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35 results for “Aquatic Macroinvertebrates”
Recordings of aquatic macroinvertebrates by volunteers (2018-2020) and professionals (2013-2019) in the Netherlands
<p>Volunteers have become more and more involved in monitoring the quality of the environment in which they live. Traditionally, water quality monitoring is the field of professionals at water authorities, however, community initiatives have been undertaken to monitor abiotic conditions in waterbodies. To date, biological water quality assessment based on data collected by volunteers remains scarce. A citizen science project on biological water quality assessment was launched in the Netherlands in 2018. In this project, volunteers collect macroinvertebrates from in a nearby waterbody, identify and count the number of specimens, and register their catch through a web portal to instantaneously receive a water quality score based on their data. This study compares the data from the volunteers with the data from professionals focussing on type of sampled waterbody, sampling period, observed animals and water quality.</p> <p>The analyses show that volunteers and professionals seldomly sample the same waterbody, that there is some overlap in sampling period, and that volunteers more frequently sampled smaller water bodies and more urban waters. The citizen science project is thus yielding useful spatially and temporally complementarity data. The assessments by volunteers and professionals likely differ in character and thoroughness. Volunteers collected significantly lower numbers of animals per sample and fewer animals from soft sediments but more mobile individuals from the open water column. As a result, the water quality scores between volunteers and professionals differ. To bridge these differences, new tools and processes may need to be developed to further increase the value of monitoring biological water quality by volunteers for professionals.</p>
Figure 3 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 3. Hierarchical clustering, based on similarities in aquatic macroinvertebrate assemblages, of the sampling stations with a Ward linkage method and a Euclidian distance; Sa, Sahoua; Ah, Ahondo; Tc, Taabo cité; Co, Courandjourou; Tv, Taabo village.
Figure 5 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 5. Canonical correspondence analysis (CCA) diagram of macroinvertebrates collected from water hyacinth samples in relation to nine independent environmental variables measured: Temp., temperature; NH +, ammonium; pH; Trans., transparency; NO –, nitrate; Turb., 4 3 turbidity; PO 3–, phosphate; O, dissolved oxygen; and CND, conductivity.
Figure 2 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 2. Box-plots showing differences in physical and chemical variables between the two seasons (Rs = rainy season and Ds = dry season); box corresponds to 50% of the values, the square in the box corresponds to the median value and the vertical bars correspond to the minimum/maximum values.
Figure 1 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 1. Map of the man-made Taabo Lake, showing sampling stations (UTM, Universal Transverse Mercator) (Kouassi 2007).
Figure 4 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 4. Box-plots showing differences in physical and chemical variables between the three clusters (I, II and III) identified on Figure 3; box corresponds to 50% of the values, the square in the box corresponds to the median value and the vertical bars correspond to the minimum/ maximum values; n = 10. (Continued)
Figure 2 in A preliminary survey of the inland aquatic macroinvertebrate biodiversity of St. Thomas, US Virgin Islands
Figure 2. Forcipomyia sp. 1 larvae: (a) head, right lateral view; (b) head, prothorax and mesothorax, right half, dorsal view; (c) metathorax and abdominal segment I, dorsal view; (d) terminal abdominal segments, right lateral view; (e) terminal abdominal segments, dorsal view. Scale bar = 1 mm.
Figure 1 in A preliminary survey of the inland aquatic macroinvertebrate biodiversity of St. Thomas, US Virgin Islands
Figure 1. Map of St. Thomas (18°21ʹ07.2"N 64°55ʹ33.6"W) and surrounding islets indicating the relative location of sites where specimens were collected. Numbers correspond to the order of the sites in Table 1.
Beta diversity of aquatic macroinvertebrate assemblages associated with leaf patches in neotropical montane streams
Open the record for dataset details and reuse information.
Recordings of aquatic macroinvertebrates by volunteers (2018-2020) and professionals (2013-2019) in the Netherlands
Open the record for dataset details and reuse information.
Data supplementing the article "Aquatic biofilms as passive environmental DNA samplers: application to benthic macroinvertebrate communities in rivers" - raw MiSeq data inventories
<p>These data supplement the article “Aquatic biofilms as passive environmental DNA samplers: application to benthic macroinvertebrate communities in rivers” Sinziana F. Rivera, Valentin Vasselon, Nathalie Mary, Olivier Monnier, Fréderic Rimet & Agnès Bouchez submitted to “Molecular Ecology Resources” journal.</p> <p>The directory is composed of: “38_samples_fastq:files”: contains raw demultiplexed fastq files (R1. fastq and R2. fastq) for each of the 38 samples used in this study to produce OTUs and taxonomic inventories.</p> <p>“Samples id.xlsx”: contains the samples ID of the fastq files</p> <p>“Inventories.xlsx”: contains single and multi-habitat morphological inventories as well as molecular inventories resulting from the study</p>
Supplementary material 1 from: Macher J-N, Drakou K, Papatheodoulou A, Hoorn B, Vasquez M (2020) The mitochondrial genomes of 11 aquatic macroinvertebrate species from Cyprus. Metabarcoding and Metagenomics 4: e58259. https://doi.org/10.3897/mbmg.4.58259
Scripts used for Megahit and Spades assemly of mitochornial genomes and nuclear 18S and 28S rRNAs
Fig 1 in Diversity and taxonomic structure of aquatic macroinvertebrates in a fluvio-lacustrine system in south-west Côte d'Ivoire: The case of the Soubré hydroelectric dam lake
Fig 1: Location map of the sampling area in the Soubré dam lake (Ivory Coast) Tiémé = TIE; Amaragui = AMA; Gnamandji = GNA; Kpéhiri = KPE; Pont = PON; Karmel = KAR
Figure 2 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 2. (Continued).
Figure 4 in Aquatic macroinvertebrate assemblages associated with root masses of water hyacinths, Eichhornia crassipes (Mart.) Solms-Laubach, 1883 (Commelinales: Pontederiaceae) in Taabo Lake, Ivory Coast
Figure 4. (Continued).
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