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#modelling

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Lucas Giboni

#introduction #science #climate #clouds #modelling #geosciences

bonjour le fediverse ! je suis français mais je tooterai majoritairement en anglais (^c^) !

hi fediverse. I'm Lucas, a PhD student at IGE (CNRS, Grenoble, France) whose work focuses on studying the interaction between aerosols and clouds in the Arctic. I'm using climate models and collaborate closely with satellitary observers to improve our understanding of clouds.

I'm counting on mastodon to share about my work and raise awereness around my main scientific concern : climate change (big surprise, is this even a thing anymore ?).

More generally, I wish my academic work could go on being more interdisciplinary and more focused on helping societies and citizens understand and adapt to climate change.

Finally, I'm engaged in climate struggles and love to learn new stuff and share about it. All contents not related to my work will be showed with the appropriate CW.

happy to meet you all c:

Ecology & Ecosystem Modelling

New paper from our lab is published now in Theoretical Ecology! 📰
Lilla Kiss @likiss and Toni Klauschies write on: "Consumer coexistence through the gleaner–opportunist trade-off in the light of sigmoidal functional responses"

Go read it here:
link.springer.com/article/10.1

SpringerLinkConsumer coexistence through the gleaner–opportunist trade-off in the light of sigmoidal functional responses - Theoretical EcologySpecies coexistence relies on ecological trade-offs, such as the gleaner–opportunist trade-off, which enables two consumers to coexist on a single shared resource through temporal resource variation and differences in their resource-dependent growth rates. The shapes of the consumers’ functional responses play a central role in this mechanism as they determine the consumers’ effect on the stability of the consumer–resource dynamics and their response to resource variation. While recent studies suggest that sigmoidal functional responses may be more common in nature than previously assumed, their impact on coexistence in the gleaner–opportunist model has not been systematically analyzed. In this study, we compared population growth models of two consumers with one or both exhibiting a sigmoidal functional response to the original gleaner–opportunist model with one consumer exhibiting a linear and the other a saturating functional response. Comparing the size of the parameter space allowing coexistence, we found that coexistence is most likely when consumers exhibit contrasting effects on and responses to resource variation, such as one consumer exhibiting a stabilizing sigmoidal and the other a saturating functional response, or one exhibiting a destabilizing sigmoidal and the other a linear functional response. Through this stabilizer–destabilizer trade-off, coexistence can also arise between two consumers that exhibit sigmoidal functional responses. Overall, sigmoidal functional responses provided the opportunity for coexistence that was of similar magnitude as in the original gleaner–opportunist model. Critically, sigmoidal functional responses allowed coexistence for less extreme handling times than the original model, emphasizing their importance when fitting models to empirical data.
#theoretical#ecology#modelling
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