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29 results for “Bioblitz”
Alien CSI Akrotiri Bioblitz 2019
<p>The Akrotiri Bioblitz in Cyprus was a one-off event held as part of the Alien-CSI COST Action (CA17122). It took place for 24 hours between Wednesday, February 27 and Thursday, February 28, 2019. The aim of this bioblitz was to improve knowledge of the biodiversity of the Akrotiri Peninsula, identify potential risks to the biodiversity caused by invasive species and trial methods that could be used throughout Europe for this purpose. More information about the event can be found on these pages: <a href="https://osf.io/csvgz/wiki/home/">https://osf.io/csvgz/wiki/home/</a>. </p> <p> </p> <p>All bioblitz records can be found in the iNaturalist project <a href="https://www.inaturalist.org/projects/akrotiri-bioblitz-cyprus">akrotiri-bioblitz-cyprus</a> and in the GBIF dataset (Hadjikyriakou et al. 2019). At the time of writing, 396 species had obtained “research grade” status on iNaturalist and included also captive and cultivated organisms. These species were assigned native/alien status, a level of establishment using the categories described by Groom et al. (2019a) and their occurrence in Akrotiri and Cyprus was determined based on the Flora of Cyprus by Hand et al. (2021), the Cyprus Database of Alien Species (CyDAS) by Martinou et al. (2020), the Amphibians and Reptiles of Cyprus by Baier et al. (2013), Fauna Europaea (<a href="https://fauna-eu.org/">https://fauna-eu.org</a>), Sparrow and John (2016), Ridout (1983), Peterson et al. (2019), Guerrini et al. (2007), Englezou et al. (2018), Nahum et al. (2010), Christia et al. (2011), Jørgensen and Sørensen (2008), Can and Arap (2005), Haouas gharsallah et al. (2010), Flint (1997), Bouaziz-Yahiatene et al. (2017), Zogaris et al. (2012), Gözüaçık and Atay (2016), Groom et al. (2019b), Savvides et al. (2015) and Litterski & Mayrhofer (1998). In addition, we compared our bioblitz species checklist with the species present in the occurrence dataset on GBIF preceding the bioblitz (GBIF 2019). </p> <p>An overview of the establishment status of the recorded species during the Akrotiri bioblitz can be found in the csv file and summary table (pdf) included in this upload.</p>
Analysis of internet usage and bioblitz frequency in the Global South
<p>This dataset was used to analyse factors contributing to the number of bioblitzes conducting in countries in the Global South.</p> <p>This is part of a review into the effectiveness of bioblitz as a method for collecting data on biodiversity.</p> <p>We modeled population and internet usage with the number of iNaturalist Bioblitzes in a country from our sample (Groom 2021). We only just looked at those global regions where citizen science has tended to have lower prevalence in the past (Africa, Asia, and Latin America, and the Caribbean) compared to other regions. We identified a total of 254 Bioblitz projects from iNaturalist in 37 countries, in Africa (30 projects in 13 countries); Asia (71 projects in 11 countries); and Latin America and the Caribbean (153 projects in 13 countries).</p> <p>We took the total population of each country from the mean of 2015-18 values in millions from <a href="https://population.un.org/wpp/Download/Standard/Population/">https://population.un.org/wpp/Download/Standard/Population/</a> (United Nations, Department of Economic and Social Affairs, Population Division (2019). <em>World Population Prospects 2019, Online Edition. Rev. 1.</em>). Internet usage was taken as the percentage of individuals using the internet in 2017 (<a href="http://data.un.org/">http://data.un.org/</a>).</p> <p>The natural log of the number of iNaturalist projects was modelled against the log of the population in millions and the internet usage using the lm package of R.</p> <pre><code>SUMMARY_DATA <- read.delim2("summary_data.tsv", row.names=1) model <- lm(log(projects) ~log(population) + internet, data=SUMMARY_DATA) summary(model) </code></pre> <table> <tbody> <tr> <td> <p>Variable</p> </td> <td> <p>Coefficient</p> </td> <td> <p>Std. Error</p> </td> <td> <p>t-Statistic</p> </td> <td> <p>Prob.</p> </td> </tr> <tr> <td> <p>log(population) in millions</p> </td> <td> <p>0.345</p> </td> <td> <p>0.0865</p> </td> <td> <p>3.99</p> </td> <td> <p>0.0003 ***</p> </td> </tr> <tr> <td> <p>internet usage as a percentage of individuals per country</p> </td> <td> <p>0.016</p> </td> <td> <p>0.0060</p> </td> <td> <p>2.62</p> </td> <td> <p>0.0130 *</p> </td> </tr> </tbody> </table> <p>Residual standard error: 0.9167 on 34 degrees of freedom</p> <p>Multiple R-squared: 0.3911, Adjusted R-squared: 0.3553 </p> <p>F-statistic: 10.92 on 2 and 34 DF, p-value: 0.0002176</p> <p>To view properties of the model to ensure it conformed to the assumptions of the model and was a good fit. Plots are included in the attached files.</p> <pre><code>par(mfrow = c(2,2)) plot(model)</code></pre> <p>To view other correlations in the data the following code can be used. The output is included in the attached files.</p> <pre><code>correlations <- cor(SUMMARY_DATA[,c(2,3,4,6,11,13,14)],method = c("spearman")) install.packages("corrplot") library("corrplot") corrplot(correlations, method="square") </code></pre> <p> </p>
Figure 1 in Expert bioblitzes facilitate non-native fish tracking and interagency partnerships
Figure 1. Sampling locations for ten Fish Slam events (2012–2019). Counties shaded in green were sampled from 2012–2019; blue in 2017; purple and orange in 2019. Sampling in counties shaded in yellow is being planned for 2020.
Linked collectors and determiners for: Ontario BioBlitz Species Records.
Natural history specimen data linked to collectors and determiners held within, "Ontario BioBlitz Species Records". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/2c12acd9-1600-487d-a809-2c2743381112">https://bionomia.net/dataset/2c12acd9-1600-487d-a809-2c2743381112</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/2c12acd9-1600-487d-a809-2c2743381112">https://gbif.org/dataset/2c12acd9-1600-487d-a809-2c2743381112</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Inventory and BioBlitz Records from rare Charitable Research Reserve.
Natural history specimen data linked to collectors and determiners held within, "Inventory and BioBlitz Records from rare Charitable Research Reserve". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/09e90dfb-5b1b-4dd9-a796-e2fba53d26f0">https://bionomia.net/dataset/09e90dfb-5b1b-4dd9-a796-e2fba53d26f0</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/09e90dfb-5b1b-4dd9-a796-e2fba53d26f0">https://gbif.org/dataset/09e90dfb-5b1b-4dd9-a796-e2fba53d26f0</a>. Formatted as a Frictionless Data package.
Kāneʻohe Bay Bioblitz
Data from specimens collected in Kaneohe Bay, Oahu, during the May-June 2017 BioBlitz. Event photos: <p></p>http://bit.ly/2iyfO0q<p></p>
Sustaining Cities, Naturally Webinar: Education Session - Bioblitz - Citizen science
<p>Poorly planned urbanisation can lead to societal challenges as social deprivation, climate change, deteriorating health and increasing pressure on urban nature. Urban ecosystem restoration can contribute to lessen these challenges, e.g. through implementing nature-based solutions (NBS). </p> <p>This pitch was made as part of the online webinar ‘Sustaining cities, Naturally: Urban ecosystem restoration in Europe, China and Latin America’, which took place as an official side-event of the European Week of Regions and Cities 2022 on 13th and 14th October 2023. The webinar was jointly organised by the projects: INTERLACE, CONEXUS, Regreen and CLEARING HOUSE. </p> <p>The webinar illustrated how Horizon 2020 projects support international cooperation in knowledge creation and knowledge exchange between local authorities and researchers to promote urban ecosystem restoration in Europe, China and Latin America and brought together cities, regions and local authorities, city network representatives, policy makers, researchers, civil society and experts on nature-based solutions and urban ecosystem restoration from Europe, China and Latin America. </p>
A national scale BioBlitz using citizen science and eDNA metabarcoding for monitoring coastal marine fish
<p>Marine biodiversity is threatened by human activities. To understand the changes happening in aquatic ecosystems and to inform management, detailed, synoptic monitoring of biodiversity across large spatial extents is needed. Such monitoring is challenging due to the time, cost, and specialized skills that this typically requires. In an unprecedented study, we here combined citizen science with eDNA metabarcoding to map coastal fish biodiversity at a national scale. We engaged 360 citizen scientists to collect filtered sea water samples from 100 sites across Denmark over two seasons (1 pm on September 29<sup>th</sup> 2019 and May 10<sup>th</sup> 2020), and by sampling at nearly the exact same time across all 100 sites, we obtained an overview of fish biodiversity largely unaffected by temporal variation. This would have been logistically impossible for the involved scientists without the help of volunteer citizens. We obtained a high return rate of 94% of the samples, and a total richness of 52 fish species, representing approximately 80% of coastal Danish fish species and approximately 25% of all Danish marine fish species. We retrieved distribution patterns matching known occurrence for both invasive, endangered, and cryptic species, and detected seasonal variation in accordance with known phenology. Dissimilarity of eDNA community compositions increased with distance between sites. Importantly, comparing our eDNA data with National Fish Atlas data (the latter compiled from a century of observations) we found positive correlation between species richness values and a congruent patterns of community compositions. These findings support the use of eDNA-based citizen science to detect patterns in biodiversity, and our approach is readily scalable to other countries, or even regional and global scales. We argue that future large-scale biomonitoring will benefit from using citizen science combined with emerging eDNA technology, and that such an approach will be important for data-driven biodiversity management and conservation.</p>
Systematic literature review on bioblitzes - Methodology and results
<p>This dataset contains supplementary material to a review paper on bioblitzes (submitted). This dataset contains following files: </p> <p>1a. Systematic literature review methods.pdf</p> <p>1b. Reference list reviewed papers.pdf</p> <p>1c. Reference list reviewed papers_BibTeX.txt</p> <p>1d. Reference list reviewed papers_RIS.txt</p> <p>1e. Reference list reviewed papers.csv</p> <p>1f. Data retrieved from the reviewed papers.csv</p> <p>1g. Ranked importance of each aim per bioblitz record.csv </p> <p>1h. Fig. 1_Map showing the distribution of published bioblitzes considered in the literature review.jpg</p> <p>These files include lists of reviewed papers in different formats (pdf/csv/RIS/BibTeX), the description of the methodology used to search and select this collection of papers, one csv-file containing the extracted data on bioblitzes from the literature and one showing the ranks in respect with the aim of the bioblitz per paper, and one figure showing the geographical distribution of the published records.</p>
FIGURE 12. A–D in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 12. A–D: Pyuridae; E, F: Molgulidae. A: Halocynthia aurantium 10 cm in length; B: Halocynthia igaboja; C: Boltenia villosa; D: Pyura haustor; E: Molgula pacifica whole animal left side, tunic removed; F: M. pacifica close-up of siphons. Scale bars: B, 5 mm; C, 5 mm; D, 5 mm; E, 1.6 mm.
FIGURE 11. Styelidae. A in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 11. Styelidae. A: Cnemidocarpa finmarkiensis about 2 cm in width; B: Metandrocarpa dura; C: M. taylori; D: Styela gibbsii 1.7 cm in length; E: S. montereyensis, longest one 8 cm; F: S. truncata 2 cm in length. Scale bars: B, 1 mm; C, 2.5 mm. A and F photos by G. Paulay.
FIGURE 8. Aplousobranchia, Ritterellidae. A–C in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 8. Aplousobranchia, Ritterellidae. A–C: Ritterella pulchra. A, whole colony; B, enlargement of one lobe of living colony; C, one zooid. D–G: Ritterella rubra. D, E: two lobes of same colony; F: one zooid; G; enlargement of thorax of same zooid. Scale bars: A, 0.7 cm; B, 1 mm; C, 4 mm; D, 5 mm; E: 7 mm; F, 1.2 mm. Photo D by G. Paulay.
FIGURE 10. Figure 10. Phlebobranchia. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 10. Figure 10. Phlebobranchia. A, B: Ascidia columbiana. A: whole animal right side, anterior on the right. Arrows indicate oral siphon opening (on right) and atrial opening above. B: anterior end around oral opening showing tunic papillations. C: Ascidia paratropa 9 cm in length; D: Ciona savignyi 6.2 cm in length; E: Chelyosoma productum 1.5 cm in diameter; F: Corella inflata about 3 cm in length; G: Corella willmeriana about 3 cm in length; H: Perophora annectens. Scale bars: A, 1.5 cm; B, 2 mm; H, 4 mm. C, D, F, G photos by G. Paulay.
FIGURE 6 in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 6. Aplousobranchia, Holozoidae, various color morphs of Distaplia occidentalis. A: small mushroom-shaped colony. B–D: flat colonies. E: flat encrusting colony with protruding capitate heads. F: brood sac removed from tunic. Arrow indicates location of attachment to zooid. G: tadpole. Scale bars: A, 1 cm; B, 1 cm; C, 1.25 mm; D, 1.7 cm; E, 1 cm; F, 0.85 mm; G, 0.4 mm. D and E photos by G. Paulay.
FIGURE 7. Aplousobranchia. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 7. Aplousobranchia. A, B: Holozoidae, Distaplia smithi. A: whole colony. B: enlargement of part of same colony. Scale bars: A, 1.7 cm; B, 0.5 cm. Photo A by G. Paulay.
FIGURE 4. Aplousobranchia, Didemnidae. A–C in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 4. Aplousobranchia, Didemnidae. A–C: Diplosoma listerianum. A: colony on Scyra acutifrons; B, C: close-ups of zooids from two different color morphs. D–F: Trididemnum alexi. D: colony on living scallop; E: same colony closeup with amphipod Polycheria osborni burrowed into tunic surface; F: tunic spicules. Scale bars: A, 1 cm; B, 1.5 mm; C, 1.3 mm; D, 1.6 cm; E, 3.2 mm; F, 35 µm. Photos B and D by G. Paulay.
FIGURE 9. Aplousobranchia. A–D in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 9. Aplousobranchia. A–D: Clavelinidae. A: Clavelina huntsmani. B–D: Pycnoclavella stanleyi. B: expanded orange thoraxes extended beyond sandy tubes. C: thoraxes partially contracted. Photo includes four zooids of orange Metandrocarpa taylori. D: zooids fully contracted; only a bit of orange is visible. E, F: Euherdmaniidae, Euherdmania claviformis. E: zooids fully retracted into long sand-encrusted tubes. F: In this colony the anterior portions of the tubes not sand-encrusted, though the colorless zooid thoraxes are partially contracted. Scale bars: A, 7 mm; B, 2 mm; C, 4 mm; D, 1 cm; E, 1.2 cm; F, 1 cm. A, B, D, F photos by G. Paulay.
FIGURE 5. Didemnidae. A–E in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 5. Didemnidae. A–E: Didemnum sp. 1, undescribed species. A: whole colony on kelp holdfast. B: detail of tunic surface showing one cloacal opening. C: bifurcated testis from a zooid showing numerous coils of the sperm duct; D: tunic spicules. E: two cryptically colored lamellarid nudibranchs above a colony piece from which they were collected. F, G: Didemnum sp. 2. F: numerous small colonies or pieces of same colony; G: two cross sections of a different colony showing distribution of spicules. Scale bars: A, 1 cm; B, 1.5 mm; C, 0.1 mm; D, 20 µm; E, 1 cm.; F, 9 mm; G, 4 mm.
FIGURE 2. Aplousobranchia, Polyclinidae. A–D, Aplidium kottae. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 2. Aplousobranchia, Polyclinidae. A–D, Aplidium kottae. A, B: part of colony; C: siphons of a single zooid; D: tad- pole. E: Aplidium californicum. F–H: Aplidium sp. F, G: part of colony; H: zooid. Scale bars: A, 1.4 cm; B, 0.7 cm; C, 34 µm; D, 143 µm; E, 0.7 cm; F, 1 cm; G, 4 mm; H, 1 mm.
FIGURE 3. Aplousobranchia, Polycitoridae. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 3. Aplousobranchia, Polycitoridae. A, B: Cystodytes lobatus. A: whole colony, photo G. Paulay; B: small part of tunic showing disc–shaped spicules. C: Eudistoma purpuropunctatum 10 cm in width. D–F: Eudistoma ritteri. D: separated lobes of a colony; E: part of a different colony; F: thorax of single zooid showing the siphons and the three rows of stigmata. Scale bars: A, 1 cm; B, 0.5 mm; D, 1.3 cm; E, 0.5 cm; F, 1 mm.
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