Download PDF by Stuart Findlay, Robert L. Sinsabaugh: Aquatic Ecosystems: Interactivity of Dissolved Organic

By Stuart Findlay, Robert L. Sinsabaugh

ISBN-10: 0122563719

ISBN-13: 9780122563713

Aquatic Ecosystems explains the interaction among quite a few pursuits of subject and effort via ecosystems mediated by way of Dissolved natural subject. This booklet offers details on how a lot DOM there's in a specific aquatic atmosphere and the place it originates. It explains no matter if the DOM composition varies every now and then and position to put. It additionally info how DOM turns into integrated into microbial nutrients webs, and offers a greater, clarifying, figuring out to its importance of DOM.

Dissolved natural topic (called DOM) is extremely very important in all aquatic ecosystems. even though it may appear that logs and leaves are extra vital, actually the DOM is extra an important as the DOM is in a kind that's to be had to be used via all of the organisms residing within the the water. in addition, DOM affects advanced meals webs by way of mediating the provision of aquatic food, metals, salts and minerals. DOM additionally impacts water readability, which in fact has alters the best way animals and vegetation stay and feed within the water.
There are many ways to check DOM and this booklet specializes in a number of significant questions. How a lot DOM is there in a specific aquatic ecosytem? the place does it come from? Does the composition of the DOM differ at times and position to palce? How does DOM turn into included into microbial nutrition webs, that are the root of plant, invertebrate and vertebrate meals webs? How can the solutions to those and different questions about DOM be thought of jointly in order that a greater knowing of the importance of DOM can emerge?

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Additional resources for Aquatic Ecosystems: Interactivity of Dissolved Organic Matter

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And S. Myklestad. 1986. Production and extracellular carbohydrate in cultures of Ankistrodesmus densus Kors. (Cholorophyceae). Journal of Plankton Research 8:985–994. Webster, J. , and J. L. Meyer. 1997. Organic matter budgets for streams: A synthesis. In “Stream Organic Matter Budgets” (J. R. Webster and J. L. ). pp. 141–161. Journal of the North American Benthological Society 16:3–161. , and M. Simon. 1999. Consumption of labile dissolved organic matter by limnetic bacterioplankton: The relative significance of amino acids and carbohydrates.

Lancelot, C. 1983. Factors affecting phytoplankton extracellular release in the Southern Bight of the North Sea. Marine Ecology Progress Series 12:115–121. , and Å. Hagström. 1982. Fractionated phytoplankton primary production, exudate release and bacterial production in a Baltic eutrophication gradient. Marine Biology 67:57–70. Lignell, R. 1990. Excretion of organic carbon by phytoplankton: Its relation to algal biomass, primary productivity and bacterial secondary production in the Baltic Sea.

Prediction of Soil Solution and Riverine Dissolved Organic Carbon Flux Using Watershed Soil Properties 58 References 59 I. INTRODUCTION Allochthonous dissolved organic matter is a source of organic carbon, nitrogen, phosphorus, and sulfur to aquatic systems that is derived from the surrounding terrestrial ecosystem. 22 μm). Therefore, DOM comprises a continuum of small organic molecules to highly polymeric humic substances. Molecular weights of dissolved organic compounds typically range from 100 to 100,000 Da.

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Aquatic Ecosystems: Interactivity of Dissolved Organic Matter by Stuart Findlay, Robert L. Sinsabaugh


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