?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Punctuated+equilibrium+in+statistical+models+of+generalized+coevolutionary+resilience%3A+How+sudden+ecosystem+transitions+can+entrain+both+phenotype+expression+and+Darwinian+selection&rft.creator=Wallace%2C+Rodrick&rft.creator=Wallace%2C+Deborah&rft.subject=Ecology&rft.description=We+argue+that+mesoscale+ecosystem+resilience+shifts+akin+to+sudden+phase+transitions+in+physical+systems+can+entrain+similarly+punctuated+events+of+gene+expression+on+more+rapid+time+scales%2C+and%2C+in+part+through+such+means%2C+slower+changes+induced+by+selection+pressure%2C+triggering+punctuated+equilibrium+Darwinian+evolutionary+transitions+on+geologic+time+scales.+The+approach+reduces+ecosystem%2C+gene+expression%2C+and+Darwinian+genetic+dynamics+to+a+least+common+denominator+of+information+sources+interacting+by+crosstalk+at+markedly+differing+rates.+Pettini's+'topological+hypothesis'%2C+via+a+homology+between+information+source+uncertainty+and+free+energy+density%2C+generates+a+statistical+model+of+sudden+coevolutionary+phase+transition+based+on+the+Rate+Distortion+and+Shannon-McMillan+Theorems+of+information+theory+which+links+all+three+levels.+Holling's+(1992)+extended+keystone+hypothesis+regarding+the+particular+role+of+mesoscale+phenomena+in+entraining+both+slower+and+faster+dynamical+structures+produces+the+result.+A+main+theme+is+the+necessity+of+a+cognitive+paradigm+for+gene+expression%2C+mirroring+I.+Cohen's+cognitive+approach+to+immune+function.+Invocation+of+the+necessary+conditions+imposed+by+the+asymptotic+limit+theorems+of+communication+theory+enables+us+to+penetrate+one+layer+more+deeply+before+needing+to+impose+a+phenomenological+system+of+'Onsager+relation'+recursive+coevolutionary+stochastic+differential+equations.+Extending+the+development+to+second+order+via+a+large+deviations+argument+may+permit+modeling+the+influence+of+human+cultural+structures+on+ecosystems.&rft.date=2008-02-02&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5921%2F1%2Fnewresil8a.pdf&rft.identifier=++Wallace%2C+Rodrick+and+Wallace%2C+Deborah++(2008)+Punctuated+equilibrium+in+statistical+models+of+generalized+coevolutionary+resilience%3A+How+sudden+ecosystem+transitions+can+entrain+both+phenotype+expression+and+Darwinian+selection.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5921%2F