Short Notes on Theories of Species Diversity

Yamauchi, Atsushi; Tokita, Kei; Namba, Tsunehisa; Chon, Tae-Soo

doi:10.1007/978-981-16-4457-3_3

Creative Complex Systems

2021

DOI: 10.1007/978-981-16-4457-3_3

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Short Notes on Theories of Species Diversity

Atsushi Yamauchi

Kei Tokita

Tsunehisa Namba

et al.

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2023

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Species abundance distributions (SADs) characterize the properties of species diversity within communities, and ecologists have long aimed at extracting ecological insight from SADs (McGill et al, 2007;Yamauchi, Tokita, et al, 2021). The shape and nature of a given SAD vary with region, taxonomy, and community history (Magurran, 2004).

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Competition model explains trends of long‐term fertilization in plant communities

Yamauchi

Ito

Shibasaki

2023

Ecology and Evolution

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Over 40 years ago, Kempton ( Biometrics , 35 , 1979, 307) reported significant modification to plant community structure following a long‐term fertilization experiment. Many researchers have investigated this phenomenon in the years since. Collectively, these studies have shown consistent shifts in rank abundance relationships among species in communities following fertilization. The previous studies indicated that fertilization affects community structure through several critical processes, including trait‐based functional response, reordering of species in rank abundance diagram (RAD), and niche dimensionality, although some questions have remained. How does the species reordering driven by the plant responses cause characteristic trends in temporal changes of RAD? Why are those trends ubiquitous in various systems? To answer those questions, we theoretically investigated the effects of fertilization on community structure based on a colonization model (or Levins model) with competition–fecundity trade‐offs, which can result in the coexistence of multiple species under competition. The model represents characteristic RAD, which can be an adequate tool to study community composition. Our theoretical model comprehensively represents observed trends in rank abundance relationships following long‐term fertilization and suggests that competitive interactions among species are a critical factor in structuring species diversity in plant communities.

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confidence: 99%

Competition model explains trends of long‐term fertilization in plant communities

Yamauchi

Ito

Shibasaki

2023

Ecology and Evolution

Self Cite

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Short Notes on Theories of Species Diversity

Cited by 1 publication

References 94 publications

Competition model explains trends of long‐term fertilization in plant communities

Competition model explains trends of long‐term fertilization in plant communities

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