Why Should We Care About Temporary Waterways?

Intermittently flowing streams and rivers should be recognized, afforded protection, and better managed. A proposed ruling by the U.S. Environmental Protection Agency (EPA), aimed at clarifying which bodies of water that flow intermittently are protected under law ( 1 ), has provoked conflict betwee...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 2014-03, Vol.343 (6175), p.1080-1081
Hauptverfasser: Acuña, V., Datry, T., Marshall, J., Barceló, D., Dahm, C. N., Ginebreda, A., McGregor, G., Sabater, S., Tockner, K., Palmer, M. A.
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container_end_page 1081
container_issue 6175
container_start_page 1080
container_title Science (American Association for the Advancement of Science)
container_volume 343
creator Acuña, V.
Datry, T.
Marshall, J.
Barceló, D.
Dahm, C. N.
Ginebreda, A.
McGregor, G.
Sabater, S.
Tockner, K.
Palmer, M. A.
description Intermittently flowing streams and rivers should be recognized, afforded protection, and better managed. A proposed ruling by the U.S. Environmental Protection Agency (EPA), aimed at clarifying which bodies of water that flow intermittently are protected under law ( 1 ), has provoked conflict between developers and environmental advocates. Some argue that temporary streams and rivers, defined as waterways that cease to flow at some points in space and time along their course (see the figure, left) ( Fig. 1) ( 2 ), are essential to the integrity of entire river networks. Others argue that full protection will be too costly. Similar concerns extend far beyond the United States. Debate over how to treat temporary waterways in water-policy frameworks is ongoing ( 3 ), particularly because some large permanent rivers are shifting to temporary because of climate change and extraction of water ( 4 ). Even without human-induced changes, flow intermittency is part of the natural hydrology for streams and rivers globally.
doi_str_mv 10.1126/science.1246666
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source American Association for the Advancement of Science; Jstor Complete Legacy
subjects Creeks & streams
Environmental management
Environmental protection
Environmental Sciences
Hydrology
POLICY FORUM
Waterways
title Why Should We Care About Temporary Waterways?
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