Heterogeneity within and among co-occurring foundation species increases biodiversity.

Journal Article (Journal Article)

Habitat heterogeneity is considered a primary causal driver underpinning patterns of diversity, yet the universal role of heterogeneity in structuring biodiversity is unclear due to a lack of coordinated experiments testing its effects across geographic scales and habitat types. Furthermore, key species interactions that can enhance heterogeneity, such as facilitation cascades of foundation species, have been largely overlooked in general biodiversity models. Here, we performed 22 geographically distributed experiments in different ecosystems and biogeographical regions to assess the extent to which variation in biodiversity is explained by three axes of habitat heterogeneity: the amount of habitat, its morphological complexity, and capacity to provide ecological resources (e.g. food) within and between co-occurring foundation species. We show that positive and additive effects across the three axes of heterogeneity are common, providing a compelling mechanistic insight into the universal importance of habitat heterogeneity in promoting biodiversity via cascades of facilitative interactions. Because many aspects of habitat heterogeneity can be controlled through restoration and management interventions, our findings are directly relevant to biodiversity conservation.

Full Text

Duke Authors

Cited Authors

  • Thomsen, MS; Altieri, AH; Angelini, C; Bishop, MJ; Bulleri, F; Farhan, R; Frühling, VMM; Gribben, PE; Harrison, SB; He, Q; Klinghardt, M; Langeneck, J; Lanham, BS; Mondardini, L; Mulders, Y; Oleksyn, S; Ramus, AP; Schiel, DR; Schneider, T; Siciliano, A; Silliman, BR; Smale, DA; South, PM; Wernberg, T; Zhang, S; Zotz, G

Published Date

  • January 2022

Published In

Volume / Issue

  • 13 / 1

Start / End Page

  • 581 -

PubMed ID

  • 35102155

Pubmed Central ID

  • PMC8803935

Electronic International Standard Serial Number (EISSN)

  • 2041-1723

International Standard Serial Number (ISSN)

  • 2041-1723

Digital Object Identifier (DOI)

  • 10.1038/s41467-022-28194-y


  • eng