Models in population ecology Strategic models Unapologetic - - PowerPoint PPT Presentation

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Sep 17, 2022 139 likes •221 views

Models in population ecology Strategic models Unapologetic caricatures (i.e., over simplifications) Used to develop intuition, explore the logical consequences of assumptions, generate testable predictions Tactical

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Models in population ecology

“Strategic” models
Unapologetic caricatures (i.e., over‐simplifications)
Used to develop intuition, explore the logical consequences
f assumptions, generate testable predictions
“Tactical” models
Tailored to a specific system
Used to make forecasts or guide management
Used to make forecasts or guide management
Models can also be vehicles for competing alternative

hypotheses against one another with data (The Ecological Detective, 1997, Ray Hilborn & Marc Mangel)

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It’s a rough world out there.

Photo credits: eoearth.org, cornell.edu, ncse.com .

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Whither positive interactions?

Photo credits: flickr.com, RR Dunn, B Guenard.

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Species may simultaneously compete with and facilitate one another another.

Figure from Hunter & Aarsen, “Plants helping plants”, BioScience 1988.

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Photo credit www.ncports.com Photo credit www2 bishopmuseum org Photo credit www2.bishopmuseum.org Photo credit www.seaweed.ie

Hay, American Naturalist 1986.

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