{"id":8895,"date":"2022-01-10T10:54:22","date_gmt":"2022-01-10T10:54:22","guid":{"rendered":"https:\/\/afonyddcymru.cambrianweb.dev\/morlynnoedd-llanw\/"},"modified":"2026-10-17T22:43:58","modified_gmt":"2026-10-17T21:43:58","slug":"morlynnoedd-llanw","status":"publish","type":"post","link":"https:\/\/afonyddcymru.cambrianweb.dev\/cy\/morlynnoedd-llanw\/","title":{"rendered":"Morlynnoedd Llanw"},"content":{"rendered":"<div class=\"et_d4_element et_pb_section et_pb_section_0  et_pb_css_mix_blend_mode et_section_regular et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_0  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_1_5 et_pb_column et_pb_column_0  et_pb_css_mix_blend_mode et_block_column et_pb_column_empty\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_3_5 et_pb_column et_pb_column_1  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p>Mae newid hinsawdd yn un o'r heriau amgylcheddol mwyaf sy'n wynebu bywyd gwyllt a physgodfeydd afonydd Cymru. Mae angen symud tuag at ynni carbon isel ac rydym yn cefnogi\u2019r symudiad tuag at ynni adnewyddadwy. Gallai cynhyrchu trydan o lif afonydd ac ynni\u2019r llanw gyfrannu at ddyfodol ynni gl\u00e2n. Fodd bynnag, rhaid i gynhyrchu ynni ystyried yr effaith leol ar yr amgylchedd. Rydym o blaid strategaethau a fydd yn lleihau'r defnydd presennol o ynni, yn datblygu technolegau newydd ar gyfer ynni ac yn gwella effeithlonrwydd ynni. Mae\u2019n amlwg bod nifer o bleidiau gwleidyddol yng Nghymru wedi cynnwys ystyriaeth o forlynnoedd llanw yn eu maniffestos.<\/p>\n<p><\/p>\n<p>Rhaid sicrhau bod unrhyw ystyriaeth o ddatblygu ynni morlynnoedd llanw yn cydnabod pwysigrwydd yr amgylchedd lle y gallai\u2019r cynlluniau gael eu cyflwyno. Yn ddiweddar, ystyriwyd morlynnoedd llanw ym Mae Abertawe, Aber Afon Hafren a Bae Caerdydd. Ar hyn o bryd mae cynnig dan ystyriaeth ar gyfer Afon Dyfrdwy. Mae'r holl safleoedd hyn yn ardaloedd o bwysigrwydd rhyngwladol, wedi'u dynodi ar gyfer cynefinoedd a rhywogaethau\u00a0 sy\u2019 cael eu diogelu gan gyfraith Ewrop. Hyd yn hyn, nid oes unrhyw gynllun a gyflwynwyd wedi llwyddo i ddatrys y difrod\u00a0 anadferadwy i'r pysgod, yr adar a'r cynefinoedd sy'n gysylltiedig \u00e2 thechnoleg morglawdd gyfredol.<\/p>\n<p><\/p>\n<p><strong>Ein prif bryder fyddai:<\/strong><\/p>\n<p><\/p>\n<ul>\n<li>Y posibilrwydd o darfu ar lifoedd a allai arwain at newid yn y patrymau llif naturiol yn yr afonydd sy'n llifo i ddatblygiad forlyn llanw ac unrhyw effeithiau dilynol y gallai\u2019r patrymau llif newidiol hynny eu cael ar bysgod mudol .<\/li>\n<\/ul>\n<p><\/p>\n<ul>\n<li>Effaith uniongyrchol heb ei datrys technoleg tyrbin ar rywogaethau pysgod, er enghraifft, trwy s?n, dirgryniad, patrymau llif a niwed uniongyrchol trwy'r tyrbin (trawma difrifol)<\/li>\n<\/ul>\n<p><\/p>\n<p>Byddem yn dadlau na ddylai unrhyw ddatblygiad beryglu'r gofynion o dan y Rheoliadau Cynefinoedd a Fframwaith Strategaeth Forol Ewrop. Mae Afonydd Cymru yn cefnogi\u2019n weithredol ymchwil a fyddai'n gymorth mynd i'r afael \u00e2'r pryderon hyn a'r bylchau mewn gwybodaeth. Byddwn yn ystyried pob cynnig newydd ond dim ond os gall cynlluniau ddangos atebion i'r pryderon a amlinellwyd uchod, y byddwn yn cynnig cefnogaeth.<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_5 et_pb_column et_pb_column_2  et_pb_css_mix_blend_mode et-last-child et_block_column et_pb_column_empty\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mae newid hinsawdd yn un o&#8217;r heriau amgylcheddol mwyaf sy&#8217;n wynebu bywyd gwyllt a physgodfeydd afonydd Cymru&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[60],"tags":[],"class_list":["post-8895","post","type-post","status-publish","format-standard","hentry","category-datganiadau-sefyllfa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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