{"id":"https://openalex.org/W7225735121","doi":"https://doi.org/10.9734/ajfar/2026/v28i111185","title":"Diurnal Variations in Zooplankton Community Structure and Abundance in Two Sites of the Negua Canal, West Bengal, India","display_name":"Diurnal Variations in Zooplankton Community Structure and Abundance in Two Sites of the Negua Canal, West Bengal, India","publication_year":2026,"publication_date":"2026-11-10","ids":{"openalex":"https://openalex.org/W7225735121","doi":"https://doi.org/10.9734/ajfar/2026/v28i111185"},"language":"en","primary_location":{"id":"doi:10.9734/ajfar/2026/v28i111185","doi":"https://doi.org/10.9734/ajfar/2026/v28i111185","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ajfar/2026/v28i111185","pdf_url":null,"source":{"id":"https://openalex.org/S4210237351","display_name":"Asian Journal of Fisheries and Aquatic Research","issn_l":"2582-3760","issn":["2582-3760"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Journal of Fisheries and Aquatic Research","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.9734/ajfar/2026/v28i111185","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5161406633","display_name":"Subhra Sankha Khila","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Subhra Sankha Khila","raw_affiliation_strings":["Department of Fisheries Science, Ramnagar College, Purba Medinipur-721453, West Bengal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Fisheries Science, Ramnagar College, Purba Medinipur-721453, West Bengal, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022562512","display_name":"Sayan Mandal","orcid":"https://orcid.org/0000-0002-2469-951X","observed_orcids":["https://orcid.org/0000-0002-2469-951X"]},"institutions":[{"id":"https://openalex.org/I41549804","display_name":"Vidyasagar University","ror":"https://ror.org/027jsza11","country_code":"IN","type":"education","lineage":["https://openalex.org/I41549804"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sayan Mandal","raw_affiliation_strings":["Department of Fishery Sciences, Vidyasagar University, Midnapore-721102, West Bengal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Fishery Sciences, Vidyasagar University, Midnapore-721102, West Bengal, India","institution_ids":["https://openalex.org/I41549804"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059055487","display_name":"Riyanka Maity","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Riyanka Maity","raw_affiliation_strings":["Department of Fisheries Science, Ramnagar College, Purba Medinipur-721453, West Bengal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Fisheries Science, Ramnagar College, Purba Medinipur-721453, West Bengal, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"28","issue":"11","first_page":"53","last_page":"63"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13485","display_name":"Coastal Fisheries and Human Impacts","score":0.38429999351501465,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13485","display_name":"Coastal Fisheries and Human Impacts","score":0.38429999351501465,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10765","display_name":"Marine Biology and Ecology Research","score":0.33809998631477356,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10032","display_name":"Marine Plankton and Biogeochemistry","score":0.1509999930858612,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C158836135","wikidata":"https://www.wikidata.org/wiki/Q842627","display_name":"Zooplankton","level":2,"score":0.9147999882698059},{"id":"https://openalex.org/C153102810","wikidata":"https://www.wikidata.org/wiki/Q1788240","display_name":"Diel vertical migration","level":2,"score":0.7580999732017517},{"id":"https://openalex.org/C2777235683","wikidata":"https://www.wikidata.org/wiki/Q189973","display_name":"Copepod","level":3,"score":0.6823999881744385},{"id":"https://openalex.org/C77077793","wikidata":"https://www.wikidata.org/wiki/Q336019","display_name":"Abundance (ecology)","level":2,"score":0.6816999912261963},{"id":"https://openalex.org/C88160329","wikidata":"https://www.wikidata.org/wiki/Q47053","display_name":"Estuary","level":2,"score":0.642799973487854},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.59579998254776},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5691999793052673},{"id":"https://openalex.org/C133079900","wikidata":"https://www.wikidata.org/wiki/Q5155065","display_name":"Community structure","level":2,"score":0.5508000254631042},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.45509999990463257},{"id":"https://openalex.org/C84766238","wikidata":"https://www.wikidata.org/wiki/Q25364","display_name":"Crustacean","level":2,"score":0.3935000002384186},{"id":"https://openalex.org/C2778043853","wikidata":"https://www.wikidata.org/wiki/Q3808855","display_name":"Acartia","level":4,"score":0.3903999924659729},{"id":"https://openalex.org/C2777016058","wikidata":"https://www.wikidata.org/wiki/Q7574061","display_name":"Spatial distribution","level":2,"score":0.3481000065803528},{"id":"https://openalex.org/C94747663","wikidata":"https://www.wikidata.org/wiki/Q7574086","display_name":"Spatial variability","level":2,"score":0.33410000801086426},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.29440000653266907},{"id":"https://openalex.org/C125403950","wikidata":"https://www.wikidata.org/wiki/Q2111082","display_name":"Seasonality","level":2,"score":0.29330000281333923},{"id":"https://openalex.org/C122325731","wikidata":"https://www.wikidata.org/wiki/Q3738459","display_name":"Relative species abundance","level":3,"score":0.2904999852180481},{"id":"https://openalex.org/C158709400","wikidata":"https://www.wikidata.org/wiki/Q3578586","display_name":"Spatial ecology","level":2,"score":0.28850001096725464},{"id":"https://openalex.org/C108469399","wikidata":"https://www.wikidata.org/wiki/Q25367","display_name":"Plankton","level":2,"score":0.28540000319480896},{"id":"https://openalex.org/C115880899","wikidata":"https://www.wikidata.org/wiki/Q1124247","display_name":"Bay","level":2,"score":0.2784000039100647},{"id":"https://openalex.org/C530467964","wikidata":"https://www.wikidata.org/wiki/Q1997","display_name":"Carbon dioxide","level":2,"score":0.26989999413490295},{"id":"https://openalex.org/C129513315","wikidata":"https://www.wikidata.org/wiki/Q179615","display_name":"Salinity","level":2,"score":0.26440000534057617},{"id":"https://openalex.org/C521259446","wikidata":"https://www.wikidata.org/wiki/Q58734","display_name":"Pollution","level":2,"score":0.2574000060558319},{"id":"https://openalex.org/C81662871","wikidata":"https://www.wikidata.org/wiki/Q1130698","display_name":"Hydrobiology","level":3,"score":0.25}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.9734/ajfar/2026/v28i111185","doi":"https://doi.org/10.9734/ajfar/2026/v28i111185","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ajfar/2026/v28i111185","pdf_url":null,"source":{"id":"https://openalex.org/S4210237351","display_name":"Asian Journal of Fisheries and Aquatic Research","issn_l":"2582-3760","issn":["2582-3760"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Journal of Fisheries and Aquatic Research","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.9734/ajfar/2026/v28i111185","doi":"https://doi.org/10.9734/ajfar/2026/v28i111185","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ajfar/2026/v28i111185","pdf_url":null,"source":{"id":"https://openalex.org/S4210237351","display_name":"Asian Journal of Fisheries and Aquatic Research","issn_l":"2582-3760","issn":["2582-3760"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asian Journal of Fisheries and Aquatic Research","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Zooplankton":[0],"community":[1,32],"composition":[2],"reflects":[3],"environmental":[4,285],"variability":[5],"in":[6,12,45],"estuarine":[7],"systems,":[8],"but":[9],"within-day":[10],"patterns":[11],"the":[13,24,41,104,133,209,217,250,277,305,311],"Negua":[14,42,312],"Canal":[15,44,313],"have":[16],"received":[17],"limited":[18],"site-specific":[19],"assessment.":[20],"This":[21,138,245],"study":[22],"investigates":[23],"spatial":[25,139],"distribution":[26],"and":[27,34,67,88,115,127,160,174,186,219,228,234,270,284,299,307],"diurnal":[28,197],"variations":[29],"of":[30,84,92,129,231,236,253,280,310],"zooplankton":[31,95,130,205,243,281],"structure":[33],"abundance":[35,126,206],"at":[36,58],"two":[37],"contrasting":[38],"sites":[39],"along":[40],"Diversional":[43],"Purba":[46],"Medinipur,":[47],"West":[48],"Bengal,":[49],"from":[50],"March":[51],"to":[52,76,132,212,262,282],"May":[53],"2026.":[54],"Sampling":[55],"was":[56,141,199],"conducted":[57],"Site":[59,68,119,136,148,169],"A":[60,90,120,149],"(Nyaykali":[61],"Bridge),":[62],"a":[63,123,195,221],"typical":[64],"marine":[65],"environment,":[66],"B":[69,170],"(Essex":[70],"Marine":[71],"Ltd.),":[72],"an":[73,259],"area":[74],"subjected":[75],"industrial":[77,175],"wastewater":[78],"discharge,":[79],"across":[80,201],"three":[81],"distinct":[82,196],"times":[83],"day:":[85],"morning,":[86,210],"noon,":[87],"evening.":[89,225],"total":[91],"7\u20138":[93],"major":[94],"taxa":[96],"were":[97],"recorded,":[98],"with":[99,143,204],"Cyclops":[100],"sp.":[101],"emerging":[102],"as":[103,147,258,291],"dominant":[105],"species,":[106],"followed":[107],"by":[108,179,224],"Diaptomus":[109],"sp.,":[110],"Undinula":[111],"vulgaris,":[112],"crustacean":[113],"larvae,":[114],"other":[116],"copepod":[117],"forms.":[118],"consistently":[121],"supported":[122],"much":[124],"higher":[125,154],"diversity":[128],"compared":[131],"ecologically":[134],"stressed":[135],"B.":[137],"disparity":[140],"associated":[142],"water":[144,297],"quality":[145,298],"parameters,":[146],"maintained":[150],"favorable":[151],"conditions,":[152],"including":[153],"dissolved":[155],"oxygen":[156,181],"(4.8\u20136.4":[157],"mg":[158,166,184,192],"L\u207b\u00b9)":[159,185],"lower":[161],"carbon":[162,188],"dioxide":[163,189],"levels":[164,215],"(12\u201316":[165],"L\u207b\u00b9),":[167],"whereas":[168],"exhibited":[171],"prominent":[172],"organic":[173],"pollution":[176],"stress,":[177,269],"characterized":[178],"severe":[180],"depletion":[182],"(2.4\u20133.2":[183],"elevated":[187],"concentrations":[190],"(20\u201376":[191],"L\u207b\u00b9).":[193],"Furthermore,":[194],"pattern":[198],"observed":[200],"both":[202],"locations,":[203],"peaking":[207],"during":[208,216],"dropping":[211],"its":[213],"lowest":[214],"afternoon,":[218],"showing":[220],"moderate":[222],"recovery":[223],"The":[226],"independent":[227],"interactive":[229],"effects":[230],"sampling":[232],"site":[233],"time":[235],"day":[237],"significantly":[238],"influenced":[239],"(p":[240],"<":[241],"0.05)":[242],"density.":[244],"temporal":[246],"fluctuation":[247],"may":[248],"reflect":[249],"behavioral":[251],"phenomenon":[252],"diel":[254],"vertical":[255],"migration":[256],"(DVM)":[257],"adaptive":[260],"response":[261],"avoid":[263],"intense":[264],"midday":[265],"solar":[266],"radiation,":[267],"thermal":[268],"visual":[271],"predation.":[272],"Ultimately,":[273],"these":[274],"findings":[275],"underscore":[276],"high":[278],"sensitivity":[279],"anthropogenic":[283],"stressors,":[286],"supporting":[287],"their":[288],"potential":[289],"utility":[290],"reliable":[292],"biological":[293],"indicators":[294],"for":[295,304],"monitoring":[296],"establishing":[300],"crucial":[301],"baseline":[302],"data":[303],"conservation":[306],"sustainable":[308],"management":[309],"ecosystem.":[314]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-11T00:00:00"}
