{"id":17346,"date":"2024-03-13T16:58:25","date_gmt":"2024-03-13T16:58:25","guid":{"rendered":"https:\/\/app-cprd-cardiffharbour.azurewebsites.net\/?p=17346"},"modified":"2024-03-13T16:58:25","modified_gmt":"2024-03-13T16:58:25","slug":"gwaith-yn-y-gwlyptiroedd","status":"publish","type":"post","link":"https:\/\/www.cardiffharbour.com\/cy\/gwaith-yn-y-gwlyptiroedd\/","title":{"rendered":"Gwaith yn y Gwlyptiroedd"},"content":{"rendered":"<p><strong>Mae un o warcheidwaid y coetir, Richard Cornock, yn siarad \u00e2 ni am y tasgau cynnal a chadw yng Ngwarchodfa Gwlyptiroedd Bae Caerdydd yn ddiweddar. <\/strong><\/p>\n<p>Mae&#8217;r gwaith i glirio&#8217;r ffos ddraenio yn digwydd bob rhyw 10 mlynedd. Y pwrpas yw agor y ddyfrffordd, clirio&#8217;r malurion cronedig a rheoli&#8217;r tyfiant coediog, fel helyg a mieri. Mae&#8217;r ffos ddraenio yn gronfa dd\u0175r sy\u2019n bwydo pyllau niferus y warchodfa a&#8217;r ddau wely cyrs mawr. Mae&#8217;r ffos ddraenio hon yn cyfrif am 5% o&#8217;r cyrs, ac mae 80% o&#8217;r ffos ddraenio wedi&#8217;i chlirio, gan adael 20% yn ystod y gwaith.<\/p>\n<p>Dros y blynyddoedd, rydym wedi colli&#8217;r amrywiaeth o blanhigion ymylol ar hyd ymyl y d\u0175r, yn enwedig planhigion fel gwaedlys mawr. Bydd y cyrs yn gwella&#8217;n fuan, ac yn sicr erbyn i&#8217;n hadar mudol ddychwelyd i nythu, bydd yr ymyl d\u0175r yn llawer mwy amrywiol.\u00a0 Mae&#8217;r warchodfa yn dal mwy na digon o gynefin wrth gefn i ganiat\u00e1u ar gyfer y gwaith hwn.<\/p>\n<p>Mae&#8217;r pwll wedi cael gwaith sylweddol ar un o&#8217;r all-lifoedd yn sgil gollwng d\u0175r.\u00a0 Yn dilyn pryderon gan Gyfoeth Naturiol Cymru am y dirywiad ym maint y gorchudd cyrs, penderfynwyd trwsio&#8217;r all-lif a cheisio codi lefel y d\u0175r yn \u00f4l i&#8217;w uchder dymunol, sef rhyw 300mm yn uwch nag ydyw ar hyn o bryd.<\/p>\n<p>Tynnwyd y cyrs ar yr ymyl ogleddol yn \u00f4l i glirio sawl blwyddyn o dwf a oedd wedi troi&#8217;n rafft sych ac a oedd yn dechrau\u00a0 ymledu i\u2019r prif bwll. Bydd y gwaith hwn nawr yn annog twf newydd ac yn creu cynefin gwell i adar fel telor yr hesg. Dim ond 20% o&#8217;r cyrs sydd wedi&#8217;u dileu.\u00a0 Y gobaith yw pan fydd lefel y d\u0175r yn codi, bydd yn helpu i reoli&#8217;r alg\u00e2u a oedd wedi gafael yn y d\u0175r mwy bas, cynhesach.<\/p>\n<p>Rwy&#8217;n ei gweld hi&#8217;n haws ei reoli ac yn sicr mae&#8217;n llai dinistriol i wneud y gwaith i gyd mewn un ergyd yn hytrach na thros sawl blwyddyn &#8211; bydd y safle bellach yn addas i&#8217;n hadar bridio niferus am y 10 mlynedd nesaf. Ni fydd angen ailadrodd y gwaith hwn, ar wah\u00e2n i bach o waith coedlan blynyddol, am sawl blwyddyn arall.<\/p>\n<p>Rydym wedi bod yn gwneud gwaith coedlan wedi&#8217;i dargedu ar y warchodfa ei hun i atal y gwelyau cyrs rhag troi\u2019n goetir. Tra bu gen i\u2019r peiriannau ar y safle, bachais ar y cyfle i greu rhywfaint o dd\u0175r agored o fewn y gwelyau cyrs yn y brif warchodfa. Nid yw hyn yn fwy na 5% o gyfanswm y gorchudd gwely cyrs fesul llain.<\/p>\n<p>Buom yn defnyddio binocwlars delweddu thermol i arolygu&#8217;r safle cyn ac yn ystod y gwaith, a dewis yr amser gorau o&#8217;r flwyddyn i wneud y gwaith gan ddefnyddio contractwr amgylcheddol arbenigol a&#8217;n staff mewnol ein hunain. Bydd y gwaith yn helpu&#8217;r warchodfa i ddatblygu&#8217;n gynefin mwy amrywiol.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"Mae un o warcheidwaid y coetir, Richard Cornock, yn siarad \u00e2 ni am y tasgau cynnal a chadw yng Ngwarchodfa Gwlyptiroedd Bae Caerdydd yn ddiweddar&#8230;.","protected":false},"author":2,"featured_media":17340,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[99],"tags":[],"class_list":["post-17346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-updates-cy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gwaith yn y Gwlyptiroedd - Cardiff Harbour Authority<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cardiffharbour.com\/works-in-the-wetlands\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gwaith yn y Gwlyptiroedd - 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