Meta-analysis reveals weak associations between reef fishes and corals

Muruga, Pooventhran; Siqueira, Alexandre C.; Bellwood, David R.

doi:10.1038/s41559-024-02334-7

Cited by 5 publications

(1 citation statement)

References 117 publications

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“…However, such indirect approaches invariably rely on the existence of strong links between fishes and coral cover, which can be contextdependent and weaker than often assumed (e.g. Wismer et al 2019aWismer et al , 2019bMuruga et al 2024). Indeed, reef fish productivity appears to be more closely related to structural complexity, rather than coral cover (e.g.…”

Section: What Do We Want To Protect On Reefs and Why?mentioning

confidence: 99%

Studying functions on coral reefs: past perspectives, current conundrums, and future potential

Bellwood,

Brandl,

McWilliam

et al. 2024

Coral Reefs

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Function-based studies have opened a new chapter in our understanding of coral reefs. Unfortunately, we are opening this chapter as the world’s reefs rapidly transform. In this context, one of the most important roles of function-based studies is to inform coral reef conservation. At this critical juncture, we have a chance to reflect on where we have come from, and where we are going, in coral reef functional ecology, with specific consideration of what this means for our approaches to conserving reefs. As focal examples, we examine the role of corals on reefs, and the practice of culling crown-of-thorns starfish, from a functional perspective. We also consider how the papers in this special issue build on our current understanding. Ultimately, we highlight how robust scientific investigation, based on an understanding of ecosystem functions, will be key in helping us navigate reefs through the current coral reef crisis.

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Section: What Do We Want To Protect On Reefs and Why?mentioning

confidence: 99%

Studying functions on coral reefs: past perspectives, current conundrums, and future potential

Bellwood,

Brandl,

McWilliam

et al. 2024

Coral Reefs

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The effect of landscape composition, complexity, and heterogeneity on bird richness: a systematic review and meta-analysis on a global scale

Lu,

Jia,

Wang

2024

Landsc Ecol

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Context Birds, as indicators of biodiversity, are experiencing habitat reduction and loss due to landscape changes. Evidence is mounting that the response of bird richness to landscape patterns remains controversial on a global scale. In this study, we conducted a quantitative global synthesis to gain a comprehensive understanding of this relationship. Our findings contribute to the development of bird conservation strategies that align with the objectives of SDG15. Objective Through a quantitative review, this study investigated the effects of landscape patterns on bird richness and analyzed the sources of heterogeneity in the results. Methods A random-effects model was utilized to merge the impacts of landscape metrics on bird richness, and a meta-regression analysis was performed to investigate the origins of heterogeneity. Results The review encompassed 101 articles from 51 countries worldwide. Field sampling emerged as the primary method for acquiring bird data, with multiple linear regression and generalized linear models as the main analytical approaches. The meta-analysis results highlighted landscape area as a crucial factor influencing bird richness. Regarding landscape composition, the proportions of forests, shrublands, and water bodies positively impacted bird richness, while agricultural land and urban land had negative effects. The relationship between landscape complexity and bird richness is influenced by factors, including net primary productivity (NPP) and precipitation. Landscape heterogeneity was identified as a contributing factor to increased species richness. Conclusion Compared to landscape complexity, indicators of landscape composition and heterogeneity are more suitable as reference tools for bird conservation. The results of landscape complexity exhibit variation. Moreover, our findings underscore the crucial role of preserving forested areas in supporting bird diversity, emphasizing the necessity to account for regional variations when establishing forest cover thresholds.

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Decadal decline of functional diversity despite increasing taxonomic and phylogenetic diversity of coral reefs under chronic urbanisation stress

Chan,

Ng,

Tun

et al. 2024

Ecological Indicators

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Meta-analysis reveals weak associations between reef fishes and corals

Cited by 5 publications

References 117 publications

Studying functions on coral reefs: past perspectives, current conundrums, and future potential

Studying functions on coral reefs: past perspectives, current conundrums, and future potential

The effect of landscape composition, complexity, and heterogeneity on bird richness: a systematic review and meta-analysis on a global scale

Decadal decline of functional diversity despite increasing taxonomic and phylogenetic diversity of coral reefs under chronic urbanisation stress

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