Submitted as: model description paper
24 Apr 2023
Submitted as: model description paper |  | 24 Apr 2023
Status: this preprint is currently under review for the journal GMD.

AdaScape 1.0: a coupled modelling tool to investigate the links between tectonics, climate, and biodiversity

Esteban Acevedo-Trejos, Jean Braun, Katherine Kravitz, N. Alexia Raharinirina, and Benoît Bovy

Abstract. The interplay between tectonics and climate is known to impact the evolution and distribution of lifeforms, leading to present-day patterns of biodiversity. Numerical models that integrate the co-evolution of life and landforms are an ideal tool to investigate the causal links between these Earth system components. Here, we present a tool that couples an ecological-evolutionary model with a landscape evolution model (LEM). The former is based on the adaptive speciation of functional traits, where these traits can mediate ecological competition for resources, and includes dispersal and mutation processes. The latter is a computationally efficient LEM (FastScape) that predicts topographic relief based on the stream power law, hillslope diffusion, and orographic precipitation equations. We integrate these two models to illustrate the coupled behaviour between tectonic uplift and eco-evolutionary processes. Particularly, we investigate how changes in tectonic uplift rate and eco-evolutionary parameters (i.e. competition, dispersal, and mutation) influence the temporal and spatial patterns of biodiversity.

Esteban Acevedo-Trejos et al.

Status: open (until 19 Jun 2023)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gmd-2023-72', Anonymous Referee #1, 26 May 2023 reply

Esteban Acevedo-Trejos et al.

Model code and software

AdaScape Esteban Acevedo-Trejos, Jean Braun, Katherine Kravitz, N. Alexia Raharinirina, and Benoît Bovy

Esteban Acevedo-Trejos et al.


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Short summary
The interplay of tectonics and climate influences the evolution of life and the patterns of biodiversity we observe on Earth's surface. Here we present an adaptive speciation component coupled with a landscape evolution model that captures the essential Earth-surface, ecological and evolutionary processes that lead to the diversification of taxa. We can illustrate with our tool how the evolution of land and landforms co-evolve to produce distinct biodiversity patterns on geological time scales.