The importance of organic detritus in lotic ecosystems: Aspects of trophic interactions

Chamier, Anne-Corole (1997) The importance of organic detritus in lotic ecosystems: Aspects of trophic interactions. Freshwater Forum, 9, pp. 14-24.

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Abstract

Very little research has been carried out on detrital energetics and pathways in lotic ecosystems. Most investigations have concentrated on the degradation of allochthonous plant litter by fungi, with a glance at heterotrophic bacteria associated with decaying litter. In this short review, the author describes what is known of the detrition of plant litter in lotic waters, which results from the degradative activities of colonising saprophytic fungi and bacteria, and goes on to relate this process to those invertebrates that consume coarse and/or fine particulate detritus, or dissolved organic matter that aggregates into colloidal exopolymer particles. It is clear that many of the key processes involved in the relationships between the physical, chemical, biotic and biochemical elements present in running waters are very complex and poorly understood. Those few aspects for which there are reliable models with predictive power have resulted from data collections made over periods of 20 years or more. Comprehensive research of single catchments would provide a fine opportunity to collect data over a long period.

Item Type: Article
Title: The importance of organic detritus in lotic ecosystems: Aspects of trophic interactions
Personal Creator/Author:
CreatorsEmail
Chamier, Anne-Corole
Refereed: No
Journal or Publication Title: Freshwater Forum
Volume: 9
Page Range: pp. 14-24
Date: 1997
ISSN: 0961-4664
Issuing Agency: Freshwater Biological Association
Uncontrolled Keywords: Detritus; Trophodynamic cycle; Gammarus; Invertebrata
Subjects: Ecology
Limnology
Item ID: 4581
Depositing User: Hardy B Schwamm
Date Deposited: 25 Nov 2010 12:24
Last Modified: 29 Sep 2011 16:14
URI: http://aquaticcommons.org/id/eprint/4581

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