{"id":7308,"date":"2025-06-07T11:27:09","date_gmt":"2025-06-07T10:27:09","guid":{"rendered":"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/article\/tackling-invasive-non-native-species\/"},"modified":"2025-10-22T14:51:59","modified_gmt":"2025-10-22T13:51:59","slug":"tackling-invasive-non-native-species","status":"publish","type":"article","link":"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/cy\/article\/tackling-invasive-non-native-species\/","title":{"rendered":"Mynd i\u2019r afael \u00e2 rhywogaethau estron goresgynnol"},"content":{"rendered":"<p>Gall rhywogaethau ymledol reoli ecosystemau cyfan, gan drechu a bygwth bioamrywiaeth Cymru. Maent yn un o\u2019r \u2018pum prif\u2019 sbardun i ddirywiad ym myd natur ochr yn ochr \u00e2 llygredd, newidiadau mewn defnydd o\u2019r tir a\u2019r m\u00f4r, ecsbloetio rhywogaethau a newid hinsawdd.<\/p>\n<p>Mae\u2019r timau Ceidwaid ledled Tirwedd Genedlaethol Bryniau Clwyd a Dyffryn Dyfrdwy yn gweithio ochr yn ochr \u00e2 thimau o Ymddiriedolaeth Natur Gogledd Cymru a Chyfoeth Naturiol Cymru i helpu i fynd i\u2019r afael \u00e2 lledaeniad rhywogaethau estron goresgynnol.<\/p>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-balsam-before-768x1024.jpg\" alt=\"Balsam before cutting\" class=\"wp-image-2084\" srcset=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-balsam-before-768x1024.jpg 768w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-balsam-before-225x300.jpg 225w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-balsam-before-1152x1536.jpg 1152w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-balsam-before.jpg 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-after-clearing-768x1024.jpg\" alt=\"Balsam after clearing\" class=\"wp-image-2086\" srcset=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-after-clearing-768x1024.jpg 768w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-after-clearing-225x300.jpg 225w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-after-clearing-1152x1536.jpg 1152w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/Wernffrwd-after-clearing.jpg 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n<p>Mae\u2019r prif rywogaethau y mae\u2019r Ceidwaid yn mynd i\u2019r afael \u00e2 hwy ar hyn o bryd yn cynnwys:<\/p>\n<ul>\n<li>Clymog Japan a Jac y Neidiwr \u2013 yn bennaf ar hyd y dyfrffyrdd<\/li>\n<li>Creigafal (<em>cotoneaster<\/em>) \u2013 sy\u2019n bygwth ein glaswelltir calchfaen<\/li>\n<\/ul>\n<p>Gellwch chi helpu a chymryd rhan hefyd wrth wirfoddoli gyda thimau\u2019r Ceidwaid \u2013 <a href=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/cy\/protect\/volunteering\/\">canfod mwy<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-2088\" src=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-1024x576.jpg\" alt=\"Volunteers clearing invasive species in the Clwydian Range and Dee Valley National Landscape\" width=\"1024\" height=\"576\" srcset=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-1024x576.jpg 1024w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-300x169.jpg 300w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-768x432.jpg 768w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-1536x864.jpg 1536w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy-1200x675.jpg 1200w, https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/wp-content\/uploads\/2025\/06\/still-010-copy.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Rhywogaethau anfrodorol ymledol (rhywogaethau ymledol) yw planhigion neu anifeiliaid sydd wedi cael eu cyflwyno gan fodau dynol i gorneli o\u2019r byd lle na fyddent i\u2019w gweld yn naturiol.<\/p>\n","protected":false},"featured_media":2083,"menu_order":0,"template":"","article-category":[135,134],"class_list":["post-7308","article","type-article","status-publish","has-post-thumbnail","hentry","article-category-conservation-work-cy","article-category-protect-cy"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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