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Distribution and genetic diversity of the invasive pest Halyomorpha halys (Hemiptera, Pentatomidae) in Belgium 入侵害虫 Halyomorpha halys(半翅目,五虫科)在比利时的分布和遗传多样性
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-18 DOI: 10.3897/neobiota.90.113421
Olivier Hendrik Berteloot, Alexandre Kuhn, Gertie Peusens, Tim Beliën, Louis Hautier, Thomas Van Leeuwen, Patrick De Clercq
{"title":"Distribution and genetic diversity of the invasive pest Halyomorpha halys (Hemiptera, Pentatomidae) in Belgium","authors":"Olivier Hendrik Berteloot, Alexandre Kuhn, Gertie Peusens, Tim Beliën, Louis Hautier, Thomas Van Leeuwen, Patrick De Clercq","doi":"10.3897/neobiota.90.113421","DOIUrl":"https://doi.org/10.3897/neobiota.90.113421","url":null,"abstract":"\u0000The brown marmorated stink bug, Halyomorpha halys, native to East Asia, is an invasive pest of economic importance. It has invaded North America and many European countries and is further expanding its range. In Belgium, it was first observed in 2011. Halyomorpha halys is known to cause severe damage in commercial fruit orchards and vegetable crops. A dramatic and unmitigated expansion of H. halys in its adventive range could lead to significant economic implications for agricultural production. In this study, occurrence data of H. halys since its first observation in Belgium was analysed together with molecular information to map the populations and evaluate the genetic diversity of this pest. The genetic diversity of H. halys in Belgium was compared to data from other invaded and native countries reported in previous studies to identify possible invasion routes. The analysis of 1176-bp of mitochondrial DNA cytochrome c oxidase I and II genes (COI and COII) led to the discovery of two novel COI-COII haplotype combinations currently unique to Belgium. The invasion of H. halys in Belgium is likely the result of multiple and ongoing introductions from its native region and from already invaded countries in Europe, particularly Italy. The expansion of the brown marmorated stink bug populations in Belgium is recent and ongoing. Presently, it appears to thrive best in northern Belgium.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"25 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139500120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Root hemiparasites suppress invasive alien clonal plants: evidence from a cultivation experiment 根系半寄生虫抑制外来入侵克隆植物:来自栽培实验的证据
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-15 DOI: 10.3897/neobiota.90.113069
Tamara Těšitelová, Kateřina Knotková, Adam Knotek, Hana Cempírková, Jakub Těšitel
{"title":"Root hemiparasites suppress invasive alien clonal plants: evidence from a cultivation experiment","authors":"Tamara Těšitelová, Kateřina Knotková, Adam Knotek, Hana Cempírková, Jakub Těšitel","doi":"10.3897/neobiota.90.113069","DOIUrl":"https://doi.org/10.3897/neobiota.90.113069","url":null,"abstract":"\u0000Alien invasive plants threaten biodiversity by rapid spread and competitive exclusion of native plant species. Especially, tall clonal invasives can rapidly attain strong dominance in vegetation. Root-hemiparasitic plants are known to suppress the growth of clonal plants by the uptake of resources from their below-ground organs and reduce their abundance. However, root-hemiparasites’ ability to interact with alien clonal plants has not yet been tested.\u0000We explored the interactions between native root-hemiparasitic species, Melampyrum arvense and Rhinanthus alectorolophus and invasive aliens, Solidago gigantea and Symphyotrichum lanceolatum. We investigated the haustorial connections and conducted a pot experiment. We used seeds from wild hemiparasite populations and those cultivated in monostands of the invasive plants to identify a possible selection of lineages with increased compatibility with these alien hosts. The hemiparasitic species significantly suppressed the growth of the invasive plants. Melampyrum inflicted the most substantial growth reduction on Solidago (78%), followed by Rhinanthus (49%). Both hemiparasitic species reduced Symphyotrichum biomass by one-third. Additionally, Melampyrum reduced the shoot density of both host species. We also observed some transgenerational effects possibly facilitating the growth of hemiparasites sourced from subpopulations experienced with the host.\u0000Native root hemiparasites can effectively decrease alien clonal plants’ biomass production and shoot density. The outcomes of these interactions are species-specific and may be associated with the level of clonal integration of the hosts. The putative selection of lineages with higher performance when attached to the invasive novel hosts may increase hemiparasites’ efficiency in future biocontrol applications.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"147 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139470200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests 评估澳大利亚温带雨林中五种常见外来藤本植物的入侵潜力
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-10 DOI: 10.3897/neobiota.90.110659
Adam Bernich, Kris French, Michael Bedward
{"title":"Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests","authors":"Adam Bernich, Kris French, Michael Bedward","doi":"10.3897/neobiota.90.110659","DOIUrl":"https://doi.org/10.3897/neobiota.90.110659","url":null,"abstract":"\u0000To compare the capacity of native and exotic vine species established under a rainforest canopy, a comparison of growth rates and resource allocation was made amongst five exotic vine species that are serious and common invaders and two common native vine species under two light conditions reflective of edge and interior canopy conditions. All species experienced heavy reductions in growth parameters in the low-light treatment, but three exotic species showed stronger growth under the low light. All exotic species had higher plasticity in leaf morphology showing a significant increase in SLA under low light. Native vines may have a lower capacity to change leaf morphology in shade, as a result of local adaptation to edge habitats. Higher SLA under both low and high light conditions suggests that exotic vines species are able to exploit a range of forest conditions better than the native species. Three species, Anredera cordifolia, Araujia sericifera and Cardiospermum grandiflorum, appear particularly capable of invading rainforest interiors. Individuals produced few leaves, focusing resources on roots and stems suggesting a response to reach the canopy quickly. With their long-distance seed dispersal, plasticity in leaf SLA and high RGR, these species appear most likely to invade undisturbed rainforest.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"151 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139410727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Worldwide distribution and phylogeography of the agave weevil Scyphophorus acupunctatus (Coleoptera, Dryophthoridae): the rise of an overlooked invasion 龙舌兰象鼻虫(鞘翅目,Dryophthoridae)的全球分布和系统地理学:被忽视的入侵的兴起
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-09 DOI: 10.3897/neobiota.90.101797
Andrea Viviano, Arturo Cocco, Paolo Colangelo, Giuseppe Marco Delitala, Roberto Antonio Pantaleoni, Laura Loru
{"title":"Worldwide distribution and phylogeography of the agave weevil Scyphophorus acupunctatus (Coleoptera, Dryophthoridae): the rise of an overlooked invasion","authors":"Andrea Viviano, Arturo Cocco, Paolo Colangelo, Giuseppe Marco Delitala, Roberto Antonio Pantaleoni, Laura Loru","doi":"10.3897/neobiota.90.101797","DOIUrl":"https://doi.org/10.3897/neobiota.90.101797","url":null,"abstract":"\u0000Global plant trade represents one of the main pathways of introduction for invertebrates, including insects, throughout the world. Non-native insects include some of the most important pests affecting cultivated and ornamental plants worldwide. Defining the origins and updating the distribution of non-native invasive species is pivotal to develop effective strategies to limit their spread. The agave weevil, Scyphophorus acupunctatus (Coleoptera, Dryophthoridae), is a curculionid beetle native to Central and North America, although it also occurs in Eurasia, Africa, Oceania and South America as a non-native species. Despite being widespread, the extent of occurrence and origins of European populations of the agave weevil have been overlooked. In the present study, the current and potential worldwide distribution of S. acupunctatus was assessed and an analysis of its genetic diversity in the native and non-native ranges was performed. By analysing occurrences from local phytosanitary bulletins and citizen-science platforms, the agave weevil was confirmed to be widely distributed and to occur on all continents, except Antarctica. Additionally, there is potential for expansion throughout the world, as estimated by species distribution models. Nucleotide and haplotype diversity of the COXI mitochondrial gene (about 650 bp) was lower in the non-native (n = 39 samples) than native populations (n = 26 samples). The majority of introduced individuals belonged to the same haplotype, suggesting that most introductions in Europe might have occurred from a small geographical area in Central America. Constant transboundary monitoring and national laws must be considered to reduce the spread of the agave weevil, given that a bridgehead effect may occur from non-native populations to new suitable areas.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"23 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139410380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Asymmetrical insect invasions between three world regions 世界三个地区之间不对称的昆虫入侵情况
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-08 DOI: 10.3897/neobiota.90.110942
Rylee Isitt, Andrew M. Liebhold, Rebecca M. Turner, Andrea Battisti, Cleo Bertelsmeier, Rachael Blake, Eckehard G. Brockerhoff, Stephen B. Heard, Paal Krokene, Bjørn Økland, Helen F. Nahrung, Davide Rassati, Alain Roques, Takehiko Yamanaka, Deepa S. Pureswaran
{"title":"Asymmetrical insect invasions between three world regions","authors":"Rylee Isitt, Andrew M. Liebhold, Rebecca M. Turner, Andrea Battisti, Cleo Bertelsmeier, Rachael Blake, Eckehard G. Brockerhoff, Stephen B. Heard, Paal Krokene, Bjørn Økland, Helen F. Nahrung, Davide Rassati, Alain Roques, Takehiko Yamanaka, Deepa S. Pureswaran","doi":"10.3897/neobiota.90.110942","DOIUrl":"https://doi.org/10.3897/neobiota.90.110942","url":null,"abstract":"\u0000The geographical exchange of non-native species can be highly asymmetrical, with some world regions donating or receiving more species than others. Several hypotheses have been proposed to explain such asymmetries, including differences in propagule pressure, source species (invader) pools, environmental features in recipient regions, or biological traits of invaders. We quantified spatiotemporal patterns in the exchange of non-native insects between Europe, North America, and Australasia, and then tested possible explanations for these patterns based on regional trade (import values) and model estimates of invader pool sizes. Europe was the dominant donor of non-native insect species between the three regions, with most of this asymmetry arising prior to 1950. This could not be explained by differences in import values (1827–2014), nor were there substantial differences in the sizes of modelled invader pools. Based on additional evidence from literature, we propose that patterns of historical plant introductions may explain these asymmetries, but this possibility requires further study.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"24 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139397043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Limitations of invasive snake control tools in the context of a new invasion on an island with abundant prey 在一个猎物丰富的岛屿上出现新入侵物种的情况下,外来蛇类控制工具的局限性
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2024-01-05 DOI: 10.3897/neobiota.90.103041
Shane R. Siers, Melia G. Nafus, Jeried E. Calaor, Rachel M. Volsteadt, Matthew S. Grassi, Megan Volsteadt, Aaron F. Collins, Patrick D. Barnhart, Logan T. Huse, Amy A. Yackel Adams, Diane L. Vice
{"title":"Limitations of invasive snake control tools in the context of a new invasion on an island with abundant prey","authors":"Shane R. Siers, Melia G. Nafus, Jeried E. Calaor, Rachel M. Volsteadt, Matthew S. Grassi, Megan Volsteadt, Aaron F. Collins, Patrick D. Barnhart, Logan T. Huse, Amy A. Yackel Adams, Diane L. Vice","doi":"10.3897/neobiota.90.103041","DOIUrl":"https://doi.org/10.3897/neobiota.90.103041","url":null,"abstract":"\u0000In October 2020, a new population of invasive brown treesnakes (Boiga irregularis) was discovered on the 33-ha Cocos Island, 2.5 km off the south coast of Guam. Cocos Island is a unique conservation resource, providing refuge for many lizards and birds, including endangered species, which were extirpated from mainland Guam by invasive predators including brown treesnakes. We sought to evaluate the usefulness of toxic baiting with acetaminophen-treated carrion baits and cage trapping, common tools for the control of brown treesnakes on mainland Guam, as potential eradication tools on Cocos Island. We evaluated multiple bait types and bait presentations: on the ground, suspended in the canopy emulating aerial bait applications and in four plastic-tube bait station configurations intended to exclude non-target species. We monitored all baits with time-lapse cameras. Despite improved exclusion of non-targets by bait station design, most baits were quickly removed by non-target species, particularly coconut crabs (Birgus latro) and Mariana monitors (Varanus tsukamotoi). Monitoring of 1,250 baits available for 2,427 bait nights resulted in no observations of brown treesnakes taking any bait. Subsequently, we tested two trap types commonly used on Guam and compared trapping success with live versus dead mouse lures. In 10,553 trap nights using live and dead mouse lures, we only captured one brown treesnake, in a trap with a live mouse lure. These baiting and trapping rates are so low as to be ineffectual for all practical purposes. Concurrent visual searching and hand capture of brown treesnakes during initial rapid response efforts demonstrates that these low baiting and trapping success rates are not a result of low snake density. We make a case for our assumption that the ineffectiveness of these tools on Cocos Island is due to the context of extremely high abundance of preferred live prey, primarily large geckos and birds. Our results have profound conservation ramifications, because any future island invasions by brown treesnakes are likely to occur within similarly prey-rich environments where these baiting and trapping methods might be similarly ineffective.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"12 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2024-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139104222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Biochar application can mitigate the negative impacts of drought in invaded experimental grasslands as shown by a functional traits approach 功能特征法显示,施用生物碳可减轻干旱对入侵实验草地的负面影响
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2023-12-22 DOI: 10.3897/neobiota.89.109244
Hamada E. Ali, S. F. Bucher, M. Bernhardt‐Römermann, C. Römermann
{"title":"Biochar application can mitigate the negative impacts of drought in invaded experimental grasslands as shown by a functional traits approach","authors":"Hamada E. Ali, S. F. Bucher, M. Bernhardt‐Römermann, C. Römermann","doi":"10.3897/neobiota.89.109244","DOIUrl":"https://doi.org/10.3897/neobiota.89.109244","url":null,"abstract":"Climate, land-use, and invasive plants are among the important drivers of ecosystem functions through the changes in functional composition. In this study, we studied the effects of climate (drought), land-use (Biochar application), and the presence of invasive species on the productivity and performance of invaded experimental grasslands. We ran a greenhouse experiment under controlled conditions, in which we grew a combination of the three native species Silene gallica, Brassica nigra and Phalaris minor and the invasive species Avena fatua, being subjected to four different treatments: Biochar+drought, Biochar, drought, and control. We measured the productivity of native and invasive species as total biomass and root to shoot ratio (RSR) and the performance by measuring several plant functional traits (plant height, specific leaf area (SLA), leaf dry matter content (LDMC), leaf nitrogen content (Nmass), leaf carbon content (Cmass) and total chlorophyll (Chltotal) of all individuals occurring in each plot. The study showed that invasive species were more productive (higher total biomass and lower RSR) and performed better (taller plants, higher SLA, Nmass, Cmass and Chltotal and lower LDMC) than the native species under drought conditions as well as with Biochar application. Accordingly, in contrast to our expectations, the lower productivity and performance of native compared to invasive species under drought were not mitigated by Biochar application. These results provided a deeper understanding of the interplay between climate, land-use, and biological invasion, which is crucial for predicting the consequences of changes in functional composition on ecosystem functions and consequently restoration of grasslands.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"1 3","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138944400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Cortaderia selloana, an example of aggressive invaders that affect human health, yet to be included in binding international invasive catalogues Cortaderia selloana,一个影响人类健康的侵略性入侵者的例子,尚未被列入具有约束力的国际入侵目录中
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2023-12-20 DOI: 10.3897/neobiota.89.110500
Diego Liendo, Juan Antonio Campos, Alberto Gandarillas
{"title":"Cortaderia selloana, an example of aggressive invaders that affect human health, yet to be included in binding international invasive catalogues","authors":"Diego Liendo, Juan Antonio Campos, Alberto Gandarillas","doi":"10.3897/neobiota.89.110500","DOIUrl":"https://doi.org/10.3897/neobiota.89.110500","url":null,"abstract":"\u0000Invasive plant species can suppress local biodiversity, affect soil properties and modify the landscape. However, an additional concern of plant invasions that has been more disregarded is their impact on environmental human health. Here, we discuss the case of Cortaderia selloana (Schult. & Schult.f.) Asch. & Graebn, as an example of a worldwide invasive species with a strong environmental impact. We summarise the main facts regarding the C. selloana invasion, the recent clinical evidence of its impact on human health and the great potential expansion of the species in the context of climate change. C. selloana constitutes a clear example to boost demands from policy makers for urgent and efficient measures to control or eradicate invasive species, also in ruderal areas. This aggressive invader is still out of relevant binding international invasive species catalogues, including the European List of Invasive Alien Species of Union concern (Union list), and is still subjected to extensive trading in some European countries. Therefore, including C. selloana in the Union list becomes mandatory to impose full restrictions on keeping, importing, selling, breeding and cultivating the species.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"29 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138821026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Germany’s first Action plan on the pathways of invasive alien species to prevent their unintentional introduction and spread Germany关于外来入侵物种途径的第一个行动计划,以防止它们的无意引入和传播
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2023-12-06 DOI: 10.3897/neobiota.89.106323
Katharina Mayer, Tina Heger, Ingolf Kühn, Stefan Nehring, Mirijam Gaertner
{"title":"Germany’s first Action plan on the pathways of invasive alien species to prevent their unintentional introduction and spread","authors":"Katharina Mayer, Tina Heger, Ingolf Kühn, Stefan Nehring, Mirijam Gaertner","doi":"10.3897/neobiota.89.106323","DOIUrl":"https://doi.org/10.3897/neobiota.89.106323","url":null,"abstract":"\u0000The increase in global trade and traffic networks contributes to the introduction and spread of invasive alien species, posing a threat to biodiversity. EU Regulation 1143/2014 addresses the prevention and management of invasive alien species and requires an action plan on the priority pathways of unintentional introduction and spread of invasive alien species by each member state. To this end, the first German action plan was developed for the German government in cooperation with relevant Ministries and authorities, scientists, administrative experts, stakeholder working groups and political as well as public deliberation processes. As a result, 14 priority pathways of unintentional introduction, escape or release and spread were identified, resulting in 24 targeted measures. Nineteen sectors will be involved in the implementation of these measures. Here we describe the development process and outcome of Germany’s first action plan. By this, we aim making the process public and transparent, which can facilitate a revision of the action plan required at least every six years, and trigger broader European as well as national cooperation in the future.","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"44 2","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138513503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
Allelopathy and arbuscular mycorrhizal fungi interactions shape plant invasion outcomes Allelopathy和丛枝菌根真菌相互作用形成植物入侵结果
IF 5.1 2区 环境科学与生态学
Neobiota Pub Date : 2023-11-30 DOI: 10.3897/neobiota.89.110737
Xiao Guo, Xin-Yue Liu, Si-Yu Jiang, Shao-Xia Guo, Jing-Feng Wang, Yi Hu, Shi-Mei Li, Hai-Mei Li, Tong Wang, Ying-Kun Sun, Ming-Yan Li
{"title":"Allelopathy and arbuscular mycorrhizal fungi interactions shape plant invasion outcomes","authors":"Xiao Guo, Xin-Yue Liu, Si-Yu Jiang, Shao-Xia Guo, Jing-Feng Wang, Yi Hu, Shi-Mei Li, Hai-Mei Li, Tong Wang, Ying-Kun Sun, Ming-Yan Li","doi":"10.3897/neobiota.89.110737","DOIUrl":"https://doi.org/10.3897/neobiota.89.110737","url":null,"abstract":"\u0000The novel weapon hypothesis suggests that allelopathy is an important mechanism for exotic plants to successfully invade native plant communities. Allelochemicals from exotic plants affect both native plants and arbuscular mycorrhizal fungi (AMF) in soil. To explore these effects, we conducted pot experiments using a native plant community comprising of Chenopodium album L., Vitex negundo L., Rhus chinensis Mill., and Acer truncatum Bunge. We incorporated AMF strains (Funneliformis mosseae, Glomus versiforme, and Rhizophagus intraradices in a 1:1:1 volume ratio) into a soil mixture comprising equal volumes of autoclaved field soil and grass ash at five concentrations (0 g L–1, CK; 10 g L–1, LRE; 20 g L–1, NRE; 30 g L–1, MRE; and 40 g L–1, HRE) to investigate the allelopathy of Rhus typhina L. root and its interactions with AMF on the native plant community. Our results indicated that low concentrations of allelochemicals promoted the relative growth rate and leaf nitrogen content in the native plant community, which was attributed to the increased environmental stress that improved the degree of leaf photosynthetic capacity and organic synthesis rate in the native communities. Moreover, allelochemicals with toxicity decreased the colonization rates of AMF. Meanwhile, the presence of allelopathic effects induced a decrease in leaf nitrogen, and allelopathy altered the effects of AMF on the native community. Specifically, the high concentration of allelochemicals altered the positive effect of AMF on the total aboveground biomass of the native plant community to a negative effect, likely by decreasing colonization rates or affecting soil physicochemical properties and the composition of the mycorrhizal communities. Consequently, it is necessary to consider the effects of AMF when testing the roles of allelopathy or the novel weapons hypothesis in biological invasions. Graphical abstract","PeriodicalId":54290,"journal":{"name":"Neobiota","volume":"45 3","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138513496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}
引用次数: 0
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