[Energy flow in arctic aquatic ecosystems]

This study is aimed at determining the major pathways of energy flow in freshwater ecosystems of the Alaskan arctic coastal plain. Selected sites for study of the processes supplying energy to streams and lakes to verify the generality of past findings will be surveyed for collection of organisms in...

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Bibliographic Details
Main Author: Schell, D.M.
Language:unknown
Published: 2008
Subjects:
54 ENVIRONMENTAL SCIENCES
02 PETROLEUM
ARCTIC REGIONS
FOOD CHAINS
AQUATIC ECOSYSTEMS
ENERGY BUDGETS
ALASKA
COASTAL REGIONS
CARBON 13
ISOTOPE RATIO
BEAUFORT SEA
TRACER TECHNIQUES
PEAT
Arctic
Beaufort Sea
Alaska
Online Access:http://www.osti.gov/servlets/purl/10138591
https://www.osti.gov/biblio/10138591
https://doi.org/10.2172/10138591
Description
Summary:This study is aimed at determining the major pathways of energy flow in freshwater ecosystems of the Alaskan arctic coastal plain. Selected sites for study of the processes supplying energy to streams and lakes to verify the generality of past findings will be surveyed for collection of organisms including the Colville River drainage and the lake region around Teshekpuk Lake. Specific objectives are to collect food web apex organisms (fish and birds) from a variety of sites in the coastal plain to verify descriptive models of ecosystem structure and food web pathways and to compare the utilization rates by insect larvae of fresh litter and in situ primary production relative to more refractory peaty materials through seasonal sampling for isotopic analysis.

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