Humans strengthen bottom-up effects and weaken trophic cascades in a terrestrial food web.

Ongoing debate about whether food webs are primarily regulated by predators or by primary plant productivity, cast as top-down and bottom-up effects, respectively, may becoming superfluous. Given that most of the world's ecosystems are human dominated we broadened this dichotomy by considering...

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Bibliographic Details
Main Authors: Tyler B Muhly, Mark Hebblewhite, Dale Paton, Justin A Pitt, Mark S Boyce, Marco Musiani
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3648482?pdf=render