2022
DOI: 10.1111/nph.18418
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Changes in trait covariance along an orographic moisture gradient reveal the relative importance of light‐ and moisture‐driven trade‐offs in subtropical rainforest communities

Abstract: A range of functional trait-based approaches have been developed to investigate community assembly processes, but most ignore how traits covary within communities.We combined existing approachescommunity-weighted means (CWMs) and functional dispersion (FDis)with a metric of trait covariance to examine assembly processes in five angiosperm assemblages along a moisture gradient in Australia's subtropics. In addition to testing hypotheses about habitat filtering along the gradient, we hypothesized that trait cova… Show more

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Cited by 9 publications
(4 citation statements)
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“…In this case, trait covariation actually serves as a catalyst, rather than constraint, for some lineages to move into more challenging environments. Nevertheless, trade-offs imposed by competing environmental stressors appear to create slightly more complex dynamics in covariation patterns (Brown et al 2022). Along similar lines, we suggest that increased tradeoffs induced by the flexible and sometimes unpredictable climates occupied by lineages in temperate and mixed temperate-tropical regions lead to a more generally volatile structure of evolutionary covariance.…”
Section: Resultssupporting
confidence: 57%
“…In this case, trait covariation actually serves as a catalyst, rather than constraint, for some lineages to move into more challenging environments. Nevertheless, trade-offs imposed by competing environmental stressors appear to create slightly more complex dynamics in covariation patterns (Brown et al 2022). Along similar lines, we suggest that increased tradeoffs induced by the flexible and sometimes unpredictable climates occupied by lineages in temperate and mixed temperate-tropical regions lead to a more generally volatile structure of evolutionary covariance.…”
Section: Resultssupporting
confidence: 57%
“…However, no significant correlations were found between species diversity and FRic or FEve ( Table 4 ). The weak linkage between species diversity and functional characteristics has been reported in some studies [ 36 , 37 ]. The main reason behind this phenomenon may be related to environmental stress and the community assembly rule.…”
Section: Discussionmentioning
confidence: 96%
“…Second, while our analysis evaluated trait responses to MAP independently of one another, selection operates on multiple traits simultaneously, such that adaption to drought can be achieved through different combinations of strategies (Flores-Moreno et al, 2019). Further analyses using this dataset to investigate how covariance amongst traits varies across environmental gradients (Brown et al, 2022) would yield insight into how these strategies interact to confer plant fitness under different conditions (Fig. S4).…”
Section: Vegetation Modelling and Future Directionsmentioning
confidence: 99%