2022
DOI: 10.1111/geb.13611
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Examining the diversity, stability and functioning of marine fish communities across a latitudinal gradient

Abstract: Aim: As anthropogenic stressors on the biosphere intensify, understanding how communities respond to disturbances is critical. Biodiversity is often thought to promote the stability of communities over time and enhance ecosystem functioning. However, results have been inconsistent, and the multifaceted linkages among diversity, stability and functioning under acute disturbances remain poorly understood. We experimentally tested the responses of marine fish communities to disturbance (i.e., acute habitat loss) … Show more

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Cited by 4 publications
(3 citation statements)
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“…However, temperature‐mediated reductions in prey species richness and biomass may lead to stronger predation because of decreased resource availability (Hoekman, 2010; O'Connor et al., 2009). This outcome may be more likely in temperate rather than tropical marine systems because competition and predation are likely to be weaker due to lower relative diversity and greater generalism (Pellissier, 2015; Yan et al., 2022).…”
Section: Discussionmentioning
confidence: 99%
“…However, temperature‐mediated reductions in prey species richness and biomass may lead to stronger predation because of decreased resource availability (Hoekman, 2010; O'Connor et al., 2009). This outcome may be more likely in temperate rather than tropical marine systems because competition and predation are likely to be weaker due to lower relative diversity and greater generalism (Pellissier, 2015; Yan et al., 2022).…”
Section: Discussionmentioning
confidence: 99%
“…While environmental stressors are shifting the composition of fish communities, they may also be generating communities that can withstand subsequent disturbance events. Although species richness may not buffer communities against large-scale habitat changes per se (Yan et al, 2022), communities comprising species with diverse habitat/diet preferences may contribute to the stability in ecosystem functioning via the 'portfolio effect' (Schindler et al, 2010(Schindler et al, , 2015. For example, the loss of corals has been associated with a shift in fisheries catch composition (Robinson et al, 2019) and trophic-specific community size structuring (Rogers et al, 2018), yet the total biomass yield in both instances has remained relatively stable (or increasing).…”
Section: Ecological Thresholdsmentioning
confidence: 99%
“…Although high‐diversity systems may be able to resist some of these impacts (Craven et al, 2018; Shurin et al, 2007), it is unclear whether biodiversity can bolster the functioning of degraded systems (e.g. Yan et al, 2022). Given the magnitude at which we are transforming ecosystem structures (Halpern et al, 2008; Sala et al, 2000), understanding the flow‐on effects of changes in habitat configurations on critical ecosystem functions and services should be at the forefront of modern‐day conservation and management actions.…”
Section: Introductionmentioning
confidence: 99%