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Author : Hans Mohr
Publisher :
ISBN 13 : 9783335004172
Total Pages : 688 pages
Book Rating : 4.0/5 (41 download)
Download or read book The Terrestrial Nitrogen Cycle as Influenced by Man written by Hans Mohr and published by . This book was released on 1994 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans Mohr
Publisher :
ISBN 13 : 9783335004172
Total Pages : 462 pages
Book Rating : 4.0/5 (41 download)
Download or read book The Terrestrial Nitrogen Cycle as Influenced by Man written by Hans Mohr and published by . This book was released on 1994-01 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francis Eugene Clark
Publisher :
ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.:/5 (318 download)
Download or read book Terrestrial Nitrogen Cycles written by Francis Eugene Clark and published by . This book was released on 1981 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Janet I. Sprent
Publisher : Cambridge University Press
ISBN 13 : 9780521310529
Total Pages : 164 pages
Book Rating : 4.3/5 (15 download)
Download or read book The Ecology of the Nitrogen Cycle written by Janet I. Sprent and published by Cambridge University Press. This book was released on 1987-12-10 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many people learn the rudiments of the nitrogen cycle while at school, but the details of the various processes in the cycle are still not widely understood. Some of them are of great current interest, such as the use of nitrogen fixing crops to feed an increasing world population and the problems of pollution of groundwaters by nitrates. Denitrification (forming nitrogen gas) as a way of getting rid of waste from human and intensively farmed animals. This book describes the general processes of the nitrogen cycle, then gives examples of how the cycle is modified under particular ecological and geographical conditions. These examples are drawn from all the major areas of the world, and the impact of man via agriculture, forestry and fuel combustion is discussed. Numerous references are included. The book provides a background for all those whose specialist interests interact with nitrogen cycling, whether they are involved in research or have responsibility for managing the environment.
Author : Carl O. Tamm
Publisher : Springer Science & Business Media
ISBN 13 : 3642751687
Total Pages : 128 pages
Book Rating : 4.6/5 (427 download)
Download or read book Nitrogen in Terrestrial Ecosystems written by Carl O. Tamm and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen is a key element in ecosystem processes. Aspects of local and global changes in nitrogen in both undisturbed and disturbed conditions are discussed. Environmental changes caused by pollution from nitrogenous compounds and changes in landuse are also described. Organisms, plants, animals and microorganisms are all affecting nitrogen supply. Emphasis is placed on natural and anthropogenic transfer of nitrogen between ecosystems and also on the interaction of nitrogen with other bioelements.
Author : Robert W. Howarth
Publisher : Springer Science & Business Media
ISBN 13 : 9400917767
Total Pages : 300 pages
Book Rating : 4.4/5 (9 download)
Download or read book Nitrogen Cycling in the North Atlantic Ocean and its Watersheds written by Robert W. Howarth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human activity has dramatically altered the global nitrogen cycle in recent decades. These changes are not evenly distributed around the world; rather, they are greatest in regions of significant industrial and agricultural activity, as the synthesis and use of inorganic fertilizers, cultivation of legumes, burning of fossil fuels, and the simple act of concentrating humans and animals in dense populations all lead to the release of excess, reactive forms of nitrogen into the environment. In part because reactive nitrogen is frequently a limiting nutrient in many terrestrial and aquatic systems, an excess can lead to a variety of adverse effects on both environmental and human health. The North Atlantic Ocean and its contributing watersheds constitute a region which has seen perhaps the greatest increase in anthropogenically-derived nitrogen. In May of 1994, the International Scope Nitrogen Project, with funding from the Andrew Mellon Foundation, the United Nations Environment Program, and the World Meteorological Organization, sponsored a workshop held on Block Island, RI, USA, entitled `Nitrogen Dynamics of the North Atlantic Basin'. More than 50 scientists from 12 different countries convened with a unique set of goals: an integrated and comprehensive estimate of the current nitrogen cycle of the ocean, coastal systems, and contributing watersheds of the North Atlantic region; an analysis of human-induced changes to those cycles; and an assessment of the current and future effects of human-induced changes to nitrogen cycling throughout the globe.
Author : Elizabeth W. Boyer
Publisher : Springer Science & Business Media
ISBN 13 : 9401734054
Total Pages : 520 pages
Book Rating : 4.4/5 (17 download)
Download or read book The Nitrogen Cycle at Regional to Global Scales written by Elizabeth W. Boyer and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue is the final report from the International SCOPE Project on Nitrogen Transport and Transformations: A Regional and Global Analysis. SCOPE (the Scientific Committee on Problems of the Environment, ICSU) authorized the Nitrogen Project as an 8-year effort between 1994 and 2002 because of the need to better understand how humans have altered nitrogen cyc1ing globally and at the scale of large regions. Human activity has more than doubled the rate of formation of reactive nitrogen on the land surface of the earth, and the nitrogen cyc1e continues to accelerate. The distribution of this reactive nitrogen is not uniform, though, and some regions such as Europe and Asia have seen massive increases in reactive nitrogen, while other regions have seen little change. The SCOPE Nitrogen Project has synthesized detailed information on the nature of the human alteration of the nitrogen cyc1e through aseries of workshops over the past 8 years. These cumulatively have involved over 250 of previous workshops scientists from over 20 different nations. The results have been published in aseries of special journal issues and reports that synthesize information on nitrogen in the North Atlantic Ocean and its water sheds (Howarth 1996), nitrogen cycling in Asia (Hong-Chi Lin et al. 1996; Mosier et al.
Author : Alan R. Townsend
Publisher : Springer Science & Business Media
ISBN 13 : 9401146454
Total Pages : 295 pages
Book Rating : 4.4/5 (11 download)
Download or read book New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas written by Alan R. Townsend and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inputs of nitrogen to terrestrial and aquatic ecosystems have increased several-fold over the last one hundred and fifty years, with the steepest increases during the last four decades. The expansion of fertilizer manu facture and use, the increase in fossil fuel combustion, the intensification of animal husbandry, and widespread cultivation of N2 fixing crops have all contributed to the dramatic increase in N inputs. The increase has been most rapid in Northern Hemisphere (NH) temperate ecosystems, but presently subtropical and tropical regions of Asia are also experiencing an explosive increase in N inputs to terrestrial ecosystems (W. Chameides, pers. comm. ; Galloway et al. 1996). Projected increases in N deposition for these trop ical and subtropical regions, with a high natural background of N inputs, exceed increases projected for temperate and arctic regions (Cleveland et al. submitted; Galloway et al. 1994; Holland & Lamarque 1997a). Compared to biological N fixation, N deposition is becoming a proportionately greater source of N to terrestrial and aquatic ecosystems worldwide (Vitousek et al. 1997). 6 The nitrogen contained in the atmosphere as N , 3. 9 * 10 Tg (Tg = 2 12 10 g), is the largest reservoir of N in the Earth system (Warneck 1988). However, this paper focuses on the nitrogen emissions and deposition that have been transformed from N2 into reactive forms that are biologically avail able (e. g. Vitousek et al. 1997).
Author : G. Philip Robertson
Publisher : Springer Science & Business Media
ISBN 13 : 9400976399
Total Pages : 414 pages
Book Rating : 4.4/5 (9 download)
Download or read book Nitrogen Cycling in Ecosystems of Latin America and the Caribbean written by G. Philip Robertson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: The large and rapidly expanding body ofliterature related to nitrogen cycling in both managed and native terrestrial ecosystems reflects the importance accorded to the behaviour of this vital and often limiting nutrient. Research at the organism, ecosystem and landscape levels commonly addresses questions concerning nitrogen acquisition, internal cycling and retention. Goals for this research include increased agricultural productivity and a better understanding of human impact on local, regional and global nitrogen cycles. Nitrogen cycle research in tropical regions has a long and distinguished history. Research on different aspects of nitrogen cycling in ecosystems of the tropics has been carried out in many regions. In relatively few instances has there, however, been a focus on the biogeochemical cycles at the ecosystem level. The meeting resulting in this volume was an attempt to bring together existing information on nitrogen cycling in ecosystems of Latin America and the Caribbean and discuss this in an ecosystem context.
Author : Trelita de Sousa
Publisher : Cambridge Scholars Publishing
ISBN 13 : 152755676X
Total Pages : 478 pages
Book Rating : 4.5/5 (275 download)
Download or read book Global Implications of the Nitrogen Cycle written by Trelita de Sousa and published by Cambridge Scholars Publishing. This book was released on 2020-07-16 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen constitutes 78% of the Earth’s atmosphere and inevitably occupies a predominant role in marine and terrestrial nutrient biogeochemistry and the global climate. Callous human activities, like the excessive industrial nitrogen fixation and the incessant burning of fossil fuels, have caused a massive acceleration of the nitrogen cycle, which has, in turn, led to an increasing trend in eutrophication, smog formation, acid rain, and emission of nitrous oxide, which is a potent greenhouse gas, 300 times more powerful in warming the Earth’s atmosphere than carbon dioxide. This book comprehensively reviews the biotransformation of nitrogen, its ecological significance and the consequences of human interference. It will appeal to environmentalists, ecologists, marine biologists, and microbiologists worldwide, and will serve as a valuable guide to graduates, post-graduates, research scholars, scientists, and professors.
Author : Mark A. Sutton
Publisher : Cambridge University Press
ISBN 13 : 1139501372
Total Pages : 665 pages
Book Rating : 4.1/5 (395 download)
Download or read book The European Nitrogen Assessment written by Mark A. Sutton and published by Cambridge University Press. This book was released on 2011-04-14 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting the first continental-scale assessment of reactive nitrogen in the environment, this book sets the related environmental problems in context by providing a multidisciplinary introduction to the nitrogen cycle processes. Issues of upscaling from farm plot and city to national and continental scales are addressed in detail with emphasis on opportunities for better management at local to global levels. The five key societal threats posed by reactive nitrogen are assessed, providing a framework for joined-up management of the nitrogen cycle in Europe, including the first cost-benefit analysis for different reactive nitrogen forms and future scenarios. Incorporating comprehensive maps, a handy technical synopsis and a summary for policy makers, this landmark volume is an essential reference for academic researchers across a wide range of disciplines, as well as stakeholders and policy makers. It is also a valuable tool in communicating the key environmental issues and future challenges to the wider public.
Author : Luiz A. Martinelli
Publisher : Springer Science & Business Media
ISBN 13 : 140205517X
Total Pages : 276 pages
Book Rating : 4.4/5 (2 download)
Download or read book Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls written by Luiz A. Martinelli and published by Springer Science & Business Media. This book was released on 2007-01-19 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in our understanding of the nitrogen cycle and the impact of anthropogenic activities on regional to global scales depend on the expansion of scientific studies to these fast-developing regions. This book presents a series of studies from across the Americas whose aim is to highlight key natural processes that control nitrogen cycling as well as discuss the main anthropogenic influences on the nitrogen cycle in both the tropical and temperate regions of the Americas.
Author : J. R. Freney
Publisher : Springer
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (318 download)
Download or read book Cycling of Carbon, Nitrogen, Sulfur and Phosphorus in Terrestrial and Aquatic Ecosystems written by J. R. Freney and published by Springer. This book was released on 1982-07 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers published in this volume were presented to that workshop which was held in Canberra on 29-30 April and 1 May 1981.
Author : Santana Hunt
Publisher :
ISBN 13 : 9781538241165
Total Pages : 0 pages
Book Rating : 4.2/5 (411 download)
Download or read book The Nitrogen Cycle written by Santana Hunt and published by . This book was released on 2019-07-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meet nitrogen -- Nitrogen fixation -- Nitrification -- Assimilation -- Ammonification -- More nitrogen -- Cycle limits -- Human effects -- The nitrogen cycle.
Author : Bobi Martin
Publisher : The Rosen Publishing Group, Inc
ISBN 13 : 1680488279
Total Pages : 34 pages
Book Rating : 4.6/5 (84 download)
Download or read book The Nitrogen Cycle written by Bobi Martin and published by The Rosen Publishing Group, Inc. This book was released on 2017-12-15 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: From tiny organisms to plants and people, all living things need nitrogen. This engaging STEM resource introduces elementary school readers to the importance of the nitrogen cycle in clear, easy-to-follow text. Readers will learn why nitrogen is an essential nutrient for growth, where nitrogen is found, the important role legumes play in the nitrogen cycle, and more. Colorful illustrations and photographs add interest and additional information to each page. Compare and Contrast, Vocabulary, and Think About It sidebars support Common Core standards. This is a must-have book for any shelf.
Author : R. Socolow
Publisher : Cambridge University Press
ISBN 13 : 9780521577830
Total Pages : 536 pages
Book Rating : 4.5/5 (778 download)
Download or read book Industrial Ecology and Global Change written by R. Socolow and published by Cambridge University Press. This book was released on 1994 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses a different approach to addressing environmental problems, aimed at a broad interdisciplinary audience.
Author :
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.3/5 (121 download)
Download or read book Nitrogen in the Environment written by and published by . This book was released on 1993 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
