicit feedback controls and hydrodynamics

Download or read book Ecosystem modeling analysis of size structured phytoplankton dynamics in the York River estuary Virginia USA I Development of a plankton ecosystem model with explicit feedback controls and hydrodynamics written by Y. SIN and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Phytoplankton Community Structure in Tampa Bay Florida U S A

Download or read book Phytoplankton Community Structure in Tampa Bay Florida U S A written by Susan Badylak and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Observations from this study support the objectives that sub basins within the bay maintain different phytoplankton groups and biomass potential and current observations showed differences from historical accounts.

Book Modeling Plankton Community Structure Under Environmental Forcing on the Southeastern U S Contintental Shelf

Download or read book Modeling Plankton Community Structure Under Environmental Forcing on the Southeastern U S Contintental Shelf written by Andrew Glenn Edward Haskell and published by . This book was released on 1997 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: A system of coupled ordinary differential equations was developed to investigate the time-dependent behavior of phytoplankton, copepod, and doliolid populations associated with upwelling features on the outer southeastern U.S. continental shelf.

Book Phytoplankton Ecology and Dynamics in the James River Estuary

Download or read book Phytoplankton Ecology and Dynamics in the James River Estuary written by Margaret J. Filardo and published by . This book was released on 1984 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Diversity and Distribution of Phytoplankton Community Structure Vis a Vis Chlorophyll Pigments in True Estuarine Ecosystem

Download or read book Diversity and Distribution of Phytoplankton Community Structure Vis a Vis Chlorophyll Pigments in True Estuarine Ecosystem written by A. Silambarasan and published by Independent Author. This book was released on 2023-02-24 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book titled "Diversity and Distribution of Phytoplankton Community Structure Vis a Vis Chlorophyll Pigments in True Estuarine Ecosystem" authored by A. Silambarasan presents a comprehensive study of phytoplankton diversity and community structure in estuarine ecosystems. The book explores the relationship between chlorophyll pigments and phytoplankton assemblages, and how they impact the ecological balance of estuarine systems. The author conducted an extensive survey of phytoplankton and chlorophyll pigments in three different estuaries, and the data collected was analyzed to evaluate the diversity, distribution, and abundance of phytoplankton species. The book highlights the significance of phytoplankton as a key component of aquatic ecosystems and their impact on the food chain. It also sheds light on the various factors affecting the distribution of phytoplankton, including temperature, salinity, and nutrient availability. The book also discusses the ecological implications of changing phytoplankton populations and the impact on the ecosystem and biodiversity. Overall, the book is a valuable resource for students, researchers, and environmentalists who are interested in understanding the dynamics of estuarine ecosystems and the role of phytoplankton in maintaining the ecological balance.

Book Selected Water Resources Abstracts

Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1988 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Phytoplankton Community Structure and Dynamics Within a Buoyant River Plume

Download or read book Phytoplankton Community Structure and Dynamics Within a Buoyant River Plume written by Jennifer Yost and published by . This book was released on 2007 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: A characterization of the Hudson River phytoplankton community in an evolving plume using size fractionated pigment analysis and microscopic identification and enumeration. Cell morphology, physiological response of the community to the environmental gradients present in the plume, and the fate of important taxonomic groups and specific size classes are examined. This effort is part of the Lagrangian Transport and Transformation Experiment (LaTTE), designed to distinguish between physical processes that transport chemical contaminants within the plume and chemical and biological processes that transform the contaminants.

Book Phytoplankton Dynamics in a Seasonal Estuary

Download or read book Phytoplankton Dynamics in a Seasonal Estuary written by Terence Chan and published by . This book was released on 2006 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: [Truncated abstract] The Swan River is a highly seasonal estuary in the south-west of Western Australia. Salinity may vary from fresh to marine at various times throughout the estuary, depending mostly on the intensity of freshwater discharge. There are occasional problematic dinoflagellate blooms which have spurred investigation of the dynamics of the phytoplankton community. The objective of this research was to examine how phytoplankton biomass and species' successions are influenced by the multiple variables in the aquatic ecosystem, and, if possible, to determine the dominant factors ... Comparisons of phytoplankton nutrient limitation simulations with experimental observations from field bioassays require further investigation, but reinforce findings that nutrients may only limit phytoplankton biomass when there is a convergence of favourable hydrological and hydrodynamic conditions. The Swan River estuary has undergone substantial hydrological modifications from pre-European settlement. Land clearing has increased freshwater discharge up to 5- fold, while weirs and reservoirs for water supply have mitigated this increase and reduced the duration of discharge to the estuary. Nutrient loads have increased approximately 20-fold from pre-European levels. The individual and collective impacts of these hydrological changes on the Swan River estuary were examined using the hydrodynamic-ecological numerical model. The simulation results indicate that despite increased hydraulic flushing and reduced residence times, increases in nutrient loads are the dominant perturbation, producing increases in the frequency and biomass of blooms by both estuarine and freshwater phytoplankton. By comparison, changes in salinity associated with altered seasonal freshwater discharge have a limited impact on phytoplankton dynamics. Reductions of nutrient inputs into the Swan River estuary from its catchment will provide a long-term improvement in water quality but manipulations of freshwater discharge have the potential to provide a provisional short-term remediation measure allowing at least partial control of phytoplankton bloom potential and eutrophication.

Book Eutrophic Status of Narmada and Tapi Tropical Estuaries of Gujarat India

Download or read book Eutrophic Status of Narmada and Tapi Tropical Estuaries of Gujarat India written by Prof. Dr. Nirmal Kumar, J.I. and published by Prof. Dr. Nirmal Kumar, J.I.. This book was released on with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estuaries are among the most complex and complicated ecosystems in the biosphere because they are at the interface of terrestrial, freshwater, and marine systems. Estuaries and the lands surrounding them are places of transition from land to sea and from fresh to salt water. Although influenced by the tides, estuaries are protected from the full force of ocean waves, winds, and storms by the reefs, barrier island or fingers of land, mud or sand that define an estuary's seaward boundary. In India, estuaries have been a focal point of activities for human settlement, for development of port and harbors. The health status and the biological diversity of the Indian estuarine ecosystem are deteriorating day-by-day through man-made activities and dumping of enormous quantities of sewage and industrial effluent. Estuaries are ecologically very important because it provides vital habitats for thousands of marine species. They are "nurseries of the sea", as it is an ideal location for fish, shellfish, and other marine animals to reproduce in protected environment and availability of abundant food. Besides, estuaries are important for the health of the oceans as it can filter sediment and pollutants from the water before it flows into the oceans. Estuaries are vulnerable to excessive loading of nutrients by runoff containing fertilizer and other pollutants. In recent decades, population growth and related activities (agricultural practices, wastewater treatment plants, urban run-off, and the burning of fossil fuels) have increased nutrient inputs by many folds than the levels that occur naturally. The present book Eutrophic Status of Narmada and Tapi Tropical Estuaries of Gujarat, India point-out an intensive study at two major estuaries (Narmada, Tapi) of Gujarat, India. The authors have investigated hydrochemistry, geochemistry, phytoplankton, zooplankton, and benthic community, along with site-specific problems and their suggestions in both the estuarine environs. This book will certainly be a ready reference guide to the students, researchers, academicians, scientists, and riverine and marine authorities of Gujarat and India, to enrich their knowledge in cutting edge of research in the field of estuarine ecology, biodiversity, conservation, restoration, and management.