Shafin yanar gizo

La Portada (Spanish: "The Gateway") wata hanya ce na halitta a bakin tekun Chile, 18 kilometres (11 mi) (11 arewacin Antofagasta. Yana daya daga cikin abubuwan tunawa goma sha biyar da aka haɗa tsakanin wuraren da aka kare na Chile. Akwai wani irin wannan amma karami tsari a garin Pucatrihue, Lardin Osorno. Bayyanawa Gidan Tarihi na La Portada ya rufe yanki na hekta 31.27 (77.27 acres), kuma siffofin geomorphological da sauran burbushin sun fito ne a cikin nau'in baka. Gidan La Portada yana da 43 m (140 ft) tsawo, 23 m (75 ft) fadi, da 70 m (230 ft) tsawon. Yana da tushe na dutse na baƙar fata, wanda aka shirya duwatsun ruwa, wani nau'i na dutse mai launin rawaya, da kuma yadudduka na sauran burbushin harsashi wanda ya dawo shekaru 35 zuwa 2 da suka gabata. Duk wannan an kafa shi ne a lokacin dogon tsari na rushewar ruwa. Ginin yana kewaye da tsaunuka na bakin teku waɗanda kuma lalacewar ruwa ta kafa. Sun kai matsakaicin tsawo na 52 m sama da matakin teku. A ranar 5 ga Oktoba 1990, an ayyana shi a matsayin abin tunawa na halitta a karkashin Babban Dokar # 51 na Ma'aikatar Aikin Gona, wanda aka buga a cikin Diario Oficial . Tsakanin shekara ta 2003 zuwa shekara ta 2008, an rufe abin tunawa saboda rushewar wani muhimmin bangare na tsaunuka, wanda ke buƙatar sake fasalin hanyar shiga da kewayenta. Tun daga shekara ta 2010, an haramta samun damar zuwa rairayin bakin teku don kare tsire-tsire da dabbobi. Dabbobi Abin tunawa na halitta ya zama wurin lura da tsuntsayen guano kamar su Peruvian booby (Sula variegata) da Inca terns (Larosterna inca), da kuma Guanay cormorants (Phalacrocorax bougainvillii), kelp gulls (Larus dominicanus), grey gulls (Larus modestus), Belcher's gulls (Larus belcheri), da pelicans. Wani lokaci mutum na iya lura da dabbobi masu shayarwa kamar su furen fata na Kudancin Amurka (Arctocephalus australis) ko Dolphin na yau da kullun (Delphinus delphis). Samun dama La Portada tana da nisan 18 kilometres (11 mi) (11 a arewacin Antofagasta, wanda za'a iya isa ta hanyar Hanyar 1 Antofagasta-Tocopilla, daga inda hanyar shiga ta rabu a kilomita 20. Ana samun abin tunawa a kusa da Filin jirgin saman Cerro Moreno da La Chimba National Reserve. Manazarta