Ecosim environmental response (foraging) question

[Bai Li - NOAA Affiliate]

Hello everyone, 

I am working on setting up an EwE model and trying to link multiple environmental drivers (e.g., precipitation) with a specific functional group using Ecosim. I used the applying environmental responses (foraging) feature and it worked. However, I am not sure what is actually happening inside of the model in terms of the actual shape of the relationship between the driver and the functional group. 

I wonder if you have some information about the underlying formula for this feature that could help me better understand the process. It would be great if there is information about what is happening when linking two drivers with one functional group as well. Thank you!

Best,

Bai Li

[EwE user support]

Hi Bai Li,

Ecosim uses a near-identical approach as Ecospace as described in
Christensen et al. 2014 (attached) to restrict the size of the foraging
arena. Foraging responses are multiplicative as described in the paper.

I hope this is useful.

Best,
Jeroen
EwE dev team

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[Bai Li - NOAA Affiliate]

Great, thank you, Jeroen!

Best,

Bai