Journal of Vegetation Science最新文献

{"title":"Rarity and Sparseness in Plant Communities: Impact of Minor Species Removal on Beta Diversity and Canonical Ordination","authors":"François Gillet,&nbsp;Adeline Rouzet,&nbsp;Daniel Borcard,&nbsp;Pierre Legendre","doi":"10.1111/jvs.70013","DOIUrl":"https://doi.org/10.1111/jvs.70013","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Question</h3>\u0000 \u0000 <p>Among the “minor” species present in communities, we distinguish between true “rare” species, with infrequent occurrence (low occupancy) in a given regional data set, and “sparse” species, which may be present over most of the study area, but with low local abundance. Do rare and sparse species play a different role in the evaluation of beta diversity and in the constrained ordination of plant community data sets?</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Based on their positions in the abundance-occupancy scatterplots of six contrasted vegetation data sets, we distinguished core, rural, urban, and satellite species. To disentangle the role of rarity and sparseness, we applied to each data set a progressive removal of either the least frequent or the least locally abundant species. We assessed impacts on beta diversity (<i>q</i> = 0, 1 and 2), and on model performance of RDA, without or after pretransformation of absolute cover values.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Multiplicative beta diversity decreased with the number of removed rare species, with slightly higher values for <i>q</i> = 2, whereas it increased when removing sparse species, with much higher values for <i>q</i> = 0. With raw data or after binary or by-site transformation, the fraction of variation explained by RDA increased only slightly when removing rare species, with a more sensible increase of the relative contribution of the first canonical axis. By contrast, progressive elimination of sparse species, which mimics a lower sampling effort within each community, negatively affected model performance. Generally, the removal of rare species clearly improved the performance of RDA after double transformation (chi-square transformation), contrary to the removal of sparse species.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The frequently observed positive correlation between occupancy and abundance hides profound differences with critical impacts on vegetation analysis. Providing that meaningful transformations are applied, there is no need to remove rare species prior to RDA. Focusing only on abundant species during sampling is likely to limit the performance of ecological empirical models.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Degradation of Arbuscular Mycorrhizal Symbiosis: A Mechanism Underlying Cynodon dactylon Invasion in Grasslands?","authors":"Silvina García,&nbsp;Fabiana Pezzani,&nbsp;Anaclara Guido,&nbsp;Fernando A. Lattanzi","doi":"10.1111/jvs.70010","DOIUrl":"https://doi.org/10.1111/jvs.70010","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Questions</h3>\u0000 \u0000 <p>Degradation of facilitative interactions of native species can play an important role in the establishment and expansion of invasive plants in communities. We evaluated the relationship between the level of invasion of <i>Cynodon dactylon</i> and the arbuscular mycorrhizal colonization of the native <i>Paspalum notatum</i> in Uruguayan grasslands, which were either extensively managed (natural vegetation [NG]) or oversown with exotic legumes and fertilized with phosphorus (NG + LP). Specifically, we investigated whether increasing invasion levels were associated with reductions in <i>P. notatum</i> mycorrhizal colonization, growth, and nutrient content.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Uruguayan grasslands of Río de la Plata grasslands region.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two paddocks with 19 and 27 years under NG + LP management were selected contiguous to two paddocks with NG management. In each paddock, we collected nine monoliths (0.2 m diameter × 0.3 m depth) that had <i>P. notatum</i> and increasing percentages of <i>C. dactylon</i> cover, classified as low (0%–10%), medium (30%–50%), or high (70%–90%) invasion levels. After 10 months of uninterrupted growth, shoot mass, phosphorus and nitrogen shoot concentration, and arbuscular mycorrhizal colonization were assessed in <i>P. notatum</i> plants.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Mycorrhization decreased with increasing <i>C. dactylon</i> invasion. This was greater in more intensively managed grasslands (NG + LP). However, lower arbuscular mycorrhizal colonization was not associated with either lower aboveground growth or phosphorus or nitrogen shoot concentration. Furthermore, at low invasion levels, mycorrhizal colonization was similar between NG and NG + LP, despite their contrasting soil P availability.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The presence of arbuscular mycorrhizae in the target native grass <i>P. notatum</i> was negatively associated with the invasion level of <i>C. dactylon.</i> Therefore, mutualism degradation might be a mechanism underlying the success of <i>C. dactylon</i> invading grasslands, particularly those intensively managed, albeit probably not via phosphorus nutritional effects.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143116149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"An Exploration of Plant Biomass–Species Richness Relationships in Three Subalpine Grasslands on the Qinghai–Tibetan Plateau","authors":"Mingrui Liu,&nbsp;Shiting Liu,&nbsp;Hui Li,&nbsp;Yumao Ning,&nbsp;Hans J. De Boeck,&nbsp;Yongjie Liu","doi":"10.1111/jvs.70008","DOIUrl":"https://doi.org/10.1111/jvs.70008","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aims</h3>\u0000 \u0000 <p>Multiple studies have addressed the relationship between plant biomass and species richness, often reporting a hump-shaped curve. However, such research in natural grassland was mostly conducted in temperate, arid and semiarid areas, with few studies focused on subalpine regions. Moreover, in most cases, plant community biomass was the main variable of interest, with few studies considering also plant individual biomass, calculated by dividing plant community biomass by plant abundance.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>To explore the relationship between plant biomass and species richness in subalpine regions, a field survey was conducted in three locations with fenced subalpine grasslands on the Qinghai–Tibetan Plateau in China in 2020 and 2023.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Plant aboveground biomass and species richness were recorded along four transects in each location. Analyses were performed using both plant community biomass and plant individual biomass to test whether using a different biomass measure affected the plant biomass–species richness relationship.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Location and Year × Location significantly affected species richness, plant community biomass and plant individual biomass. Curve estimations demonstrated a positive nonlinear relationship between plant community biomass and species richness and a negative nonlinear relationship between plant individual biomass and species richness. These patterns were modified by the locations of the three grasslands. Competition can explain some of the different patterns between plant community biomass–species richness relationship and plant individual biomass–species richness relationship.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>In general, the choice of biomass approach affected the relationship between plant biomass and species richness in subalpine grasslands, which indicates that plant abundance impacts plant biomass–species richness relationship. Future research should consider further modulators and drivers when exploring the plant biomass–species richness relationship in grasslands in a climate change context.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Presettlement Tree Distributions and Forest Types of Northeast Ohio, USA, Mapped With Species Distribution Models","authors":"Kathryn M. Flinn,&nbsp;Zachary Litwinowicz,&nbsp;Tylor P. Mahany,&nbsp;James I. Watling","doi":"10.1111/jvs.70007","DOIUrl":"https://doi.org/10.1111/jvs.70007","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Questions</h3>\u0000 \u0000 <p>European colonization radically transformed the landscapes of eastern North America. Understanding this legacy is vital to managing current ecological communities. To do so requires spatially explicit information about presettlement vegetation. Here we test the ability of species distribution models, which have rarely been used with historical data like land survey records, to generate useful predictions of presettlement tree distributions. These models also allow us to assess pre-disturbance vegetation-environment relationships.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Cuyahoga County, Ohio, USA.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Generalized linear models, generalized boosting models, random forests, and maximum entropy models related the distributions of 17 tree taxa to elevation, slope, aspect, and soil type, based on 4234 tree observations from circa-1800 surveys. Cluster analysis defined forest types and created a prediction map of forest types using random forests.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>This study generated high-resolution predictions of presettlement tree distributions. <i>Fagus grandifolia</i> and <i>Carya</i> spp. were predicted to have found suitable habitat in over half the area. Elevation was by far the most important predictor, followed by slope. Many taxa were more likely to occur at higher elevations, corresponding to the Allegheny Plateau, while others followed river valleys. Broadly, 51% of the county was predicted to support forest types with <i>Fagus grandifolia</i> and/or <i>Acer</i> spp., and 48% of the county was predicted to support forest types with <i>Quercus</i> spp., <i>Carya</i> spp., and/or <i>Castanea dentata</i>.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>This study demonstrates that species distribution modeling with historical data provides insights into presettlement vegetation and vegetation-environment relationships. Our results reveal striking ecological patterns not apparent in today's landscape, such as the sharp difference in vegetation between the Central Lowland and Allegheny Plateau. The maps created here offer a historical perspective that can inform conservation, education, and further research.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.70007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Independent Trends of Mountain Vegetation and Soil Properties Over 40 Years of Environmental Change","authors":"Sabine B. Rumpf,&nbsp;Aline Buri,&nbsp;Stéphanie Grand,&nbsp;Christophe F. Randin,&nbsp;Sébastien Tesson,&nbsp;Carmen Cianfrani,&nbsp;Antoine Guisan","doi":"10.1111/jvs.70006","DOIUrl":"https://doi.org/10.1111/jvs.70006","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Questions</h3>\u0000 \u0000 <p>Although mountain ecosystems are key in providing numerous contributions to people, they are affected by environmental changes. The European Alps, in particular, although shaped by human land use for millennia, suffer pronounced impacts of climate change combined with continued land-use changes and atmospheric nitrogen deposition. As a core component of ecosystem functioning, the soil–vegetation interface is especially sensitive to these environmental changes, and it is therefore crucial to understand its response. Although several studies have demonstrated the impacts of environmental change on vegetation or soil individually, it remains largely unknown whether they respond synchronously.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Montane and subalpine grasslands of the Western Swiss Alps.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We analysed changes and correlations of ecological indicators of vegetation and soil properties after 40 years in 86 re-surveyed semi-permanent plots.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Ecological indicators of vegetation releves changed, driven by an increase of species adapted to alkaline conditions and mowing or grazing. By contrast, we detected neither a trend of thermophilisation, nor an increase of nutriphilous species or those adapted to hemeroby. Organic carbon, nitrogen, organic matter content, carbon-to-nitrogen ratio and pH increased in the soil. Yet, these changes of vegetation and soil were so far independent of each other.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our findings suggest that mountain vegetation and soil have so far changed asymmetrically with potential knock-on effects in the decades to come with implications for the conservation of mountain ecosystems and our capacity to predict their future trajectory.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143114906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Prediction of coastal barren plant species richness and functional diversity by environmental variability across scales","authors":"Madeline Clarke,&nbsp;Amy Heim,&nbsp;Jeremy Lundholm","doi":"10.1111/jvs.70004","DOIUrl":"https://doi.org/10.1111/jvs.70004","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Questions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;The relationships between environmental heterogeneity and plant diversity may be negative or neutral at fine spatial scales but positive across broader areas. How do the relationships between spatial environmental variability and mean environmental conditions, plant species richness and functional diversity change across spatial scales?&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Coastal barrens landscape in Nova Scotia, eastern Canada.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;We sampled plant species composition and environmental variables in nested areas at three scales: 0.25 m&lt;sup&gt;2&lt;/sup&gt;, 1 m&lt;sup&gt;2&lt;/sup&gt; and 50 m&lt;sup&gt;2&lt;/sup&gt;. At each scale, subsamples of environmental variables (including elevation, soil moisture and depth) were used to calculate average and standard deviation; plant species richness was also determined for each sample. Plant traits at the species level were used to calculate functional dispersion for each of five traits (specific leaf area, leaf dry matter content, leaf thickness, plant height and canopy width) and a combined index of total functional dispersion. Functional dispersion and species richness were predicted at each scale by environmental variables using linear mixed models.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Environmental heterogeneity had low predictive power for plant diversity at the 0.25-m&lt;sup&gt;2&lt;/sup&gt; scale but was unimodally related to species richness and functional-diversity variables at the 1-m&lt;sup&gt;2&lt;/sup&gt; scale. The shape of the unimodal relationships suggested a leveling off of diversity at higher levels of environmental variability rather than a decline in diversity (monotonic or asymptotic). There was a strong positive relationship between elevation (topographic) variability and species richness at the 50-m&lt;sup&gt;2&lt;/sup&gt; scale. Functional dispersion was most strongly related to environmental variables at the 1-m&lt;sup&gt;2&lt;/sup&gt; scale.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Positive or non-linear asymptotic relationships between environmental heterogeneity, richness and functional diversity at the 1-m&lt;sup&gt;2&lt;/sup&gt; scale provide some support for niche-based explanations of species coexistence in plant neighborhoods. At broader sampling extents, greater topographic heterogeneity may allow distinct plant communities to co-occur within a sample, increasing richness but not functional diversity because functional diversity in leaf and canopy trait","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.70004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143114121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Cross-Citation Patterns Between the Journal of Vegetation Science and Other Ecological Journals","authors":"Valério D. Pillar,&nbsp;Jodi Price,&nbsp;Viktoria Wagner,&nbsp;Milan Chytrý","doi":"10.1111/jvs.70009","DOIUrl":"https://doi.org/10.1111/jvs.70009","url":null,"abstract":"&lt;p&gt;Scientific progress relies on the exchange of ideas, often acknowledged through citations. Journals within the same scientific field cite each other as they share overlapping topics and contribute to shared knowledge networks. In earlier editorials (Pärtel et al. &lt;span&gt;2016&lt;/span&gt;; Pillar et al. &lt;span&gt;2022&lt;/span&gt;), we explored these networks for the &lt;i&gt;Journal of Vegetation Science&lt;/i&gt; (&lt;i&gt;JVS&lt;/i&gt;). In this editorial, we analyse cross-citation patterns between &lt;i&gt;JVS&lt;/i&gt; and other ecological journals to understand the connections and roles these journals play in advancing shared scientific questions.&lt;/p&gt;&lt;p&gt;We used &lt;i&gt;Journal Citation Reports&lt;/i&gt; (Clarivate &lt;span&gt;2024&lt;/span&gt;) to compile citation records from articles published in &lt;i&gt;JVS&lt;/i&gt;. Citation counts of &lt;i&gt;JVS&lt;/i&gt; articles in other journals and of these journals in &lt;i&gt;JVS&lt;/i&gt; were limited to articles published in the last 10 years (2014–2023), except for a few journals that were included in the &lt;i&gt;Journal Citation Reports&lt;/i&gt; (JCR) after 2014. Our analysis included 49 journals meeting at least one of two criteria: they cited the &lt;i&gt;JVS&lt;/i&gt; articles published during this period at least 15 times or they were cited in the &lt;i&gt;JVS&lt;/i&gt; articles at least 15 times. As the analysis is centred on &lt;i&gt;JVS&lt;/i&gt; articles that within the same timeframe were either cited by the other journal or were citing this journal, we were not concerned about unequal numbers of articles published by each journal.&lt;/p&gt;&lt;p&gt;The results, presented in Figure 1, show that in approximately 71% of the listed journals, citations of &lt;i&gt;JVS&lt;/i&gt; articles exceeded &lt;i&gt;JVS&lt;/i&gt; citations of those journals. Journals with the highest citations of &lt;i&gt;JVS&lt;/i&gt; articles tended to have an applied focus, including &lt;i&gt;Forest Ecology and Management&lt;/i&gt;, &lt;i&gt;Science of the Total Environment&lt;/i&gt;, &lt;i&gt;Forests,&lt;/i&gt; and &lt;i&gt;Applied Vegetation Science&lt;/i&gt; (our sister journal), along with &lt;i&gt;Global Ecology and Conservation, Ecological Indicators&lt;/i&gt;, and &lt;i&gt;Biodiversity and Conservation&lt;/i&gt;. Journals focused on fundamental research, such as the &lt;i&gt;Journal of Ecology&lt;/i&gt;, &lt;i&gt;Ecology and Evolution&lt;/i&gt;, &lt;i&gt;Functional Ecology&lt;/i&gt;, &lt;i&gt;Plant Ecology&lt;/i&gt;, &lt;i&gt;Oikos&lt;/i&gt;, &lt;i&gt;Flora,&lt;/i&gt; and &lt;i&gt;Journal of Biogeography&lt;/i&gt;, also contributed substantially.&lt;/p&gt;&lt;p&gt;Conversely, for 29% of the listed journals, &lt;i&gt;JVS&lt;/i&gt; cited their articles more frequently than they cited &lt;i&gt;JVS&lt;/i&gt;. This pattern was most notable in &lt;i&gt;New Phytologist&lt;/i&gt;, &lt;i&gt;Global Ecology and Biogeography&lt;/i&gt;, &lt;i&gt;Ecology&lt;/i&gt;, &lt;i&gt;Ecography&lt;/i&gt;, &lt;i&gt;Ecology Letters&lt;/i&gt; and other journals with lower citation counts in &lt;i&gt;JVS&lt;/i&gt;, all of which focus on fundamental and theoretical aspects of ecology and plant sciences. Some journals, such as the &lt;i&gt;Journal of Ecology&lt;/i&gt; and &lt;i&gt;Global Change Biology&lt;/i&gt;, had relatively high and balanced citation counts in both directions, whereas others, like the &lt;i&gt;Journal of Biogeography&lt;/i&gt;, &lt;i&gt;Scientific Reports&lt;/i&gt;, &lt;i&gt;PLOS One,&lt;/i&gt; and &lt;i&gt;Journal of Applied Ecology&lt;/i","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.70009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Role of Plant Specialists in Fine-Scale Diversity–Area Relationships (DARs) in Southern European Atlantic Coastal Dunes","authors":"Juan Antonio Campos,&nbsp;Diego Liendo,&nbsp;Idoia Biurrun,&nbsp;Marta Torca,&nbsp;Itziar García-Mijangos","doi":"10.1111/jvs.70005","DOIUrl":"https://doi.org/10.1111/jvs.70005","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Questions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Species–area relationships (SARs) have traditionally focused on species richness only. However, other diversity components, such as phylogenetic diversity (phylogenetic diversity–area relationships [PDARs]), can also be measured at different spatial scales, providing a more comprehensive picture of the importance of spatial scale on plant diversity. Here, we focus on coastal dune habitats along the sea-inland gradient. We ask: (1) do fine-scale SAR and PDAR patterns change along the dune gradient? (2) is the phylogenetic structure of plant communities scale-dependent along this gradient? (3) does the rate of increase in taxonomic and phylogenetic diversity change along this gradient? (4) do specialist and/or generalist species influence these patterns?&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Atlantic coast of SW Europe.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;A nested-plot sampling design (0.0001–100 m&lt;sup&gt;2&lt;/sup&gt;) was applied in three dune habitats. Diversity–area relationships were calculated based on taxonomic (TD) and phylogenetic (PD) diversity. Null models were also applied to the latter to partial out the effect of TD on PD (PD&lt;sub&gt;SES&lt;/sub&gt;) and to analyse the phylogenetic structure. Changes in the rate of increase in taxonomic and phylogenetic diversity at a fine scale along the dune gradient were analysed by means of &lt;i&gt;z&lt;/i&gt;-values. All analyses were performed for the whole species pool and for the subsets of dune specialists and generalists.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;TD and PD increased inland along the dune gradient with a significantly major contribution of specialist species. PD&lt;sub&gt;SES&lt;/sub&gt; mean values in embryo and mobile dunes were positive at all grain sizes, suggesting overdispersion. However, when individual PD&lt;sub&gt;SES&lt;/sub&gt; values were analysed at the different grain sizes, the prevailing phylogenetic structure in these habitats did not deviate from random expectations. In fixed dunes, PD&lt;sub&gt;SES&lt;/sub&gt; suggested a decrease in phylogenetic clustering that was partly confirmed when the individual values of PD&lt;sub&gt;SES&lt;/sub&gt; were analysed at different grain sizes. &lt;i&gt;z&lt;/i&gt;-values for TD and PD increased inland along the dune gradient, while for PD&lt;sub&gt;SES&lt;/sub&gt; these values were close to zero in all three habitats. Again, specialists contributed significantly to the patterns in z-values.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Dune specialists playe","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"35 6","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.70005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Willow above, changes below: Seedless tree invader impacts riparian seed bank in the Patagonian ecotone","authors":"María del Milagro Torres,&nbsp;Jorgelina Franzese,&nbsp;Melisa Blackhall,&nbsp;María Andrea Relva","doi":"10.1111/jvs.70003","DOIUrl":"https://doi.org/10.1111/jvs.70003","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>The soil seed bank, an ecosystem component with a crucial role in the natural regeneration of plant communities, can be impacted by invasive non-native plants. The impact of non-native plants can be direct with the production of their own seeds or indirect without producing seeds, which has been less investigated. We determined the impact of an invasive seedless tree, non-native willow (<i>Salix</i> × <i>rubens</i>), on the soil seed bank in a riparian ecosystem.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Northwestern Patagonia, Argentina.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>In autumn and spring 2022, we collected soil samples and estimated understorey cover, respectively, in plant communities invaded by willow and in uninvaded communities with a canopy dominated by native species. Over a year, we recorded the seedling emergence of soil samples to estimate the abundance, richness, and composition of the seed bank. We also compared the composition between the seed bank and understorey.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Total seed abundance and native woody species seed abundance decreased twofold and fourfold, respectively, in invaded plant communities in comparison with uninvaded communities. The most affected woody species was <i>Ochetophila trinervis</i>, a key tree species, because of its dominance in the canopy and understorey, and its role in various ecological processes (nitrogen cycling). In addition, willow invasion moderately changed the seed bank species composition producing species turnover. For both the seed bank and the understorey, species composition was more similar between invaded and uninvaded communities than between the seed bank and understorey. Willow invasion had more impact on understorey composition than on the seed bank.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Although willows do not produce seeds regionally, their invasion negatively impacts the soil seed bank by replacing native woody canopy species that supply seeds to the seed bank. These impacts could result in notable changes in the structure of the plant communities and the ecosystem dynamics of riparian areas.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"35 6","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"Mammalian herbivory alters structure, composition and edaphic conditions of a grey-dune community","authors":"Sandra Francés Alcántara,&nbsp;Rubén Retuerto,&nbsp;Julia Sánchez Vilas","doi":"10.1111/jvs.70001","DOIUrl":"https://doi.org/10.1111/jvs.70001","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Question</h3>\u0000 \u0000 <p>Mammalian herbivory affects the structure and composition of plant communities, soil characteristics and intraspecific leaf traits. Understanding the effects of this type of herbivory is particularly relevant in grey dunes, a priority habitat type of the European Union Habitats Directive.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Sálvora island (NW Spain).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Vegetation surveys and sampling were carried out in a coastal grey-dune community, comparing the structure and composition of plant communities and soil characteristics in plots with herbivory exclusion and plots with herbivore activity, in autumn and spring. Changes in the specific leaf area (SLA), C/N ratio, δ¹³C and δ¹⁵N of two main plant species were also analysed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The differentiation between treatments was low in autumn, in contrast to spring results, which demonstrated seasonal variation in the plant community and herbivore behaviour. Spring results showed lower above-ground dry mass in plots with herbivory due to defoliation, but greater richness and diversity, indicating that intermediate levels of disturbance reduced competition from dominant species. Herbivory treatments were different in terms of species composition, highlighting the positive effects of herbivory on the development of the threatened species <i>Linaria arenaria.</i> Soil temperature and moisture content were higher in herbivory plots because of the suppression of vegetation cover and the effect of trampling, respectively. No differences were detected in the chemical composition of the soil or the SLA, although the variability of these traits was greater in herbivory plots, indicating spatial heterogeneity generated by the activity of herbivores. No differences between treatments were obtained for % C and δ¹³C, whereas herbivory plots showed lower values of N content and δ¹⁵N as an adaptive response to herbivory pressure at the leaf and root level.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Our findings show that herbivory effects on plant communities vary by season — stronger in spring and weaker in autumn — emphasising the need for seasonal analysis and highlighting disturbance as a driver of spatial heterogeneity.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49965,"journal":{"name":"Journal of Vegetation Science","volume":"35 6","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvs.70001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}