NDLI: Whole-Ecosystem Experiments: Replication Versus Realism: The Need for Ecosystem-Scale Experiments

Content Provider	Springer Nature Link
Author	Schindler, David W.
Copyright Year	1998
Abstract	The results of bottle and mesocosm experiments were compared with those obtained in whole-ecosystem experiments at the Experimental Lakes Area. Unless they can be cleverly designed to mimic major ecosystem processes and community compositions, smaller-scale experiments often give highly replicable, but spurious, answers. Problems with appropriate scaling are difficult to deduce without direct comparisons with whole-ecosystem experiments. Reasons are many, but include inappropriate spatial scales to include whole communities, in particular predators and nocturnally active animals; temporal scales that are too short to assess accurately the response of slow-responding organisms and biogeochemical processes; and elimination of key littoral–pelagic and catchment–lake interactions. Identical studies of limnological processes in lakes of a large range of sizes reveals that scaling correction is also necessary when extrapolating from small lakes to large ones. Accurate management decisions cannot be made with confidence unless ecosystem scales are studied.
Starting Page	323
Ending Page	334
Page Count	12
File Format	PDF
ISSN	14329840
Journal	Ecosystems
Volume Number	1
Issue Number	4
Language	English
Publisher	Springer-Verlag
Publisher Date	1998-07-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Ecology Environmental Chemistry Ecology, Evolution, Behavior and Systematics

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