5. Conclusion

From this rapid overview of populations to ecosystems, a number of cross-cutting themes and remarks emerge in biomathematical and bioinformatics approaches to biodiversity.

• Understanding the impact of global change on biodiversity is a day-to-day concern for biodiversity research, and a powerful driver for the development of appropriate ecological engineering, in which computational and mathematical methods are fully integrated.

• Ecologists take full account of the diversity of global changes, and their interactions, as demonstrated for example by reflections on emerging pathologies, resulting from an increase in the transport of pathogens and their vectors (changes in use) and an increase in their capacity to settle and invade outside their traditional area of distribution (climate change).

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