Biota‐mediated carbon cycling—A synthesis of biotic‐interaction controls on blue carbon

Ren, Linjing; Jensen, Kai; Porada, Philipp; Mueller, Peter

doi:10.1111/ele.13940

Cited by 28 publications

(21 citation statements)

References 197 publications

(252 reference statements)

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“…In salt marshes and mangroves, the trapping of particles increases the bed-level, thereby reducing inundation stress (51). Moreover, reciprocal facilitation between coastal vegetation and associated biota can further amplify carbon storage (52,53). Finally, an increasing number of studies highlight the importance of landscape-scale reciprocal interactions between coastal ecosystems.…”

Section: Coastal Wetlandsmentioning

confidence: 99%

Recovering wetland biogeomorphic feedbacks to restore the world’s biotic carbon hotspots

Temmink

Lamers

Angelini

et al. 2022

Science

143

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Biogeomorphic wetlands cover 1% of Earth’s surface but store 20% of ecosystem organic carbon. This disproportional share is fueled by high carbon sequestration rates and effective storage in peatlands, mangroves, salt marshes, and seagrass meadows, which greatly exceed those of oceanic and forest ecosystems. Here, we review how feedbacks between geomorphology and landscape-building vegetation underlie these qualities and how feedback disruption can switch wetlands from carbon sinks into sources. Currently, human activities are driving rapid declines in the area of major carbon-storing wetlands (1% annually). Our findings highlight the urgency to stop through conservation ongoing losses and to reestablish landscape-forming feedbacks through restoration innovations that recover the role of biogeomorphic wetlands as the world’s biotic carbon hotspots.

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Section: Coastal Wetlandsmentioning

confidence: 99%

Recovering wetland biogeomorphic feedbacks to restore the world’s biotic carbon hotspots

Temmink

Lamers

Angelini

et al. 2022

Science

143

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“…Changes in behaviors that alter species interactions influence ecological processes, such as the flow of energy and matter through the food web and between habitats and ecosystems. These ecological effects are often mediated by consumers, including detritivores, (Ren et al, 2022). For instance, a change in the foraging behavior and top-down control of consumers influences not only the biomass of lower trophic levels, but also biogeochemical cycles, such as the cycling of nutrients, carbon, and water through the ecosystem.…”

Section: Biogeochemical Cycles and Abiotic Conditionsmentioning

confidence: 99%

“…If altered consumer behavior influences the biomass of primary producers, the rate of assimilation can change and further alter biogeochemical cycles (Bakker et al, 2016;Ren et al, 2022). Similarly, changes in the behavior of consumers can influence respiration rate and the carbon dissimilatory process, through changes in their own metabolism and in the abundance and activity of other species.…”

Section: Biogeochemical Cycles and Abiotic Conditionsmentioning

confidence: 99%

“…Similarly, changes in the behavior of consumers can influence respiration rate and the carbon dissimilatory process, through changes in their own metabolism and in the abundance and activity of other species. Changes in consumer behavior can also influence decomposition and abiotic conditions, such as oxygen availability (Ren et al, 2022). For instance, reduced burial activity of polychetes in aquatic sediments (bioturbation) reduces oxygen availability for other organisms in the sediments, which in turn reduces their decomposition activity (Kristensen, 2000).…”

Section: Biogeochemical Cycles and Abiotic Conditionsmentioning

confidence: 99%

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Linking animal behavior to ecosystem change in disturbed environments

Rahman

Candolin

2022

Front. Ecol. Evol.

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Environmental disturbances often cause individuals to change their behavior. The behavioral responses can induce a chain of reactions through the network of species interactions, via consumptive and trait mediated connections. Given that species interactions define ecosystem structure and functioning, changes to these interactions often have ecological repercussions. Here, we explore the transmission of behavioral responses through the network of species interactions, and how the responses influence ecological conditions. We describe the underlying mechanisms and the ultimate impact that the behavioral responses can have on ecosystem structure and functioning, including biodiversity and ecosystems stability and services. We explain why behavioral responses of some species have a larger impact than that of others on ecosystems, and why research should focus on these species and their interactions. With the work, we synthesize existing theory and empirical evidence to provide a conceptual framework that links behavior responses to altered species interactions, community dynamics, and ecosystem processes. Considering that species interactions link biodiversity to ecosystem functioning, a deeper understanding of behavioral responses and their causes and consequences can improve our knowledge of the mechanisms and pathways through which human activities alter ecosystems. This knowledge can improve our ability to predict the effects of ongoing disturbances on communities and ecosystems and decide on the interventions needed to mitigate negative effects.

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“…However, the contributions of burrowing crabs to sediment and nutrient turnover in coastal ecosystems are unclear. This has created a gap in the understanding of the links between the micro behavior of small animals and the macroscopic ecological processes of ecosystems (Ren et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Crab contributions as an ecosystem engineer to sediment turnover in the Yellow River Delta

Xie

Wang

et al. 2022

Front. Mar. Sci.

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Burrowing crabs are widely distributed and have large populations in estuarine wetlands. Crab excavation can have potentially significant bioturbation effects on the vertical structure of sediments, and the processes of nutrients deposition and mineralization. However, the effects of crab micro activities on the geochemical cycling processes of the whole estuarine ecosystems are not clear, specifically the contributions of burrowing crabs to sediment and nutrients turnover in coastal ecosystems. Due to the lack of knowledge on crab burrowing behavior and borrow morphology, it is difficult to accurately estimate the excavation and turnover volumes of crabs. Therefore, this study examined the bioturbation activity of the crab Helice tientsinensis in western Pacific estuary ecosystems by analyzing their burrow morphology and local sediment properties. The common burrow shapes of Helice tientsinensis were J- and Y-shaped burrows. Burrow morphological characteristics such as total burrow depth, curve burrow length, burrow volume, and opening diameter significantly differed among tidal zones. Crab carapace size, water depth, soil hardness, and bulk density were the main factors driving burrow morphology. Sediment excavation by crabs was ~50 times greater than the deposition of sediment into crab burrows. The net transported amounts of sediment (31.66–33.18 g·d-1·m-2) and nutrients (total nitrogen: 0.075–0.090 g·d-1·m-2, total carbon: 3.96–4.55 g·d-1·m-2, and organic matter: 0.44–0.77 g·d-1·m-2) were mainly from the belowground sediment to the surface. These results highlighted the important role of crabs in sediment and nutrients cycling within coastal estuary ecosystems.

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Biota‐mediated carbon cycling—A synthesis of biotic‐interaction controls on blue carbon

Cited by 28 publications

References 197 publications

Recovering wetland biogeomorphic feedbacks to restore the world’s biotic carbon hotspots

Recovering wetland biogeomorphic feedbacks to restore the world’s biotic carbon hotspots

Linking animal behavior to ecosystem change in disturbed environments

Crab contributions as an ecosystem engineer to sediment turnover in the Yellow River Delta

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