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298 results for “biological invasions”
FIGURES 31–33 in Taxonomic history and invasion biology of two Phyllonorycter leaf miners (Lepidoptera: Gracillariidae) with links to taxonomic and molecular datasets
FIGURES 31–33. The neotype of Phyllonorycter mespilella. 31, male, Germany, Württemberg, iv.[19]69. Scale bar 1 mm. 32, the collecting and the male genitalia preparation labels of the neotype of Phyllonorycter mespilella. 33, the male genitalia of the neotype of Phyllonorycter mespilella, gen. prep. Triberti 3175♂. Scale bar 200 µm.
FIGURES 34–37. Phyllonorycter trifasciella, adult. 34 in Taxonomic history and invasion biology of two Phyllonorycter leaf miners (Lepidoptera: Gracillariidae) with links to taxonomic and molecular datasets
FIGURES 34–37. Phyllonorycter trifasciella, adult. 34, male, Canary Islands, Tenerife, 30.xii.1982. Scale bar 1 mm. 35, male genitalia, gen. prep. De Prins 3806♂. 36, same preparation, aedoeagus. Scale bar 200 µm. 37, the lectotype of Phyllonorycter trifasciella, female, specimen No YORYM 2012.749, in the collection of the Yorkshire Museum and Gardens.
FIGURES 25–30 in Taxonomic history and invasion biology of two Phyllonorycter leaf miners (Lepidoptera: Gracillariidae) with links to taxonomic and molecular datasets
FIGURES 25–30. The biotope and leaf mines of Phyllonorycter mespilella on Malus domestica Borkh., Canary Islands, La Palma, 31.x.2007. 25, mine, adaxial view. 26, mine abaxial view. 27, mine of the third instar larva, parenchymal tissue is consumed in spots, adaxial view. 28, pupa protrudes the mine before the emergence of the adult, abaxial view. 29, the biotope of Phyllonorycter mespilella in the Canary Islands, La Palma, 31.x. 2007. 30, Malus domestica Borkh, the host plant of Phyllonorycter mespilella in the Canary Islands, La Palma.
FIGURES 19–24. Phyllonorycter mespilella, pupa. 19 in Taxonomic history and invasion biology of two Phyllonorycter leaf miners (Lepidoptera: Gracillariidae) with links to taxonomic and molecular datasets
FIGURES 19–24. Phyllonorycter mespilella, pupa. 19, same as Fig.17, detail 2. Arrows indicate dorsal, latero-dorsal and lateral setae on A2. 20, segments A7–8 with two pairs of setae, lateral view. 21, cremaster, dorsal view. 22, cremaster, lateral view. 23, cremaster, ventral view. 24, cremaster, caudal view. Scale bar as indicated.
FIGURES 13–18. Phyllonorycter mespilella, pupa. 13 in Taxonomic history and invasion biology of two Phyllonorycter leaf miners (Lepidoptera: Gracillariidae) with links to taxonomic and molecular datasets
FIGURES 13–18. Phyllonorycter mespilella, pupa. 13, cocoon cutter, lateral view. 14, pupa, segments A5–10, lateral view. 15, abdominal segments, lateral view. 16, minute spines on caudal segments. 17, overview with mapped details of setation. 18, same, detail 1. Arrows indicate dorsal and latero-dorsal setae on TIII. Scale bar as indicated.
FIGURES 3–8. Tamarixia schina, female. 3. Habitus. 4. Forewing. 5. Antenna. 6. Head, frontal view. 7 in Two new species of Ta m a r i x i a (Hymenoptera: Eulophidae) from Chile and Australia, established as biological control agents of invasive psyllids (Hemiptera: Calophyidae, Triozidae) in California
FIGURES 3–8. Tamarixia schina, female. 3. Habitus. 4. Forewing. 5. Antenna. 6. Head, frontal view. 7. Mesosoma, lateral
FIGURES 1, 2. 1 in Two new species of Ta m a r i x i a (Hymenoptera: Eulophidae) from Chile and Australia, established as biological control agents of invasive psyllids (Hemiptera: Calophyidae, Triozidae) in California
FIGURES 1, 2. 1. Damage caused by Calophya schini on Schinus molle. 2. Damage caused by Trioza eugeniae on Syzygium paniculatum. Photos by Jack Kelly Clark, courtesy University of California Statewide IPM Program. Copyrighted by the Regents of the University of California.
FIGURES 13–16. Tamarixia dahlsteni, female. 13. Head, frontal view. 14. Mesosoma, lateral view. 15. Mesosoma, dorsal view. 16 in Two new species of Ta m a r i x i a (Hymenoptera: Eulophidae) from Chile and Australia, established as biological control agents of invasive psyllids (Hemiptera: Calophyidae, Triozidae) in California
FIGURES 13–16. Tamarixia dahlsteni, female. 13. Head, frontal view. 14. Mesosoma, lateral view. 15. Mesosoma, dorsal view. 16. Propodeum.
FIGURES 9–12. Tamarixia dahlsteni. 9. Habitus, female. 10. Forewing, female. 11. Antenna, female. 12 in Two new species of Ta m a r i x i a (Hymenoptera: Eulophidae) from Chile and Australia, established as biological control agents of invasive psyllids (Hemiptera: Calophyidae, Triozidae) in California
FIGURES 9–12. Tamarixia dahlsteni. 9. Habitus, female. 10. Forewing, female. 11. Antenna, female. 12. Head and antennae, male.
Data from: Botany is the root and the future of invasion biology
<p>This dataset was used to create Figure 1 within the linked <em>On the Nature of Things</em> article. The article describes how botanists have historically contributed to the field of invasion biology and why botanists should be an important contributor in the coming years. To make this point, we compared the relative frequencies of google ngrams containing the words 'invasive species', 'invasive plants', or the sum of frequencies from several different animal taxa including: 'invasive insects', 'invasive animals', 'invasive fish', 'invasive birds', 'invasive amphibians', and 'invasive mammals' from 1958-2019. We also evaluated similar searches that used the words 'exotic', 'foreign' or 'weed' in the place of 'invasive'. This dataset contains the results of these searches with each row representing a separate year and with each column representing a separate search term. Our findings from this dataset support our conclusion that plants have been important model systems in invasion biology as they are the most highly cited the taxonomic group in our search. Results were similar when using 'exotic', 'foreign', but were an order of magnitude higher when using 'weed' as this term is widely used in the public vernacular outside of the research community. This dataset may be of use to anyone interested in the history of invasion biology.</p>
Does lake eutrophication support biological invasions in rivers? A study on Dreissena polymorpha (Bivalvia) in lake-river ecotones
<p>The zebra mussel (Dreissena polymorpha) has all traits required to effectively colonize the aquatic environment and consequently reduce the diversity of native bivalves We hypothesized that the zebra mussel chooses lake outlets characterized by medium current velocity and good food conditions. Here, we analyzed differences between bivalve abundances in lake outlets with varying environmental conditions such as the Carlson Index (trophy status), depth, width, current velocity, bed vegetation coverage, and type of bottom substrate. The results showed that the zebra mussel inhabits outlets that provide food (high trophy outlets) and have a mineral bed and a medium current velocity (ca. 0.2–0.3 m s-1). The following main factors seem to be favorable for colonizing such outlets: (1) easy access to high amounts of food due to the increased density of the suspension drifting from the lake and (2) easy transport of the zebra mussel larvae from the lake to the downstream. The zebra mussel larvae drifting with the current may colonize the downstream. An increase in lake trophy may indirectly cause an increase in biological invasions in rivers.</p>
Development of a mass production method for the smut fungus Doassansia niesslii , a potential biological control agent of the invasive weed Butomus umbellatus (IC_MScEA_Final project data)
<p>Data of my MSc final project (MSc Ecological Applications, Imperial College London). Student ID: 02175995.</p>
Supplementary material 1 from: Zilletti B, Capdevila-Argüelles L (2014) Halting Biological Invasions in Europe: from Data to Decisions. A message from NEOBIOTA 2012. NeoBiota 21: 1-5. https://doi.org/10.3897/neobiota.21.7289
Time to act! Biological invasions need a strong European legal framework urgently!: Explanation note: Resolution adopted by the participants of the "7th European Conference on Biological Invasions" of the European Working Group on Biological Invasions - NEOBIOTA.
Data from: Predicting the spatio-temporal dynamics of biological invasions: Have rapid responses in Europe limited the spread of the Asian yellow-legged hornet (Vespa velutina nigrithorax)?
<p>This data was collated from multiple sources including aktion-wespenschutz.de (Germany), The Biological Records Centre, UKCEH (UK), GBIF, L'Inventaire national du patrimoine naturel (France), iNaturalist (Belgium), StopVelutina (Italy), Waarneming.nl (Netherlands), MAGRAMA. Inventario Español del Patrimonio Natural y la Biodiversidad (Spain). </p> <p>Coordinates of occurence records were obatained from the sources above. These records were used in ecological niche models and mechanistic models to simulate the spread of <em>Vespa velutina nigrithorax</em> in Belgium, Germany, The Netherlands and the United Kingdom. </p> <p>Please be sure to cite and credit the orginal data providers if you intend to use this data. </p>
Data from: Cryptic species, native populations and biological invasions by a eucalypt forest pathogen
Human associated introduction of pathogens and consequent invasions are very evident in areas where no related organisms existed before. In areas where related but distinct populations or closely related cryptic species already exist, the invasion process is much harder to unravel. In this study, the population structure of the Eucalyptus leaf pathogen Teratosphaeria nubilosa was studied within its native range in Australia, including both commercial plantations and native forests. A collection of 521 isolates from across its distribution was characterized using eight microsatellite loci, resulting in 112 multilocus haplotypes (MLH). Multivariate and Bayesian analyses of the population conducted in STRUCTURE revealed three genetically isolated groups (A, B and C), with no evidence for recombination or hybridization among groups, even when they co-occur in the same plantation. DNA sequence data of the ITS (n=32), β-tubulin (n=32) and 27 anonymous loci (n=16) were consistent with microsatellite data in suggesting that T. nubilosa should be considered as a species complex. Patterns of genetic diversity provided evidence of biological invasions by the pathogen within Australia in the states of Western Australia and New South Wales, and helped unravel the pattern of invasion beyond Australia into New Zealand, Brazil and Uruguay. No significant genetic differences in pathogen populations collected in native forests and commercial plantations were observed. This emphasizes the importance of sanitation in the acquisition of nursery stock for the establishment of commercial plantations.
Data from: Understanding the biological invasion risk posed by the global wildlife trade: propagule pressure drives the introduction and establishment of Nearctic turtles
Biological invasions are a key component of human-induced global change. The continuing increase in global wildlife trade has raised concerns about the parallel increase in the number of new invasive species. However, the factors that link the wildlife trade to the biological invasion process are still poorly understood. Moreover, there are analytical challenges in researching the role of global wildlife trade in biological invasions, particularly issues related to the under-reporting of introduced and established populations in areas with reduced sampling effort. In this work, we use high-quality data on the international trade in Nearctic turtles (1999–2009) coupled with a statistical modelling framework, which explicitly accounts for detection, to investigate the factors that influence the introduction (release, or escape into the wild) of globally traded Nearctic turtles and the establishment success (self-sustaining exotic populations) of slider turtles (Trachemys scripta), the most frequently traded turtle species. We found that the introduction of a species was influenced by the total number of turtles exported to a jurisdiction and the age at maturity of the species, while the establishment success of slider turtles was best associated with the propagule number (number of release events), and the number of native turtles in the jurisdiction of introduction. These results indicate both a direct and indirect association between the wildlife trade and the introduction of turtles and establishment success of slider turtles, respectively. Our results highlight the existence of gaps in the number of globally recorded introduction events and established populations of slider turtles, although the expected bias is low. We emphasize the importance of researching independently the factors that affect the different stages of the invasion pathway. Critically, we observe that the number of traded individuals might not always be an adequate proxy for propagule pressure and establishment success.
Supplementary material 4 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Extrapolated annual average costs for those invasive species known to be in Singapore with recorded costs in InvaCost
Supplementary material 1 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Description of the procedure used for collecting and describing cost data in the InvaCost database (adapted from Diagne et al. 2020)
Supplementary material 5 from: Haubrock PJ, Cuthbert RN, Yeo DCJ, Banerjee AK, Liu C, Diagne C, Courchamp F (2021) Biological invasions in Singapore and Southeast Asia: data gaps fail to mask potentially massive economic costs. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 131-152. https://doi.org/10.3897/neobiota.67.64560
Relationships between trade value and recorded cost entries per country in InvaCost, as well as land area and human population with total cost
Supplementary material 4 from: Cuthbert RN, Bartlett AC, Turbelin AJ, Haubrock PJ, Diagne C, Pattison Z, Courchamp F, Catford JA (2021) Economic costs of biological invasions in the United Kingdom. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 299-328. https://doi.org/10.3897/neobiota.67.59743
Total costs of species with individual cost entries, alongside first record years and introduction pathways
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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