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Respiration in the mesopelagic and bathypelagic zones of the oceans

Javier Arístegui, Susana Agustí, Jack J. Middelburg, and Carlos M. Duarte

in Respiration in Aquatic Ecosystems

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198527084
eISBN:
9780191713347
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527084.003.0010
Subject:
Biology, Aquatic Biology

This chapter reviews the mechanisms of transport and remineralization of organic matter in the dark water-columns and sediments of the oceans. Different approaches to estimating respiration rates are ... More


Proteins: Amino Acids and Amines

Thomas S. Bianchi and Elizabeth A. Canuel

in Chemical Biomarkers in Aquatic Ecosystems

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691134147
eISBN:
9781400839100
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691134147.003.0006
Subject:
Biology, Ecology

This chapter discusses proteins, which make up approximately 50% of organic matter and contain about 85% of the organic nitrogen in marine organisms. Peptides and proteins comprise an important ... More


What Controls Atmospheric Oxygen Concentrations?

Donald Eugene Canfield

in Oxygen: A Four Billion Year History

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691145020
eISBN:
9781400849888
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691145020.003.0005
Subject:
Environmental Science, Climate

This chapter deals with the fundamental question of why there is oxygen in the atmosphere at all. It seeks to identify the main processes controlling the oxygen concentration. Plants and ... More


Carbohydrates: Neutral and Minor Sugars

Thomas S. Bianchi and Elizabeth A. Canuel

in Chemical Biomarkers in Aquatic Ecosystems

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691134147
eISBN:
9781400839100
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691134147.003.0005
Subject:
Biology, Ecology

This chapter covers carbohydrates, the most abundant class of biopolymers on Earth and significant components of water column particulate organic matter and dissolved organic matter in aquatic ... More


Wetland Ecosystem Processes

Robert G. Wetzel

in Ecology of Freshwater and Estuarine Wetlands

Published in print:
2007
Published Online:
March 2012
ISBN:
9780520247772
eISBN:
9780520932890
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520247772.003.0008
Subject:
History, History of Science, Technology, and Medicine

By definition, the water table of wetlands is near, at, or above the hydrosoil (sediment) surface. These changing hydrologic conditions are primary drivers of nutrient fluxes in the sediments and all ... More


Chemical Biomarkers in Aquatic Ecosystems

Thomas S. Bianchi and Elizabeth A. Canuel

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691134147
eISBN:
9781400839100
Item type:
book
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691134147.001.0001
Subject:
Biology, Ecology

This textbook provides a unique and thorough look at the application of chemical biomarkers to aquatic ecosystems. Defining a chemical biomarker as a compound that can be linked to particular sources ... More


Trophic Interactions in Subtidal Rocky Reefs on the West Coast of South Africa

George M. Branch

in Food Webs and the Dynamics of Marine Reefs

Published in print:
2008
Published Online:
May 2008
ISBN:
9780195319958
eISBN:
9780199869596
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195319958.003.0003
Subject:
Biology, Aquatic Biology

The chapter summarizes the ecology of the subtidal reefs of South Africa. Discussions include the role of wind, productivity, and oceanographic conditions, the important role of currents and the ... More


The soil environment

Richard D. Bardgett

in The Biology of Soil: A community and ecosystem approach

Published in print:
2005
Published Online:
April 2010
ISBN:
9780198525035
eISBN:
9780191728181
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198525035.003.0001
Subject:
Biology, Ecology

Soil forms a thin mantle over the Earth's surface and acts as the interface between the atmosphere and lithosphere, the outermost shell of the Earth. It is a multiphase system, consisting of mineral ... More


Biogeochemistry and Bacterial Ecology of Hydrologically Dynamic Wetlands

Paul I. Boon

in Ecology of Freshwater and Estuarine Wetlands

Published in print:
2007
Published Online:
March 2012
ISBN:
9780520247772
eISBN:
9780520932890
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520247772.003.0005
Subject:
History, History of Science, Technology, and Medicine

Many studies fail to acknowledge that wetlands are by nature incredibly dynamic habitats in terms of hydrology, and that episodic wetting and drying has a profound influence on chemical reactions and ... More


Semmelweis

Irvine Loudon

in The Tragedy of Childbed Fever

Published in print:
2000
Published Online:
October 2011
ISBN:
9780198204992
eISBN:
9780191676444
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198204992.003.0007
Subject:
History, History of Science, Technology, and Medicine

This chapter examines some of the myths about the contribution of Hungarian physician Ignaz Semmelweis to the prevention of and treatment of puerperal fever. Semmelweis made several important ... More


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