Search Results for author: Frédéric Barraquand

Found 6 papers, 3 papers with code

Local intraspecific aggregation in phytoplankton model communities: spatial scales of occurrence and implications for coexistence

1 code implementation20 Oct 2022 Coralie Picoche, William R. Young, Frédéric Barraquand

Local spatial aggregation can hinder competitive exclusion since individuals then interact mostly with other individuals of their own species, rather than competitors from different species.

No sensitivity to functional forms in the Rosenzweig-MacArthur model with strong environmental stochasticity

1 code implementation2 Sep 2022 Frédéric Barraquand

The classic Rosenzweig-MacArthur predator-prey model has been shown to exhibit, like other coupled nonlinear ordinary differential equations (ODEs) from ecology, worrying sensitivity to model structure.

The evidence contained in the P-value is context dependent

no code implementations26 May 2022 Florian Hartig, Frédéric Barraquand

In a recent opinion article, Muff et al. recapitulate well-known objections to the Neyman-Pearson Null-Hypothesis Significance Testing (NHST) framework and call for reforming our practices in statistical reporting.

The Traill island model for lemming dynamics, how it compares to Fennoscandian vole dynamics models, and a proposed simplification

no code implementations19 May 2022 Frédéric Barraquand, John-André Henden, Olivier Gilg, Rolf A Ims, Nigel G Yoccoz

We then provide a low-dimensional approximation with a single generalist predator compartment that mimics the essential features of the Traill island model: cycle periodicity, amplitude, shape, as well as generalist-induced declines.

Effects of stage structure on coexistence: mixed benefits

no code implementations1 Oct 2021 Gaël Bardon, Frédéric Barraquand

The properties of competition models where all individuals are identical are relatively well-understood; however, juveniles and adults can experience or generate competition differently.

Seed banks can help to maintain the diversity of interacting phytoplankton species

1 code implementation22 Mar 2021 Coralie Picoche, Frédéric Barraquand

Seed formation is part of the reproductive cycle, leading to the accumulation of resistance stages that can withstand harsh environmental conditions for long periods of time.

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