{"id":8798,"date":"2022-05-19T12:31:31","date_gmt":"2022-05-19T11:31:31","guid":{"rendered":"https:\/\/afonyddcymru.cambrianweb.dev\/afonau-cymru\/"},"modified":"2025-07-25T13:27:03","modified_gmt":"2025-07-25T12:27:03","slug":"afonydd-cymru","status":"publish","type":"page","link":"https:\/\/afonyddcymru.cambrianweb.dev\/cy\/afonydd-cymru\/","title":{"rendered":"Afonydd Cymru"},"content":{"rendered":"<p><div class=\"et_d4_element et_pb_section et_pb_section_0 gradient-overlay et_pb_section_parallax et_pb_with_background  et_pb_css_mix_blend_mode et_section_regular section_has_divider et_pb_bottom_divider et_block_section\" >\n\t\t\t\t\n\t\t\t\t<span class=\"et_parallax_bg_wrap et-pb-parallax-wrapper\"><span\n\t\t\t\t\t\tclass=\"et_parallax_bg et_parallax_bg--et_pb_section_0\"\n\t\t\t\t\t\tstyle=\"background-image: url(https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20220128_120841.jpg);\"\n\t\t\t\t\t><\/span><\/span>\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_hover_enabled  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_0  et_pb_css_mix_blend_mode et-last-child 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_post_title et_pb_post_title_0 et_hover_enabled et_pb_bg_layout_light  et_pb_text_align_left\"   >\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_pb_title_container\">\n\t\t\t\t\t<h1 class=\"entry-title\"><\/h1>\n\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t<\/div>\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<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_section et_pb_section_1  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_1  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_1_2 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><strong>Mae d?r yn rhan sylfaenol o dirwedd a threftadaeth naturiol Cymru.<\/strong><\/p>\n<p><\/p>\n<p>Mae ein nentydd a'n lleoedd (llyns) yn cynnig amrywiaeth o fioamrywiaeth, cynefin a rhywogaethau. Mewn llawer o achosion, mae hyn wedi arwain at eu penodau fel dynodiadau pwysig yn y DU a'r UE. Mae wyth afon wedi'u dosbarthu fel Ardaloedd Gwarchod Arbennig (SAC), fel y mae pedair llyn (llyn) a phedair aber.<\/p>\n<p><\/p>\n<p>Mae dau ar hugain o afonydd Cymru yn 'brif', wedi'u clasifio fel hyn ar gyfer adnabod a adrodd am bysgod. Mae hyn yn golygu y dylent gael rhedeg sylweddol o ddwrgi a, yn llawer o achosion, pysgod y mor hefyd (neu sewin fel y gelwir nhw yma).<\/p>\n<p><\/p>\n<p>Fodd bynnag, ni wnaeth unrhyw un o'r dyfarniadau hyn gyfiawnhau prydferthwch pur afonydd Cymru, nac yr ymdeimlad dwfn sydd gan bobl tuag atynt.<\/p>\n<p><\/p>\n<p>Mae eu gwerth fel cyflenwyr o wasanaethau a buddion i'r gymdeithas fel cyflenwad gl\u00e2n a digonol o ddwr yfed, p?er d?r, ac hyd yn oed gwaredu gwastraff (o fewn terfynau gweithredol) yn fawr. Yn ogystal, mae pysgota a thwristiaeth gysylltiedig yn dod ag ymwelwyr a chyflogaeth a refeniw sydd mawr ei angen i economi wledig Cymru, a estimir ei fod yn werth \u00a3150 miliwn y flwyddyn.<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_2 et_pb_column et_pb_column_2  et_pb_css_mix_blend_mode et-last-child 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_image et_pb_image_0\">\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<span class=\"et_pb_image_wrap \"><img loading=\"lazy\" decoding=\"async\" width=\"1689\" height=\"2048\" src=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20200929_114639-ed2-scaled.jpg\" alt=\"\" title=\"20200929_114639 ed2\" srcset=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20200929_114639-ed2-1689x2048.jpg 1689w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20200929_114639-ed2-1280x1552.jpg 1280w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20200929_114639-ed2-980x1188.jpg 980w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/20200929_114639-ed2-480x582.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1689px, 100vw\" class=\"wp-image-4420\" \/><\/span>\n\t\t\t<\/div>\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><div class=\"et_d4_element et_pb_section et_pb_section_2 et_hover_enabled  et_pb_css_mix_blend_mode et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider et_block_section\" >\n\t\t\t\t<div class=\"et_pb_top_inside_divider et-no-transition\"><\/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\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_2  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_3  et_pb_css_mix_blend_mode et-last-child 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_1  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\"><h2>Pwysau ar yr Afonydd<\/h2><\/div>\n\t\t\t<\/div>\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><div class=\"et_d4_element et_pb_row et_pb_row_3  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_1_3 et_pb_column et_pb_column_4  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_blurb et_pb_blurb_0 et_clickable  et_pb_text_align_left  et_pb_blurb_position_top et_block_module 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_blurb_content\">\n\t\t\t\t\t<div class=\"et_pb_main_blurb_image et_pb_css_mix_blend_mode\"><span class=\"et_pb_image_wrap et_pb_only_image_mode_wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1379\" height=\"1034\" src=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/land-management.jpg\" alt=\"\" srcset=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/land-management.jpg 1379w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/land-management-1280x960.jpg 1280w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/land-management-980x735.jpg 980w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/land-management-480x360.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1379px, 100vw\" class=\"et-waypoint et_pb_animation_top et_pb_animation_top_tablet et_pb_animation_top_phone wp-image-4596\" \/><\/span><\/div>\n\t\t\t\t\t<div class=\"et_pb_blurb_container\">\n\t\t\t\t\t\t<h4 class=\"et_pb_module_header\"><span>Rheoli Tir<\/span><\/h4>\n\t\t\t\t\t\t<div class=\"et_pb_blurb_description\"><p>Er bod gormod o silffoedd cemegol mewn d?r wedi lleihau'n sylweddol yn y blynyddoedd diwethaf, ni chafwyd y gwelliannau helaeth a ddisgwylid i ecoleg ein afonydd o gyflwyno'r Gyfarwyddeb Fframwaith D?r.<\/p><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_button_module_wrapper et_pb_button_0_wrapper  et_pb_module \">\n\t\t\t\t<a class=\"et_pb_button et_d4_element et_pb_button_0 et_pb_bg_layout_light et_block_module\" href=\"https:\/\/afonyddcymru.cambrianweb.dev\/cy\/amdanom-ni\/rheoli-tir\/\">Dysgwch mwy<\/a>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_3 et_pb_column et_pb_column_5  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_blurb et_pb_blurb_1 et_clickable  et_pb_text_align_left  et_pb_blurb_position_top et_block_module 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_blurb_content\">\n\t\t\t\t\t<div class=\"et_pb_main_blurb_image et_pb_css_mix_blend_mode\"><span class=\"et_pb_image_wrap et_pb_only_image_mode_wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1379\" height=\"1034\" src=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/human-impact.jpg\" alt=\"\" srcset=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/human-impact.jpg 1379w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/human-impact-1280x960.jpg 1280w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/human-impact-980x735.jpg 980w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/human-impact-480x360.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1379px, 100vw\" class=\"et-waypoint et_pb_animation_top et_pb_animation_top_tablet et_pb_animation_top_phone wp-image-4597\" \/><\/span><\/div>\n\t\t\t\t\t<div class=\"et_pb_blurb_container\">\n\t\t\t\t\t\t<h4 class=\"et_pb_module_header\"><span>Effaith Dynol<\/span><\/h4>\n\t\t\t\t\t\t<div class=\"et_pb_blurb_description\"><p>Mae Afonydd Cymru yn poeni am bob ffynhonnell o lanast sy'n effeithio ar ein harafonau yng Nghymru. Gall CSOs achosi llif helaeth o lanast a phrosesau microbaidd cynyddu yn bennaf ar \u00f4l cyfnodau o law mawr. Fodd bynnag, nid oes unrhyw dystiolaeth fanwl gyfredol y gall CSOs fod yn gyfrifol am ddirywiad eang yn y cyffredinol mewn ansawdd d?r yn afonydd cymreig ...<\/p><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_button_module_wrapper et_pb_button_1_wrapper  et_pb_module \">\n\t\t\t\t<a class=\"et_pb_button et_d4_element et_pb_button_1 et_pb_bg_layout_light et_block_module\" href=\"https:\/\/afonyddcymru.cambrianweb.dev\/cy\/gorlifoedd-storm-cyfun-csos\/\">Dysgwch mwy<\/a>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_3 et_pb_column et_pb_column_6  et_pb_css_mix_blend_mode et-last-child 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_blurb et_pb_blurb_2 et_clickable  et_pb_text_align_left  et_pb_blurb_position_top et_block_module 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_blurb_content\">\n\t\t\t\t\t<div class=\"et_pb_main_blurb_image et_pb_css_mix_blend_mode\"><span class=\"et_pb_image_wrap et_pb_only_image_mode_wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1379\" height=\"1034\" src=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/climate.jpg\" alt=\"\" srcset=\"https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/climate.jpg 1379w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/climate-1280x960.jpg 1280w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/climate-980x735.jpg 980w, https:\/\/afonyddcymru.cambrianweb.dev\/wp-content\/uploads\/2022\/05\/climate-480x360.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1379px, 100vw\" class=\"et-waypoint et_pb_animation_top et_pb_animation_top_tablet et_pb_animation_top_phone wp-image-4598\" \/><\/span><\/div>\n\t\t\t\t\t<div class=\"et_pb_blurb_container\">\n\t\t\t\t\t\t<h4 class=\"et_pb_module_header\"><span>Newid Hinsawdd<\/span><\/h4>\n\t\t\t\t\t\t<div class=\"et_pb_blurb_description\"><p>Ym 2019, cyhoeddodd Llywodraeth Cymru argyfwng newid yn yr hinsawdd ar gyfer Cymru. Ym 2021, cymerodd y Senedd gynnig ar gyfer llwybr i sero net carbon erbyn 2050. Fodd bynnag, mae'r rhagolygon newid yn yr hinsawdd mwyaf diweddar a gynhelir gan y Ganolfan Bioleg a D?r (CEH) yn rhagweld y bydd Cymru yn gweld erbyn 2050 dan senario canol ...<\/p><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_button_module_wrapper et_pb_button_2_wrapper  et_pb_module \">\n\t\t\t\t<a class=\"et_pb_button et_d4_element et_pb_button_2 et_pb_bg_layout_light et_block_module\" href=\"https:\/\/afonyddcymru.cambrianweb.dev\/cy\/amdanom-ni\/newid-hinsawdd\/\">Dysgwch mwy<\/a>\n\t\t\t<\/div>\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><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-8798","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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