Growth Rate And Biomass Responses Of Periphytic Algae To Nutrient Enrichment Of Stable And Unstable Substrata Athabasca River

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Growth Rate and Biomass Responses of Periphytic Algae to Nutrient Enrichment of Stable and Unstable Substrata, Athabasca River

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Author : Northern River Basins Study (Canada)
Publisher : The Study
ISBN 13 : 9780662234357
Total Pages : 35 pages
Book Rating : 4.2/5 (343 download)

Book Synopsis Growth Rate and Biomass Responses of Periphytic Algae to Nutrient Enrichment of Stable and Unstable Substrata, Athabasca River by : Northern River Basins Study (Canada)

Download or read book Growth Rate and Biomass Responses of Periphytic Algae to Nutrient Enrichment of Stable and Unstable Substrata, Athabasca River written by Northern River Basins Study (Canada) and published by The Study. This book was released on 1995 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of an experiment conducted in artificial streams in which the growth of benthic algae was studied in relation to the phosphorus and nitrogen concentrations in the water. The goal of the study was to determine whether benthic algal biomass in the upper Athabasca River is limited by the availability of phosphorus or nitrogen. The results include the taxonomic, growth, and biomass responses by periphytic algae to phosphate additions of up to 50 micrograms per liter. The report also develops a model describing change in relative peak biomass with phosphorus addition, using data from the Athabasca experiments. Comparisons are made with a similarly derived model using results from experiments on the South Thompson River.

Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, Seasonal Variation, 1993 and 1994

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Author : Alec R. Dale
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (129 download)

Book Synopsis Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, Seasonal Variation, 1993 and 1994 by : Alec R. Dale

Download or read book Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, Seasonal Variation, 1993 and 1994 written by Alec R. Dale and published by . This book was released on 1995 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results of an experiment conducted in artificial streams (flumes) in which the growth of periphyton (algae) was studied in relation to phosphorus concentrations in the water. The goal of the study was to determine whether periphyton growth in the Athabasca River was phosphorus limited and whether the degree of phosphorus limitation varied seasonally. The experimental flumes were located on site, adjacent to the Athabasca River at Hinton. The experiment was designed to test periphyton growth and biomass response to a gradient of phosphorus additions during fall and early spring. Periphyton response was compared for phosphorus additions of zero (control), 1, 10, and 25 micrograms per litre of phosphorus (spring and fall 1994) or zero, 0.1, 0.2, 1, 5, 10, 25, and 50 micrograms per litre of phosphorus (fall 1993). Results include relative specific growth rates as indicated by measuring the build-up of chlorophyll a, the level at which growth rate saturation occurred, and phosphorus concentrations required to reach maximum biomass levels.

Nutrient Enrichment in the Peace, Athabasca and Slave Rivers

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Author : Patricia A. Chambers
Publisher : Canadian Government Publishing
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Nutrient Enrichment in the Peace, Athabasca and Slave Rivers by : Patricia A. Chambers

Download or read book Nutrient Enrichment in the Peace, Athabasca and Slave Rivers written by Patricia A. Chambers and published by Canadian Government Publishing. This book was released on 1996 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesises results from research and monitoring studies undertaken to characterise nutrient loading from all point and diffuse sources in northern Alberta river basins. Also evaluates the impacts of nutrient loading on river chemistry, assesses the response of riverine biota to nutrient loading from pulp mill and municipal effluents, quantifies nutrient responses of benthic biota, and investigates interactions between nutrients and contaminants in pulp mill effluents on food webs. The findings are used to assess the state of aquatic ecosystem health and to develop scientific and management recommendations for the northern river basins.

Northern River Basins Study Project Report

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Author :
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Northern River Basins Study Project Report by :

Download or read book Northern River Basins Study Project Report written by and published by . This book was released on 1995 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Environmental Fate and Effects of Pulp and Paper

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Author : Mark R. Servos
Publisher : CRC Press
ISBN 13 : 1000725138
Total Pages : 724 pages
Book Rating : 4.0/5 (7 download)

Book Synopsis Environmental Fate and Effects of Pulp and Paper by : Mark R. Servos

Download or read book Environmental Fate and Effects of Pulp and Paper written by Mark R. Servos and published by CRC Press. This book was released on 2020-02-03 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there have been emerging concerns regarding the fate and effects of pulp and paper mill effluents on the environment. Countries throughout the world are focusing attention on the implementation of regulatory and monitoring programs. In response, industry has begun to implement a variety of process and treatment technologies designed to minimize or eliminate the potential impacts. Environmental Fate and Effects of Pulp and Paper Mill Effluents explores the most active and critical current research and experimentation from around the world. This comprehensive overview examines the identity and origin of chemicals in pulp mill effluents, environmental fate of chemicals from pulp and paper mills, bioaccumulation of substances from pulp mills to fish and wildlife, field and laboratory studies of biochemical and whole organism responses associated with pulp and paper effluents, integrated monitoring and future research, and policy directions of this rapidly evolving field. Written by prominent scientists from around the world with contributions from industry, government, and academia, this important new book provides a balanced global perspective of the recent scientific findings and the challenges being faced in the immediate future.

Northern River Basins Study

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Author : Northern River Basins Study (Canada)
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Northern River Basins Study by : Northern River Basins Study (Canada)

Download or read book Northern River Basins Study written by Northern River Basins Study (Canada) and published by . This book was released on 1996 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report to the federal ministers of Environment and Indian & Northern Affairs, Alberta's Minister of Environmental Protection, and NWT's Minister of Renewable Resources. Summarises the main scientific findings of the Northern River Basins Study, which was established to examine the relationship between industrial, municipal, agricultural, and other development and the Peace, Athabasca, and Slave River basins. Reviews the characteristics of the northern river basins and their peoples, the organisation of the Study, and major findings in the areas of environmental overview, use of aquatic resources, traditional knowledge, flow regulation, fish distribution and habitat, nutrients, dissolved oxygen, contaminants, drinking water, ecosystem health, modelling, human health, and cumulative effects. Recommendations by the Study Board, First Nations, and scientific advisors regarding such issues as basin management, monitoring, research, public participation, and a successor organisation are then presented. Also includes a summary of opinions, suggestions, and recommendations expressed at 17 community workshops held throughout the northern river basins area.

Government Reports Announcements & Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 674 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, April and May, 1994

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Author : Alec R. Dale
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (129 download)

Book Synopsis Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, April and May, 1994 by : Alec R. Dale

Download or read book Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, April and May, 1994 written by Alec R. Dale and published by . This book was released on 1995 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results of an experiment conducted in artificial streams (flumes) in which the growth of periphyton (algae) was studied in relation to phosphorus concentrations in the water. The goal of the study was to determine whether periphyton growth in the Athabasca River was phosphorus limited and whether the degree of phosphorus limitation varied from a similar study conducted in fall 1993. The experimental flumes were located on site, adjacent to the Athabasca River at Hinton. The four-week experiment consisted of four treatments: a control of zero phosphorus addition and three experimental levels of 1, 10, and 25 micrograms per litre of phosphorus. Results include relative specific growth rates as indicated by measuring the build-up of chlorophyll a, the level at which growth rate saturation occurred, and phosphorus concentrations required to reach maximum biomass levels in spring.

Long-term Environmental Change in Arctic and Antarctic Lakes

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Author : Reinhard Pienitz
Publisher : Springer Science & Business Media
ISBN 13 : 1402021267
Total Pages : 579 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Long-term Environmental Change in Arctic and Antarctic Lakes by : Reinhard Pienitz

Download or read book Long-term Environmental Change in Arctic and Antarctic Lakes written by Reinhard Pienitz and published by Springer Science & Business Media. This book was released on 2007-11-08 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns about the effects of global climate change have focused attention on the vulnerability of circumpolar regions. This book offers a synthesis of the spectrum of techniques available for generating long-term environmental records from circumpolar lakes.

Ponds and Small Lakes

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Author : Brian Moss
Publisher : Naturalists' Handbooks
ISBN 13 : 9781784271350
Total Pages : 0 pages
Book Rating : 4.2/5 (713 download)

Book Synopsis Ponds and Small Lakes by : Brian Moss

Download or read book Ponds and Small Lakes written by Brian Moss and published by Naturalists' Handbooks. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ponds and small lakes support an extremely rich biodiversity of fascinating organisms. Many people have tried pond-dipping and encountered a few unfamiliar creatures, such as dragonfly nymphs and caddisfly larvae. However, there is a far richer world of microscopic organisms, such as diatoms, desmids and rotifers, which is revealed in this book. Anyone with access to a microscope can open up this hidden dimension. Identification keys are provided so that readers can identify, explore and study this microscopic world. There are also many suggestions of ways in which readers can then make original contributions to our knowledge and understanding of pond ecology. The book not only explores the fascinating world of the creatures within ponds and their interactions, but also explains the many ways in which ponds are important in human affairs. Ponds are being lost around the world, but they are a key part of a system that maintains our climate. In the face of climate change, it has never been more important to understand the ecology of ponds. Includes keys to: A - Traditional key to kingdoms of organisms; B - Contemporary key to kingdoms of organisms; C - Pragmatic key to groups of microorganisms; D - Algae visible, at least en masse, to the naked eye; E - Periphyton, both attached to surfaces and free living; F - Protozoa; G- Freshwater invertebrates and; H - Common phytoplankton genera in ponds.

Climate Change, Ocean Acidification and Sponges

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Author : José Luis Carballo
Publisher : Springer
ISBN 13 : 3319590081
Total Pages : 456 pages
Book Rating : 4.3/5 (195 download)

Book Synopsis Climate Change, Ocean Acidification and Sponges by : José Luis Carballo

Download or read book Climate Change, Ocean Acidification and Sponges written by José Luis Carballo and published by Springer. This book was released on 2017-10-27 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: While sponges represent a very simple group of organisms, which are represented by over 8000 species, there is considerable interest in the increasing role they may play in future marine ecosystems. While we still have a comparatively limited understanding of how sponges will respond to ocean warming and acidification there is evidence that some species may have the ability to acclimate or even adapt to these stressors. This comprehensive collection of articles describes our current understanding of the impacts of ocean acidification and warming on sponges across multiple levels of biological organisation, and from the geological past to the present. With expert contributions from across the world this book represents the most up-to-date view on sponge responses to climate change. This book will be of interest to a wide audience of marine scientists and managers, who are grappling with how to manage, conserve and protect marine ecosystems.

The Wetlands Handbook, 2 Volume Set

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Author : Edward Maltby
Publisher : John Wiley & Sons
ISBN 13 : 9781444315820
Total Pages : 800 pages
Book Rating : 4.3/5 (158 download)

Book Synopsis The Wetlands Handbook, 2 Volume Set by : Edward Maltby

Download or read book The Wetlands Handbook, 2 Volume Set written by Edward Maltby and published by John Wiley & Sons. This book was released on 2009-07-23 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forty-two chapters by international experts from a wide range ofdisciplines make The Wetlands Handbook the essential toolfor those seeking comprehensive understanding of the subject. Adeparture from more traditional treatises, this text examinesfreshwater wetland ecosystem science from the fundamentals toissues of management and policy. Introductory chapters address the scope and significance ofwetlands globally for communities, culture and biodiversity.Subsequent sections deal with processes underpinning wetlandfunctioning, how wetlands work, their uses and values for humansand nature, their sensitivity to external impacts, and how they maybe restored. The text is illustrated by numerous examples,emphasising functional and holistic approaches to wetlandmanagement, including case studies on the wise use andrehabilitation of wetlands in farmed, urban, industrial and otherdamaged environments, highlighting the long-term benefits ofmultiple use. The Wetlands Handbook will provide aninvaluable reference for researchers, managers, policy-makers andstudents of wetland sciences.

Diatoms

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Author : Joseph Seckbach
Publisher : John Wiley & Sons
ISBN 13 : 1119370728
Total Pages : 648 pages
Book Rating : 4.1/5 (193 download)

Book Synopsis Diatoms by : Joseph Seckbach

Download or read book Diatoms written by Joseph Seckbach and published by John Wiley & Sons. This book was released on 2019-07-01 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this new book series (Diatoms: Biology and Applications) is to provide a comprehensive and reliable source of information on diatom biology and applications. The first book of the series, Diatoms Fundamentals & Applications, is wide ranging, starting with the contributions of amateurs and the beauty of diatoms, to details of how their shells are made, how they bend light to their advantage and ours, and major aspects of their biochemistry (photosynthesis and iron metabolism). The book then delves into the ecology of diatoms living in a wide range of habitats, and look at those few that can kill or harm us. The book concludes with a wide range of applications of diatoms, in forensics, manufacturing, medicine, biofuel and agriculture. The contributors are leading international experts on diatoms. This book is for a wide audience researchers, academics, students, and teachers of biology and related disciplines, written to both act as an introduction to diatoms and to present some of the most advanced research on them.

Bibliographia Trichopterorum: 1961-1970

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Author : Andrew P. Nimmo
Publisher : Pensoft Publishers
ISBN 13 : 9789546420121
Total Pages : 616 pages
Book Rating : 4.4/5 (21 download)

Book Synopsis Bibliographia Trichopterorum: 1961-1970 by : Andrew P. Nimmo

Download or read book Bibliographia Trichopterorum: 1961-1970 written by Andrew P. Nimmo and published by Pensoft Publishers. This book was released on 1996 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rivers for Life

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Author : Sandra Postel
Publisher : Island Press
ISBN 13 : 1597267805
Total Pages : 265 pages
Book Rating : 4.5/5 (972 download)

Book Synopsis Rivers for Life by : Sandra Postel

Download or read book Rivers for Life written by Sandra Postel and published by Island Press. This book was released on 2012-06-22 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conventional approach to river protection has focused on water quality and maintaining some "minimum" flow that was thought necessary to ensure the viability of a river. In recent years, however, scientific research has underscored the idea that the ecological health of a river system depends not on a minimum amount of water at any one time but on the naturally variable quantity and timing of flows throughout the year. In Rivers for Life, leading water experts Sandra Postel and Brian Richter explain why restoring and preserving more natural river flows are key to sustaining freshwater biodiversity and healthy river systems, and describe innovative policies, scientific approaches, and management reforms for achieving those goals. Sandra Postel and Brian Richter: explain the value of healthy rivers to human and ecosystem health; describe the ecological processes that support river ecosystems and how they have been disrupted by dams, diversions, and other alterations; consider the scientific basis for determining how much water a river needs; examine new management paradigms focused on restoring flow patterns and sustaining ecological health; assess the policy options available for managing rivers and other freshwater systems; explore building blocks for better river governance. Sandra Postel and Brian Richter offer case studies of river management from the United States (the San Pedro, Green, and Missouri), Australia (the Brisbane), and South Africa (the Sabie), along with numerous examples of new and innovative policy approaches that are being implemented in those and other countries. Rivers for Life presents a global perspective on the challenges of managing water for people and nature, with a concise yet comprehensive overview of the relevant science, policy, and management issues. It presents exciting and inspirational information for anyone concerned with water policy, planning and management, river conservation, freshwater biodiversity, or related topics.

Climate Change Impacts on Freshwater Ecosystems

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Author : Martin Kernan
Publisher : Wiley-Blackwell
ISBN 13 : 9781405179133
Total Pages : 328 pages
Book Rating : 4.1/5 (791 download)

Book Synopsis Climate Change Impacts on Freshwater Ecosystems by : Martin Kernan

Download or read book Climate Change Impacts on Freshwater Ecosystems written by Martin Kernan and published by Wiley-Blackwell. This book was released on 2010-09-27 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text examines the impact of climate change on freshwater ecosystems, past, present and future. It especially considers the interactions between climate change and other drivers of change including hydromorphological modification, nutrient loading, acid deposition and contamination by toxic substances using evidence from palaeolimnology, time-series analysis, space-for-time substitution, laboratory and field experiments and process modelling. The book evaluates these processes in relation to extreme events, seasonal changes in ecosystems, trends over decadal-scale time periods, mitigation strategies and ecosystem recovery. The book is also concerned with how aspects of hydrophysical, hydrochemical and ecological change can be used as early indicators of climate change in aquatic ecosystems and it addresses the implications of future climate change for freshwater ecosystem management at the catchment scale. This is an ideal book for the scientific research community, but is also accessible to Masters and senior undergraduate students.

Garrison Diversion Unit

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Author : United States. Department of the Interior
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.A/5 ( download)

Book Synopsis Garrison Diversion Unit by : United States. Department of the Interior

Download or read book Garrison Diversion Unit written by United States. Department of the Interior and published by . This book was released on 1960 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: