{"id":7454,"date":"2023-12-27T18:18:05","date_gmt":"2023-12-27T15:18:05","guid":{"rendered":"https:\/\/lhei.lv\/project-improving-microplastic-pollution-monitoring-in-rivers-and-coastal-sands-has-ended-in-november\/"},"modified":"2024-01-03T18:17:54","modified_gmt":"2024-01-03T15:17:54","slug":"project-improving-microplastic-pollution-monitoring-in-rivers-and-coastal-sands-has-ended-in-november","status":"publish","type":"post","link":"https:\/\/lhei.lv\/en\/project-improving-microplastic-pollution-monitoring-in-rivers-and-coastal-sands-has-ended-in-november\/","title":{"rendered":"Project &#8220;Improving microplastic pollution monitoring in rivers and coastal sands&#8221; has ended in November"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"Post-text-hide wp-block-paragraph\">Project aiming to improve microplastic pollution monitoring methods in rivers and coastal sands ended in November<\/p>\n\n\n\n<div class=\"wp-block-columns alignfull back-content has-ast-global-color-5-color has-text-color has-background is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\" style=\"background-color:#233173\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"inherit-container-width wp-block-group back_btn_button is-layout-constrained wp-block-group-is-layout-constrained\">\n<button type=\"button\" onclick=\"history.back();\"> &lt;  Back <\/button>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns Post-content-news is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column p-con-left is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Project &#8220;Improving microplastic pollution monitoring in rivers and coastal sands&#8221; has ended in November<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Project <a href=\"https:\/\/lhei.lv\/en\/improving-monitoring-of-microplastic-pollution-in-rivers-and-coastal-sand\/\" target=\"_blank\" rel=\"noreferrer noopener\">&#8220;Improving microplastic pollution monitoring in rivers and coastal sands&#8221;<\/a> (Reg.No. 1-08\/37\/2022) financed by <strong>Latvian Environmental Protection Fund<\/strong> has been finalized in November.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The aim of the project was to improve the monitoring <strong>methods of microplastic pollution detection<\/strong> in rivers and coastal sea sands on the basis of existing knowledge and methods and to create guidelines for regular monitoring, which would allow to determine and characterize trends related to changes in the amount of microplastic pollution in the environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During the implementation of the project information on monitoring of microplastic pollution in rivers and coastal beach sand in other European countries was collected and existing protocols for sampling and processing were improved. In total 297 samples were collected, processed and analyzed from <strong>5 largest rivers<\/strong> and <strong>11 sea beaches<\/strong> in Latvia during 4 seasons of one year. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the framework of the project <strong>&#8220;Guidelines for monitoring microplastic pollution in rivers and beach sand&#8221;<\/strong> where created, containing information on sample collection, processing, analysis, results and recommendations for further monitoring.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It was found that the highest concentrations of microplastic pollution in beach sand can be observed in the autumn and winter seasons. Highest amounts of microplastic particles were found on the following beaches &#8211; <strong>Akme\u0146rags<\/strong>, <strong>Liep\u0101ja<\/strong>, <strong>T\u016bja<\/strong>, <strong>Vec\u0101\u0137i<\/strong> un <strong>Ventspils<\/strong>, whereas the lowest amounts were found in Engure, Lilaste, M\u0113rsrags, Roja un J\u016brkalne. <strong>Fibers<\/strong> and <strong>fragments<\/strong> were dominant in beach sand. Particle sizes were predominantly in the 1\u20135 mm fraction. The most common types of polymers in the sand were <strong>polyethylene<\/strong>, <strong>polypropylene<\/strong> and <strong>polystyrene<\/strong>.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The concentration of microplastics in beach sand is influenced by the granulometric composition of the sand, as well as the wave energy regime of the Baltic Sea and the Gulf of Riga, along with the circulation of currents and the balance of freshwater inflow. In rivers, the highest concentration of microplastic particles was found in <strong>Salaca<\/strong>, while the lowest &#8211; in Lielupe. The highest amounts of particles were observed in the spring season samples: mostly fragments and fibers in the <strong>300-1000 \u00b5m<\/strong> size fraction and the most common polymer types detected were <strong>polyethylene<\/strong> and <strong>polypropylene<\/strong>.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>You can find out more about the results of the study here:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LVAF_Mikroplastmasas_piesarnojuma_monitoringa_atskaite_LHEI_2023.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Monitoring guidelines developed in the project (in Latvian)<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/youtu.be\/X7Kzh2hf_Y8\" target=\"_blank\" rel=\"noreferrer noopener\">Recording of the final project seminar (in Latvian)<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LVAF_Mikroplastmasas_pies._seminara_prezentacijas.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Presentations of the final seminar of the project (in Latvian)<\/a><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column p-con-right is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-1024x768.jpg\" alt=\"\" class=\"wp-image-7418\" srcset=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-1024x768.jpg 1024w, https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-300x225.jpg 300w, https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-768x576.jpg 768w, https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-1536x1152.jpg 1536w, https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl1-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-996fc97d wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl2-scaled.jpg\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl2-1024x768.jpg ,https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl2-scaled.jpg 780w, https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl2-scaled.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/lhei.lv\/wp-content\/uploads\/2023\/12\/LHEI_LVAF_mikropl2-1024x768.jpg\" alt=\"\" class=\"uag-image-7420\" width=\"4032\" height=\"3024\" title=\"\" loading=\"lazy\"\/><\/a><\/figure><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Project aiming to improve microplastic pollution monitoring methods in rivers and coastal sands ended in November<\/p>\n","protected":false},"author":5,"featured_media":7423,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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