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Chapitre D'ouvrage Année : 2024

Ecological and habitat restoration for insect conservation

Résumé

Ecological restoration, the process of assisting the recovery of an ecosystem, can benefit insect conservation. The restoration of native plant species is often associated with natural recovery of insects, firstly phytophagous and pollinators. Restoration can also specifically aim at assisting the recovery of a particular insect taxon: meadows reopened after encroachment by pine trees are suitable habitats for an endangered butterfly and the introduction of grazing, prescribed burns, and soil scraping in prairies invaded by exotic grass creates the bare ground patches essential for an endangered beetle. Restoration can also be promoted by the reintroduction of insects that are ecosystem engineers, such as ants or termites. In all cases, the recovery of insect diversity at restored sites is dependent on the level of degradation, the implemented restoration actions, the landscape and regional context, mobility of insect species, and species-specific interactions. Insects have complex life cycles: eggs, larvae, and adults do not share the same habitat requirements and are at different levels in the trophic network. As a result, restoration projects cannot provide an ideal habitat that satisfies the diverse needs of all insects. However, maximizing habitat complexity and heterogeneity is a way to provide a variety of habitats and promote insect diversity.
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samedi 14 juin 2025
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Dates et versions

hal-04615544 , version 1 (18-06-2024)

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Elise Buisson, Manon C M Hess, Romane Blaya, Tania de Almeida, Natan Huberson, et al.. Ecological and habitat restoration for insect conservation. James S. Pryke; Michael J. Samways; Tim R. New; Pedro Cardoso; René Gaigher. Routledge Handbook of Insect Conservation, Taylor & Francis, 2024, 9781003285793. ⟨10.4324/9781003285793-17⟩. ⟨hal-04615544⟩
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