{"id":13260,"date":"2021-03-24T10:50:07","date_gmt":"2021-03-24T10:50:07","guid":{"rendered":"http:\/\/www.harbour2.cardiffcouncilwebteam.co.uk\/ynys-echni\/learning\/"},"modified":"2023-09-14T09:46:59","modified_gmt":"2023-09-14T09:46:59","slug":"cadwraeth","status":"publish","type":"page","link":"https:\/\/www.cardiffharbour.com\/cy\/ynys-echni\/cadwraeth\/","title":{"rendered":"Cadwraeth"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<h2 class=\"rancho_font\">Cadwraeth<\/h2>\n<p>[\/vc_column_text][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243;][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_column_text]<\/p>\n<h2 class=\"rancho_font\">Bioddiogelwch<\/h2>\n<p>[\/vc_column_text][vc_column_text]Mae bioddiogelwch yn cyfeirio at y camau a gymerir i amddiffyn ardaloedd rhag ysglyfaethwyr a phlanhigion ymledol.<\/p>\n<p>&nbsp;<\/p>\n<p>Gallai ysglyfaethwyr a phlanhigion ymledol achosi niwed difrifol i ynysoedd sydd yn rhydd rhag ysglyfaethwyr. Mae ein rhywogaethau o adar wedi esblygu i nythu ar y ddaear neu mewn tyllau, gan fod eu hynys bob amser wedi bod yn rhydd rhag ysglyfaethwyr tir. Felly gallai dyfodiad ysglyfaethwyr ar Ynys Echni gael effaith ddinistriol ar rywogaethau o&#8217;r fath.<\/p>\n<p>Mae Ynys Echni, sydd yn atyniad ymwelwyr poblogaidd, yn gartref i lawer o rywogaethau sy&#8217;n cael eu gwarchod, fel yr wylan gefnddu leiaf. Er mwyn i&#8217;r ynys barhau i fod yn lle pleserus a diogel i fywyd gwyllt ac ymwelwyr, mae&#8217;n hanfodol bod mesurau bioddiogelwch yn cael eu cymryd o ddifrif. Byddai methu \u00e2 chyflawni&#8217;r mesurau hyn yn rhoi Ynys Echni mewn perygl mawr o bla o gnofilod, er enghraifft. Byddai dileu pl\u00e2u o&#8217;r fath yn cymryd amser, byddai\u2019n gostus a gallai achosi niwed parhaol i amgylchedd yr ynys.<\/p>\n<p>Pam mae bioddiogelwch yn bwysig?<\/p>\n<p>Mae mesurau bioddiogelwch ar waith i amddiffyn bywyd gwyllt Ynys Echni rhag ysglyfaethwyr, fel cnofilod, Canclwm Japan a phlanhigion ymledol eraill, a gallai pob un ohonynt gael effeithiau niweidiol difrifol. Mae ysglyfaethwyr yn bwyta gwylanod ac wyau adar eraill sy&#8217;n nythu ar y ddaear, a allai ddileu&#8217;r boblogaeth o wylanod sydd yn cael eu gwarchod ar yr ynys ymhen ychydig flynyddoedd, oherwydd y gyfradd y mae cnofilod yn magu. Mae effaith canclwm Japan yn ddifrifol hefyd, am y gallai niweidio adeiladau&#8217;r ynys a hyd yn oed goresgyn cynefinoedd glaswelltir. Dyma pam y mae&#8217;n bwysig bod y mesurau hyn yn cael eu cymryd o ddifrif ac yn cael eu trin yn broffesiynol.[\/vc_column_text][vc_column_text]<\/p>\n<p>[\/vc_column_text][vc_tta_accordion style=&#8221;flat&#8221; color=&#8221;peacoc&#8221; active_section=&#8221;0&#8243; no_fill=&#8221;true&#8221; collapsible_all=&#8221;true&#8221;][vc_tta_section title=&#8221;Gwybodaeth Biodiogelwch am ymwelwyr&#8221; tab_id=&#8221;1694514043036-6af25939-fea2&#8243;][vc_column_text]Er mai gweithwyr proffesiynol sy&#8217;n delio \u00e2&#8217;r rhan fwyaf o&#8217;r gwaith, mae yna ffyrdd y gallwch chi gynorthwyo. Os ydych ar ymweliad ag Ynys Echni neu ar daith cwch o amgylch Bae Caerdydd, gallwch chi hefyd gyfrannu.<\/p>\n<p>Cofiwch:<\/p>\n<ul>\n<li>Peidiwch \u00e2 dod \u00e2 bwyd ar gwch os nad yw mewn cynhwysydd wedi&#8217;i selio.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Parchwch Ynys Echni ac ardal y Bae a pheidiwch \u00e2 gollwng sbwriel na gadael bwyd ar \u00f4l.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Os ydych yn gadael yn eich cwch personol, dilynwch y mesurau a chwiliwch am deithwyr cudd cyn cychwyn.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Os gwelir cnofil neu finc yn ystod eich taith ar gwch, mae\u2019n rhaid i chi ddychwelyd i&#8217;r lanfa lle gellir delio \u00e2&#8217;r sefyllfa. Peidiwch \u00e2&#8217;i daflu oddi ar y cwch na glanio ar Ynys Echni gydag ef yn dal ar fwrdd y cwch. Gellir atal presenoldeb cnofilod a mincod trwy osod trapiau neu ddefnyddio gwenwyn.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Gwybodaeth Biodiogelwch am gweithredwyr cychod &#8221; tab_id=&#8221;1694514125255-a370c715-aeb5&#8243;][vc_column_text]There are many measures which must be met. Here are the most important ones:<\/p>\n<ul>\n<li>Checking boats for rodents and mink.<\/li>\n<li>Checking cargo for rodents and mink.<\/li>\n<li>Making sure that no fishing bags are left out overnight for rodents to hide in.<\/li>\n<li>Monitoring key areas for rodent and mink damage\/activity and droppings.<\/li>\n<li>Searching for the presence of knotweed, and, if found, reporting it.<\/li>\n<li>Not leaving food on or around boats travelling to Flat Holm.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_column_text]<\/p>\n<h2 class=\"rancho_font\">Cadwraeth Natur<\/h2>\n<p>[\/vc_column_text][vc_column_text]Mae llawer o fesurau y mae&#8217;n rhaid eu bodloni. Dyma\u2019r rhai pwysicaf:<\/p>\n<ul>\n<li>Archwilio cychod am gnofilod a mincod.<\/li>\n<li>Archwilio cargo am gnofilod a mincod.<\/li>\n<li>Sicrhau nad oes bagiau pysgota\u2019n cael eu gadael allan dros nos i gnofilod guddio ynddynt.<\/li>\n<li>Monitro ardaloedd allweddol o ran difrod\/gweithgaredd a charthion cnofilod a mincod.<\/li>\n<li>Chwilio am bresenoldeb canclwm Japan, ac, os caiff ei ganfod, adrodd am hyn.<\/li>\n<li>Peidio \u00e2 gadael bwyd ar gychod sy&#8217;n teithio i Ynys Echni neu o&#8217;u hamgylch.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_column_text]<\/p>\n<h2 class=\"rancho_font\">Cynllyn rheoli<\/h2>\n<p>[\/vc_column_text][vc_column_text]Mae\u00a0<a href=\"http:\/\/www.flatholmisland.com\/ObjView.asp?Object_ID=10539\">Cynllun Rheoli Ynys Echni<\/a>\u00a0yn amlinellu nodweddion pwysig yr ynys. Mae\u2019n creu sylfaen ar gyfer gwella cynefinoedd yr ynys.<\/p>\n<p>Ym 1982, sefydlwyd Prosiect Ynys Echni. Y nod oedd rheoli Ynys Echni fel gwarchodfa natur leol ac annog mynediad a chyfleoedd addysg i ymwelwyr.<br \/>\nMae i\u2019r ynys hanes hir ac amrywiol, ac fe\u2019i defnyddiwyd gan ddyn ers y cyfnod cyn hanes. Ffermiwyd yno am 800 can mlynedd a daeth hynny i ben ym 1942. Fe\u2019i trowyd yn gadarnle ddwywaith, yn fwyaf diweddar yn ystod yr 2il Ryfel Byd. Mae gan yr ynys nifer o adeiladau a strwythurau o\u00a0<a href=\"http:\/\/www.flatholmisland.com\/content.asp?nav=5236&amp;parent_directory_id=3813\">ddiddordeb hanesyddol<\/a>, ac mae nifer ohonynt yn adeiladau rhestredig a henebion rhestredig.<\/p>\n<p>Mae hanes a daeareg naturiol Ynys Echni yn ddiddorol a phwysig. Dyma rai o\u2019r nodweddion hynod:<\/p>\n<ul>\n<li>Glaswelltir calchfaen ar yr arfordir<\/li>\n<li>Cynefinoedd ar glogwyni<\/li>\n<li>Cennin gwyllt<\/li>\n<li>Cytref o wylanod cefnddu sy\u2019n nythu<\/li>\n<\/ul>\n<p>Dyma restr o rai o\u2019r rhywogaethau y gellir eu gweld ar yr Ynys drwy gydol y flwyddyn; Adar: hwyaid yr eithin, piod m\u00f4r, corhedion y graig, pincod a llinosiaid, cwtiaid y traeth a phibyddion y mawn Anifeiliaid: cwningod, dallnadroedd, madfallod a glo\u00ffnnod byw Planhigion: cennin gwyllt, rhosod-y-mynydd gwyllt, clustogau Mair, lafant y morgreigiau, gludlys arfor a chlychau\u2019r gog.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;16326&#8243; img_size=&#8221;large&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_circle_2&#8243;][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator][vc_column_text]<\/p>\n<h2 class=\"rancho_font\">Cynaliadwyedd<\/h2>\n<p>[\/vc_column_text][vc_separator][vc_column_text]Mae prosiect Ynys Echni\u2019n anelu i arddangos technolegau cynaliadwy. Roedd y cyflenwad p\u0175er gwreiddiol yn cynnwys amryw o eneraduron diesel anghysylltiedig mewn gwahanol adeiladau.<\/p>\n<p>Yn 2006\/2007, cafodd grid bychan ei osod rhwng y ffermdy, y gweithdai a bwthyn ceidwad y corn niwl. Caiff y grid hwn ei bweru gan fanc batri a gaiff ei wefru gan ddwy res o baneli ffotofolt\u00e4ig, a chan dyrbin gwynt wedi\u2019i leoli ar hen d\u0175r telathrebu ar ran uchaf yr Ynys. Ar hyn o bryd, mae\u2019r Ynys yn gallu cynhyrchu 90% o\u2019i thrydan o ffynonellau gwyrdd, gan leihau \u00f4l troed carbon yr Ynys.<\/p>\n<p>Mae\u2019r ynys hefyd yn gynaliadwy gan nad oes ffynhonnell o dd\u0175r ar yr ynys, felly cesglir d\u0175r glaw oddi ar doeau\u2019r adeiladau. Caiff y d\u0175r hwn ei gadw mewn tanc d\u0175r Fictoraidd tanddaearol a\u2019i bwmpio drwy system hidlo uwch fioled.<\/p>\n<p>Mae system wresogi ynni\u2019r haul a boeler biomas yn darparu\u2019r rhan fwyaf o dd\u0175r poeth a gwres sydd ei angen ar yr Ynys drwy gydol y flwyddyn. Caiff broc a gesglir o\u2019r glannau ei sychu am flwyddyn a\u2019i ddefnyddio\u2019n danwydd ar gyfer y boeler, gan leihau\u2019r angen i gludo pren o\u2019r tir mawr.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"[vc_row][vc_column][vc_column_text] Cadwraeth [\/vc_column_text][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243;][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_column_text] Bioddiogelwch [\/vc_column_text][vc_column_text]Mae bioddiogelwch yn cyfeirio at y camau a gymerir i amddiffyn ardaloedd rhag ysglyfaethwyr a phlanhigion ymledol. &nbsp; Gallai ysglyfaethwyr&#8230;","protected":false},"author":2,"featured_media":0,"parent":13249,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page_flatholm.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-13260","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cadwraeth - 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\/flat-holm-island\/conservation\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cadwraeth - Cardiff Harbour Authority\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text] Cadwraeth [\/vc_column_text][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243;][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_column_text] Bioddiogelwch [\/vc_column_text][vc_column_text]Mae bioddiogelwch yn cyfeirio at y camau a gymerir i amddiffyn ardaloedd rhag ysglyfaethwyr a phlanhigion ymledol. &nbsp; Gallai ysglyfaethwyr...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cardiffharbour.com\/flat-holm-island\/conservation\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardiff Harbour Authority\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-14T09:46:59+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cardiffharbour.com\\\/flat-holm-island\\\/conservation\\\/\",\"url\":\"https:\\\/\\\/www.cardiffharbour.com\\\/flat-holm-island\\\/conservation\\\/\",\"name\":\"Cadwraeth - Cardiff Harbour Authority\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cardiffharbour.com\\\/#website\"},\"datePublished\":\"2021-03-24T10:50:07+00:00\",\"dateModified\":\"2023-09-14T09:46:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.cardiffharbour.com\\\/flat-holm-island\\\/conservation\\\/#breadcrumb\"},\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.cardiffharbour.com\\\/flat-holm-island\\\/conservation\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.cardiffharbour.com\\\/flat-holm-island\\\/conservation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.cardiffharbour.com\\\/cy\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ynys Echni\",\"item\":\"https:\\\/\\\/www.cardiffharbour.com\\\/cy\\\/ynys-echni\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cadwraeth\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.cardiffharbour.com\\\/#website\",\"url\":\"https:\\\/\\\/www.cardiffharbour.com\\\/\",\"name\":\"Cardiff Harbour Authority\",\"description\":\"Cardiff Harbour Authority manages and maintains Cardiff bay and the barrage.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.cardiffharbour.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy-GB\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cadwraeth - Cardiff Harbour Authority","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cardiffharbour.com\/flat-holm-island\/conservation\/","og_locale":"cy_GB","og_type":"article","og_title":"Cadwraeth - Cardiff Harbour Authority","og_description":"[vc_row][vc_column][vc_column_text] Cadwraeth [\/vc_column_text][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243;][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][vc_column_text] Bioddiogelwch [\/vc_column_text][vc_column_text]Mae bioddiogelwch yn cyfeirio at y camau a gymerir i amddiffyn ardaloedd rhag ysglyfaethwyr a phlanhigion ymledol. &nbsp; 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