{"id":22969,"date":"2026-10-12T22:16:02","date_gmt":"2026-10-12T19:16:02","guid":{"rendered":"https:\/\/latvianature.daba.gov.lv\/?page_id=22969"},"modified":"2026-10-12T22:20:58","modified_gmt":"2026-10-12T19:20:58","slug":"pilot-site-for-the-control-of-himalayan-balsam","status":"publish","type":"page","link":"https:\/\/latvianature.daba.gov.lv\/en\/pilot-site-for-the-control-of-himalayan-balsam\/","title":{"rendered":"Pilot site for the control of Himalayan balsam"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"22969\" class=\"elementor elementor-22969\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d90f47c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d90f47c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-eee9601\" data-id=\"eee9601\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b0230a elementor-widget elementor-widget-text-editor\" data-id=\"6b0230a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>The effectiveness of control methods for Himalayan balsam (<em>Impatiens glandulifera<\/em>) is being assessed at five pilot sites covering a total of 17.98 hectares:<\/h3><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Krustkalni Nature Reserve \u2013 0.08 ha<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> \u0136emeri National Park \u2013 3.21 ha<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Vecdaugava Nature Reserve \u2013 6.83 ha<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Beit\u0101ni Hillfort, R\u0101zna National Park \u2013 7.86 ha<\/p><p data-pm-slice=\"1 1 []\">The work is being led by the project partner, Nature Conservation Agency of Latvia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-11c492a\" data-id=\"11c492a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b9f84e elementor-widget elementor-widget-image\" data-id=\"0b9f84e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-1024x768.jpg.webp\" class=\"attachment-large size-large wp-image-13460\" alt=\"\" srcset=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-1024x768.jpg.webp 1024w, https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-300x225.jpg.webp 300w, https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-768x576.jpg.webp 768w, https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-1536x1152.jpg.webp 1536w, https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2023\/08\/A-Puku-sprigane_A.Priede-4-1-scaled.jpg.webp 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cd80443 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd80443\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0ed75fe\" data-id=\"0ed75fe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cdfb080 elementor-widget elementor-widget-image\" data-id=\"cdfb080\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"428\" height=\"486\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/Group-9166.jpg\" class=\"attachment-large size-large wp-image-17025\" alt=\"\" srcset=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/Group-9166.jpg 428w, https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/Group-9166-264x300.jpg 264w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0a0c626\" data-id=\"0a0c626\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7765f68 elementor-widget elementor-widget-text-editor\" data-id=\"7765f68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 data-pm-slice=\"1 1 []\">The effectiveness of five control methods is being assessed under Latvian conditions:<\/h3><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Steam treatment<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Grazing by horses<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Rotavating the topsoil and overseeding with a competitive plant species (great burdock)<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Hand-pulling<\/p><p><img decoding=\"async\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2022\/07\/Sarkans-kasitis.png.webp\" alt=\"\" width=\"17\" height=\"18\" \/> Mulching<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9229a7e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9229a7e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-811546d\" data-id=\"811546d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-648f74e elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"648f74e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_20231107_112823-768x576.jpg\" alt=\"IMG_20231107_112823\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_9962-768x576.jpg\" alt=\"IMG_9962\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/Picture15.png\" alt=\"Picture15\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/Picture16.jpg\" alt=\"Picture16\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_0478-768x576.jpg\" alt=\"IMG_0478\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"6 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_20231107_115715-768x576.jpg\" alt=\"IMG_20231107_115715\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"7 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/77ED3518-4A8D-4530-AA38-B687F47FD00E-1-768x576.jpeg\" alt=\"77ED3518-4A8D-4530-AA38-B687F47FD00E (1)\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"8 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_0423-768x576.jpg\" alt=\"IMG_0423\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"9 of 9\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/latvianature.b-cdn.net\/wp-content\/uploads\/2024\/10\/IMG_0425-768x576.jpg\" alt=\"IMG_0425\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-15c2db5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15c2db5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8e02b06\" data-id=\"8e02b06\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bd41838 elementor-widget elementor-widget-text-editor\" data-id=\"bd41838\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-pm-slice=\"1 1 []\">The effectiveness of control methods will be evaluated at the LatViaNature pilot sites, with the aim of developing science-based guidelines in 2027 for managing invasive alien species elsewhere in Latvia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f9eacc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f9eacc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e7f7cd\" data-id=\"5e7f7cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1649fad elementor-widget elementor-widget-text-editor\" data-id=\"1649fad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-pm-slice=\"1 1 []\">Visit www.invazivs.lv to learn more about Himalayan balsam, including its introduction pathways, impacts, control methods and distribution in Latvia: <a href=\"https:\/\/ozols.gov.lv\/kartes\/apps\/sites\/#\/invazivo-sugu-parvaldnieks\/pages\/puku-sprigane\">HERE&gt;&gt;&gt;<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The effectiveness of control methods for Himalayan balsam (Impatiens glandulifera) is being assessed at five pilot sites covering a total of 17.98 hectares: Krustkalni Nature Reserve \u2013 0.08 ha \u0136emeri National Park \u2013 3.21 ha Vecdaugava Nature Reserve \u2013 6.83 ha Beit\u0101ni Hillfort, R\u0101zna National Park \u2013 7.86 ha The work is being led by [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"class_list":["post-22969","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pilot site for the control of Himalayan balsam - LatViaNature<\/title>\n<meta name=\"description\" content=\"The effectiveness of control methods for Himalayan balsam (Impatiens glandulifera) is being assessed at five pilot sites 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