Cougars and Trees in a Trophic Cascade

Graph from the paper


In Zion National Park, scientists studied the effects of tourism on cougars and cottonwood trees.

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Curriculum Connections:

NGSS (2013) LS
AP Biology (2015)
2.A.1, 4.B3. 4.B.4, SP1, SP5
IB Biology (2016)
4.1, C.2, C.3
AP Environmental Science (2013)
II.A, IV.D.3
IB Environmental Systems and Societies (2017)
Common Core (2010)
ELA.RST.9-12.4, ELA.RST.9-12.7, Math.S-ID.6, S-IC.4, MP2, MP5
Vision and Change (2009)
CC5, DP2