{"id":2424,"date":"2013-03-25T17:10:06","date_gmt":"2013-03-25T15:10:06","guid":{"rendered":"http:\/\/wildtravel.ro\/bird\/rata-rosie-aythya-nyroca\/"},"modified":"2023-02-11T14:54:35","modified_gmt":"2023-02-11T12:54:35","slug":"rata-rosie-aythya-nyroca","status":"publish","type":"bird","link":"https:\/\/wildtravel.ro\/ro\/bird\/rata-rosie-aythya-nyroca\/","title":{"rendered":"Rata rosie (Aythya nyroca)"},"content":{"rendered":"<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><strong>Arealul de distribu<\/strong><strong>\u021b<\/strong><strong>ie:<\/strong> Rata rosie este de gasit pe un areal \u00eentins dar discontinuu, regiunea sudic\u0103 \u0219i vestic\u0103 a regiunii Palearctice. Limita nordic\u0103 a arealului coincide cu isoterma de 23<sup>o<\/sup>C a lunii iulie. Limita sudic\u0103 a arealului, \u00een mare parte coincide cu isoterma de 32<sup>o<\/sup>C a lunii iulie. Este localizat\u0103 din SV Europei p\u00e2n\u0103 \u00een Asia central\u0103.<\/p>\n<p style=\"text-align: justify;\"><strong>Distribu<\/strong><strong>\u021b<\/strong><strong>ia \u00een Rom\u00e2nia:<\/strong>&nbsp;Delta Dun\u0103rii, Insula Mic\u0103 a Br\u0103ilei \u0219i areale umede din interiorul \u021b\u0103rii (lacuri, iazuri mai \u00eentinse, rezervoare lacustre), unde exist\u0103 suprafe\u021be \u00eentinse de stuf, alternate de \u00eentinderi de ape. \u00cen general specia este mai prezent\u0103 \u00een SE \u0219i vestul \u021b\u0103rii. \u00cen 2009 n ROSPA0026&nbsp;cuib\u0103reau aproximativ 600 de perechi.<\/p>\n<p style=\"text-align: justify;\"><strong>Habitat:<\/strong>&nbsp;Iazuri \u0219i lacuri eutrofice, cu vegeta\u021bie acvatic\u0103 abundent\u0103 (inclusiv stuf) \u0219i \u00eentinderi largi de ap\u0103. Prefer\u0103 bazinele acvatice naturale, dar cuib\u0103re\u0219te \u0219i \u00een proximitatea iazurilor sau a lacurilor par\u021bial colmatate pe care s-a dezvoltat vegeta\u021bia. \u00cen ultimii ani au populat din ce \u00een ce mai mult iazurile piscicole abandonate din Delta Dun\u0103rii, care acum sunt invadate de vegeta\u021bia lacustr\u0103 plutitoare.<img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-17294 alignright\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-300x196.jpg\" alt=\"\" width=\"416\" height=\"272\" srcset=\"https:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-300x196.jpg 300w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-1024x668.jpg 1024w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-768x501.jpg 768w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-1536x1002.jpg 1536w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/000000-2048x1336.jpg 2048w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><img decoding=\"async\" class=\"alignleft\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/03\/mkk.jpg\" width=\"468\" height=\"316\"><\/p>\n<p style=\"text-align: justify;\"><strong>Biologia:<\/strong>&nbsp;Oaspe\u021bi de var\u0103 (lunile III \u2013 X). Rareori ierneaz\u0103 \u00een Rom\u00e2nia, fiind sensibile la temperaturile sc\u0103zute. Cuib\u0103re\u0219te relativ t\u00e2rziu (lunile V \u2013 VII). Unde sunt prezente \u0219i s\u0103lcii b\u0103tr\u00e2ne, cuiburile sunt localizate \u00een scorburi. O pont\u0103 complet\u0103 cuprinde \u00eentre 6 \u0219i 12 ou\u0103. Incubarea dureaz\u0103 26 \u2013 28 zile. Juvenilii \u00ee\u0219i urmeaz\u0103 p\u0103rin\u021bii la scurt timp dup\u0103 ce eclozeaz\u0103. Alimenta\u021bia ra\u021bei ro\u0219ii este \u00een principal de tip ierbivor.<\/p>\n<p style=\"text-align: justify;\"><strong>Factori limitativ:<\/strong>&nbsp;Factorii care au condus la regresul popula\u021biilor de ra\u021b\u0103 ro\u0219ie sunt: asanarea b\u0103l\u021bilor, degradarea habitatelor (prin accelerarea proceselor de eutrofizare, degradarea florei acvatice, colmatarea sau cre\u0219terea turbidit\u0103\u021bii apei). Aceste fenomene sunt \u00een general cauzate de dezvoltarea activit\u0103\u021bilor umane dezvoltate \u00een proximitatea arealului specific sau prin transformarea corpurilor de ap\u0103 naturale \u00een pesc\u0103rii (ceea ce presupune distrugerea stuf\u0103ri\u0219ului). Pentru c\u0103 ra\u021ba ro\u0219ie cuib\u0103re\u0219te a\u0219a t\u00e2rziu, c\u00e2nd sezonul de v\u00e2n\u0103toare \u00eencepe \u00een mod tradi\u021bional (15 august), o parte dintre p\u0103s\u0103rile tinere nu-\u0219i dezvolt\u0103 complet abilit\u0103\u021bile de zbor; deseori exemplarele de ra\u021b\u0103 ro\u0219ie sunt prinse \u00een plasele de pescuit \u0219i mor. Pr\u0103d\u0103torii se constituie \u00een general din carnivore mici invazive ( ex: nurca american\u0103). Este posibil ca aidoma altor \u021b\u0103ri (Slovenia, Austria, Ungaria), prin introducerea \u0219i cre\u0219terea speciilor de pe\u0219ti ierbivori, consum\u00e2nd masiv macrofite acvatice, s\u0103 rezulte efecte negative asupra speciilor de ra\u021b\u0103 ro\u0219ie (prin cre\u0219terea concuren\u021bei asupra aceluia\u0219i tip de hran\u0103).<\/p>\n<p style=\"text-align: justify;\"><strong>Protec<\/strong><strong>\u021b<\/strong><strong>ie:<\/strong>&nbsp;Ra\u021ba ro\u0219ie este protejat\u0103 de Legea 13\/1993 (Conven\u021bia de la Berna, Anexa III), Legea 13\/1998 (Conven\u021bia de la Bonn, Anexa II), Legea 89\/2000 (AEWA \u2013 Anexa II), Directiva P\u0103s\u0103ri, 79\/409\/EEC, OUG 57\/2007 privind regimul ariilor protejate, conservarea habitatelor naturale, florei, faunei \u0219i vie\u021bii s\u0103lbatice (Anexa 3), Legea 407\/2006 \u0219i 197\/2007 \u2013 Legea v\u00e2natului (Anexa 2 \u2013 V\u00e2natul este interzis). Studiul trendurilor actuale privind ra\u021ba ro\u0219ie, cunoa\u0219terea habitatului pe care aceasta \u00eel ocup\u0103 \u0219i eventual a celui \u00een care migreaz\u0103 \u0219i de asemenea a dietei preferate de aceasta \u00een compara\u021bie cu oferta de care dispune vor conduce c\u0103tre \u00een\u021belegerea necesit\u0103\u021bilor vitale ale acestei specii. Este necesar\u0103 \u00een\u0103sprirea strict\u0103 a regulamentului privind v\u00e2natul \u0219i de asemenea includerea regiunilor umede populate cu ra\u021b\u0103 ro\u0219ie \u00een arii cu regim de conservare special al speciilor avifaunistice.<\/p>\n<p style=\"text-align: justify;\"><strong>Statut IUCN: Aproape Amenin<\/strong><strong>\u021b<\/strong><strong>at\u0103<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Directiva p\u0103s\u0103ri : Specie prioritar\u0103<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>foto: Mihai Baciu<br \/>\n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arealul de distribu\u021bie: Rata rosie este de gasit pe un areal \u00eentins dar discontinuu, regiunea sudic\u0103 \u0219i vestic\u0103 a regiunii Palearctice. Limita nordic\u0103 a arealului coincide cu isoterma de 23oC a lunii iulie. Limita sudic\u0103 a arealului, \u00een mare parte coincide cu isoterma de 32oC a lunii iulie. Este localizat\u0103 din SV Europei p\u00e2n\u0103 \u00een [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":36246,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"birdwatching":[],"class_list":["post-2424","bird","type-bird","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rata rosie (Aythya nyroca) - wild travel in Delta Dunarii<\/title>\n<meta name=\"description\" content=\"Rata rosie este de gasit pe un areal \u00eentins dar discontinuu, regiunea sudic\u0103 \u0219i vestic\u0103 a regiunii Palearctice. 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