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

Author : Northern River Basins Study (Canada),Christopher John Perrin,Bothwell, Max L,Chambers, Patricia A
Publisher : The Study
Page : 35 pages
File Size : 41,5 Mb
Release : 1995
Category : Algae
ISBN : 0662234359

Get Book

Growth Rate and Biomass Responses of Periphytic Algae to Nutrient Enrichment of Stable and Unstable Substrata, Athabasca River by Northern River Basins Study (Canada),Christopher John Perrin,Bothwell, Max L,Chambers, Patricia A Pdf

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.

Author : Mark R. Servos
Publisher : CRC Press
Page : 724 pages
File Size : 53,8 Mb
Release : 2020-02-03
Category : Science
ISBN : 9781000725131

Get Book

Environmental Fate and Effects of Pulp and Paper by Mark R. Servos Pdf

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.

Author : Alec R. Dale,Patricia A. Chambers,Northern River Basins Study (Canada)
Publisher : Unknown
Page : 66 pages
File Size : 47,6 Mb
Release : 1995
Category : Algae
ISBN : MSU:31293012058941

Get Book

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,Patricia A. Chambers,Northern River Basins Study (Canada) Pdf

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.

Author : Alec R. Dale,Patricia A. Chambers,Northern River Basins Study (Canada)
Publisher : Unknown
Page : 70 pages
File Size : 45,6 Mb
Release : 1995
Category : Science
ISBN : MSU:31293012058933

Get Book

Growth Rate and Biomass Responses of Periphytic Algae to Phosphorus Enrichment in Experimental Flumes, Athabasca River, April and May, 1994 by Alec R. Dale,Patricia A. Chambers,Northern River Basins Study (Canada) Pdf

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.

Author : Anonim
Publisher : Unknown
Page : 54 pages
File Size : 45,9 Mb
Release : 1995
Category : Athabasca River Watershed (Alta.)
ISBN : MINN:31951D01233178V

Get Book

Northern River Basins Study Project Report by Anonim Pdf

Author : Patricia A. Chambers,Northern River Basins Study (Canada)
Publisher : Canadian Government Publishing
Page : 132 pages
File Size : 44,6 Mb
Release : 1996
Category : Water quality
ISBN : MINN:31951D016292052

Get Book

Nutrient Enrichment in the Peace, Athabasca and Slave Rivers by Patricia A. Chambers,Northern River Basins Study (Canada) Pdf

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.

Author : Northern River Basins Study (Canada)
Publisher : Unknown
Page : 292 pages
File Size : 54,7 Mb
Release : 1996
Category : Athabasca River Watershed (Alta.)
ISBN : MINN:31951D016292028

Get Book

Northern River Basins Study by Northern River Basins Study (Canada) Pdf

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.

Author : Anonim
Publisher : Unknown
Page : 674 pages
File Size : 50,9 Mb
Release : 1996
Category : Government publications
ISBN : MINN:31951P004955436

Get Book

Government Reports Announcements & Index by Anonim Pdf

Author : National Environmental Research Center (Corvallis, Or.). Pacific Northwest Environmental Research Laboratory. Eutrophication and Lake Restoration Branch
Publisher : Unknown
Page : 60 pages
File Size : 42,6 Mb
Release : 1974
Category : Algae
ISBN : UOM:39015007518775

Get Book

Marine Algal Assay Procedure by National Environmental Research Center (Corvallis, Or.). Pacific Northwest Environmental Research Laboratory. Eutrophication and Lake Restoration Branch Pdf

Author : National Eutrophication Research Program
Publisher : Unknown
Page : 96 pages
File Size : 55,5 Mb
Release : 1971
Category : Algae
ISBN : UOM:39015006142684

Get Book

Algal Assay Procedure by National Eutrophication Research Program Pdf

Author : Katarzyna Chojnacka,Piotr Pawel Wieczorek,Grzegorz Schroeder,Izabela Michalak
Publisher : Springer
Page : 143 pages
File Size : 53,5 Mb
Release : 2018-07-09
Category : Science
ISBN : 9783319747033

Get Book

Algae Biomass: Characteristics and Applications by Katarzyna Chojnacka,Piotr Pawel Wieczorek,Grzegorz Schroeder,Izabela Michalak Pdf

This book is a compendium of knowledge on the useful properties of algae in the context of application as a useful component of innovative natural products. It presents all aspects of industrial applications of macroalgae biomass derived from the natural environment. Despite many interesting characteristics, algae are still regarded as undervalued raw material, therefore, present in the following chapters are not only environmental benefits arising from the development of excessive algal biomass, but also the distribution and biology of algae in natural conditions in reservoirs, methods of obtaining extracts from biomass of algae for industrial purposes. Furthermore, it also includes topics such as the use of biomass and algae extracts for the industrial purposes, in animal breeding and for agricultural purposes, as well as the economic aspects of algae biomass harvesting for industrial purposes. The book is intended for a wide audience interested in new methods of obtaining the biomass from the natural environment for industrial purposes and the manufacture of products based on bioactive substances obtained from the environment.

Author : Debabrata Das
Publisher : Springer
Page : 467 pages
File Size : 47,7 Mb
Release : 2015-11-30
Category : Technology & Engineering
ISBN : 9783319228136

Get Book

Algal Biorefinery: An Integrated Approach by Debabrata Das Pdf

This book critically discusses different aspects of algal production systems and several of the drawbacks related to microalgal biomass production, namely, low biomass yield, and energy-consuming harvesting, dewatering, drying and extraction processes. These provide a background to the state-of-the-art technologies for algal cultivation, CO2 sequestration, and large-scale application of these systems. In order to tap the commercial potential of algae, a biorefinery concept has been proposed that could help to extract maximum benefits from algal biomass. This refinery concept promotes the harvesting of multiple products from the feedstock so as to make the process economically attractive. For the last few decades, algal biomass has been explored for use in various products such as fuel, agricultural crops, pigments and pharmaceuticals, as well as in bioremediation. To meet the huge demand, there has been a focus on large-scale production of algal biomass in closed or open photobioreactors. Different nutritional conditions for algal growth have been explored, such as photoautotrophic, heterotrophic, mixotrophic and oleaginous. This book is aimed at a wide audience, including undergraduates, postgraduates, academics, energy researchers, scientists in industry, energy specialists, policy makers and others who wish to understand algal biorefineries and also keep abreast of the latest developments.

Author : Yuk-Shan Wong
Publisher : Unknown
Page : 258 pages
File Size : 46,6 Mb
Release : 1998
Category : Technology & Engineering
ISBN : UOM:39015040175138

Get Book

Wastewater Treatment with Algae by Yuk-Shan Wong Pdf

This book brings together environmental scientists and engineers to discuss the development of new approaches and methodologies which utilize microalgae for biological wastewater treatment. The researchers report their recent findings on microalgal removal of nutrients, heavy metals and other organic pollutants from sewage and industrial effluents. The technologies discussed here include biosorption and bioaccumulation of heavy metals, cell immobilization of algae, and mathematical modelling of metal uptake by cells. This book is unique in that it takes a practical approach to the subject matter and is a useful reference both in and outside of the laboratory.

Author : Maria Kahlert
Publisher : Unknown
Page : 0 pages
File Size : 43,8 Mb
Release : 2001
Category : Algae
ISBN : 9155450970

Get Book

Biomass and Nutrient Status of Benthic Algae in Lakes by Maria Kahlert Pdf

Author : Brian Moss
Publisher : Naturalists' Handbooks
Page : 0 pages
File Size : 47,8 Mb
Release : 2017
Category : SCIENCE
ISBN : 1784271357

Get Book

Ponds and Small Lakes by Brian Moss Pdf

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.