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Aquatic Ecosystems explains the interplay between various movements
of matter and energy through ecosystems mediated by Dissolved
Organic Matter. This book provides information on how much DOM
there is in a particular aquatic ecosystem and where it originates.
It explains whether the DOM composition varies from time to time
and place to place. It also details how DOM becomes incorporated
into microbial food webs, and gives a better, clarifying,
understanding to its significance of DOM.
Dissolved Organic Matter (called DOM) is incredibly important in
all aquatic ecosystems. Although it might seem that logs and leaves
are more important, in fact the DOM is more crucial because the DOM
is in a form that is available for use by all the organisms living
in the the water. Furthermore, DOM influences complex food webs by
mediating the availability of aquatic nutrients, metals, salts and
minerals. DOM also affects water clarity, which of course has
alters the way animals and plants live and feed in the water.
There are many ways to study DOM and this book focuses on several
central questions. How much DOM is there in a particular aquatic
ecosytem? Where does it come from? Does the composition of the DOM
vary from time to time and place to palce? How does DOM become
incorporated into microbial food webs, which are the basis of
plant, invertebrate and vertebrate food webs? How can the answers
to these and other questions about DOM be considered together so
that a better understanding of the significance of DOM can emerge?
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