{"id":3729,"date":"2015-01-05T21:38:14","date_gmt":"2015-01-05T21:38:14","guid":{"rendered":"http:\/\/www.internatura.org\/blog\/?p=3729"},"modified":"2015-04-06T21:53:31","modified_gmt":"2015-04-06T21:53:31","slug":"baldriga-balear-en-port-de-boriana-5012015","status":"publish","type":"post","link":"https:\/\/internatura.org\/blog\/?p=3729","title":{"rendered":"Baldriga balear en el Port de Borriana. 5\/01\/2015"},"content":{"rendered":"
\"Pardelas-kk-5-01-15-Borrian\"<\/a>

Port de Borriana<\/p><\/div>\n

\"Pardelas-5-01-15-Borriana-I\"<\/a>La<\/span> baldriga<\/span> balear<\/span>\u00a0(Puffinus mauretanicu<\/em>s<\/a>)\u00a0sol veure<\/span> passant<\/span> per<\/span> delande<\/span> del port<\/span> de Borriana<\/span> a gran<\/span> dist\u00e0ncia de la<\/span> costa, nom\u00e9s<\/span> quan<\/span> es<\/span> produeix<\/span> l’entrada de<\/span> les<\/span>\u00a0vaixells\u00a0de pesca,<\/span> \u00e9s<\/span> una oportunitat<\/span> \u00fanica per poder<\/span> observar-les a<\/span> escassa<\/span> dist\u00e0ncia<\/span> i poder<\/span> distingir les<\/span> diferents<\/span> esp\u00e8cies<\/span> que habiten<\/span> en<\/span> la Mediterr\u00e0nia<\/span> i<\/span> passen<\/span> per aquesta zona<\/span>.<\/p>\n

Durant<\/span> els mesos<\/span> d’hivern \u00e9s<\/span> quan la<\/span> poblaci\u00f3<\/span> de baldrigues<\/span> aquesta<\/span> en migraci\u00f3<\/span> i<\/span> s\u00f3n<\/span> en nombre<\/span> important<\/span> les<\/span> que van darrere<\/span> dels<\/span> vaixells<\/span> esperant que<\/span> aquests<\/span> tirin<\/span> les restes<\/span> de<\/span> peix<\/span>\u00a0que<\/span> no<\/span> s\u00f3n<\/span> comercialment<\/span> rendibles<\/span> per al pescador<\/span>.\u00a0\"Pardelas-i-5-01-15-Borriana\"<\/a><\/p>\n

Membres del<\/span> GER<\/span>–<\/span>EA realitzen diversos<\/span> controls<\/span> mensuals<\/span> per comptabilitzar<\/span> i<\/span> detectar les<\/span> esp\u00e8cies<\/span> d’aus<\/span> marines<\/span> en aquest<\/span> punt<\/span>. El<\/span> passat<\/span> dia<\/span> 5 gener 2015<\/span> va ser un dels<\/span> dies amb m\u00e9s<\/span> nombre<\/span> d’aus<\/span> localitzades<\/span> darrere dels<\/span> vaixells<\/span> a la seva entrada<\/span> al port<\/span>.<\/p>\n

\"Pardelas-k-5-01-15-Borriana\"<\/a>Destacant<\/span> la gran concentraci\u00f3 de<\/span> baldriga<\/span> balear<\/span> comptabilitzant<\/span> entre<\/span> 500<\/span> i<\/span> 800<\/span> ex<\/span>., entre centenars<\/span> de gavines<\/span> especialment<\/span> gavines<\/span> vulgars<\/span>, capnegres<\/span>, gavinot argentat mediterrani, gavinot\u00a0fosc\u00a0i<\/span> xatracs<\/span> bec-llargs<\/span>.<\/p>\n

Al<\/span> mateix<\/span> temps<\/span> podem<\/span> gaudir<\/span> de la pres\u00e8ncia<\/span> de<\/span> mascarells (Morus bassanus<\/a><\/em>)<\/span> que segueixen<\/span> als vaixells<\/span>, algun d’ells<\/span> arribar<\/span> a acostar<\/span> bastant,<\/span> cosa que<\/span> fora d’aquestes<\/span> entrades<\/span> \u00e9s<\/span> impossible<\/span> veure’ls<\/span> ja<\/span> que<\/span> es<\/span> desplacen i<\/span> pesquen<\/span> a gran<\/span> dist\u00e0ncia de la costa<\/span>.\u00a0\"Pardelas-j-5-01-15-Borriana\"<\/a><\/p>\n

\"Pardelas-b-5-01-15-Borriana\"<\/a><\/p>\n

Hi ha algunes<\/span> baldrigues<\/span> que en el seu<\/span> afany<\/span> d’aconseguir els<\/span> peixos que<\/span> tiren<\/span> des de els<\/span>\u00a0vaixells\u00a0de<\/span> pesca<\/span> arriben<\/span> a entrar<\/span> al port<\/span> per sortir<\/span> r\u00e0pidament<\/span> cap a alta<\/span> mar<\/span>, s\u00f3n<\/span> poques les<\/span> que<\/span> s’atreveixen<\/span> a entrar<\/span> sent el m\u00e9s<\/span> normal que la<\/span> majoria<\/span> es<\/span> parin<\/span> a<\/span> una dist\u00e0ncia<\/span> important<\/span> i<\/span> els<\/span> mascarells<\/span> encara<\/span> s’acosten<\/span> menys que<\/span> les<\/span> baldrigues<\/span>. Els<\/span> dies<\/span> amb mal<\/span> temps<\/span> i<\/span> l’abund\u00e0ncia<\/span> d’aus<\/span> s\u00f3n els<\/span> dies<\/span> on els<\/span>\u00a0observacions\u00a0s\u00f3n m\u00e9s grans<\/span>.<\/p>\n

\"Pardelas-f-5-01-15-Borriana\"<\/a><\/p>\n

\"Pardelas-kl\u00f1-5-01-15-Borria\"<\/a><\/p>\n

\"Pardelas-c-5-02-2014-IMG_89\"<\/a><\/p>\n

\"Pardelas-e-5-01-15-Borriana\"<\/a>\"Pardelas-d-5-01-15-Borriana\"<\/a>\"Alcatraz-13-01-2015-MG_9020\"<\/a><\/span><\/p>\n

La<\/span> baldriga<\/span> m\u00e9s<\/span> abundant \u00e9s<\/span> la balear<\/span> per\u00f2 podem<\/span> tenir<\/span> la sort<\/span> de localitzar<\/span> alguna<\/span> baldriga<\/span> mediterr\u00e0nia<\/span>\u00a0(Puffinus yelkouan<\/a><\/em>)\u00a0i<\/span> la baldriga<\/span> cendrosa (Calonectris diomedea<\/a><\/em>)<\/span>.\u00a0A causa de la<\/span> gran dist\u00e0ncia<\/span> de la costa que<\/span> es<\/span> desplacen,\u00a0<\/span>que<\/span> \u00e9s<\/span> dif\u00edcil<\/span> de<\/span> comparar<\/span> mides<\/span> entre aus<\/span>, la llum i contrastes, la varietat de colors de les baldrigues\u00a0<\/span>i quan ho<\/span> fan<\/span> en grup<\/span>, tamb\u00e8 amb<\/span> condicions<\/span> metodol\u00f2giques<\/span> amb<\/span> n\u00favols<\/span> i<\/span> vent<\/span> fort<\/span>, canvien<\/span> la forma<\/span> de<\/span>\u00a0volar<\/span>\u00a0relentizant<\/span>\u00a0els<\/span> moviments<\/span> i<\/span> la dist\u00e0ncia<\/span> a l’aigua<\/span>, dificulten<\/span>\u00a0la identificaci\u00f3<\/span> de<\/span> les<\/span> aus,\u00a0<\/span>les<\/span> difer\u00e8ncies<\/span> s\u00f3n<\/span> molt<\/span> dif\u00edcil<\/span> de distingir<\/span> si<\/span> no<\/span> ets un<\/span>\u00a0expert<\/span>. A grans<\/span> trets<\/span> a<\/span> puntamos<\/span> aqu\u00ed algunes<\/span> difer\u00e8ncies entre<\/span> aquestes esp\u00e8cies<\/span>:<\/p>\n

\"Pardelas-a-5-01-15-Borriana\"<\/a>Una\u00a0bona<\/span> publicaci\u00f3<\/span> per veure<\/span> la difer\u00e8ncia<\/span> entre<\/span> les<\/span> baldrigues<\/span> \u00e9s<\/span> \u00abLa pardela balear. Identificaci\u00f3n de las pardelas de la costa mediterr\u00e1nea<\/em><\/span>\u00bb de Ana RODRIGUEZ, Miguel MCMINN Y Joan MAYOL.\u00a0\u00a0Direcci\u00f3n General para la Biodiversidad. Ministerio de Medio Ambiente. 2005<\/p>\n

Unes altres<\/span>\u00a0publicaci\u00f3ns<\/span> interessants<\/span>\u00a0son:\u00a0<\/span><\/p>\n