Evenness modulates effects of the loss of plant litter from rare species on fungal decomposers in tropical streams

Rabelo, Raiane S.; Tonin, Alan M.; Medeiros, Adriana O.; Boyero, Luz; Júnior, José Francisco Gonçalves

doi:10.1016/j.funeco.2023.101275

Cited by 1 publication

(3 citation statements)

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“…Conversely, the extinction of species with distinct sets of characteristics can significantly impact ecosystem functioning, as other species in the community cannot readily replace their unique roles (Lyons et al, 2005;Dee et al, 2019). For example, the absence of plant species with specific chemical attributes in the litter stock in tropical streams may decrease fungal biomass and cause difficulty in leaf decomposition (Rabelo et al, 2022;Rabelo et al, 2023). Thus, while plant species diversity remains a key for aquatic ecosystem functioning, as observed in tropical streams (e.g., Handa et al, 2014), the chemical compounds of the litter stock hold more significant way over the decomposition process than plant diversity alone (Handa et al, 2014;Gonçalves et al, 2017;Rabelo et al, 2022;Rabelo et al, 2023).…”

Section: Litter Chemistry Diversity Vs Plant Species Diversity On Dec...mentioning

confidence: 99%

“…For example, the absence of plant species with specific chemical attributes in the litter stock in tropical streams may decrease fungal biomass and cause difficulty in leaf decomposition (Rabelo et al, 2022;Rabelo et al, 2023). Thus, while plant species diversity remains a key for aquatic ecosystem functioning, as observed in tropical streams (e.g., Handa et al, 2014), the chemical compounds of the litter stock hold more significant way over the decomposition process than plant diversity alone (Handa et al, 2014;Gonçalves et al, 2017;Rabelo et al, 2022;Rabelo et al, 2023). This underscores the importance of considering plant diversity and chemical characteristics in studies of ecological systems.…”

Section: Litter Chemistry Diversity Vs Plant Species Diversity On Dec...mentioning

confidence: 99%

“…The potential loss of rare plant species, particularly prevalent in high-richness tropical ecosystems (Slik et al, 2015), could significantly affect decomposition dynamics (Rabelo et al, 2022) (Figure 1). Moreover, the loss of rare plant species can reduce the fungal biomass production in tropical streams, especially if the natural plant species proportion is preserved (Rabelo et al, 2023). This is because mixtures reflecting an environmental gradient may have a higher occurrence of positive and nonadditive effects and thus favour more microbial growth (Swan et al, 2009).…”

Section: Importance Of Chemical Characteristics From Dominant and Rar...mentioning

confidence: 99%

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Interrelationships among litter chemistry, plant species diversity, and litter decomposition in tropical stream environments: a review

Rabelo,

Sena,

Gonçalves

2024

Front. Geochem.

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Factors that may accelerate decomposition are important for ecosystem functioning since plant litter decomposition is essential for carbon and nutrient cycling, but it is a generally slow process, which can take weeks up to years. In this context, studies have demonstrated that the chemical characteristics of litter mixtures can accelerate decomposition through several mechanisms. Tropical riparian forests are known for their high diversity of tree species, which leads to a wide array of litter types in tropical streams, each with distinct chemical properties. This underscores the key role of litter chemistry in significantly influencing the litter breakdown rate within of these streams. Here, we explore the interplay among litter chemistry, plant species diversity, and litter decomposition in tropical streams. We highlight the importance of litter physical and chemical characteristics for decomposition, as well as of the preservation of the natural floristic composition of tropical riparian forests. In this sense, more attention must be paid to the influence that the environment and phylogeny may have on the phytochemical characteristics of riparian forest plant species in different tropic biomes, and how the insertion of different exotic species interferes with the decomposition process. Furthermore, we emphasize the need for additional research into the consequences of the loss of rare plant species with unique functional characteristics to decomposition in tropical ecosystems.

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Section: Litter Chemistry Diversity Vs Plant Species Diversity On Dec...mentioning

confidence: 99%

Section: Litter Chemistry Diversity Vs Plant Species Diversity On Dec...mentioning

confidence: 99%

Section: Importance Of Chemical Characteristics From Dominant and Rar...mentioning

confidence: 99%

See 1 more Smart Citation

Interrelationships among litter chemistry, plant species diversity, and litter decomposition in tropical stream environments: a review

Rabelo,

Sena,

Gonçalves

2024

Front. Geochem.

Self Cite

View full text Add to dashboard Cite

show abstract

Evenness modulates effects of the loss of plant litter from rare species on fungal decomposers in tropical streams

Cited by 1 publication

References 34 publications

Interrelationships among litter chemistry, plant species diversity, and litter decomposition in tropical stream environments: a review

Interrelationships among litter chemistry, plant species diversity, and litter decomposition in tropical stream environments: a review

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