37 research outputs found

    Agriculture intensification reduces plant taxonomic and functional diversity across European arable systems

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    Los autores de la UAM pertenecen al Terrestrial Ecology Group (TEG)Agricultural intensification is one of the main drivers of species loss worldwide, but there is still a lack of information about its effect on functional diversity of arable weed communities. Using a large-scale pan European study including 786 fields within 261 farms from eight countries, we analysed differences in the taxonomic and functional diversity of arable weeds assemblages across different levels of agricultural intensification. We estimated weed species frequency in each field, and collected species' traits (vegetative height, SLA and seed mass) from the TRY plant trait database. With this information, we estimated taxonomic (species richness), functional composition (community weighted means) and functional diversity (functional richness, evenness, divergence and redundancy). We used indicators of agricultural management intensity at the individual field scale (e.g. yield, inputs of nitrogen fertilizer and herbicides, frequency of mechanical weed control practices) and at the landscape scale surrounding the field (i.e. number of crop types, mean field size and proportion of arable land cover within a radius of 500 m from the sampling points). The effects of agricultural intensification on species and functional richness at the field scale were stronger than those of intensification at the landscape scale, and we did not observe evidence of interacting effects between the two scales. Overall, assemblages in more intensified areas had fewer species, a higher prevalence of species with ruderal strategies (low stature, high leaf area, light seeds), and lower functional redundancy. Maintaining the diversity of Europe's arable weed communities requires some simple management interventions, for example, reducing the high intensity of field-level agricultural management across Europe, which could be complemented by interventions that increase landscape complexity. A free Plain Language Summary can be found within the Supporting Information of this articl

    Fungal Planet description sheets: 1284–1382

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    Novel species of fungi described in this study include those from various countries as follows: Antartica, Cladosporium austrolitorale from coastal sea sand. Australia, Austroboletus yourkae on soil, Crepidotus innuopurpureus on dead wood, Curvularia stenotaphri from roots and leaves of Stenotaphrum secundatum and Thecaphora stajsicii from capsules of Oxalis radicosa. Belgium, Paraxerochrysium coryli (incl. Paraxerochrysium gen. nov.) from Corylus avellana. Brazil, Calvatia nordestina on soil, Didymella tabebuiicola from leaf spots on Tabebuia aurea, Fusarium subflagellisporum from hypertrophied floral and vegetative branches of Mangifera indica and Microdochium maculosum from living leaves of Digitaria insularis. Canada, Cuphophyllus bondii fromagrassland. Croatia, Mollisia inferiseptata from a rotten Laurus nobilis trunk. Cyprus, Amanita exilis oncalcareoussoil. Czech Republic, Cytospora hippophaicola from wood of symptomatic Vaccinium corymbosum. Denmark, Lasiosphaeria deviata on pieces of wood and herbaceousdebris. Dominican Republic, Calocybella goethei among grass on a lawn. France (Corsica) , Inocybe corsica onwetground. France (French Guiana) , Trechispora patawaensis on decayed branch of unknown angiosperm tree and Trechispora subregularis on decayed log of unknown angiosperm tree. Germany, Paramicrothecium sambuci (incl. Paramicrothecium gen. nov.)ondeadstemsof Sambucus nigra. India, Aureobasidium microtermitis from the gut of a Microtermes sp. termite, Laccaria diospyricola on soil and Phylloporia tamilnadensis on branches of Catunaregam spinosa. Iran, Pythium serotinoosporum from soil under Prunus dulcis. Italy, Pluteus brunneovenosus on twigs of broad leaved trees on the ground. Japan, Heterophoma rehmanniae on leaves of Rehmannia glutinosa f. hueichingensis. Kazakhstan, Murispora kazachstanica from healthy roots of Triticum aestivum. Namibia, Caespitomonium euphorbiae (incl. Caespitomonium gen. nov.)from stems of an Euphorbia sp. Netherlands, Alfaria junci, Myrmecridium junci, Myrmecridium juncicola, Myrmecridium juncigenum, Ophioceras junci, Paradinemasporium junci (incl. Paradinemasporium gen. nov.), Phialoseptomonium junci, Sporidesmiella juncicola, Xenopyricularia junci and Zaanenomyces quadripartis (incl. Zaanenomyces gen. nov.), fromdeadculmsof Juncus effusus, Cylindromonium everniae and Rhodoveronaea everniae from Evernia prunastri, Cyphellophora sambuci and Myrmecridium sambuci from Sambucus nigra, Kiflimonium junci, Saro cladium junci, Zaanenomyces moderatricis academiae and Zaanenomyces versatilis from dead culms of Juncus inflexus, Microcera physciae from Physcia tenella, Myrmecridium dactylidis from dead culms of Dactylis glomerata, Neochalara spiraeae and Sporidesmium spiraeae from leaves of Spiraea japonica, Neofabraea salicina from Salix sp., Paradissoconium narthecii (incl. Paradissoconium gen. nov.)from dead leaves of Narthecium ossifragum, Polyscytalum vaccinii from Vaccinium myrtillus, Pseudosoloacrosporiella cryptomeriae (incl. Pseudosoloacrosporiella gen. nov.)fromleavesof Cryptomeria japonica, Ramularia pararhabdospora from Plantago lanceolata, Sporidesmiella pini from needles of Pinus sylvestris and Xenoacrodontium juglandis (incl. Xenoacrodontium gen. nov. and Xenoacrodontiaceae fam. nov.)from Juglans regia. New Zealand, Cryptometrion metrosideri from twigs of Metrosideros sp., Coccomyces pycnophyllocladi from dead leaves of Phyllocladus alpinus, Hypoderma aliforme from fallen leaves Fuscopora solandri and Hypoderma subiculatum from dead leaves Phormium tenax. Norway, Neodevriesia kalakoutskii from permafrost and Variabilispora viridis from driftwood of Picea abies. Portugal, Entomortierella hereditatis from abio film covering adeteriorated limestone wall. Russia, Colpoma junipericola from needles of Juniperus sabina, Entoloma cinnamomeum on soil in grasslands, Entoloma verae on soil in grasslands, Hyphodermella pallidostraminea on a dry dead branch of Actinidia sp., Lepiota sayanensis onlitterinamixedforest, Papiliotrema horticola from Malus communis , Paramacroventuria ribis (incl. Paramacroventuria gen. nov.)fromleaves of Ribes aureum and Paramyrothecium lathyri from leaves of Lathyrus tuberosus. South Africa, Harzia combreti from leaf litter of Combretum collinum ssp. sulvense, Penicillium xyleborini from Xyleborinus saxesenii , Phaeoisaria dalbergiae from bark of Dalbergia armata, Protocreopsis euphorbiae from leaf litter of Euphorbia ingens and Roigiella syzygii from twigs of Syzygium chordatum. Spain, Genea zamorana on sandy soil, Gymnopus nigrescens on Scleropodium touretii, Hesperomyces parexochomi on Parexochomus quadriplagiatus, Paraphoma variabilis from dung, Phaeococcomyces kinklidomatophilus from a blackened metal railing of an industrial warehouse and Tuber suaveolens in soil under Quercus faginea. Svalbard and Jan Mayen, Inocybe nivea associated with Salix polaris. Thailand, Biscogniauxia whalleyi oncorticatedwood. UK, Parasitella quercicola from Quercus robur. USA , Aspergillus arizonicus from indoor air in a hospital, Caeliomyces tampanus (incl. Caeliomyces gen. nov.)fromoffice dust, Cippumomyces mortalis (incl. Cippumomyces gen. nov.)fromatombstone, Cylindrium desperesense from air in a store, Tetracoccosporium pseudoaerium from air sample in house, Toxicocladosporium glendoranum from air in a brick room, Toxicocladosporium losalamitosense from air in a classroom, Valsonectria portsmouthensis from airinmen'slockerroomand Varicosporellopsis americana from sludge in a water reservoir. Vietnam, Entoloma kovalenkoi on rotten wood, Fusarium chuoi inside seed of Musa itinerans , Micropsalliota albofelina on soil in tropical evergreen mixed forest sand Phytophthora docyniae from soil and roots of Docynia indica. Morphological and culture characteristics are supported by DNA barcodes

    Invasion success of a widespread invasive predator may be explained by a high predatory efficacy but may be influenced by pathogen infection

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    Invasive alien species (IAS) can drive community change through ecological interactions. Parasites and pathogens can play an important role in community function including mitigating or enhancing IAS impacts. Despite this, the degree to which pathogen pressure influences IAS impacts remains poorly understood. We quantified the predatory behaviour of the highly invasive alien harlequin ladybird (Harmonia axyridis) and two UK native species, the 7-spot (Coccinella septempunctata) and 2-spot (Adalia bipunctata) ladybirds, using comparative functional response experiments. We investigated the impacts of pathogen infection on the predatory ability of the ladybirds by exposing individuals to Beauveria bassiana, a widespread entomopathogen. Invasive H. axyridis was a more efficient predator than both the native A. bipunctata and C. septempunctata, often having higher attack and/or lower prey handling time coefficients, whereas native A. bipunctata were the least efficient predators. These differences were found in both adult and larval life-stages. Beauveria bassiana infection significantly altered the predatory efficiency of adult and larval ladybird predators. The effects of pathogenic infection differed between species and life-stage but in many cases infection resulted in a reduced predatory ability. We suggest that the interactions between IAS and pathogens are integral to determining invasion success and impact

    Invasion success of a widespread invasive predator may be explained by a high predatory efficacy but may be influenced by pathogen infection

    Get PDF
    Invasive alien species (IAS) can drive community change through ecological interactions. Parasites and pathogens can play an important role in community function including mitigating or enhancing IAS impacts. Despite this, the degree to which pathogen pressure influences IAS impacts remains poorly understood. We quantified the predatory behaviour of the highly invasive alien harlequin ladybird (Harmonia axyridis) and two UK native species, the 7-spot (Coccinella septempunctata) and 2-spot (Adalia bipunctata) ladybirds, using comparative functional response experiments. We investigated the impacts of pathogen infection on the predatory ability of the ladybirds by exposing individuals to Beauveria bassiana, a widespread entomopathogen. Invasive H. axyridis was a more efficient predator than both the native A. bipunctata and C. septempunctata, often having higher attack and/or lower prey handling time coefficients, whereas native A. bipunctata were the least efficient predators. These differences were found in both adult and larval life-stages. Beauveria bassiana infection significantly altered the predatory efficiency of adult and larval ladybird predators. The effects of pathogenic infection differed between species and life-stage but in many cases infection resulted in a reduced predatory ability. We suggest that the interactions between IAS and pathogens are integral to determining invasion success and impact

    Fungal Planet description sheets: 1284-1382

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    Novel species of fungi described in this study include those from various countries as follows: Antartica, Cladosporium austrolitorale from coastal sea sand. Australia, Austroboletus yourkae on soil, Crepidotus innuopurpureus on dead wood, Curvularia stenotaphri from roots and leaves of Stenotaphrum secundatum and Thecaphora stajsicii from capsules of Oxalis radicosa. Belgium, Paraxerochrysium coryli (incl. Paraxerochrysium gen. nov.) from Corylus avellana. Brazil, Calvatia nordestina on soil, Didymella tabebuiicola from leaf spots on Tabebuia aurea, Fusarium subflagellisporum from hypertrophied floral and vegetative branches of Mangifera indica and Microdochium maculosum from living leaves of Digitaria insularis. Canada, Cuphophyllus bondii fromagrassland. Croatia, Mollisia inferiseptata from a rotten Laurus nobilis trunk. Cyprus, Amanita exilis oncalcareoussoil. Czech Republic, Cytospora hippophaicola from wood of symptomatic Vaccinium corymbosum. Denmark, Lasiosphaeria deviata on pieces of wood and herbaceousdebris. Dominican Republic, Calocybella goethei among grass on a lawn. France (Corsica) , Inocybe corsica onwetground. France (French Guiana) , Trechispora patawaensis on decayed branch of unknown angiosperm tree and Trechispora subregularis on decayed log of unknown angiosperm tree. [...]P.R. Johnston thanks J. Sullivan (Lincoln University) for the habitat image of Kowai Bush, Duckchul Park (Manaaki Whenua – Landcare Research) for the DNA sequencing, and the New Zealand Department of Conservation for permission to collect the specimens; this research was supported through the Manaaki Whenua – Landcare Research Biota Portfolio with funding from the Science and Innovation Group of the New Zealand Ministry of Business, Innovation and Employment. V. Hubka was supported by the Czech Ministry of Health (grant number NU21-05-00681), and is grateful for the support from the Japan Society for the Promotion of Science – grant-in-aid for JSPS research fellow (grant no. 20F20772). K. Glässnerová was supported by the Charles University Grant Agency (grant No. GAUK 140520). J. Trovão and colleagues were financed by FEDERFundo Europeu de Desenvolvimento Regional funds through the COMPETE 2020 – Operational Programme for Competitiveness and Internationalisation (POCI), and by Portuguese funds through FCT – Fundação para a Ciência e a Tecnologia in the framework of the project POCI-01-0145-FEDER-PTDC/ EPH-PAT/3345/2014. This work was carried out at the R&D Unit Centre for Functional Ecology – Science for People and the Planet (CFE), with reference UIDB/04004/2020, financed by FCT/MCTES through national funds (PIDDAC). J. Trovão was also supported by POCH – Programa Operacional Capital Humano (co-funding by the European Social Fund and national funding by MCTES), through a ‘FCT – Fundação para a Ciência e Tecnologia’ PhD research grant (SFRH/BD/132523/2017). D. Haelewaters acknowledges support from the Research Foundation – Flanders (Junior Postdoctoral Fellowship 1206620N). M. Loizides and colleagues are grateful to Y. Cherniavsky for contributing collections AB A12-058-1 and AB A12- 058-2, and Á. Kovács and B. Kiss for their help with molecular studies of these specimens. C. Zmuda is thanked for assisting with the collection of ladybird specimens infected with Hesperomyces parexochomi. A.V. Kachalkin and colleagues were supported by the Russian Science Foundation (grant No. 19-74-10002). The study of A.M. Glushakova was carried out as part of the Scientific Project of the State Order of the Government of Russian Federation to Lomonosov Moscow State University No. 121040800174-6. S. Nanu acknowledges the Kerala State Council for Science, Technology and Environment (KSCSTE) for granting a research fellowship and is grateful to the Chief Conservator of Forests and Wildlife for giving permission to collect fungal samples. A. Bañares and colleagues thank L. Monje and A. Pueblas of the Department of Drawing and Scientific Photography at the University of Alcalá for their help in the digital preparation of the photographs, and J. Rejos, curator of the AH herbarium for his assistance with the specimens examined in the present study. The research of V. Antonín received institutional support for long-term conceptual development of research institutions provided by the Ministry of Culture (Moravian Museum, ref. MK000094862). The studies of E.F. Malysheva, V.F. Malysheva, O.V. Morozova, and S.V. Volobuev were carried out within the framework of a research project of the Komarov Botanical Institute RAS, St Petersburg, Russia (АААА-А18-118022090078-2) using equipment of its Core Facility Centre ‘Cell and Molecular Technologies in Plant Science’.The study of A.V. Alexandrova was carried out as part of the Scientific Project of the State Order of the Government of Russian Federation to Lomonosov Moscow State University No. 121032300081-7. The Kits van Waveren Foundation (Rijksherbariumfonds Dr E. Kits van Waveren, Leiden, Netherlands) contributed substantially to the costs of sequencing and travelling expenses for M.E. Noordeloos. The work of B. Dima was partly supported by the ÚNKP- 20-4 New National Excellence Program of the Ministry for Innovation and Technology from the source of the National Research, Development and Innovation Fund. The work of L. Nagy was supported by the ‘Momentum’ program of the Hungarian Academy of Sciences (contract No. LP2019- 13/2019 to L.G.N.). G.A. Kochkina and colleagues acknowledge N. Demidov for the background photograph, and N. Suzina for the SEM photomicrograph. The research of C.M. Visagie and W.J. Nel was supported by the National Research Foundation grant no 118924 and SFH170610239162. C. Gil-Durán acknowledges Agencia Nacional de Investigación y Desarrollo, Ministerio de Ciencia, Tecnología, Conocimiento e Innovación, Gobierno de Chile, for grant ANID – Fondecyt de Postdoctorado 2021 – N° 3210135. R. Chávez and G. Levicán thank DICYT-USACH and acknowledges the grants INACH RG_03-14 and INACH RT_31-16 from the Chilean Antarctic Institute, respectively. S. Tiwari and A. Baghela would like to acknowledge R. Avchar and K. Balasubramanian from the Agharkar Research Institute, Pune, Maharashtra for helping with the termite collection. S. Tiwari is also thankful to the University Grants Commission, Delhi (India) for a junior research fellowship (827/(CSIR-UGC NET DEC.2017)). R. Lebeuf and I. Saar thank D. and H. Spencer for collecting and photographing the holotype of C. bondii, and R. Smith for photographing the habitat. A. Voitk is thanked for helping with the colour plate and review of the manuscript, and the Foray Newfoundland and Labrador for providing the paratype material. I. Saar was supported by the Estonian Research Council (grant PRG1170) and the European Regional Development Fund (Centre of Excellence EcolChange). M.P.S. Câmara acknowledges the ‘Conselho Nacional de Desenvolvimento Científico e Tecnológico – CNPq’ for the research productivity fellowship, and financial support (Universal number 408724/2018-8). W.A.S. Vieira acknowledges the ‘Coordenação de Aperfeiçoamento Pessoal de Ensino Superior – CAPES’ and the ‘Programa Nacional de Pós-Doutorado/CAPES – PNPD/CAPES’ for the postdoctoral fellowship. A.G.G. Amaral acknowledges CNPq, and A.F. Lima and I.G. Duarte acknowledge CAPES for the doctorate fellowships. F. Esteve-Raventós and colleagues were financially supported by FEDER/ Ministerio de Ciencia, Innovación y Universidades – Agencia Estatal de Investigación (Spain)/ Project CGL2017-86540-P. The authors would like to thank L. Hugot and N. Suberbielle (Conservatoire Botanique National de Corse, Office de l’Environnement de la Corse, Corti) for their help. The research of E. Larsson is supported by The Swedish Taxonomy Initiative, SLU Artdatabanken, Uppsala. Financial support was provided to R.J. Ferreira by the National Council for Scientific and Technological Development (CNPq), and to I.G. Baseia, P.S.M. Lúcio and M.P. Martín by the National Council for Scientific and Technological Development (CNPq) under CNPq-Universal 2016 (409960/2016-0) and CNPq-visiting researcher (407474/2013-7). J. Cabero and colleagues wish to acknowledge A. Rodríguez for his help to describe Genea zamorana, as well as H. Hernández for sharing information about the vegetation of the type locality. S. McMullan-Fisher and colleagues acknowledge K. Syme (assistance with illustrations), J. Kellermann (translations), M. Barrett (collection, images and sequences), T. Lohmeyer (collection and images) and N. Karunajeewa (for prompt accessioning). This research was supported through funding from Australian Biological Resources Study grant (TTC217-06) to the Royal Botanic Gardens Victoria. The research of M. Spetik and co-authors was supported by project No. CZ.02.1.01/0.0/0.0 /16_017/0002334. N. Wangsawat and colleagues were partially supported by NRCT and the Royal Golden Jubilee Ph.D. programme, grant number PHD/0218/2559. They are thankful to M. Kamsook for the photograph of the Phu Khiao Wildlife Sanctuary and P. Thamvithayakorn for phylogenetic illustrations. The study by N.T. Tran and colleagues was funded by Hort Innovation (Grant TU19000). They also thank the turf growers who supported their surveys and specimen collection. N. Matočec, I. Kušan, A. Pošta, Z. Tkalčec and A. Mešić thank the Croatian Science Foundation for their financial support under the project grant HRZZ-IP-2018-01-1736 (ForFungiDNA). A. Pošta thanks the Croatian Science Foundation for their support under the grant HRZZ-2018-09-7081. A. Morte is grateful to Fundación Séneca – Agencia de Ciencia y Tecnología de la Región de Murcia (20866/ PI/18) for financial support. The research of G. Akhmetova, G.M. Kovács, B. Dima and D.G. Knapp was supported by the National Research, Development and Innovation Office, Hungary (NKFIH KH-130401 and K-139026), the ELTE Thematic Excellence Program 2020 supported by the National Research, Development and Innovation Office (TKP2020-IKA-05) and the Stipendium Hungaricum Programme. The support of the János Bolyai Research Scholarship of the Hungarian Academy of Sciences and the Bolyai+ New National Excellence Program of the Ministry for Innovation and Technology to D.G. Knapp is highly appreciated. F.E. Guard and colleagues are grateful to the traditional owners, the Jirrbal and Warungu people, as well as L. and P. Hales, Reserve Managers, of the Yourka Bush Heritage Reserve. Their generosity, guidance, and the opportunity to explore the Bush Heritage Reserve on the Einasleigh Uplands in far north Queensland is greatly appreciated. The National Science Foundation (USA) provided funds (DBI#1828479) to the New York Botanical Garden for a scanning electron microscope used for imaging the spores. V. Papp was supported by the ÚNKP-21-5 New National Excellence Program of the Ministry for Innovation and Technology from the National Research, Development and Innovation Fund of Hungary. A.N. Miller thanks the WM Keck Center at the University of Illinois Urbana – Champaign for sequencing Lasiosphaeria deviata. J. Pawłowska acknowledges support form National Science Centre, Poland (grant Opus 13 no 2017/25/B/NZ8/00473). The research of T.S. Bulgakov was carried out as part of the State Research Task of the Subtropical Scientific Centre of the Russian Academy of Sciences (Theme No. 0492-2021- 0007). K. Bensch (Westerdijk Fungal Biodiversity Institute, Utrecht) is thanked for correcting the spelling of various Latin epithets.Peer reviewe

    Inwazyjna biedronka azjatycka Harmonia axyridis (Pallas, 1773) (Coleoptera: coccinellidae) w pokarmie kopciuszka Phoenicurus ochruros

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    Jedna z wypluwek kopciuszka znalezionych w dn. 19 VII 2015 w Brzozówce w Kampinoskim Parku Narodowym zawierała pokrywy skrzydłowe i inne chitynowe fragmenty biedronki azjatyckiej Harmonia axyridis forma succinea. Obserwacja jest warta odnotowania gdyż biedronki bardzo rzadko łowione są przez drapieżniki z uwagi na gorzki smak i zawartość toksycznych związków w ich ciele. Rozpoznanie naturalnych wrogów biedronki azjatyckiej jest dodatkowo ważne z uwagi na potencjalny negatywny wpływ tego inwazyjnego gatunku na ojczystą faunę

    New data on ladybird beetles (Coleoptera: Coccinellidae) of Wigry National Park

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    Ladybird beetles were surveyed in 2014-2016 in Wigry National Park (NE Poland). Thirty three species were recorded. The most abundant were Subcoccinella vigintiquatuorpunctata (20% of all ladybird individuals) and Coccinella quinquepunctata (17% of all individuals). Contribution of the invasive harlequin ladybird (Harmonia axyridis) was low (1% of all individuals). Seven species registered in this study (Coccidula rufa, Scymnus suturalis, S. nigrinus, Stethorus pusillus, Vibidia duodecimguttata, Anatis ocellata and Coccinella magnifica) have not previously been reported from the area of Wigry National Park. At present, 45 species of ladybird beetles are known to occur in Wigry National Park

    Records of the Asian clam Corbicula fluminea (O. F. Müller, 1774) (Veneroida: Corbiculidae) in the Vistula River in Warsaw

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    Two empty shells of the Asian clam Corbicula fluminea were recorded on left bank of Vistula river in Warsaw (52°17’07”N, 20°59’42”E) on 29 June, 2016 (photo 4). Altogether, 19 paired and 76 single empty valves were collected during following surveys of left and right banks of the river and two oxbows within city limits in July and August 2016. A total of 8 live bivalves were collected from the river bed and the oxbow at the depth of about 40 cm. The largest empty shell was 31.6 mm wide and 29.1 mm long. The live specimens measured 9.4-22.5 mm in width and 8.3-25.2 mm in length. The records of the Asian clam Corbicula fluminea in Warsaw document spreading of this invasive species down the Vistula River from the upper part of the river
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