{"id":4527,"date":"2020-01-16T07:59:07","date_gmt":"2020-01-16T05:59:07","guid":{"rendered":"http:\/\/hatarok-nelkul.com\/ro\/?p=4527"},"modified":"2020-01-16T08:13:16","modified_gmt":"2020-01-16T06:13:16","slug":"lacul-sfana-ana-este-suprapopulat-cu-caras-argintiu","status":"publish","type":"post","link":"https:\/\/hatarok-nelkul.com\/ro\/?p=4527","title":{"rendered":"Lacul Sf\u00e2nta Ana este suprapopulat cu caras argintiu"},"content":{"rendered":"<p><a href=\"https:\/\/hatarok-nelkul.com\/ro\/wp-content\/uploads\/2020\/01\/szent-anna.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-thumbnail wp-image-4528\" src=\"https:\/\/hatarok-nelkul.com\/ro\/wp-content\/uploads\/2020\/01\/szent-anna-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a>Lacul Sf\u00e2nta Ana trebuie cur\u0103\u0163at de caras argintiu, deoarece aceast\u0103 specie invaziv\u0103 de pe\u015fte a cauzat r\u0103sp\u00e2ndirea algelor \u00een apa lacului, sus\u0163in speciali\u015ftii.<\/p>\n<p>Despre planurile de \u00eembun\u0103t\u0103\u0163ire a calit\u0103\u0163ii apei din Lacul Sf\u00e2nta Ana ziarul clujean de limb\u0103 maghiar\u0103 \u201cKr\u00f3nika\u201d a publicat un material \u00een edi\u0163ia sa de miercuri.<\/p>\n<p>Potrivit cercet\u0103torilor, \u00een ultimii zece ani, calitatea apei a lacului format \u00een craterul unui vulcan s-a deteriorat at\u00e2t de mult, \u00eenc\u00e2t exist\u0103 serioase motive de \u00eengrijorare. Fiind vorba de un lac vulcanic, nu exist\u0103 posibilitatea regener\u0103rii apei. Algele s-au r\u0103sp\u00e2ndit mult prea mult: a ap\u0103rut a\u015fa-numita \u00eenflorire a algelor, \u015fi s-a modificat \u015fi compozi\u0163ia speciilor de alge.<\/p>\n<p>Cercet\u0103torii sus\u0163in c\u0103 schimb\u0103rile sunt cauzate de doi factori. Pe de-o parte, \u00een ultimul deceniu, con\u0163inutul de azot \u015fi fosfor al lacului a crescut semnificativ, \u00een principal din cauza sc\u0103ldatului f\u0103cute \u00een lac de turi\u015fti. Pe de alt\u0103 parte, a ap\u0103rut carasul argintiu (Carassius auratus gibelio) \u2013 introdus, probabil, \u00een mod voit \u2013, care s-a \u00eenmul\u0163it prea mult. \u00cen locul unde \u00ee\u015fi face apari\u0163ia aceast\u0103 specie invaziv\u0103 de pe\u015fte, echilibrul ecologic este perturbat, deoarece carasul argintiu consum\u0103 zooplanctonul care se hr\u0103ne\u015fte cu alge.<\/p>\n<p>\u201cDac\u0103 \u00eendep\u0103rt\u0103m ace\u015fti pe\u015fti sau reducem drastic num\u0103rul lor, exist\u0103 \u015fanse ca zooplanctonul s\u0103 se refac\u0103 \u00een mod natural \u015fi s\u0103 \u00eenceap\u0103 s\u0103 consume algele\u201d, a spus biologul Istv\u00e1n Imecs, potrivit c\u0103ruia \u00een acest lac vulcanic nu ar trebuie s\u0103 exist\u0103 nicio specie de pe\u015fte.<\/p>\n<p>\u00cen opinia lui Istv\u00e1n M\u00e1th\u00e9, conferen\u0163iar al Catedrei de Bioinginerie de la Universitatea Sapientia, algele verzi au ap\u0103rut \u00een ap\u0103 \u00een urm\u0103 cu trei ani,\u00a0 iar ast\u0103zi domin\u0103 lacul \u00een locul algelor brune de dinainte. Algele verzi se r\u0103sp\u00e2ndesc deja dup\u0103 topirea z\u0103pezii, iar \u00een urma prezen\u0163ei acestora, apa anterior albastr\u0103 a lacului Sf\u00e2nta Ana a devenit verde.<\/p>\n<p>Sc\u0103ldatul \u00een apa Lacului Sf\u00e2nta Ana este interzis din vara anului 2018, m\u0103sura fiind necesar\u0103 pentru protejarea calit\u0103\u0163ii apei. M\u0103sura a fost inclus\u0103 \u00een planul pe care administratorul ariei protejate Natura 2000, Ecos Club SRL l-a transmis Ministerului Mediului. M\u0103sura a intrat \u00een vigoare odat\u0103 cu aprobarea de c\u0103tre minister \u015fi publicarea acesteia \u00een Monitorul Oficial, \u00een decembrie 2017.<\/p>\n<p>Sursa: MTI<\/p>\n<p>Traducerea: P\u00e9terfy T\u00fcnde<\/p>\n<p>Foto: hir.ma<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lacul Sf\u00e2nta Ana trebuie cur\u0103\u0163at de caras argintiu, deoarece aceast\u0103 specie invaziv\u0103 de pe\u015fte a cauzat r\u0103sp\u00e2ndirea algelor \u00een apa lacului, sus\u0163in speciali\u015ftii. <\/p>\n","protected":false},"author":1,"featured_media":4528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[496],"tags":[2108,2107,2109,37,2104,2105,2110,36,2106],"class_list":["post-4527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mediu","tag-calitatea-apei","tag-caras-argintiu","tag-deteriorata","tag-hatarok-nelkul-com","tag-lacul-sf","tag-lacul-sfanta-ana","tag-masuri-urgente","tag-stiri-fara-frontiere","tag-suprapopulat"],"_links":{"self":[{"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/posts\/4527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4527"}],"version-history":[{"count":4,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/posts\/4527\/revisions"}],"predecessor-version":[{"id":4532,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/posts\/4527\/revisions\/4532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=\/wp\/v2\/media\/4528"}],"wp:attachment":[{"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hatarok-nelkul.com\/ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}