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Assessing Respiration Rates And Nutrient Dynamics Of Artificial Reef Biofilms And Bacterioplankton In The Mississippi Sound
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Book Synopsis Assessing Respiration Rates and Nutrient Dynamics of Artificial Reef Biofilms and Bacterioplankton in the Mississippi Sound by : Lynn Elizabeth Wilking
Download or read book Assessing Respiration Rates and Nutrient Dynamics of Artificial Reef Biofilms and Bacterioplankton in the Mississippi Sound written by Lynn Elizabeth Wilking and published by . This book was released on 2013 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Net Productivity on Artificial Reefs in the Mississippi Sound Estimated from Settlement Plate Measurements by : Viviana Mazzei
Download or read book Net Productivity on Artificial Reefs in the Mississippi Sound Estimated from Settlement Plate Measurements written by Viviana Mazzei and published by . This book was released on 2013 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural and Artificial Reefs in Mississippi Coastal Waters by : Donnie L. Daniel
Download or read book Natural and Artificial Reefs in Mississippi Coastal Waters written by Donnie L. Daniel and published by . This book was released on 1975 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Community Structure and Production of the Macrobenthos on Four Artificial Reefs in the Mississippi Sound in Relation to Substrate and Profile Type by : Patrick Daniel Gillam
Download or read book Community Structure and Production of the Macrobenthos on Four Artificial Reefs in the Mississippi Sound in Relation to Substrate and Profile Type written by Patrick Daniel Gillam and published by . This book was released on 2016 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the Mississippi Department of Marine Resources (DMR) has made a concerted effort to enhance its coastal fishery resources by creating artificial reefs. Through this effort, 73 nearshore reefs have been created across the MS coast. Different substrate types used to construct MS artificial reefs include oyster shell and cement rubble. Two types of reef architecture used include high profile breakwater and low profile submerged structures. This study compared the benthic biota associated with oyster shell and cement rubble substrates among four artificial reefs representing high and low profile structures in summer 2011. Colonized benthic biota were quantified from four pairs of substrate baskets containing oyster shell or cement rubble that were submersed for six weeks at each reef. Split-plot ANOVA between substrate type (within-subject) and profile type (between-subject) for several functional metrics, including production potential, showed no significant differences. However, species-specific split-plot ANOVAs, unveiled several individual taxa had significantly different production and/or biomass between profile types and/or substrate types not apparent in the cumulative tests. Although some taxa failed the homogeneity of variance assumption, paired substrates for those taxa were pooled and tested using a one-way ANOVA interpreted using Welch's test. This test unveiled several taxa having significant differences in biomass and production between profiles. MDS plots illustrate differences in ordination space among substrate types and profile types. PERMANOVA found significant differences in community similarity between high and low profile structures. SIMPER further disclosed how the abundances of multiple taxa drove dissimilarity values between reef profile types and substrates. --Page ii.
Book Synopsis Resident Benthic Fishes of Artificial Reefs in the Mississippi Sound by : Claire Louise Matten
Download or read book Resident Benthic Fishes of Artificial Reefs in the Mississippi Sound written by Claire Louise Matten and published by . This book was released on 2014 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Survey and Assessment of Reef Shell Resources in Mississippi Sound by : William J. Demoran
Download or read book A Survey and Assessment of Reef Shell Resources in Mississippi Sound written by William J. Demoran and published by . This book was released on 1979 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bacterioplankton Production in the Western Mississippi Sound and the Role of Photosynthetic Extracellular Release as a Driver of Bacterial Production by : Amy Michele Glover
Download or read book Bacterioplankton Production in the Western Mississippi Sound and the Role of Photosynthetic Extracellular Release as a Driver of Bacterial Production written by Amy Michele Glover and published by . This book was released on 2012 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Primary Production, Nutrient Fluxes, and Rates of Succession Following the Deployment of an Artificial Reef System in the Northeast Gulf of Mexico by : Kendra Kate Brooks
Download or read book Changes in Primary Production, Nutrient Fluxes, and Rates of Succession Following the Deployment of an Artificial Reef System in the Northeast Gulf of Mexico written by Kendra Kate Brooks and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: The use of artificial reef systems has grown rapidly in the United States since the mid 1900s in both freshwater and marine habitats. However, whether these artificial systems accomplish their proposed goal to provide value to marine life and humans alike remains widely controversial. Few studies have examined the benefits of primary producers and the resulting changes in biogeochemistry that may influence the surrounding water column. Nutrients such as nitrogen and phosphorous in the water column and sediment serve as important fuel for primary producers which partially drive reef success. In this study, I examined the organisms and their rate of colonization on an artificial reef on the shallow Florida shelf in the Northeast Gulf of Mexico during its introductory year. I measured primary production, respiration, and nutrient fluxes of reef materials in a controlled laboratory setting, examining temporal as well as spatial trends and variability. I observed temporal differences in biomass and chlorophyll a production due to changes in in situ conditions. Benthic invertebrate biomass was greater than micro- or macroalgal biomass. I determined the reef was net heterotrophic with few differences between oxygen or nutrient fluxes in the light and dark. Exponential growth of benthic invertebrate community occurred during the first five months of this study and leveled off during the remaining five months. Microbial activity was significant, particularly nitrification during the second half of the study.
Book Synopsis Nitrogen Cycling on Coral Reefs: a Stable Isotopic Investigation of Nutrient Dynamics Within the Florida Keys Coral Reef Tract by : Kathryn Amanda Lamb-Wozniak
Download or read book Nitrogen Cycling on Coral Reefs: a Stable Isotopic Investigation of Nutrient Dynamics Within the Florida Keys Coral Reef Tract written by Kathryn Amanda Lamb-Wozniak and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation serves as a comprehensive, natural-abundance analysis of the present-day spatial and temporal dynamics and trophic linkages of nitrogen from within the Florida Keys National Marine Sanctuary (FKNMS). This work was accomplished by documenting the delta 15 N of particulate organic matter (POM), several genera of aquatic vegetation and herbivorous fish, as well as dissolved water column nitrogen. Seasonal and spatial variations in delta 15 N were assessed, trophic level variations among reef constituents were quantified, and relative contributions of both natural and anthropogenic nitrogen into the reef tract were determined. The measured mean delta 15 N of POM (3.64 per mil), aquatic vegetation (Dictyota = 2.39 per mil; Thalassia = 1.91 per mil; Rhizophora mangle = 1.46 per mil; Halimeda = 1.62 per mil; sponges = 4.13 per mil; turf algae = 2.67 per mil), herbivorous fish (4.92 to 8.47 per mil), as well as the delta 15 N and delta 18 O of nitrate (4.40 and 20.36 per mil, respectively) suggest that the primary nutrient sources directly impacting the reef are from natural sources, principally nitrogen fixation, and not anthropogenic wastes. Clear trophic linkages, without evidence of disturbances from anthropogenic wastes, are apparent in this study; herbivorous fishes show distinct 3 to 4 per mil enrichments over their food source. The presence of anthropogenic wastes was detected in the delta 15 N and delta 18 O of nitrate from Key Largo canal waters (10.09 per mil), however, sewage derived nutrients did not exist in any measurable or detectable amount outside the canals. Additionally, an assessment of the total yearly nitrogen contributions to the FKNMS was conducted, demonstrating that nitrogen fixation was the largest contributor of nitrogen to the ecosystem, delivering approximately 43 percent of all nitrogen. Anthropogenic wastes, however, contributed only about 8 percent to the total nitrogen budget, far less than biotic (non-human) wastes (13 percent), upwelling (10 percent), and gyre waters from the Gulf of Mexico (9 percent). For the first time, a long term, spatially diverse investigation has presented a more complete depiction of delta 15 N composition of various reef components found in the FKNMS, critical and imperative for accurately assessing nutrient pressures on coral reefs. As such, the data presented in this study do not support the theory that continuous anthropogenic nutrient loading from nearshore populations is the sole cause of reef decline in the FKNMS.
Book Synopsis Groundwater-Surface Water Interactions by : Habil. Jörg Lewandowski
Download or read book Groundwater-Surface Water Interactions written by Habil. Jörg Lewandowski and published by MDPI. This book was released on 2020-12-10 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen a paradigm shift in our understanding of groundwater–surface water interactions: surface water and aquifers were long considered discrete, separate entities; they are now understood as integral components of a surface–subsurface continuum. This book provides an overview of current research advances and innovative approaches in groundwater–surface water interactions. The 20 research articles and 1 communication cover a wide range of thematic scopes, scales, and experimental and modelling methods across different disciplines (hydrology, aquatic ecology, biogeochemistry, and environmental pollution). The book identifies current knowledge gaps and reveals the challenges in establishing standardized measurement, observation, and assessment approaches. It includes current hot topcis with environmental and societal relevance such as eutrophication, retention of legacy, and emerging pollutants (e.g., pharmaceuticals and microplastics), urban water interfaces, and climate change impacts. The book demonstrates the relevance of processes at groundwater–surface water interfaces for (1) regional water balances and (2) quality and quantity of drinking water resources. As such, this book represents the long-awaited transfer of the above-mentioned paradigm shift in understanding of groundwater–surface water interactions from science to practice.
Book Synopsis Interactions of C, N, P and S Biogeochemical Cycles and Global Change by : Roland Wollast
Download or read book Interactions of C, N, P and S Biogeochemical Cycles and Global Change written by Roland Wollast and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a natural extension of the SCOPE (Scientific Committee of Problems on the Environment) volumes on the carbon (C), nitrogen (N), phosphorus (P) and sulfur (S) biogeochemical cycles and their interactions (Likens, 1981; Bolin and Cook, 1983). Substantial progress in the knowledge of these cycles has been made since publication of those volumes. In particular, the nature and extent of biological and inorganic interactions between these cycles have been identified, positive and negative feedbacks recognized and the relationship between the cycles and global environmental change preliminarily elucidated. In March 1991, a NATO Advanced Research Workshop was held for one week in Melreux, Belgium to reexamine the biogeochemical cycles of C, N, P and S on a variety of time and space scales from a holistic point of view. This book is the result of that workshop. The biogeochemical cycles of C, N, P and S are intimately tied to each other through biological productivity and subsequently to problems of global environmental change. These problems may be the most challenging facing humanity in the 21 st century. In the broadest sense, "global change" encompasses both changes to the status of the large, globally connected atmospheric, oceanic and terrestrial environments (e. g. tropospheric temperature increase) and change occurring as the result of nearly simultaneous local changes in many regions of the world (e. g. eutrophication).
Book Synopsis Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities by : Thomas M. Missimer
Download or read book Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities written by Thomas M. Missimer and published by Springer. This book was released on 2015-04-07 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book assembles the latest research on new design techniques in water supplies using desalinated seawater. The authors examine the diverse issues related to the intakes and outfalls of these facilities. They clarify how and why these key components of the facilities impact the cost of operation and subsequently the cost of water supplied to the consumers. The book consists of contributed articles from a number of experts in the field who presented their findings at the "Desalination Intakes and Outfalls" workshop held at King Abdullah University of Science and Technology (KAUST) in Saudi Arabia in October, 2013. The book integrates coverage relevant to a wide variety of researchers and professionals in the general fields of environmental engineering and sustainable development.
Book Synopsis Ecological Effects of Water-level Fluctuations in Lakes by : Karl M. Wantzen
Download or read book Ecological Effects of Water-level Fluctuations in Lakes written by Karl M. Wantzen and published by Springer Science & Business Media. This book was released on 2009-05-06 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments. This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.
Download or read book Periphyton written by Yonghong Wu and published by Elsevier. This book was released on 2016-08-29 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periphyton: Functions and Application in Environmental Remediation presents a systematic overview of a wide variety of periphyton functions and applications in environmental remediation, providing readers with an understanding of the biological/ecological features of periphyton, the methodology of their study, and their application in environmental conservation. With increases in environmental stress, anthropogenic impacts, and the global decline in biodiversity, there is a pressing need for methods to assess and improve environmental quality that are rapid, reliable, and cost-effective. Periphyton is an important component of benthic communities and plays a crucial role in the functioning of microbial food webs. Because of a number of advantages, such as a short lifecycle, relative immobility, more rapid responses to environmental stress and anthropogenic impact than any metazoa, ease of sampling, availability of taxonomic/molecular identification, and standardized methodologies for temporal/spatial comparisons, there has, in recent decades, been an increased interest in periphyton as a tool in biological conservation in aquatic ecosystems. Presents case studies that help readers implement similar ecological designs Focuses on the function of periphyton in remediating destructed ecosystems Provides readers with an understanding of periphyton in practice, especially the value of periphyton in enhancing environmental and ecosystem qualities Discusses the role of periphyton in purifying water and its effect on abiotic elements
Book Synopsis Environmental Microbiology of Aquatic and Waste Systems by : Nduka Okafor
Download or read book Environmental Microbiology of Aquatic and Waste Systems written by Nduka Okafor and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book places the main actors in environmental microbiology, namely the microorganisms, on center stage. Using the modern approach of 16S ribosomal RNA, the book looks at the taxonomy of marine and freshwater bacteria, fungi, protozoa, algae, viruses, and the smaller aquatic animals such as nematodes and rotifers, as well as at the study of unculturable aquatic microorganisms (metagenomics). The peculiarities of water as an environment for microbial growth, and the influence of aquatic microorganisms on global climate and global recycling of nitrogen and sulphur are also examined. The pollution of water is explored in the context of self-purification of natural waters. Modern municipal water purification and disease transmission through water are discussed. Alternative methods for solid waste disposal are related to the economic capability of a society. Viruses are given special attention. By focusing on the basics, this primer will appeal across a wide range of disciplines.
Book Synopsis Comparative Ecology of Microorganisms and Macroorganisms by : John H. Andrews
Download or read book Comparative Ecology of Microorganisms and Macroorganisms written by John H. Andrews and published by Springer. This book was released on 2017-06-27 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition textbook offers an expanded conceptual synthesis of microbial ecology with plant and animal ecology. Drawing on examples from the biology of microorganisms and macroorganisms, this textbook provides a much-needed interdisciplinary approach to ecology. The focus is the individual organism and comparisons are made along six axes: genetic variation, nutritional mode, size, growth, life cycle, and influence of the environment. When it was published in 1991, the first edition of Comparative Ecology of Microorganisms and Macroorganisms was unique in its attempt to clearly compare fundamental ecology across the gamut of size. The explosion of molecular biology and the application of its techniques to microbiology and organismal biology have particularly demonstrated the need for interdisciplinary understanding. This updated and expanded edition remains unique. It treats the same topics at greater depth and includes an exhaustive compilation of both the most recent relevant literature in microbial ecology and plant/animal ecology, as well as the early research papers that shaped the concepts and theories discussed. Among the completely updated topics in the book are phylogenetic systematics, search algorithms and optimal foraging theory, comparative metabolism, the origins of life and evolution of multicellularity, and the evolution of life cycles. From Reviews of the First Edition: "John Andrews has succeeded admirably in building a bridge that is accessible to all ecologists." -Ecology "I recommend this book to all ecologists. It is a thoughtful attempt to integrate ideas from, and develop common themes for, two fields of ecology that should not have become fragmented." -American Scientist "Such a synthesis is long past due, and it is shameful that ecologists (both big and little) have been so parochial." -The Quarterly Review of Biology
Download or read book Evaporites written by John K. Warren and published by Springer. This book was released on 2016-05-18 with total page 1822 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monograph offers a comprehensive discussion of the role of evaporites in hydrocarbon generation and trapping, and new information on low temperature and high temperature ores. It also provides a wealth of information on exploitable salts, in a comprehensive volume has been assembled and organized to provide quick access to relevant information on all matters related to evaporites and associated brines. In addition, there are summaries of evaporite karst hazards, exploitative methods and problems that can arise in dealing with evaporites in conventional and solution mining. This second edition has been revised and extended, with three new chapters focusing on ore minerals in different temperature settings and a chapter on meta-evaporites. Written by a field specialist in research and exploration, the book presents a comprehensive overview of the realms of low- and high-temperature evaporite evolution. It is aimed at earth science professionals, sedimentologists, oil and gas explorers, mining geologists as well as environmental geologists.
