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Author: P.C.M. Boers Publisher: Springer Science & Business Media ISBN: 9401115982 Category : Science Languages : en Pages : 382
Book Description
This Workshop was organized to assess the status of knowledge on the behaviour of phosphorus in sediments and to define gaps and reassess research strategies, particularly with respect to prevalent methodology and future approach; and to define gaps and reassess research strategies for water management measures in aquatic ecosystems, especially in relation to the release of phosphorus from the sediments and its impact on the functioning of the whole system.
Author: P.C.M. Boers Publisher: Springer Science & Business Media ISBN: 9401115982 Category : Science Languages : en Pages : 382
Book Description
This Workshop was organized to assess the status of knowledge on the behaviour of phosphorus in sediments and to define gaps and reassess research strategies, particularly with respect to prevalent methodology and future approach; and to define gaps and reassess research strategies for water management measures in aquatic ecosystems, especially in relation to the release of phosphorus from the sediments and its impact on the functioning of the whole system.
Author: Rattan Lal Publisher: CRC Press ISBN: 1482257858 Category : Nature Languages : en Pages : 351
Book Description
Phosphorus is an essential plant nutrient, but global population growth has dramatically reduced the availability of phosphorus fertilizer resources. Despite this scarcity, there remain numerous problems associated with the excessive and inappropriate use of phosphorus leading to non-point source pollution and eutrophication of natural waters. Identifying appropriate systems for managing soil phosphorus and reducing the risks of eutrophication are needed to minimize the environmental risks. This book focuses on the availability and recycling of phosphorus; regulatory and policy issues of sustainable phosphorus use; and water quality management in agroecosystems pertaining to phosphorus. Sections are dedicated to global phosphorus reserves; cycling and pathways of phosphorus; phosphorus in agriculture; human dimensions and policy intervention; and research and development priorities. Phosphorus is a finite but crucial resource and is an essential element to all life. Sub-optimal availability and nutrient imbalance in the root zone can adversely impact plant growth, and the quality of food and feed grown on these soils. However, the proven reserves of phosphorus can hardly be adequate for a few centuries only. Yet, its misuse and mismanagement has caused severe problems of eutrophication of water and pollution of the environment. Thus, judicious management of soil phosphorus is essential. This volume is specifically devoted to availability and recycling of phosphorus, regulatory/policy issues of sustainable use of phosphorus, and management in agroecosystems in the context of maximizing the use efficiency and minimizing the environmental risks of water quality.
Author: Cait Storr Publisher: Cambridge University Press ISBN: 1108579981 Category : Law Languages : en Pages : 321
Book Description
Nauru is often figured as an anomaly in the international order. This book offers a new account of Nauru's imperial history and examines its significance to the histories of international law. Drawing on theories of jurisdiction and bureaucracy, it reconstructs four shifts in Nauru's status – from German protectorate, to League of Nations C Mandate, to UN Trust Territory, to sovereign state – as a means of redescribing the transition from the nineteenth century imperial order to the twentieth century state system. The book argues that as international status shifts, imperial form accretes: as Nauru's status shifted, what occurred at the local level was a gradual process of bureaucratisation. Two conclusions emerge from this argument. The first is that imperial administration in Nauru produced the Republic's post-independence 'failures'. The second is that international recognition of sovereign status is best understood as marking a beginning, not an end, of the process of decolonisation.
Author: Neloy Khare Publisher: Elsevier ISBN: 0323995209 Category : Science Languages : en Pages : 576
Book Description
The Role of Tropics in Climate Change: Global Case Studies uses a 20-chapter, easy-to-understand format to centralize the practical application ideas for functional metagenomics. This important resource not only includes chapters on next-generation sequencing technologies to study important biogeochemical cycles, degradation pathways and detoxification, but also gives insight into several tools that have been developed to integrate metadata and sequence data, allowing downstream comparative analyses of different datasets using several ecological indices. The book further explains newly developed techniques for sequencing DNA, generating shorter fragments than Sanger sequencing techniques to quickly read larger sequences in a shorter amount of time. Provides a wealth of information to readers on state-of-the-art applications of metagenomics Summarizes our current knowledge of the use of metagenomics and gives a novel and powerful insight into the already existing bioremediation process Gives an overall picture of metagenomics and its application, processes, and future prospects in the field of bioremediation
Author: Lars Håkanson Publisher: Springer Science & Business Media ISBN: 0792362454 Category : Mathematics Languages : en Pages : 221
Book Description
During the last 10 years, there has been a `revolution' in ecosystem modelling. The generality and predictive power of our models have increased in a way that was inconceivable 10 years ago. This book describes a new generation of practically useful models that predict as well as one can measure - if one measures well. And yet, they are driven by readily available driving variables and have a general structure that applies to most types of pollutants in aquatic systems. The major reason for this development is, in fact, the Chernobyl accident. Large quantities of radiocesium were released in April/May 1986 as a pulse. To follow the pulse of radiocesium through ecosystem pathways has meant that important fluxes and mechanisms, i.e., ecosystem structures, have been revealed. It is important to stress that many of these new structures and equations are valid not just for radiocesium, but for most types of contaminants, e.g. for metals, nutrients and organics. This means that the models, methods (of building and testing models) and equations described in this book for lakes and coastal areas should be of great interest also to other ecosystem modellers. This book will be of considerable interest to: students in radioecology, geosciences and biology; environmental engineers; consultants; administrators and scientists interested in the spread, biouptake and ecosystem effects of chemical pollutants in aquatic ecosystems.
Author: Tate Kevin Russel Publisher: World Scientific ISBN: 1786341328 Category : Technology & Engineering Languages : en Pages : 348
Book Description
Microbial Biomass informs readers of the ongoing global revolution in understanding soil and ecosystem microbial processes. The first paper on the subject was written by David Jenkinson in 1966, and here new insights and expansions are given on the fascinating world of soil microbial processes. In terms of contemporary issues, it also serves to support urgent efforts to sustainably manage land to feed a growing world population without compromising the environment. It presents new methods of investigation which are leading to more sustainable management of ecosystems, and improved understanding of ecosystem changes in an increasingly warmer world. The book approaches the topic by looking at the emergence of our understanding of soil biological processes, and begins by tracing the conception and first measurement of soil microbial biomass. Following this, changes in ecosystems, and in natural ecosystem processes are discussed in relation to land management issues and global change. Microbial biomass and its diversity are recognized as key factors in finding solutions for more sustainable land and ecosystem management, aided by new molecular and other tools. Information from the use of these tools is now being incorporated into emerging microbial-explicit predictive models, to help us study changes in earth system processes. Perfect for use in research and practice, this book is written for undergraduate and graduate students, researchers and professionals of agronomy, chemistry, geology, physical geography, ecology, biology, microbiology, silviculture and soil science.
Author: Harold W. Walker Publisher: CRC Press ISBN: 1466583053 Category : Science Languages : en Pages : 178
Book Description
Harmful algal blooms (HABs) occurring in freshwater, and the associated toxins they produce, are dangerous to animals and humans. Mitigating the increasing presence of HABs presents a major challenge to water managers and drinking water utilities across the world. This book explores the current research on removal of HABs and toxins from drinking water. It provides the necessary tools so that treatment plant operators, engineers, and water managers can understand the vulnerability of drinking water treatment plants to HABs and develop treatment processes to minimize the impact of these contaminants. Although conventional treatment processes can be effective for the removal of HAB cells and some HAB toxins under optimal conditions, the potential exists for significant breakthrough of toxins during normal operation. As a result, there is a recognized need for more advanced techniques. Possible advanced processes for removing HAB toxins include granular activated carbon (GAC), powdered activated carbon (PAC), or oxidative processes. This book reviews both conventional and advanced treatment processes and presents clear and easy-to-understand procedures for the design of systems for optimal cell or toxin removal.
Author: P.C.M. Boers
Author: P.C.M. Boers
Author: Valentin Golosov
Author: Rattan Lal
Author: Cait Storr
Author: Neloy Khare
Author: Lars Håkanson
Author: 
Author: Tate Kevin Russel
Author: Harold W. Walker
Author: