Ecological Research最新文献

{"title":"Aboveground biomass estimation of an old‐growth mangrove forest using airborne LiDAR in the Philippines","authors":"Mohammad Shamim Hasan Mandal, Rempei Suwa, Rene N. Rollon, Giannina Marie G. Albano, Green Ann A. Cruz, Kenji Ono, Yasmin H. Primavera‐Tirol, Ariel C. Blanco, Kazuo Nadaoka","doi":"10.1111/1440-1703.12503","DOIUrl":"https://doi.org/10.1111/1440-1703.12503","url":null,"abstract":"Monitoring mangrove forest biomass is vital for assessing their carbon sequestration potential. This study uses airborne LiDAR data to estimate the aboveground biomass (<jats:italic>AGB</jats:italic>) of an old‐growth mangrove forest in the Katunggan It Ibajay Ecopark (KII Ecopark) on Panay Island, Philippines. To establish a relationship between the LiDAR canopy height profile with the field observed <jats:italic>AGB</jats:italic> at the plot level, we tested 20 LiDAR derived relative height (<jats:italic>RH</jats:italic>) metrics. First, we tested a relationship between field observed Lorey's mean canopy height (<jats:italic>H</jats:italic><jats:sub>m</jats:sub>) and <jats:italic>RH</jats:italic> metrics, which were then used to estimate <jats:italic>AGB</jats:italic> by applying a previously established allometric model. Second, we tested the direct relationship between <jats:italic>RH</jats:italic> metrics and observed <jats:italic>AGB</jats:italic>. Among <jats:italic>RH</jats:italic> metrics, <jats:italic>RH</jats:italic><jats:sub>95</jats:sub> showed the best correspondence with the <jats:italic>H</jats:italic><jats:sub>m</jats:sub> (<jats:italic>R</jats:italic><jats:sup>2</jats:sup> = 0.79) and when it was applied to the previously developed allometric for <jats:italic>AGB</jats:italic> estimation, the results showed a large underestimation of <jats:italic>AGB</jats:italic> (<jats:italic>R</jats:italic><jats:sup>2</jats:sup> = 0.46) for plots with higher canopy heights. Conversely, the direct method using a power regression model with <jats:italic>RH</jats:italic><jats:sub>95</jats:sub> and observed <jats:italic>AGB</jats:italic> provided a better estimate (<jats:italic>R</jats:italic><jats:sup>2</jats:sup> = 0.58). However, both models still underestimated <jats:italic>AGB</jats:italic> at the KII Ecopark. We conclude that, LiDAR‐based <jats:italic>AGB</jats:italic> estimation using <jats:italic>H</jats:italic><jats:sub>m</jats:sub> as a single variable can result in considerable underestimation, especially in old‐growth mangrove forests such as KII Ecopark. Further studies are necessary to develop accurate models for estimating <jats:italic>AGB</jats:italic> in such special types of mangroves which is important for mangrove monitoring, reporting and verification (MRV).","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"20 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141576906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Soil type and precipitation level have a greater influence on fungal than bacterial diversity in serpentine and non-serpentine biological soil crusts","authors":"Danielle Botha,&nbsp;Sandra Barnard,&nbsp;Sarina Claassens,&nbsp;Nishanta Rajakaruna,&nbsp;Arthurita Venter,&nbsp;Arshad Ismail,&nbsp;Mushal Allam,&nbsp;Stefan J. Siebert","doi":"10.1111/1440-1703.12500","DOIUrl":"10.1111/1440-1703.12500","url":null,"abstract":"<p>Serpentine soils are characterized by nutrient imbalances and high levels of potentially toxic metals (PTMs). These soils host depauperate plant communities of species with specialized adaptations. Initial studies showed that South African serpentine soils harbor distinct biocrust algal and cyanobacterial species compared to adjacent non-serpentine soils, with these communities further differing based on high and low precipitation levels. Here, we investigated the bacterial and fungal diversity of biological soil crusts from serpentine and non-serpentine soils at two precipitation levels. The bacterial and fungal communities were characterized using 16S rDNA and ITS metabarcoding, respectively. No significant differences could be found in bacterial richness and community structure. Nevertheless, bacterial taxa such as <i>Archangium</i>, <i>Candidatus Solibacter</i>, <i>Chthoniobacter</i>, and <i>Microvirga</i> were more abundant in serpentine biocrusts or biocrusts receiving lower precipitation. The fungal community structure was distinct between serpentine and non-serpentine soils (<i>p</i> = 0.027) and between high and low precipitation (<i>p</i> = 0.018). Furthermore, fungal diversity was lowest in the drier, serpentine biocrusts compared to non-serpentine (<i>p</i> = 0.001) and serpentine crusts receiving higher precipitation (<i>p</i> = 0.002). The fungal genera, <i>Ramimonilia</i> and <i>Vishniacozyma</i>, which are known to be resistant or tolerant to PTMs and other environmental extremes, were significantly more abundant (<i>p</i> = 0.036 and <i>p</i> = 0.016, respectively) in serpentine biocrusts, with the latter indicating serpentine habitats. This study concluded that soil type influenced the fungal alpha diversity, specifically in the serpentine soil, resulting in a decrease in fungal species richness. Furthermore, precipitation influenced fungal beta diversity by shaping distinct fungal communities found in the biocrusts of serpentine and non-serpentine soils.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 6","pages":"862-878"},"PeriodicalIF":1.7,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12500","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141519156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Breeding records of 325 bird species from Peru over 21 years based on citizen science data","authors":"Alexis Díaz,&nbsp;Edson Amanqui,&nbsp;Keyko Geraldy Saravia-Llaja,&nbsp;Jhon Raúl Mandujano Collantes,&nbsp;Mirian Jiménez,&nbsp;Ricardo Zárate-Gómez,&nbsp;Florangel Condo","doi":"10.1111/1440-1703.12496","DOIUrl":"10.1111/1440-1703.12496","url":null,"abstract":"<p>Breeding is a key component of the life history of birds. Documenting diverse aspects of their breeding biology provides valuable natural history data that can be used to address questions of evolutionary, ecological, or conservation significance. Despite its importance, this information is scarce for most Neotropical species. We compiled 1180 breeding records corresponding to 325 bird species for the period 2000–2021, through an in-depth review of photo or video records from Peru, sourced from Macaulay Library and iNaturalist platforms. We determined the geographical distribution of the breeding records, described patterns of activity and nesting behavior (i.e., host plant preference and clutch size), and explored the timing of breeding. Our study represents one of the few efforts to provide nationwide data on breeding birds in the Neotropical region. We also offer broad taxonomic coverage for further studies interested in testing hypotheses on the variation of reproductive traits and timing at both local and regional scales. The complete data set for this abstract published in the Data Article section of the journal is available in electronic format in MetaCat in JaLTER at http://db.cger.nies.go.jp/JaLTER/metacat/metacat/ERDP-2024-07.1/jalter-en.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"789-799"},"PeriodicalIF":1.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12496","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141519158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metal hyperaccumulation in the Indonesian flora","authors":"Francis Q. Brearley","doi":"10.1111/1440-1703.12497","DOIUrl":"10.1111/1440-1703.12497","url":null,"abstract":"<p>In this review, I examined the number, distribution, and metal concentrations of all known metal hyperaccumulator plants from Indonesia. In total, 72 hyperaccumulator taxa were found: 19 accumulated Ni, 42 accumulated Al, 7 accumulated Cu, 2 accumulated Zn, and 2 accumulated Co in addition to Ni. There were six hypernickelophores with greater than 1% foliar nickel and with potential for agromining. Less than 10% of the hyperaccumulator species were single island endemics, and only one had an endangered status. Given that many species were only recorded from locations with mining activity, conservation assessments and actions should urgently be undertaken. There are undoubtedly many more hyperaccumulators to be found across Indonesia that will be discovered with further inter-disciplinary surveys.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 6","pages":"957-965"},"PeriodicalIF":1.7,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12497","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Utilization of abandoned land as cattle grazing restores butterfly and flowering plant diversities in Japan","authors":"Naoyuki Nakahama,&nbsp;Tomo Hamano,&nbsp;Mari Fujimoto,&nbsp;Akifumi Eto","doi":"10.1111/1440-1703.12494","DOIUrl":"10.1111/1440-1703.12494","url":null,"abstract":"<p>Abandoned land management threatens the maintenance of the diversity of flower-visiting insects and flowering plants. In recent years, cattle grazing on abandoned land has been practiced in Japan to utilize the abandoned land and reduce cattle feed costs. It is important to elucidate the restoration effects that cattle grazing has on the biodiversity of abandoned lands in warm, humid climate regions, such as Japan. However, there are limited case studies that examine the restoration effects on flower-visiting insects and flowering plants in Japan. In this study, we examined the effects of Tajima cattle grazing on the species richness and abundance of butterflies and flowering plants in abandoned lands in Muraoka-ku, Kami Town, Hyogo Prefecture, Japan. Our results revealed that the vegetation height was lower and species richness and abundance of butterflies and flowering plants was higher in the grazing lands. However, the abandoned lands had a higher vegetation height and significantly lower species richness and abundance of butterfly and flowering plant. Grazing pressure positively and significantly affected the species richness and abundance of butterfly and flowering plant. These results indicate that grazing increased the species richness and abundance of butterfly and flowering plant. There was no significant difference in the species composition between the grazing and abandoned lands, and no significant indicator species were detected in the abandoned lands. We conclude that Tajima cattle grazing systems on abandoned lands can restore the species richness and abundance of butterfly as well as flowering plants.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"730-743"},"PeriodicalIF":1.7,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141529298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The long-term drive count and culling data of the sika deer (Cervus nippon) population introduced on Nakanoshima Island in Lake Toya, Hokkaido, Japan, during 1980–2023","authors":"Hiromasa Igota,&nbsp;Hiroshi Takahashi,&nbsp;Yukiko Matsuura,&nbsp;Takashi Ikeda,&nbsp;Takuma Watanabe,&nbsp;Koichi Kaji","doi":"10.1111/1440-1703.12488","DOIUrl":"10.1111/1440-1703.12488","url":null,"abstract":"<p>Cervid populations introduced to favorable habitats in confinement often increase excessively without predators and hunting. Overabundant deer populations impact the ecosystems and may cause damages to agriculture and forestry. Long-term count data on the changes in a deer population is essential to understand the relationship between the population dynamics and the natural vegetation. The introduced sika deer (<i>Cervus nippon</i> Temminck, 1836) population without predators on Nakanoshima Island, Hokkaido, Japan, showed repeated irruptions and declines with mass mortality and irregular culling between 1980s and 2000s. The overabundant deer significantly altered the natural vegetation, and density-dependent changes in population parameters such as body size and reproduction were observed. Here, we present the drive count and culling data to examine the population dynamics during 1980–2023. Deer were counted by 20–30 walking drivers and 2–3 observers on boats once per year in February or March. The number of counted deer rapidly increased from the original three introduced around 1960 to &gt;270 deer (the first peak) in two decades and decreased by half due to starvation and the first culling. Thereafter, the number of counted deer continued to increase with a lower growth rate, reached a higher peak (&gt;400, the second peak) than the first irruption in two decades, and decreased again by half due to starvation and the second culling. Although the number of counted deer increased again up to &gt;300 in several years, it decreased and was maintained at around 100 deer with the annual culling program since 2012. The complete data set for this abstract published in the Data Article section of the journal is available in electronic format in MetaCat in JaLTER at http://db.cger.nies.go.jp/JaLTER/metacat/metacat/ERDP-2024-06.1/jalter-en.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"775-781"},"PeriodicalIF":1.7,"publicationDate":"2024-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multimammate rat (Mastomys erythroleucus) capture-mark-recapture data in Bandia (Senegal) between 1984 and 2012","authors":"Laurent Granjon,&nbsp;Khalilou Bâ,&nbsp;Youssoupha Niang,&nbsp;Yves Papillon,&nbsp;Jean-Marc Duplantier","doi":"10.1111/1440-1703.12490","DOIUrl":"10.1111/1440-1703.12490","url":null,"abstract":"<p>Long-term ecological data are of paramount importance to document the effects of global changes on biodiversity and dynamics of populations and communities. The site of Bandia, 70 km southeast of Dakar in western Senegal, has been the scene of numerous ecological studies since the 1970s. In the frame of projects led by researchers of the <i>Institut de Recherche pour le Développement</i> (IRD), rodent populations were monitored at various periods using capture-mark-recapture (CMR) protocols on trapping grids that yielded important datasets on population dynamics and ecology of the main species present. Among them, the Guinea Multimammate Rat <i>Mastomys erythroleucus</i> proved to represent the dominant species. Thus, CMR data were collected on <i>M. erythroleucus</i> between (i) November 1975–March 1981, (ii) January 1983–October 1986, (iii) January 1997–April 2001, and (iv) June 2007–June 2012. Raw data from the 1975–1981 period were not available, but those from the three other periods are now in the IRD data repository DataSuds at https://doi.org/10.23708/YEA5AR. They represent 2556 (re)captures of 1296 <i>M. erythroleucus</i> individuals. They include the identity of each animal captured with some biological attributes (sex, weight at first capture, and reproductive activity), exact date and point of capture (via a trap-specific code) at each trapping occasion, and additional comments that may help to interpret the data. This dataset concerning one of the most widespread rodent species of the Sahelo-Sudanian bioclimatic belt provides information that can be used to address various questions such as outbreak prediction or effects of climate change. The complete data set for this abstract published in the Data Article section of the journal is also available in electronic format in MetaCat in JaLTER at http://db.cger.nies.go.jp/JaLTER/metacat/metacat/ERDP-2024-05.1/jalter-en.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"782-788"},"PeriodicalIF":1.7,"publicationDate":"2024-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12490","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"General and specific effects of foundation species on the structure of alpine-fellfield communities in the Taisetsu Mountains, northern Japan","authors":"Zaal Kikvidze,&nbsp;Gaku Kudo,&nbsp;Maki Suzuki,&nbsp;Yoshiko Shimono,&nbsp;Mikio Sukeno","doi":"10.1111/1440-1703.12498","DOIUrl":"10.1111/1440-1703.12498","url":null,"abstract":"<p>The great majority of studies on foundation species focused on a single dominant plant in a community, while more than one such species can often coexist and compete for space and limited resources. Morphologically different coexisting foundation species can create diverse niches occupied by different subsets of beneficiary species. To test this hypothesis, we sampled alpine plant communities at exposed fellfields in alpine zone, in the Taisetsu Mountains (Hokkaido, northern Japan), with coexisting putative foundation species <i>Pinus pumila</i> (evergreen shrub) and <i>Diapensia lapponica</i> (evergreen cushion-forming shrub), and analyzed their spatial relationships with other plants. Preliminary vegetation survey indicated that fruticose lichens and <i>Loiseleuria procumbens</i> (evergreen mat-forming shrub) might also act as a foundation species; thus, we included them in our analyses. The coexisting foundation species had both general as well as specific effects on plant community structure. Namely, almost all the members of the community aggregated spatially with lichens, while the other foundation species were spatially segregated from each other. These foundation plants associated with different members of the community, thus showing species-specific effects on the community structure. Blooming species showed even stronger patterns of species-specific spatial associations, suggesting that foundation species had beneficial effects on their associated species. We conclude that the focus on coexisting foundation species can reveal important details of community structure which would be hidden if we treated all species as equal members of the community. Studying the effects of coexisting foundation species could greatly advance our understanding of how species diversity functions in plant communities.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"744-756"},"PeriodicalIF":1.7,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141519157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Herbarium and field studies of nickel hyperaccumulator plants from ultramafic soils in Guatemala","authors":"Haley P. Disinger,&nbsp;Dulce Montserrat Navarrete Gutiérrez,&nbsp;Alicia Maríasol Díaz Reyes,&nbsp;Rosario Rodas Duarte,&nbsp;Maura L. Quezada,&nbsp;Antony van der Ent,&nbsp;Alan J. M. Baker,&nbsp;Guillaume Echevarria,&nbsp;A. Joseph Pollard","doi":"10.1111/1440-1703.12495","DOIUrl":"https://doi.org/10.1111/1440-1703.12495","url":null,"abstract":"<p>Until 2019, there were no published reports of trace element hyperaccumulation in the plants of Central America or Mexico. Recent reports, based mostly on measurement of herbarium specimens using x-ray fluorescence (XRF) spectroscopy, have begun to identify hyperaccumulators of nickel (Ni) in this region. The most extensive deposits of Ni-rich ultramafic rocks and soils in Central America occur along the Polochic-Motagua fault system in eastern Guatemala. This study focused on discovery and characterization of new hyperaccumulators in Guatemala, starting with surveys of herbarium specimens, followed by field studies to understand the ultramafic soils of the region and the ecology of hyperaccumulators that occur there. Initial XRF screening at the Missouri Botanical Garden Herbarium, along with two herbaria in Guatemala, identified four previously unreported Ni hyperaccumulators—<i>Arachnothryx linguiformis</i>, <i>Arachnothryx buddleioides</i>, <i>Chionanthus panamensis</i>, and <i>Orthion guatemalense</i>. Field studies in Guatemala characterized the communities in which these species occur, some of which include multiple hyperaccumulator species growing in close proximity. In two taxa that showed phenotypic variation in foliar Ni concentration, there was no statistically significant correlation between Ni concentrations in leaves and either the total or DTPA-extractable Ni in soils, suggesting that other genetic or environmental variables may influence hyperaccumulation.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 6","pages":"838-851"},"PeriodicalIF":1.7,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12495","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142748939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden","authors":"Ryo Nakahata,&nbsp;Wakana A. Azuma,&nbsp;Tomoko Tanabe,&nbsp;Kiyosada Kawai,&nbsp;Tsutom Hiura","doi":"10.1111/1440-1703.12492","DOIUrl":"10.1111/1440-1703.12492","url":null,"abstract":"<p>Fine root morphological traits regulate the belowground resource acquisition strategies of trees. Therefore, investigating genotypic variations isolated from environmental variations within tree species helps in understanding how genotypic backgrounds affect intragenerational tree acclimation to the growing environment. Thus, this study aimed to clarify the effects of genotypic variations on the fine root morphology of three types of Japanese cedar (<i>Cryptomeria japonica</i>), which were derived from different provenances but were grown in a common garden. In the three geographically different provenances of <i>C. japonica</i> stands (Yanase, Yoshino, and Yaku), fine root morphological traits, such as root length and diameter and specific root length (SRL), were measured for each root up to the 4th branching order. Yaku cedar exhibited root traits distinct from the other provenances, such as growing longer and thinner roots in 1st root order to enhance root surface area. In addition, the SRL patterns with root orders and higher root tissue density suggested a resource conservation strategy. Yanase cedar demonstrated a significantly higher root branching ratio and specific root tips than the other provenances, indicating a strategy for investing resources in absorptive roots. Although Yoshino cedar had traits similar to those of Yanase cedar or intermediate between Yanase and Yaku cedars, high aboveground production may be achieved through nutrient acquisition with root exudates instead of absorptive root growth. Genotypic variations appeared in fine root morphological traits of <i>C. japonica</i> trees, even when grown in the same environments, implying distinct resource acquisition strategies characterized by each provenance.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"717-729"},"PeriodicalIF":1.7,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12492","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141361441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}