Abd Razak Siti Balqis, F. Yusoff, Fareha Hilaluddin, M. Karim
{"title":"Variations of environmental parameters and zooplankton abundance in port dickson coastal waters over a decade of development","authors":"Abd Razak Siti Balqis, F. Yusoff, Fareha Hilaluddin, M. Karim","doi":"10.1063/5.0124902","DOIUrl":null,"url":null,"abstract":"Environmental parameters and zooplankton abundance in Port Dickson coastal waters in 2010 were compared with those in 2020 to detect marine environmental changes over the 10-year period in this rapidly developing tourist destination. The first COVID-19 movement control order (MCO) began in March until June 2020, after which the MCO was relaxed to allow tourism. Turbidity, nutrients and chlorophyll-a were significantly higher in 2020 compared to those in 2010. Within the year 2020, nutrients and chlorophyll-a were relatively low immediately after the MCO, but steadily increased as human activities intensified in the area. Nutrient enrichments were highest in September 2020, approximately three months after the first MCO. With the increase of primary production, zooplankton density concomitantly increased from a mean density of 559.9 in.m-3 in 2010 to 2717.0 in.m-3 in 2020. In both years, copepods were the most dominant zooplankton group, contributing to 79.7% and 82.5% of the total zooplankton in 2010 and 2020, respectively. This study illustrated that Port Dickson coastal waters showed nutrient enrichment over the years. The temporary absence/decrease of human activities related to COVID-19 pandemic resulted in relatively low nutrients and chlorophyll-a, but rapidly increased again with the relaxation of the restrictive movement order. © 2023 Author(s).","PeriodicalId":57647,"journal":{"name":"指挥信息系统与技术","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"指挥信息系统与技术","FirstCategoryId":"1093","ListUrlMain":"https://doi.org/10.1063/5.0124902","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
十年来波德申沿岸水域环境参数及浮游动物丰度的变化
通过对2010年和2020年波德申沿海水域环境参数和浮游动物丰度的比较,探讨了这个快速发展的旅游目的地10年来的海洋环境变化。从今年3月开始到2020年6月,首次实施了新冠肺炎流动管制令(MCO),之后放宽了对旅游的限制。与2010年相比,2020年浑浊度、营养物和叶绿素a显著增加。在2020年内,营养物和叶绿素-a在MCO发生后处于较低水平,但随着人类活动的加剧,营养物和叶绿素-a呈稳定上升趋势。2020年9月,即第一次MCO大约三个月后,养分富集程度最高。随着初级产量的增加,浮游动物密度也随之增加,平均密度为559.9 in。从2010年的M-3到2717.0英寸。2020年M-3。2010年和2020年,桡足类是最占优势的浮游动物类群,分别占总浮游动物的79.7%和82.5%。这项研究表明,波德申沿岸水域多年来呈现出营养丰富的趋势。与COVID-19大流行相关的人类活动的暂时缺失/减少导致营养物质和叶绿素-a相对较低,但随着限制性运动秩序的放松,叶绿素-a又迅速增加。©2023作者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。