Irreversible Processes in Ecological Evolution/PriyangaAmarasekare

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Notes by user Priyanga Amarasekare (UCLA) for Irreversible Processes in Ecological Evolution

Post-meeting Reflection

1+ paragraphs on any combination of the following:

Presentation highlights

Open questions that came up

How your perspective changed

Impact on your own work

e.g. the discussion on [A] that we are having reminds me of [B] conference/[C] initiative/[D] funding call-for-proposal/[E] research group

PA Presentation highlights: (i) The role of constraints in phenotypic evolution as means of generating irreversible evolutionary endpoints and set upper limits to evolutionary trajectories. (ii) Role of constraints in species' ability to adapt to changing environments. (iii) Species come up against hard limits to phenotypic plasticity under climate warming. (iv) In order for thermal reaction norms to evolve in the face of climate warming, there has to be genetic variation. Unclear that reaction norms under strong biochemical control (e.g., development) have sufficient amounts of variation for the upper thermal limit to evolve in response to warming.

2. Open questions:

2.1 Connection between Darwinian adaptationist evolution and the idea of increase in disorder (as in the second law of thermodynamics)

2.2 What exactly are irreversible evolutionary endpoints? Can we come up with a specific definition of irreversibility?

2.3 In the context of constraints on evolution, need to better understand the mechanisms underlying constraints regulatory trait responses.

2.4 How do we incorporate mechanistic descriptions of constraints into models of eco-evolutionary dynamics?

3. How my perspective has changed: I want to think more carefully and deeply about the connection between Darwinian evolution and the second law of thermodynamics.

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Reference material notes

Some examples:

Here is [A] database on [B] that I pull data from to do [C] analysis that might be of interest to this group (insert link).

Here is a free tool for calculating [ABC] (insert link)

This painting/sculpture/forms of artwork is emblematic to our discussion on [X]!

Schwartz et al. 2017 offers a review on [ABC] migration as relate to climatic factors (add the reference as well).

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Reference Materials

Title	Author name	Source name	Year	Citation count From Scopus. Refreshed every 5 days.	Page views	Related file
Temperature dependence of the functional response	Göran Englund, Gunnar Öhlund, Catherine L. Hein, Sebastian Diehl	Ecology Letters	2011	226	13
The common patterns of nature	S. A. Frank	Journal of Evolutionary Biology	2009	117	2
Temperature dependence of the functional response2		Ecology Letters	2011	0	25	Download