Intraspecific trait variation increases species diversity in a trait-based grassland model

Research output: Journal contributionsJournal articlesResearchpeer-review

Standard

Intraspecific trait variation increases species diversity in a trait-based grassland model. / Crawford, Michael; Jeltsch, Florian; May, Felix et al.
In: Oikos, Vol. 128, No. 3, 01.03.2019, p. 441-455.

Research output: Journal contributionsJournal articlesResearchpeer-review

Harvard

Crawford, M, Jeltsch, F, May, F, Grimm, V & Schlägel, UE 2019, 'Intraspecific trait variation increases species diversity in a trait-based grassland model', Oikos, vol. 128, no. 3, pp. 441-455. https://doi.org/10.1111/oik.05567

APA

Vancouver

Crawford M, Jeltsch F, May F, Grimm V, Schlägel UE. Intraspecific trait variation increases species diversity in a trait-based grassland model. Oikos. 2019 Mar 1;128(3):441-455. doi: 10.1111/oik.05567

Bibtex

@article{5065cef4224643989c5ff560d74bb75d,
title = "Intraspecific trait variation increases species diversity in a trait-based grassland model",
abstract = "Intraspecific trait variation (ITV) is thought to play a significant role in community assembly, but the magnitude and direction of its influence are not well understood. Although it may be critical to better explain population persistence, species interactions, and therefore biodiversity patterns, manipulating ITV in experiments is challenging. We therefore incorporated ITV into a trait- and individual-based model of grassland community assembly by adding variation to the plants{\textquoteright} functional traits, which then drive life-history tradeoffs. Varying the amount of ITV in the simulation, we examine its influence on pairwise-coexistence and then on the species diversity in communities of different initial sizes. We find that ITV increases the ability of the weakest species to invade most, but that this effect does not scale to the community level, where the primary effect of ITV is to increase the persistence and abundance of the competitively-average species. Diversity of the initial community is also of critical importance in determining ITV's efficacy; above a threshold of interspecific diversity, ITV does not increase diversity further. For communities below this threshold, ITV mainly helps to increase diversity in those communities that would otherwise be low-diversity. These findings suggest that ITV actively maintains diversity by helping the species on the margins of persistence, but mostly in habitats of relatively low alpha and beta diversity.",
keywords = "community assembly, individual-based model, intraspecific trait variation, Biology",
author = "Michael Crawford and Florian Jeltsch and Felix May and Volker Grimm and Schl{\"a}gel, {Ulrike E.}",
note = "Publisher Copyright: {\textcopyright} 2018 The Authors",
year = "2019",
month = mar,
day = "1",
doi = "10.1111/oik.05567",
language = "English",
volume = "128",
pages = "441--455",
journal = "Oikos",
issn = "0030-1299",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - Intraspecific trait variation increases species diversity in a trait-based grassland model

AU - Crawford, Michael

AU - Jeltsch, Florian

AU - May, Felix

AU - Grimm, Volker

AU - Schlägel, Ulrike E.

N1 - Publisher Copyright: © 2018 The Authors

PY - 2019/3/1

Y1 - 2019/3/1

N2 - Intraspecific trait variation (ITV) is thought to play a significant role in community assembly, but the magnitude and direction of its influence are not well understood. Although it may be critical to better explain population persistence, species interactions, and therefore biodiversity patterns, manipulating ITV in experiments is challenging. We therefore incorporated ITV into a trait- and individual-based model of grassland community assembly by adding variation to the plants’ functional traits, which then drive life-history tradeoffs. Varying the amount of ITV in the simulation, we examine its influence on pairwise-coexistence and then on the species diversity in communities of different initial sizes. We find that ITV increases the ability of the weakest species to invade most, but that this effect does not scale to the community level, where the primary effect of ITV is to increase the persistence and abundance of the competitively-average species. Diversity of the initial community is also of critical importance in determining ITV's efficacy; above a threshold of interspecific diversity, ITV does not increase diversity further. For communities below this threshold, ITV mainly helps to increase diversity in those communities that would otherwise be low-diversity. These findings suggest that ITV actively maintains diversity by helping the species on the margins of persistence, but mostly in habitats of relatively low alpha and beta diversity.

AB - Intraspecific trait variation (ITV) is thought to play a significant role in community assembly, but the magnitude and direction of its influence are not well understood. Although it may be critical to better explain population persistence, species interactions, and therefore biodiversity patterns, manipulating ITV in experiments is challenging. We therefore incorporated ITV into a trait- and individual-based model of grassland community assembly by adding variation to the plants’ functional traits, which then drive life-history tradeoffs. Varying the amount of ITV in the simulation, we examine its influence on pairwise-coexistence and then on the species diversity in communities of different initial sizes. We find that ITV increases the ability of the weakest species to invade most, but that this effect does not scale to the community level, where the primary effect of ITV is to increase the persistence and abundance of the competitively-average species. Diversity of the initial community is also of critical importance in determining ITV's efficacy; above a threshold of interspecific diversity, ITV does not increase diversity further. For communities below this threshold, ITV mainly helps to increase diversity in those communities that would otherwise be low-diversity. These findings suggest that ITV actively maintains diversity by helping the species on the margins of persistence, but mostly in habitats of relatively low alpha and beta diversity.

KW - community assembly

KW - individual-based model

KW - intraspecific trait variation

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=85056200852&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/2059fd96-21e6-3262-9469-32b33d5c748f/

U2 - 10.1111/oik.05567

DO - 10.1111/oik.05567

M3 - Journal articles

AN - SCOPUS:85056200852

VL - 128

SP - 441

EP - 455

JO - Oikos

JF - Oikos

SN - 0030-1299

IS - 3

ER -

DOI

Recently viewed

Publications

  1. Archives
  2. Working memory capacity and narrative task performance
  3. Continued logarithm representation of real numbers
  4. Interplays between relational and instrumental values
  5. Performance Saga: Interview 06
  6. Multiple
  7. Passive Rotation Compensation in Parallel Kinematics Using Quaternions
  8. Study of non-linear systems
  9. An Experimental Approach to the Optimization of Customer Information at the Point of Sale
  10. Development and validation of chemometrics-assisted spectrophotometry and liquid chromatography methods for the simultaneous determination of the active ingredients in two multicomponent mixtures containing chlorpheniramine maleate and phenylpropanolamine hydrochloride.
  11. The implications of knowledge hiding at work for recovery after work: A diary study
  12. Assessing empirical research on value-based management
  13. Disentangling trade-offs and synergies around ecosystem services with the influence network framework
  14. Acquisitional pragmatics
  15. Embracing scale-dependence to achieve a deeper understanding of biodiversity and its change across communities
  16. Exports and productivity: A survey of the evidence from firm-level data
  17. Leaf trait variation within individuals mediates the relationship between tree species richness and productivity
  18. Current overview of research on priority effects and its relevance to restoration
  19. Decentralized control of assembly processes driven by Gentelligent® Parts
  20. Using latent class analysis to produce a typology of environmental concern in the UK
  21. Conception of an indirectly controlled servo valve for IC engine valve position control
  22. Independence without control
  23. Introduction
  24. Smart cities, smart borders. Sensing networks and security in the urban space
  25. Number theoretical peculiarities in the dimension theory of dynamical systems
  26. Importance of timing
  27. Uncertainty, Pluralism, and the Knowledge-based Theory of the Firm
  28. Mapping of Innovation Relations
  29. Diversity and specialization of host parasitoid interactions in an urban rural interface
  30. Initial evidence for a systematic link between core values and emotional experiences in environmental situations
  31. EEG frequency tagging evidence of intact social interaction recognition in adults with autism
  32. Differences in the earnings distribution of self- and dependent employed German men
  33. Quo Vadis, Umweltinformatik? 6. Workshop
  34. Ecologies of things and texts
  35. Democratization as Human Empowerment
  36. From Feedback to Formative Guidance
  37. Leverage points and levers of inclusive conservation in protected areas
  38. Governance statt Management oder: Management der Governance
  39. A highly endangered species on the edge
  40. Targeted metabolomics of pellicle and saliva in children with different caries activity