{"id":5638,"date":"2019-01-23T15:04:05","date_gmt":"2019-01-23T15:04:05","guid":{"rendered":"http:\/\/www.deganwyhistory.co.uk\/?page_id=5638"},"modified":"2019-01-24T14:01:37","modified_gmt":"2019-01-24T14:01:37","slug":"mussels-sewage-science-a-history-of-the-benarth-mussel-tanks","status":"publish","type":"page","link":"https:\/\/www.deganwyhistory.co.uk\/cy\/mussels-sewage-science-a-history-of-the-benarth-mussel-tanks\/","title":{"rendered":"Cregyn Gleision, Carthion a Gwyddoniaeth: Hanes Tanciau Cregyn Gleision Benarth"},"content":{"rendered":"<p><\/p>\n<p align=\"justify\"><span lang=\"cy-GB\">Daeth nifer fawr o aelodau ag ymwelwyr I Ysgoldy Capel Peniel nos Iau 17eg Ionawr I gyfarfod cyntaf y Gr\u0175p Hanes am eleni. Ein siaradwr gwadd oedd Stephen Lockwood a chawsom gyflwyniad diddorol iawn ganddo ar y testun cregyn gleision. Mae cregyn gleision Conwy yn fyd enwog, ond ychydig iawn o\u2019r gynulleidfa oedd yn gwybod llawer am y molwsg. <\/span><\/p>\n<p align=\"justify\"><span lang=\"cy-GB\">Biolegydd pysgodfeydd morol yw Stephen Lockwood a bu\u2019n gweithio ar ran, ag ochr yn ochr \u00e2, physgotwyr masnachol y DU. Yng nghanol yr 1980au, daeth yn gyfarwyddwr Labordy Pysgodfeydd Conwy hyd nes iddo gau ym 1999. R\u00f4l Labordy Conwy oedd gwneud gwaith ymchwil ar feithrin pysgod a physgod cregyn ag effeithiau pysgota ar yr amgylchedd morol. Testun ei sgwrs oedd pysgodfa a physgotwyr cregyn gleision Conwy a\u2019u cysylltiad \u00e2\u2019r labordy.<\/span><\/p>\n<div id=\"attachment_5639\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5639\" class=\"size-medium wp-image-5639\" src=\"http:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-300x169.jpg 300w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-1024x576.jpg 1024w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-768x432.jpg 768w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-1536x864.jpg 1536w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2019\/01\/ConwyMussels_2-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-5639\" class=\"wp-caption-text\">Mussels, Sewage &amp; Science<\/p><\/div>\n<p align=\"justify\"><span lang=\"cy-GB\">Yn y rhan gyntaf o\u2019i gyflwyniad, cyfeiriodd Stephen at gregyn gleision yn nhermau eu nodweddion a\u2019r gwahanol fathau ohonynt. Eglurodd yr angen i reoleiddio gwelyau\u2019r cregyn gleision a dangosodd, Gyda sleidiau, lleoliad gwelyau cregyn gleision Conwy a sut y cesglir y cregyn gleision. Mae\u2019n amlwg mai cribin arbennig o anarferol a ddefnyddir yn lleol i\u2019r pwrpas hwn a thynnodd sylw mai yng Nghonwy ac yn Long Island yn UDA yn unig a welodd hwn yn cael ei ddefnyddio. Cafwyd trafodaethau ar y problemau gellir eu hachosi trwy fwyta cregyn gleision. Bu cynnydd ym mhoblogaeth yr ardal yn y 19G ac ar ddechrau\u2019r 20G. Nid oedd carthion yn cael eu trin cyn iddynt gael eu harllwys i Afon Conwy gan achosi problemau coluddol i\u2019r rhai oedd yn bwyta\u2019r cregyn gleision.<\/span><\/p>\n<p align=\"justify\"><span lang=\"cy-GB\">Ym 1912, caewyd y bysgodfa gan yr awdurdodau iechyd. Blwyddyn yn ddiweddarach, penodwyd bacteriolegydd enwog, Robert Dodgson (dim yn berthynas I Charles \u201cLewis Carroll\u201d Dodgson) gan Gyngor Conwy. Ei waith oedd datrys y broblem. Cynlluniodd dull syml a dibynadwy i buro\u2019r cregyn gleision. Mabwysiadwyd y model ar draws y byd a chawsom weld ffilm yn dangos y bysgodfa a sut oedd y dull o buro yn gweithio. <\/span><\/p>\n<p align=\"justify\"><span lang=\"cy-GB\">Daeth y rhan olaf o\u2019r cyflwyniad a ni i\u2019r presennol wrth i Stephen dangos sleidiau o folysgiaid, chramenogion a physgod eraill. Roedd y rhain yn cynnwys wystrys, cregyn y brenin, cimychiaid, torbytiaid a lleden wadn. Bu labordy Conwy yn chwarae rhan flaenllaw wrth ddatblygu technegau ar gyfer cynhyrchiad masnachol y rhywogaethau hyn, technegau sy\u2019n cael eu defnyddio ledled y byd.<\/span><\/p>\n<p align=\"justify\"><strong><span lang=\"cy-GB\">Yn sicr, roedd hwn yn ddarlith ddiddorol iawn a hyrwyddwyd y cyflwyniad trwy bresenoldeb un o bysgotwyr cregyn gleision Afon Conwy yn y cyfarfod. Roedd Stephen yn siaradwr gwybodus a diddorol iawn a gwerthfawrogwyd ei sgwrs yn fawr iawn gan y gynulleidfa.<\/span><\/strong><\/p>\n<p align=\"right\"><span lang=\"cy-GB\">Addasiad o adroddiad Diane Williams <\/span><\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Daeth nifer fawr o aelodau ag ymwelwyr I Ysgoldy Capel Peniel nos Iau 17eg Ionawr I gyfarfod cyntaf y Gr\u0175p Hanes am eleni. Ein siaradwr gwadd oedd Stephen Lockwood a chawsom gyflwyniad diddorol iawn ganddo ar y testun cregyn gleision. Mae cregyn gleision Conwy yn fyd enwog, ond ychydig iawn o\u2019r gynulleidfa oedd yn gwybod [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-5638","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cregyn Gleision, Carthion a Gwyddoniaeth: Hanes Tanciau Cregyn Gleision Benarth - Deganwy History<\/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.deganwyhistory.co.uk\/cy\/mussels-sewage-science-a-history-of-the-benarth-mussel-tanks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cregyn Gleision, Carthion a Gwyddoniaeth: Hanes Tanciau Cregyn Gleision Benarth - Deganwy History\" \/>\n<meta property=\"og:description\" content=\"Daeth nifer fawr o aelodau ag ymwelwyr I Ysgoldy Capel Peniel nos Iau 17eg Ionawr I gyfarfod cyntaf y Gr\u0175p Hanes am eleni. Ein siaradwr gwadd oedd Stephen Lockwood a chawsom gyflwyniad diddorol iawn ganddo ar y testun cregyn gleision. 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