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Anastasiu P, Miu IV, Gavrilidis AA, Preda C, Rozylowicz L, Sirbu C, Oprea A, Urziceanu M, Camen-Comanescu P, Nagoda E, Memedemin D, Barbos M, Boruz V, Cislariu A, Don I, Fagaras M, Frink JP, Georgescu IM, Haruta OI, Hurdu BI, Matis A, Milanovici S, Muncaciu S, Neacsu AG, Neblea M, Nicolin AL, Niculescu M, Oroian S, Pop OG, Radutoiu DI, Samarghitan M, Simion I, Soare LC, Steiu C, Stoianov E, Strat D, Szabo A, Szatmari PM, Tanase C, Mirea MD, Manta N, Sirbu IM. Alien plant species distribution in Romania: a nationwide survey following the implementation of the EU Regulation on Invasive Alien Species. Biodivers Data J 2024; 12:e119539. [PMID: 38841134 PMCID: PMC11150868 DOI: 10.3897/bdj.12.e119539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/12/2024] [Indexed: 06/07/2024] Open
Abstract
Background Biological invasions pose an increasing risk to nature, social security and the economy, being ranked amongst the top five threats to biodiversity. Managing alien and invasive species is a priority for the European Union, as outlined in the EU Biodiversity Strategy for 2030 and the Kunming-Montreal Global Biodiversity Framework. Alien plant species are acknowledged to impact the economy and biodiversity; thus, analysing the distribution of such species provides valuable inputs for the management and decision-making processes. The database presented in the current study is the first consolidated checklist of alien plant species that are present in Romania, both of European Union concern and of national interest. This database complements a prior published distribution, based only on records from literature, bringing new information regarding the occurrence of alien plants in Romania, as revealed by a nationwide field survey. We consider this database a valuable instrument for managing biological invasions at both national and regional levels, as it can be utilised in further research studies and in drafting management and action plans, assisting stakeholders in making informed decisions and implementing management actions. New information We present the results of the first nationwide survey of alien plant species in Romania, conducted between 2019 and 2022, in the framework of a national project coordinated by the Ministry of Environment, Waters and Forests and the University of Bucharest. The present database complements and updates the database published by Sirbu et. al (2022), which included occurrence records published until 2019. The new database includes 98323 occurrence records for 396 alien plant species in 77 families, with most species belonging to the Asteraceae family. One alien plant species in our database, the black locust Robiniapseudoacacia L., had more than 10,000 occurrence records. The distribution database also includes information on newly-reported invasive alien plant species of European Union concern in Romania (i.e. the floating primrose-willow Ludwigiapeploides (Kunth) P.H.Raven) and documents the presence of plants in 44 additional families compared to Sirbu et al. (2022). Each entry includes information on species taxonomy, location, year, person who recorded and identified the alien plant, geographical coordinates and taxon rank.
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Affiliation(s)
- Paulina Anastasiu
- University of Bucharest, Dimitrie Brandza Botanic Garden, Bucharest, RomaniaUniversity of Bucharest, Dimitrie Brandza Botanic GardenBucharestRomania
- University of Bucharest, Faculty of Biology, Bucharest, RomaniaUniversity of Bucharest, Faculty of BiologyBucharestRomania
| | - Iulia V Miu
- University of Bucharest, Center for Environmental Research, Bucharest, RomaniaUniversity of Bucharest, Center for Environmental ResearchBucharestRomania
| | - Athanasios A Gavrilidis
- University of Bucharest, Center for Environmental Research, Bucharest, RomaniaUniversity of Bucharest, Center for Environmental ResearchBucharestRomania
| | - Cristina Preda
- University of Bucharest, Center for Environmental Research, Bucharest, RomaniaUniversity of Bucharest, Center for Environmental ResearchBucharestRomania
- Ovidius University of Constanta, Faculty of Natural and Agricultural Sciences, Constanta, RomaniaOvidius University of Constanta, Faculty of Natural and Agricultural SciencesConstantaRomania
| | - Laurentiu Rozylowicz
- University of Bucharest, Center for Environmental Research, Bucharest, RomaniaUniversity of Bucharest, Center for Environmental ResearchBucharestRomania
| | - Culita Sirbu
- University of Agricultural Sciences and Veterinary Medicine Ion Ionescu de la Brad, Faculty of Agriculture, Iasi, RomaniaUniversity of Agricultural Sciences and Veterinary Medicine Ion Ionescu de la Brad, Faculty of AgricultureIasiRomania
| | - Adrian Oprea
- Alexandru Ioan Cuza University of Iasi, Faculty of Biology, Iasi, RomaniaAlexandru Ioan Cuza University of Iasi, Faculty of BiologyIasiRomania
- Alexandru Ioan Cuza University of Iasi, Anastasie Fatu Botanic Garden, Iasi, RomaniaAlexandru Ioan Cuza University of Iasi, Anastasie Fatu Botanic GardenIasiRomania
| | - Mihaela Urziceanu
- University of Bucharest, Faculty of Biology, Bucharest, RomaniaUniversity of Bucharest, Faculty of BiologyBucharestRomania
- University of Bucharest, Research Institute of University of Bucharest, Bucharest, RomaniaUniversity of Bucharest, Research Institute of University of BucharestBucharestRomania
| | - Petronela Camen-Comanescu
- University of Bucharest, Dimitrie Brandza Botanic Garden, Bucharest, RomaniaUniversity of Bucharest, Dimitrie Brandza Botanic GardenBucharestRomania
| | - Eugenia Nagoda
- University of Bucharest, Dimitrie Brandza Botanic Garden, Bucharest, RomaniaUniversity of Bucharest, Dimitrie Brandza Botanic GardenBucharestRomania
| | - Daniyar Memedemin
- Ovidius University of Constanta, Faculty of Natural and Agricultural Sciences, Constanta, RomaniaOvidius University of Constanta, Faculty of Natural and Agricultural SciencesConstantaRomania
- Chelonia Romania, Bucharest, RomaniaChelonia RomaniaBucharestRomania
| | - Marius Barbos
- GTM CO SRL, Cluj-Napoca, RomaniaGTM CO SRLCluj-NapocaRomania
| | - Violeta Boruz
- University of Craiova, Alexandru Buia Botanic Garden, Craiova, RomaniaUniversity of Craiova, Alexandru Buia Botanic GardenCraiovaRomania
| | - Alina Cislariu
- University of Bucharest, Faculty of Biology, Bucharest, RomaniaUniversity of Bucharest, Faculty of BiologyBucharestRomania
| | - Ioan Don
- Vasile Goldis Western University of Arad, Arad, RomaniaVasile Goldis Western University of AradAradRomania
| | - Marius Fagaras
- Ovidius University of Constanta, Faculty of Natural and Agricultural Sciences, Constanta, RomaniaOvidius University of Constanta, Faculty of Natural and Agricultural SciencesConstantaRomania
| | - Jozsef Pal Frink
- National Institute for Research and Development in Forestry Marin Dracea, Cluj-Napoca, RomaniaNational Institute for Research and Development in Forestry Marin DraceaCluj-NapocaRomania
| | - Ioana Mihaela Georgescu
- University of Agricultural Sciences and Veterinary Medicine, Bucharest, RomaniaUniversity of Agricultural Sciences and Veterinary MedicineBucharestRomania
| | - Ovidiu Ioan Haruta
- University of Oradea, Department of Forestry and Forestry Engineering, Oradea, RomaniaUniversity of Oradea, Department of Forestry and Forestry EngineeringOradeaRomania
| | - Bogdan-Iuliu Hurdu
- Institute of Biological Research Cluj-Napoca, Cluj-Napoca, RomaniaInstitute of Biological Research Cluj-NapocaCluj-NapocaRomania
| | - Attila Matis
- Babes-Bolyai University Cluj-Napoca, Faculty of Biology and Geology, Cluj-Napoca, RomaniaBabes-Bolyai University Cluj-Napoca, Faculty of Biology and GeologyCluj-NapocaRomania
| | - Sretco Milanovici
- Romsilva Cheile Nerei Beusnita National Park Administration, Sasca Montana, RomaniaRomsilva Cheile Nerei Beusnita National Park AdministrationSasca MontanaRomania
| | - Sorana Muncaciu
- GTM CO SRL, Cluj-Napoca, RomaniaGTM CO SRLCluj-NapocaRomania
| | - Alina Georgeta Neacsu
- King Mihai I University of Life Sciences of Timisoara, Timisoara, RomaniaKing Mihai I University of Life Sciences of TimisoaraTimisoaraRomania
| | - Monica Neblea
- National University of Science and Technology - Politehnica Bucharest - Pitesti University Center, Pitesti, RomaniaNational University of Science and Technology - Politehnica Bucharest - Pitesti University CenterPitestiRomania
| | - Alma Lioara Nicolin
- myNature Association, Timisoara, RomaniamyNature AssociationTimisoaraRomania
| | - Mariana Niculescu
- University of Craiova, Faculty of Agronomy, Department of Botany and Biodiversity Conservation, Craiova, RomaniaUniversity of Craiova, Faculty of Agronomy, Department of Botany and Biodiversity ConservationCraiovaRomania
| | - Silvia Oroian
- George Emil Palade University of Medicine, Pharmacy, Sciences and Technology, Targu Mures, RomaniaGeorge Emil Palade University of Medicine, Pharmacy, Sciences and TechnologyTargu MuresRomania
| | - Oliviu Grigore Pop
- Conservation Carpathia Foundation; Renaturopa Association, Brasov, RomaniaConservation Carpathia Foundation; Renaturopa AssociationBrasovRomania
| | - Daniel I Radutoiu
- University of Craiova, Faculty of Horticulture, Department of Biology and Environmental Engineering, Craiova, RomaniaUniversity of Craiova, Faculty of Horticulture, Department of Biology and Environmental EngineeringCraiovaRomania
| | - Mihaela Samarghitan
- Mures County Museum, Natural Sciences Section, Targu Mures, RomaniaMures County Museum, Natural Sciences SectionTargu MuresRomania
| | - Ioana Simion
- University of Craiova, Alexandru Buia Botanic Garden, Craiova, RomaniaUniversity of Craiova, Alexandru Buia Botanic GardenCraiovaRomania
| | - Liliana Cristina Soare
- National University of Science and Technology - Politehnica Bucharest - Pitesti University Center, Pitesti, RomaniaNational University of Science and Technology - Politehnica Bucharest - Pitesti University CenterPitestiRomania
| | - Corina Steiu
- P.P.V.N.C. Excelsior Association, Timisoara, RomaniaP.P.V.N.C. Excelsior AssociationTimisoaraRomania
| | - Emilia Stoianov
- GTM CO SRL, Cluj-Napoca, RomaniaGTM CO SRLCluj-NapocaRomania
| | - Daniela Strat
- University of Bucharest, Faculty of Geography, Bucharest, RomaniaUniversity of Bucharest, Faculty of GeographyBucharestRomania
| | - Anna Szabo
- Romanian Ornithological Society, Cluj-Napoca, RomaniaRomanian Ornithological SocietyCluj-NapocaRomania
| | - Paul Marian Szatmari
- Biological Research Center - Vasile Fati Botanical Garden, Jibou, RomaniaBiological Research Center - Vasile Fati Botanical GardenJibouRomania
| | - Corneliu Tanase
- George Emil Palade University of Medicine, Pharmacy, Sciences and Technology, Targu Mures, RomaniaGeorge Emil Palade University of Medicine, Pharmacy, Sciences and TechnologyTargu MuresRomania
| | - Marian D Mirea
- University of Bucharest, Center for Environmental Research, Bucharest, RomaniaUniversity of Bucharest, Center for Environmental ResearchBucharestRomania
| | - Nicolae Manta
- Romanian Ministry of Environment, Water and Forests, Bucharest, RomaniaRomanian Ministry of Environment, Water and ForestsBucharestRomania
| | - Ioana M Sirbu
- University of Bucharest, Faculty of Biology, Bucharest, RomaniaUniversity of Bucharest, Faculty of BiologyBucharestRomania
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Sun Y, Züst T, Silvestro D, Erb M, Bossdorf O, Mateo P, Robert C, Müller-Schärer H. Climate warming can reduce biocontrol efficacy and promote plant invasion due to both genetic and transient metabolomic changes. Ecol Lett 2022; 25:1387-1400. [PMID: 35384215 PMCID: PMC9324167 DOI: 10.1111/ele.14000] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/16/2021] [Accepted: 02/22/2022] [Indexed: 01/25/2023]
Abstract
Climate change may affect plant-herbivore interactions and their associated ecosystem functions. In an experimental evolution approach, we subjected replicated populations of the invasive Ambrosia artemisiifolia to a combination of simulated warming and herbivory by a potential biocontrol beetle. We tracked genomic and metabolomic changes across generations in field populations and assessed plant offspring phenotypes in a common environment. Using an integrated Bayesian model, we show that increased offspring biomass in response to warming arose through changes in the genetic composition of populations. In contrast, increased resistance to herbivory arose through a shift in plant metabolomic profiles without genetic changes, most likely by transgenerational induction of defences. Importantly, while increased resistance was costly at ambient temperatures, warming removed this constraint and favoured both vigorous and better defended plants under biocontrol. Climate warming may thus decrease biocontrol efficiency and promote Ambrosia invasion, with potentially serious economic and health consequences.
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Affiliation(s)
- Yan Sun
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, China.,Department of Biology/Ecology & Evolution, University of Fribourg, Fribourg, Switzerland
| | - Tobias Züst
- Institute of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Daniele Silvestro
- Department of Biology/Ecology & Evolution, University of Fribourg, Fribourg, Switzerland.,Swiss Institute of Bioinformatics, Fribourg, Switzerland.,Department of Biological and Environmental Sciences and Global Gothenburg Biodiversity Centre, University of Gothenburg, Gothenburg, Sweden
| | - Matthias Erb
- Institute of Plant Sciences, University of Bern, Bern, Switzerland
| | - Oliver Bossdorf
- Plant Evolutionary Ecology, Institute of Evolution & Ecology, University of Tübingen, Tübingen, Germany
| | - Pierre Mateo
- Institute of Plant Sciences, University of Bern, Bern, Switzerland
| | | | - Heinz Müller-Schärer
- Department of Biology/Ecology & Evolution, University of Fribourg, Fribourg, Switzerland
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Augustinus BA, Blum M, Citterio S, Gentili R, Helman D, Nestel D, Schaffner U, Müller-Schärer H, Lensky IM. Ground-truthing predictions of a demographic model driven by land surface temperatures with a weed biocontrol cage experiment. Ecol Modell 2022. [DOI: 10.1016/j.ecolmodel.2022.109897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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4
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Šćepanović M, Košćak L, Šoštarčić V, Pismarović L, Milanović-Litre A, Kljak K. Selected Phenolic Acids Inhibit the Initial Growth of Ambrosia artemisiifolia L. BIOLOGY 2022; 11:biology11040482. [PMID: 35453682 PMCID: PMC9031199 DOI: 10.3390/biology11040482] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 11/16/2022]
Abstract
This study aimed to investigate whether different doses of specific phenolic acids (chlorogenic acid, caffeic acid, ferulic acid, gallic acid, protocatechuic acid, p-hydroxybenzoic acid, syringic acid, vanillic acid, and p-coumaric acid), alone or in combination, can inhibit the early growth of the common ragweed (Ambrosia artemisiifolia L., Asterales: Asteraceae). A seed bioassay was performed in Petri dishes and placed in a climate chamber to assess the effects of five dose levels of phenolic acids to radicle and shoot length, as well seedling biomass of A. artemisiifolia. The lowest dose of phenolic acid corresponded to the natural phenolic acid concentration previously reported in dry plant tissue samples from Brassicaceae cover crop plants. Results show that the inhibition of the early growth of A. artemisiifolia depends strongly on phenolic acid. Across different treatments, high doses of phenolic acids significantly shortened shoots and radicles, as well as reduced seedling biomass. Treating seeds with ferulic acid alone, vanillic acid alone, p-hydroxybenzoic acid alone, or a mixture of all phenolic acids significantly reduced all early growth parameters. The estimated effective dose for the 50% inhibition (ED50) of radicle growth in A. artemisiifolia seedlings was 368.39 ± 59.85 × 10−8 mol with ferulic acid, 135.41 ± 17.65 × 10−8 mol with p-coumaric acid, 810.36 ± 134.15 × 10−8 mol with p-hydroxybenzoic acid, and 160.11 ± 12.30 × 10−8 mol with the combination of all phenolic acids.
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Affiliation(s)
- Maja Šćepanović
- University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia; (M.Š.); (V.Š.); (A.M.-L.); (K.K.)
| | - Laura Košćak
- Institute for Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia;
| | - Valentina Šoštarčić
- University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia; (M.Š.); (V.Š.); (A.M.-L.); (K.K.)
| | - Laura Pismarović
- University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia; (M.Š.); (V.Š.); (A.M.-L.); (K.K.)
- Correspondence:
| | - Ana Milanović-Litre
- University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia; (M.Š.); (V.Š.); (A.M.-L.); (K.K.)
| | - Kristina Kljak
- University of Zagreb Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia; (M.Š.); (V.Š.); (A.M.-L.); (K.K.)
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Šćepanović M, Sarić-Krsmanović M, Šoštarčić V, Brijačak E, Lakić J, Špirović Trifunović B, Gajić Umiljendić J, Radivojević L. Inhibitory Effects of Brassicaceae Cover Crop on Ambrosia artemisiifolia Germination and Early Growth. PLANTS (BASEL, SWITZERLAND) 2021; 10:plants10040794. [PMID: 33920706 PMCID: PMC8073481 DOI: 10.3390/plants10040794] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/14/2021] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
Several cover crops (CCs) exert allelopathic effects that suppress weed growth. The aim of the present study was to evaluate the effects of aqueous extracts containing different concentrations [0, 0.5, 1, 2.5, 5, 7.5 and 10% (w/v)] of Brassicaceae CCs (Sinapis alba, Raphanus sativus, Camellina sativa) and of the CCs Fagopyrum esculentum and Guizotia abyssinica on germination and early growth of Ambrosia artemisiifolia L. The allelopathic effects were species and concentration-dependent. C. sativa, for example, caused the greatest potential to inhibit germination, shoot, radicle length and fresh seedling weight, whereas S. alba and R. sativus inhibited germination and early growth of A. artemisiifolia only at concentrations ≥7.5%. In contrast, no inhibition was observed when aqueous extracts of F. escultneum and G. abyssinica were added at any of tested concentration. Liquid chromatography-tandem mass spectrometry detected 15 phenolic compounds in Brassicaceae CCs with the highest content (µg/g) of vanillin (48.8), chlorogenic acid (1057), vanilic acid (79), caffeic acid (102.5) and syringic acid (27.3) in C. sativa. Our results suggest that C. sativa is the most allelopathic CCs and that the fruits of C. sativa are the plant organs richest in allelochemicals.
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Affiliation(s)
- Maja Šćepanović
- Faculty of Agriculture, University of Zagreb, Svetosimunska cesta 25, 10000 Zagreb, Croatia; (M.Š.); (E.B.); (J.L.)
| | - Marija Sarić-Krsmanović
- Institute for Pesticide and Environmental Protection, Banatska 31 b, 11080 Belgrade, Serbia; (M.S.-K.); (J.G.U.); (L.R.)
| | - Valentina Šoštarčić
- Faculty of Agriculture, University of Zagreb, Svetosimunska cesta 25, 10000 Zagreb, Croatia; (M.Š.); (E.B.); (J.L.)
| | - Ema Brijačak
- Faculty of Agriculture, University of Zagreb, Svetosimunska cesta 25, 10000 Zagreb, Croatia; (M.Š.); (E.B.); (J.L.)
| | - Josip Lakić
- Faculty of Agriculture, University of Zagreb, Svetosimunska cesta 25, 10000 Zagreb, Croatia; (M.Š.); (E.B.); (J.L.)
| | | | - Jelena Gajić Umiljendić
- Institute for Pesticide and Environmental Protection, Banatska 31 b, 11080 Belgrade, Serbia; (M.S.-K.); (J.G.U.); (L.R.)
| | - Ljiljana Radivojević
- Institute for Pesticide and Environmental Protection, Banatska 31 b, 11080 Belgrade, Serbia; (M.S.-K.); (J.G.U.); (L.R.)
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Lemke A, Buchholz S, Kowarik I, Starfinger U, von der Lippe M. Interaction of traffic intensity and habitat features shape invasion dynamics of an invasive alien species (Ambrosia artemisiifolia) in a regional road network. NEOBIOTA 2021. [DOI: 10.3897/neobiota.64.58775] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Road corridors are important conduits for plant invasions, and an understanding of the underlying mechanisms is necessary for efficient management of invasive alien species in road networks. Previous studies identified road type with different traffic volumes as a key driver of seed dispersal and abundance of alien plants along roads. However, how the intensity of traffic interacts with the habitat features of roadsides in shaping invasion processes is not sufficiently understood. To elucidate these interactions, we analyzed the population dynamics of common ragweed (Ambrosia artemisiifolia L.), a common non-indigenous annual species in Europe and other continents, in a regional road network in Germany. Over a period of five years, we recorded plant densities at roadsides along four types of road corridors, subject to different intensities of traffic, and with a total length of about 300 km. We also classified roadsides in regard to habitat features (disturbance, shade). This allowed us to determine corridor- and habitat-specific mean population growth rates and spatial-temporal shifts in roadside plant abundances at the regional scale. Our results show that both traffic intensity and roadside habitat features significantly affect the population dynamics of ragweed. The combination of high traffic intensity and high disturbance intensity led to the highest mean population growth whereas population growth in less suitable habitats (e.g. shaded roadsides) declined with decreasing traffic intensity. We conclude that high traffic facilitates ragweed invasion along roads, likely due to continued seed dispersal, and can compensate partly for less suitable habitat features (i.e. shade) that decrease population growth along less trafficked roads. As a practical implication, management efforts to decline ragweed invasions within road networks (e.g. by repeated mowing) should be prioritized along high trafficked roads, and roadside with disturbed, open habitats should be reduced as far as possible, e.g. by establishing grassland from the regional species pool.
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Ali S, Khan FD, Ullah R, Shah RU, Alamri S, AlHarthi M, Siddiqui MH. Seed germination ecology of Conyza stricta Willd. and implications for management. PLoS One 2020; 15:e0244059. [PMID: 33373381 PMCID: PMC7771675 DOI: 10.1371/journal.pone.0244059] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/02/2020] [Indexed: 11/18/2022] Open
Abstract
Numerous cropping systems of the world are experiencing the emergence of new weed species in response to conservation agriculture. Conyza stricta Willd. is being a newly emerging weed of barley-based cropping systems in response to conservational tillage practices. Seed germination ecology of four populations (irrigated, rainfed, abandoned and ruderal habitats) was studied in laboratory and greenhouse experiments. The presence/absence of seed dormancy was inferred first, which indicated seeds were non-dormant. Seed germination was then recorded under various photoperiods, constant and alternating day/night temperatures, and pH, salinity and osmotic potential levels. Seedling emergence was observed from various seed burial depths. Seeds of all populations proved photoblastic and required 12-hour light/dark period for germination. Seeds of all populations germinated under 5-30°C constant temperature; however, peak germination was recorded under 17.22-18.11°C. Nonetheless, the highest germination was noted under 20/15°C alternating day/night temperature. Ruderal and irrigated populations better tolerated salinity and germinated under 0-500 mM salinity. Similarly, rainfed population proved more tolerant to osmotic potential than other populations. Seeds of all populations required neutral pH for the highest germination, whereas decline was noted in germination under basic and alkaline pH. Seedling emergence was retarded for seeds buried >2 cm depth and no emergence was recorded from >4 cm depth. These results add valuable information towards our understanding of seed germination ecology of C. stricta. Seed germination ability of different populations under diverse environmental conditions suspects that the species can present severe challenges in future if not managed. Deep seed burial along with effective management of the emerging seedlings seems a pragmatic option to manage the species in cultivated fields. However, immediate management strategies are needed for rest of the habitats.
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Affiliation(s)
- Safdar Ali
- Directorate of Land Reclamation, Government of Punjab, Lahore, Pakistan
| | - Fakhar Din Khan
- Directorate of Land Reclamation, Government of Punjab, Lahore, Pakistan
| | - Rehmat Ullah
- Soil and Water Testing Laboratory for Research, Dera Ghazi Khan, Pakistan
| | - Rahmat Ullah Shah
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Saud Alamri
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maeesh AlHarthi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Manzer H. Siddiqui
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
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8
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Sun Y, Bossdorf O, Grados RD, Liao Z, Müller-Schärer H. Rapid genomic and phenotypic change in response to climate warming in a widespread plant invader. GLOBAL CHANGE BIOLOGY 2020; 26:6511-6522. [PMID: 32702177 DOI: 10.1111/gcb.15291] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 07/14/2020] [Indexed: 05/02/2023]
Abstract
Predicting plant distributions under climate change is constrained by our limited understanding of potential rapid adaptive evolution. In an experimental evolution study with the invasive common ragweed (Ambrosia artemisiifolia L.) we subjected replicated populations of the same initial genetic composition to simulated climate warming. Pooled DNA sequencing of parental and offspring populations showed that warming populations experienced greater genetic divergence from their parents, than control populations. In a common environment, offspring from warming populations showed more convergent phenotypes in seven out of nine plant traits, with later flowering and larger biomass, than plants from control populations. For both traits, we also found a significantly higher ratio of phenotypic to genetic differentiation across generations for warming than for control populations, indicating stronger response to selection under warming conditions. As a measure for evolutionary rate, the phenotypic and sequence divergence between generations were assessed using the Haldane metric. Our approach combining comparisons between generations (allochronic) and between treatments (synchronic) in an experimental evolutionary field study, and linking population genomic data with phenotyping analyses provided a powerful test to detect rapid responses to selection. Our findings demonstrate that ragweed populations can rapidly evolve in response to climate change within a single generation. Short-term evolutionary responses to climate change may aggravate the impact of some plant invaders in the future and should be considered when making predictions about future distributions and impacts of plant invaders.
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Affiliation(s)
- Yan Sun
- Plant Evolutionary Ecology, Institute of Evolution & Ecology, University of Tübingen, Tübingen, Germany
| | - Oliver Bossdorf
- Plant Evolutionary Ecology, Institute of Evolution & Ecology, University of Tübingen, Tübingen, Germany
| | - Ramon D Grados
- Plant Evolutionary Ecology, Institute of Evolution & Ecology, University of Tübingen, Tübingen, Germany
- Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - ZhiYong Liao
- Plant Evolutionary Ecology, Institute of Evolution & Ecology, University of Tübingen, Tübingen, Germany
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, China
| | - Heinz Müller-Schärer
- Department of Biology/Ecology & Evolution, University of Fribourg, Fribourg, Switzerland
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Schaffner U, Steinbach S, Sun Y, Skjøth CA, de Weger LA, Lommen ST, Augustinus BA, Bonini M, Karrer G, Šikoparija B, Thibaudon M, Müller-Schärer H. Biological weed control to relieve millions from Ambrosia allergies in Europe. Nat Commun 2020; 11:1745. [PMID: 32317698 PMCID: PMC7174423 DOI: 10.1038/s41467-020-15586-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 03/17/2020] [Indexed: 11/24/2022] Open
Abstract
Invasive alien species (IAS) can substantially affect ecosystem services and human well-being. However, quantitative assessments of their impact on human health are rare and the benefits of implementing IAS management likely to be underestimated. Here we report the effects of the allergenic plant Ambrosia artemisiifolia on public health in Europe and the potential impact of the accidentally introduced leaf beetle Ophraella communa on the number of patients and healthcare costs. We find that, prior to the establishment of O. communa, some 13.5 million persons suffered from Ambrosia-induced allergies in Europe, causing costs of Euro 7.4 billion annually. Our projections reveal that biological control of A. artemisiifolia will reduce the number of patients by approximately 2.3 million and the health costs by Euro 1.1 billion per year. Our conservative calculations indicate that the currently discussed economic costs of IAS underestimate the real costs and thus also the benefits from biological control. Invasive plants can adversely affect ecosystems and economic costs. Here, the authors quantify the impact of the invasive plant Ambrosia artemisiifolia on seasonal allergies and health costs across Europe, finding that the costs are considerably higher than what previously reported, and estimate also the reduction in the number of patients and health costs that may be obtained with biological control
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Affiliation(s)
| | - Sandro Steinbach
- Department of Agricultural and Resource Economics, University of Connecticut, Storrs, CT, 06269, USA.,Department of Management, Technology and Economics, ETH Zurich, 8006, Zurich, Switzerland
| | - Yan Sun
- Department of Biology, University of Fribourg, 1700, Fribourg, Switzerland
| | - Carsten A Skjøth
- School of Science and the Environment, University of Worcester, Worcester, WR2 6AJ, UK
| | - Letty A de Weger
- Department of Pulmonology, Leiden University Medical Center, 2300RC, Leiden, The Netherlands
| | - Suzanne T Lommen
- Department of Biology, University of Fribourg, 1700, Fribourg, Switzerland.,Institute of Biology, Leiden University, 2333BE, Leiden, The Netherlands
| | - Benno A Augustinus
- CABI, 2800, Delémont, Switzerland.,Department of Biology, University of Fribourg, 1700, Fribourg, Switzerland
| | - Maira Bonini
- Agency for Health Protection of Metropolitan Area of Milan (ATS), 20122, Milano, Italy
| | - Gerhard Karrer
- Institute of Botany, University of Natural Resources and Life Sciences, 1180, Vienna, Austria
| | - Branko Šikoparija
- BioSense Institute - Research Institute for Information Technologies in Biosystems, University of Novi Sad, 21101, Novi Sad, Serbia
| | - Michel Thibaudon
- French Network of Aerobiological Monitoring RNSA, 69690, Brussieu, France
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Augustinus BA, Lommen STE, Fogliatto S, Vidotto F, Smith T, Horvath D, Bonini M, Gentili RF, Citterio S, Müller-Schärer H, Schaffner U. In-season leaf damage by a biocontrol agent explains reproductive output of an invasive plant species. NEOBIOTA 2020. [DOI: 10.3897/neobiota.55.46874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
One of the biggest challenges in classical biological control of invasive weeds is predicting the likelihood of success. Ambrosia artemisiifolia, a North American plant species that has become invasive in Europe, causes economic losses due to health problems resulting from its huge amount of highly allergenic pollen and as a weed to agricultural crops resulting from high seed densities. Here we assessed whether the pollen and seed output of the annual A. artemisiifolia (at the end of the season) is related to in-season abundance of, or damage by, the accidentally introduced biological control agent Ophraella communa. We monitored the growth and leaf damage of individually labelled A. artemisiifolia plants at four locations in Northern Italy and recorded abundance of different O. communa life stages at regular intervals. We found that the in-season level of leaf damage by O. communa consistently helped to explain seed production in combination with plant volume and site throughout the season. Feeding damage, plant volume and site also explained pollen production by A. artemisiifolia six weeks before male flower formation. At three out of four sites, plants with more than 10% leaf damage in mid-June or early July had a very low likelihood of seed formation. Leaf damage proved to be a better explanatory variable than O. communa abundance. Our results suggest that the monitoring of the in-season leaf damage can help to project the local impact of O. communa on A. artemisiifolia at the end of the season and thus inform management regarding the needs for additional measures to control this prominent invader.
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11
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Augustinus B, Sun Y, Beuchat C, Schaffner U, Müller-Schärer H. Predicting impact of a biocontrol agent: integrating distribution modeling with climate-dependent vital rates. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2020; 30:e02003. [PMID: 31519029 DOI: 10.1002/eap.2003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 06/28/2019] [Accepted: 07/30/2019] [Indexed: 06/10/2023]
Abstract
Species distribution models can predict the suitable climatic range of a potential biological control agent (BCA), but they provide little information on the BCA's potential impact. To predict high population buildup, a prerequisite of biocontrol impact, studies are needed that assess the effect of environmental factors on vital rates of a BCA across the environmental gradient of the BCA's suitable habitats, especially for the region where the BCA is considered for field release. We extended a published species distribution model with climate-dependent vital rates of Ophraella communa, a recently and accidentally introduced potential BCA of common ragweed, Ambrosia artemisiifolia in Europe. In field and laboratory experiments, we collected data on climate-dependent parameters assumed to be the most relevant for the population buildup of O. communa, i.e., temperature driving the number of generations per year and relative humidity (RH) determining egg hatching success. We found that O. communa concluded one generation in 334 cumulative degree days, and that egg hatching success strongly decreased from > 80% to < 20% when RH drops from 55% to 45% during the day. We used these values to spatially explicitly project population densities across the European range suitable for both A. artemisiifolia and the beetle and found that the present distribution of the beetle in Europe is within the range with the highest projected population growth. The highest population density of O. communa was predicted for northern Italy and parts of western Russia and western Georgia. Field observations of high impact on A. artemisiifolia with records of 80% aerial pollen reduction in the Milano area since the establishment of O. communa are in line with these predictions. The relative importance of temperature and RH on the population density of O. communa varies considerably across its suitable range in Europe. We propose that the combined statistical and mechanistic approach outlined in this paper helps to more accurately predict the potential impact of a weed BCA than a species distribution model alone. Identifying the factors limiting the population buildup of a BCA across the suitable range allows implementation of more targeted release and management strategies to optimize biocontrol efficacy.
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Affiliation(s)
- Benno Augustinus
- CABI, Delémont, 2800, Switzerland
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland
| | - Yan Sun
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland
| | - Carine Beuchat
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland
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12
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van Boheemen LA, Bou‐Assi S, Uesugi A, Hodgins KA. Rapid growth and defence evolution following multiple introductions. Ecol Evol 2019; 9:7942-7956. [PMID: 31380062 PMCID: PMC6662289 DOI: 10.1002/ece3.5275] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/23/2019] [Accepted: 05/04/2019] [Indexed: 01/02/2023] Open
Abstract
Rapid adaptation can aid invasive populations in their competitive success. Resource allocation trade-off hypotheses predict higher resource availability or the lack of natural enemies in introduced ranges allow for increased growth and reproduction, thus contributing to invasive success. Evidence for such hypotheses is however equivocal and tests among multiple ranges over productivity gradients are required to provide a better understanding of the general applicability of these theories.Using common gardens, we investigated the adaptive divergence of various constitutive and inducible defence-related traits between the native North American and introduced European and Australian ranges, while controlling for divergence due to latitudinal trait clines, individual resource budgets, and population differentiation, using >11,000 SNPs.Rapid, repeated clinal adaptation in defence-related traits was apparent despite distinct demographic histories. We also identified divergence among ranges in some defence-related traits, although differences in energy budgets among ranges may explain some, but not all, defence-related trait divergence. We do not identify a general reduction in defence in concert with an increase in growth among the multiple introduced ranges as predicted trade-off hypotheses. Synthesis: The rapid spread of invasive species is affected by a multitude of factors, likely including adaptation to climate and escape from natural enemies. Unravelling the mechanisms underlying invasives' success enhances understanding of eco-evolutionary theory and is essential to inform management strategies in the face of ongoing climate change. OPEN RESEARCH BADGES This article has been awarded Open Materials, Open Data, Preregistered Research Designs Badges. All materials and data are publicly accessible via the Open Science Framework at https://doi.org/10.6084/m9.figshare.8028875.v1, https://github.com/lotteanna/defence_adaptation,https://doi.org/10.1101/435271.
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Affiliation(s)
| | - Sarah Bou‐Assi
- School of Biological SciencesMonash UniversityClaytonVictoriaAustralia
| | - Akane Uesugi
- School of Biological SciencesMonash UniversityClaytonVictoriaAustralia
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13
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Müller-Schärer H, Sun Y, Chauvel B, Karrer G, Kazinczi G, Kudsk P, Oude AL, Schaffner U, Skjoth C, Smith M, Vurro M, de Weger L, Lommen S. Cross-fertilizing weed science and plant invasion science to improve efficient management: A European challenge. Basic Appl Ecol 2018. [DOI: 10.1016/j.baae.2018.08.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Lemke A, Kowarik I, Lippe M. How traffic facilitates population expansion of invasive species along roads: The case of common ragweed in Germany. J Appl Ecol 2018. [DOI: 10.1111/1365-2664.13287] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andreas Lemke
- Department of EcologyEcosystem Science/Plant EcologyTechnische Universität Berlin Berlin Germany
- Berlin‐Brandenburg Institute of Advanced Biodiversity Research (BBIB) Berlin Germany
| | - Ingo Kowarik
- Department of EcologyEcosystem Science/Plant EcologyTechnische Universität Berlin Berlin Germany
- Berlin‐Brandenburg Institute of Advanced Biodiversity Research (BBIB) Berlin Germany
| | - Moritz Lippe
- Department of EcologyEcosystem Science/Plant EcologyTechnische Universität Berlin Berlin Germany
- Berlin‐Brandenburg Institute of Advanced Biodiversity Research (BBIB) Berlin Germany
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15
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Lommen STE, Jongejans E, Leitsch-Vitalos M, Tokarska-Guzik B, Zalai M, Müller-Schärer H, Karrer G. Time to cut: population models reveal how to mow invasive common ragweed cost-effectively. NEOBIOTA 2018. [DOI: 10.3897/neobiota.39.23398] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Roadsides are an important habitat for invasive common ragweed, Ambrosiaartemisiifolia L., by facilitating seed dispersal. Reducing the size of roadside populations is therefore essential for confining this highly allergenic species. Here, we aim to determine the cost-effectiveness of mowing regimes varying in frequency and timing, by analysing population-level effects and underlying demographic processes. We constructed population models of A.artemisiifolia parameterised by demographic data for four unmanaged reference populations across Europe in two years. We integrated the effects of four experimental mowing regimes along Austrian road sides on plant performance traits of five years and experimental data on seed viability after cutting. All four experimental regimes reduced the projected intrinsic population growth rates (r) compared to the unmanaged controls by reducing plant height and seed viability, thereby counteracting increased size-dependent fecundity. The prevailing 2-cut regime in Austria (cutting during vegetative growth, here in June and just before seed ripening, here in September) performed least well and the reduction in r was mainly due to reduced seed viability after the second cut. The efficacy of the two best experimental regimes (alternative schemes for 2 or 3 cuts) was mainly due to cutting just before female flowering (here in August) by decreasing final adult plant height dramatically and thereby reducing seed numbers. Patterns were consistent across reference populations and years. Whether regimes reduced r below replacement level, however, varied per population, year and the survival rate of the seeds in the soil bank. Our model allowed projecting effects of five theoretical mowing regimes with untested combinations of cuts on r. By plotting r-cost relationships for all regimes, we identified the most cost-effective schemes for each cutting frequency (1–3 cuts). They all included the cut just before female flowering, highlighting the importance of cutting at this moment (here in August). Our work features i) the suitability of a modelling approach for the demography of an annual species with a seed bank, ii) the importance of seed viability in assessing mowing effects, iii) the use of population models in designing cost-effective mowing regimes.
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