{"id":360,"date":"2020-11-17T12:10:50","date_gmt":"2020-11-17T10:10:50","guid":{"rendered":"http:\/\/localhost:8080\/?p=360"},"modified":"2025-12-17T11:04:10","modified_gmt":"2025-12-17T09:04:10","slug":"saukas-ezera-atrod-peldosa-ezerrieksta-fosilo-formu","status":"publish","type":"post","link":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/saukas-ezera-atrod-peldosa-ezerrieksta-fosilo-formu\/","title":{"rendered":"Saukas ezer\u0101 atrod peldo\u0161\u0101 ezerrieksta fosilo formu"},"content":{"rendered":"
\n\tPeldošais ezerrieksts ir terci\u0101ra perioda floras p\u0101rst\u0101vis un l\u012bdz ar to relikta augu suga Latvij\u0101, kura ir iek\u013cauta Latvijas Sarkan\u0101s gr\u0101matas 1.kategorij\u0101, k\u0101 ar\u012b Ministru kabineta noteikumu Nr. 396 “Noteikumi par \u012bpaši aizsarg\u0101jamo sugu un ierobe\u017eoti izmantojamo \u012bpaši aizsarg\u0101jamo sugu sarakstu” 1. pielikum\u0101 “\u012apaši aizsarg\u0101jamo sugu saraksts”. Ezerrieksta izplat\u012bbas are\u0101ls aptver Vidus un Austrumu Eiropu, Vidusj\u016bras zemes, Dienvidu un Austrumu \u0100ziju. Zieme\u013camerik\u0101 un Austr\u0101lij\u0101 tas ievests un dab\u012bgu augte\u0146u tur nav. Latvij\u0101 ezerrieksts sastopams uz t\u0101 izplat\u012bbas are\u0101la zieme\u013cu robe\u017eas. Augs sastopams \u016bde\u0146os, kas nabadz\u012bgi ar kalcija karbon\u0101tiem, bet bag\u0101ti ar organiskaj\u0101m viel\u0101m.<\/div>\n
\n\t\"\"<\/div>\n
\n\t <\/div>\n
\n\tPeldošais ezerrieksts ir viengad\u012bgs ezerriekstu dzimtas \u016bdensaugs ar 1 – 2 m garu, lokanu stubl\u0101ju, ko ezera grunt\u012b notur iepriekš\u0113j\u0101 gada rieksts, no kura tas izaudzis. Stubl\u0101ja gal\u0101 virs \u016bdens izveidojas peldošu rombisku lapu rozete. Augs zied j\u016blij\u0101, august\u0101. Ziedi atveras r\u012btos tikai uz da\u017e\u0101m stund\u0101m un p\u0113c apputeksn\u0113šan\u0101s ieliecas \u016bden\u012b, kur ruden\u012b nogatavojas 2,5-4,5 cm plati un 2-3 cm augsti kaule\u0146veida rieksti ar 2 vai 4 asiem un atskabargainiem izaugumiem, kas ir p\u0101rkoksn\u0113jušies kausa zobi\u0146i. Ruden\u012b nogatavojušies aug\u013ci norais\u0101s no stubl\u0101ja, nogrimst un noenkurojas ezera d\u016b\u0146\u0101s. Ezerrieksta aug\u013ci d\u012bgtsp\u0113ju var saglab\u0101t l\u012bdz 10 gadiem, citviet literat\u016br\u0101 min\u0113ti pat 45 – 50 gadi.<\/div>\n
\n\t <\/div>\n
\n\tLatvij\u0101 p\u0113d\u0113jos 85 gados bija zin\u0101mas tikai tr\u012bs peldoš\u0101 ezerrieksta atradnes Klauc\u0101nu, Priekul\u0101nu un Pokratas ezeros (Andrušaitis, 2003) l\u012bdz 2017. gad\u0101 projekta „Eiropas Savien\u012bbas noz\u012bmes aizsarg\u0101jamo biotopu inventariz\u0101cija Latvij\u0101” jeb “Dabas skait\u012bšana” ietvaros peldošo ezerriekstu izdev\u0101s konstat\u0113t ar\u012b Banc\u0101nu ezer\u0101. T\u0101s ir Eirop\u0101 vist\u0101l\u0101k zieme\u013cos atrast\u0101s ezerrieksta augtenes. Past\u0101v uzskats, ka augs Banc\u0101nu ezer\u0101 p\u0113d\u0113jo 20 gadu laik\u0101 ieviesies no Priekul\u0101nu ezera, iesp\u0113jams, ar \u016bdensputnu pal\u012bdz\u012bbu (Suš\u0137o u.c., 2018).<\/div>\n
\n\t\"\"<\/div>\n
\n\tNogulumu paleobot\u0101nisko p\u0113t\u012bjumu dati liecina, ka ezerrieksts Latvijas teritorij\u0101 sekl\u0101s \u016bdenstilp\u0113s ir audzis gan pirms vair\u0101kiem t\u016bkstošiem gadu, gan ar\u012b t\u0101 makroatliekas un putekš\u0146i atrasti iepriekš\u0113jo starpledus laikmetu ezeru nogulumos (Kalnina et al. 2007). 20. gs. 40. gadu s\u0101kum\u0101 bija zin\u0101mas ezerrieksta fosilo aug\u013cu 10 atradnes, tad tagad to skaits kop\u0101 ar fosilo putekš\u0146u atradn\u0113m palielin\u0101jies l\u012bdz 27 (Kalni\u0146a u.c., 2018). Patlaban norit darbs pie Saukas ezer\u0101 atrasto ezerrieksta fosilo formu \u012bpat\u0146u vecuma noteikšanas.<\/div>\n
\n

\n\t\tLatvijas Univerit\u0101tes Biolo\u0123ijas instit\u016bta p\u0113t\u012bjumi Saukas eszer\u0101 notiek LIFE GOODWATER IP projekt\u0101, kura m\u0113r\u0137is ir uzlabot Latvijas riska \u016bdenobjektu kvalit\u0101ti. Projektu no 2020. l\u012bdz 2027. \u012bsteno devi\u0146padsmit organiz\u0101cijas Latvij\u0101 Latvijas Vides, \u0123eolo\u0123ijas un meteorolo\u0123ijas centra vad\u012bb\u0101.<\/p>\n

\n\t\tLIFE GoodWater IP ir viens no 10 liela m\u0113roga Eiropas Savien\u012bbas LIFE Programmas vides un klimata projektiem, kas kopš 2019. gada ir uzs\u0101kti 9 dal\u012bbvalst\u012bs (Kipr\u0101, Igaunij\u0101, Francij\u0101, Grie\u0137ij\u0101, \u012arij\u0101, Latvij\u0101, Slov\u0101kij\u0101, \u010cehij\u0101 un Sp\u0101nij\u0101), kopum\u0101 invest\u0113jot 101.2 miljonus eiro, lai Eiropas Savien\u012bbu padar\u012btu za\u013c\u0101ku un mazin\u0101tu t\u0101s ietekmi uz klimata p\u0101rmai\u0146\u0101m. LIFE programma ir Eiropas Savien\u012bba finanšu instruments vides un klimata jaut\u0101jumu risin\u0101šanai, kas darbojas kopš 1992. gada un ir l\u012bdzfinans\u0113jusi vair\u0101k k\u0101 5,400 projektus Eiropas Savien\u012bb\u0101. Programmas bud\u017eets 2014. – 2020. gadam ir 3.4 miljardi eiro.<\/p>\n

\n\t\tInform\u0101ciju sagatavoja: Linda Uzule, Latvijas Universit\u0101tes Biolo\u0123ijas instit\u016bta p\u0113tniece un Margarita Apine, LIFE GOODWATER IP Komunik\u0101cijas vad\u012bt\u0101ja, Pasaules Dabas Fonds<\/em><\/p>\n

\n\t\tPapildu inform\u0101cija:<\/em><\/p>\n

\n\t\tMargarita Apine| Life GOODWATER IP Komunik\u0101cijas vad\u012bt\u0101ja<\/em><\/p>\n

\n\t\tPasaules Dabas Fonds | Elizabetes iela 8 – 4, R\u012bga, LV – 1010<\/em><\/p>\n

\n\t\tMob: +371 26463899|www.pdf.lv<\/p>\n

\n\t\twww.goodwater.lv<\/p>\n<\/div>\n

\n\t <\/p>\n","protected":false},"excerpt":{"rendered":"

Latvijas Universit\u0101tes Biolo\u0123ijas instit\u016bta p\u0113tnieki novembr\u012b Saukas ezer\u0101 atrada vair\u0101kus peldo\u0161\u0101 ezerrieksta (Trapa natans) fosilo formu \u012bpat\u0146us. Peldo\u0161ais ezerrieksts Latvij\u0101 ir reta un apdraud\u0113ta suga. Latvij\u0101 p\u0113d\u0113jos 85 gados l\u012bdz \u0161im bija zin\u0101mas peldo\u0161\u0101 ezerrieksta atradnes tikai Klauc\u0101nu, Priekul\u0101nu, Pokratas un Banc\u0101nu ezer\u0101.<\/p>\n","protected":false},"author":0,"featured_media":1493,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/posts\/360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/comments?post=360"}],"version-history":[{"count":4,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/posts\/360\/revisions"}],"predecessor-version":[{"id":3485,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/posts\/360\/revisions\/3485"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/media\/1493"}],"wp:attachment":[{"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/media?parent=360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/categories?post=360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeplatforma-staging.needit.lv\/lv\/wp-json\/wp\/v2\/tags?post=360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}