{"title":"The cumulative effects of precipitation determine the occurrence of Tricholoma matsutake fruiting bodies","authors":"Yuuki Tsunoda , Ayu Narita , Kei Kitamura , Seiki Gisusi","doi":"10.1016/j.funeco.2025.101415","DOIUrl":null,"url":null,"abstract":"<div><div>Understanding the factors influencing mushroom occurrence is essential for advancing mushroom ecology and informing forest management practices. In this study, we hypothesized and demonstrated that the daily number of <em>Tricholoma matsutake</em> fruiting bodies is determined by the cumulative effect size of the antecedent precipitation index (<em>API</em>) up to the occurrence date. We employed a Bayesian approach with a state-space model for the analysis. Our results demonstrated a significant relationship between the number of fruiting bodies and <em>API</em>, with the cumulative effect size of <em>API</em> accurately predicting the number of fruiting bodies (<em>R</em><sup>2</sup> = 0.89). Furthermore, the effect size on fruiting body number fluctuated daily, peaking 12 days before occurrence, and was 4.14 times that on the occurrence day and 19.98 times that 30 days prior at an <em>API</em> of 20 mm. These findings highlight the crucial role of precipitation in <em>T. matsutake</em> fruiting.</div></div>","PeriodicalId":55136,"journal":{"name":"Fungal Ecology","volume":"75 ","pages":"Article 101415"},"PeriodicalIF":1.9000,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fungal Ecology","FirstCategoryId":"93","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1754504825000054","RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Understanding the factors influencing mushroom occurrence is essential for advancing mushroom ecology and informing forest management practices. In this study, we hypothesized and demonstrated that the daily number of Tricholoma matsutake fruiting bodies is determined by the cumulative effect size of the antecedent precipitation index (API) up to the occurrence date. We employed a Bayesian approach with a state-space model for the analysis. Our results demonstrated a significant relationship between the number of fruiting bodies and API, with the cumulative effect size of API accurately predicting the number of fruiting bodies (R2 = 0.89). Furthermore, the effect size on fruiting body number fluctuated daily, peaking 12 days before occurrence, and was 4.14 times that on the occurrence day and 19.98 times that 30 days prior at an API of 20 mm. These findings highlight the crucial role of precipitation in T. matsutake fruiting.
期刊介绍：
Fungal Ecology publishes investigations into all aspects of fungal ecology, including the following (not exclusive): population dynamics; adaptation; evolution; role in ecosystem functioning, nutrient cycling, decomposition, carbon allocation; ecophysiology; intra- and inter-specific mycelial interactions, fungus-plant (pathogens, mycorrhizas, lichens, endophytes), fungus-invertebrate and fungus-microbe interaction; genomics and (evolutionary) genetics; conservation and biodiversity; remote sensing; bioremediation and biodegradation; quantitative and computational aspects - modelling, indicators, complexity, informatics. The usual prerequisites for publication will be originality, clarity, and significance as relevant to a better understanding of the ecology of fungi.
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