Hydraulic stress parameters of a cased caddis larva (Drusus biguttatus) using spatio-temporally filtered velocity measurements
By studying hydraulic stress parameters of larvae of the cased caddisfly Drusus biguttatus (Pictet, 1834) in a tributary of the Schwarze Sulm (Carinthia, Austria), we aimed on (1) detecting the flow properties of the spatio-temporally filtered velocity measurements taken, and (2) on defining the hyd...
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creator | Waringer, Johann Vitecek, Simon Martini, Jan Zittra, Carina Handschuh, Stephan Vieira, Ariane Kuhlmann, Hendrik C. |
description | By studying hydraulic stress parameters of larvae of the cased caddisfly
Drusus biguttatus
(Pictet, 1834) in a tributary of the Schwarze Sulm (Carinthia, Austria), we aimed on (1) detecting the flow properties of the spatio-temporally filtered velocity measurements taken, and (2) on defining the hydraulic niche of this caddisfly larva. For this, we took 31 measurement series lasting 30 to 300 s, yielding 2176 single velocity measurements. The probability density functions of the 31 data series were Gaussian or sub-Gaussian, and the mean recurrent interval between velocity maxima within a data series was only 15.00 s. As a consequence, the Trichoptera larvae studied have to face strong flow accelerations in short intervals which is a much higher stress than conventional mean velocity measurements would suggest. The hydraulic niche of
Drusus biguttatus
is defined by instantaneous flow velocities ranging from 0.04 to 0.69 m s
−1
, by drag forces from 13 × 10
−6
to 3737 × 10
−6
N, by Froude numbers from 0.13 to 1.20, and mostly by Reynolds numbers > 2000. Under such conditions, only 5.1% of the drag force is compensated by submerged weight, whereas the remainder has to be counterbalanced by the active efforts of the larvae to remain attached to the substrate. |
doi_str_mv | 10.1007/s10750-020-04349-0 |
format | Article |
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Drusus biguttatus
(Pictet, 1834) in a tributary of the Schwarze Sulm (Carinthia, Austria), we aimed on (1) detecting the flow properties of the spatio-temporally filtered velocity measurements taken, and (2) on defining the hydraulic niche of this caddisfly larva. For this, we took 31 measurement series lasting 30 to 300 s, yielding 2176 single velocity measurements. The probability density functions of the 31 data series were Gaussian or sub-Gaussian, and the mean recurrent interval between velocity maxima within a data series was only 15.00 s. As a consequence, the Trichoptera larvae studied have to face strong flow accelerations in short intervals which is a much higher stress than conventional mean velocity measurements would suggest. The hydraulic niche of
Drusus biguttatus
is defined by instantaneous flow velocities ranging from 0.04 to 0.69 m s
−1
, by drag forces from 13 × 10
−6
to 3737 × 10
−6
N, by Froude numbers from 0.13 to 1.20, and mostly by Reynolds numbers > 2000. Under such conditions, only 5.1% of the drag force is compensated by submerged weight, whereas the remainder has to be counterbalanced by the active efforts of the larvae to remain attached to the substrate.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-020-04349-0</identifier><identifier>PMID: 32801389</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Accelerated flow ; Aquatic insects ; Biomedical and Life Sciences ; Distribution (Probability theory) ; Drag ; Drusus biguttatus ; Ecology ; Flow velocity ; Fluid dynamics ; Fluid flow ; Freshwater & Marine Ecology ; Hydraulics ; Larvae ; Life Sciences ; Measurement ; Niches ; Parameters ; Primary Research Paper ; Probability density functions ; Probability theory ; Reynolds number ; Substrates ; Velocity ; Zoology</subject><ispartof>Hydrobiologia, 2020-09, Vol.847 (16), p.3437-3451</ispartof><rights>The Author(s) 2020</rights><rights>COPYRIGHT 2020 Springer</rights><rights>The Author(s) 2020. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c513t-c331db90474584c235f540f7a9f69e5cbedb9cb0338409e3b7f8250886abb6bc3</citedby><cites>FETCH-LOGICAL-c513t-c331db90474584c235f540f7a9f69e5cbedb9cb0338409e3b7f8250886abb6bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10750-020-04349-0$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10750-020-04349-0$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32801389$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Waringer, Johann</creatorcontrib><creatorcontrib>Vitecek, Simon</creatorcontrib><creatorcontrib>Martini, Jan</creatorcontrib><creatorcontrib>Zittra, Carina</creatorcontrib><creatorcontrib>Handschuh, Stephan</creatorcontrib><creatorcontrib>Vieira, Ariane</creatorcontrib><creatorcontrib>Kuhlmann, Hendrik C.</creatorcontrib><title>Hydraulic stress parameters of a cased caddis larva (Drusus biguttatus) using spatio-temporally filtered velocity measurements</title><title>Hydrobiologia</title><addtitle>Hydrobiologia</addtitle><addtitle>Hydrobiologia</addtitle><description>By studying hydraulic stress parameters of larvae of the cased caddisfly
Drusus biguttatus
(Pictet, 1834) in a tributary of the Schwarze Sulm (Carinthia, Austria), we aimed on (1) detecting the flow properties of the spatio-temporally filtered velocity measurements taken, and (2) on defining the hydraulic niche of this caddisfly larva. For this, we took 31 measurement series lasting 30 to 300 s, yielding 2176 single velocity measurements. The probability density functions of the 31 data series were Gaussian or sub-Gaussian, and the mean recurrent interval between velocity maxima within a data series was only 15.00 s. As a consequence, the Trichoptera larvae studied have to face strong flow accelerations in short intervals which is a much higher stress than conventional mean velocity measurements would suggest. The hydraulic niche of
Drusus biguttatus
is defined by instantaneous flow velocities ranging from 0.04 to 0.69 m s
−1
, by drag forces from 13 × 10
−6
to 3737 × 10
−6
N, by Froude numbers from 0.13 to 1.20, and mostly by Reynolds numbers > 2000. Under such conditions, only 5.1% of the drag force is compensated by submerged weight, whereas the remainder has to be counterbalanced by the active efforts of the larvae to remain attached to the substrate.</description><subject>Accelerated flow</subject><subject>Aquatic insects</subject><subject>Biomedical and Life Sciences</subject><subject>Distribution (Probability theory)</subject><subject>Drag</subject><subject>Drusus biguttatus</subject><subject>Ecology</subject><subject>Flow velocity</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Freshwater & Marine Ecology</subject><subject>Hydraulics</subject><subject>Larvae</subject><subject>Life Sciences</subject><subject>Measurement</subject><subject>Niches</subject><subject>Parameters</subject><subject>Primary Research Paper</subject><subject>Probability density functions</subject><subject>Probability theory</subject><subject>Reynolds number</subject><subject>Substrates</subject><subject>Velocity</subject><subject>Zoology</subject><issn>0018-8158</issn><issn>1573-5117</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9Uk1v1DAUjBCILoU_wAFZ4tIeUuw4ju0LUlUKRarEBc6W47wsrpJ48bNX2gu_HS8p5eOALNuHNzNvnj1V9ZLRC0apfIOMSkFr2pTd8lbX9FG1YULyWjAmH1cbSpmqFRPqpHqGeEcLSTf0aXXCG0UZV3pTfb85DNHmyTuCKQIi2dloZ0gQkYSRWOIswlDOYfBIJhv3lpy9ixkzkt5vc0o2ZTwnGf2yJbizyYc6wbwL0U7TgYx-KlpFYQ9TcD4dyAwWc4QZloTPqyejnRBe3N-n1Zf315-vburbTx8-Xl3e1k4wnmrHORt6TVvZCtW6hotRtHSUVo-dBuF6KFXXU85VSzXwXo6qEVSpzvZ91zt-Wr1ddXe5n2FwpXexZ3bRzzYeTLDe_F1Z_FezDXsjGROad0Xg7F4ghm8ZMJnZo4NpsguEjKYpHyCFlFoX6Ot_oHchx6WMd0Q1TUe1ogV1saK2dgLjlzGUvq6sAWbvwgLl4cBcdrxhshgQhdCsBBcDYoTxwT2j5pgHs-bBlDyYn3kwxy6v_pz7gfIrAAXAVwCW0rKF-Nvsf2R_AGjnw4k</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Waringer, Johann</creator><creator>Vitecek, Simon</creator><creator>Martini, Jan</creator><creator>Zittra, Carina</creator><creator>Handschuh, Stephan</creator><creator>Vieira, Ariane</creator><creator>Kuhlmann, Hendrik C.</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QH</scope><scope>7SN</scope><scope>7SS</scope><scope>7U7</scope><scope>7UA</scope><scope>88A</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20200901</creationdate><title>Hydraulic stress parameters of a cased caddis larva (Drusus biguttatus) using spatio-temporally filtered velocity measurements</title><author>Waringer, Johann ; 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Drusus biguttatus
(Pictet, 1834) in a tributary of the Schwarze Sulm (Carinthia, Austria), we aimed on (1) detecting the flow properties of the spatio-temporally filtered velocity measurements taken, and (2) on defining the hydraulic niche of this caddisfly larva. For this, we took 31 measurement series lasting 30 to 300 s, yielding 2176 single velocity measurements. The probability density functions of the 31 data series were Gaussian or sub-Gaussian, and the mean recurrent interval between velocity maxima within a data series was only 15.00 s. As a consequence, the Trichoptera larvae studied have to face strong flow accelerations in short intervals which is a much higher stress than conventional mean velocity measurements would suggest. The hydraulic niche of
Drusus biguttatus
is defined by instantaneous flow velocities ranging from 0.04 to 0.69 m s
−1
, by drag forces from 13 × 10
−6
to 3737 × 10
−6
N, by Froude numbers from 0.13 to 1.20, and mostly by Reynolds numbers > 2000. Under such conditions, only 5.1% of the drag force is compensated by submerged weight, whereas the remainder has to be counterbalanced by the active efforts of the larvae to remain attached to the substrate.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><pmid>32801389</pmid><doi>10.1007/s10750-020-04349-0</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Accelerated flow Aquatic insects Biomedical and Life Sciences Distribution (Probability theory) Drag Drusus biguttatus Ecology Flow velocity Fluid dynamics Fluid flow Freshwater & Marine Ecology Hydraulics Larvae Life Sciences Measurement Niches Parameters Primary Research Paper Probability density functions Probability theory Reynolds number Substrates Velocity Zoology |
title | Hydraulic stress parameters of a cased caddis larva (Drusus biguttatus) using spatio-temporally filtered velocity measurements |
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