Mapiri a bengal

malo a bengal

Lero tikupita kunyanja ya Indian, makamaka kumpoto chakum'mawa. Nayi fayilo ya malo a bengal, wotchedwanso Bay of Bengal. Mawonekedwe ake amafanana ndi kansalu kapangidwe kake ndipo kali m'malire kumpoto ndi boma la West Bengal komanso ngati Bangladesh, kumwera ndi Chilumba cha Sri Lanka ndi gawo lachi India la Zilumba za Andaman ndi Nicobara, kum'mawa ndi Malay Peninsula ndi kumadzulo ndi Indian subcontinent. Ndi phompho lokhala ndi mbiri yapadera yomwe imapangitsa kukhala kosangalatsa.

Chifukwa chake, m'nkhaniyi tikukuwuzani zamakhalidwe ndi mbiri ya Gulf of Bengal.

Makhalidwe apamwamba

Makhalidwe a phompho la bengal

Ili ndi malo okwana pafupifupi 2 miliyoni ma kilomita. Ndikofunika kudziwa kuti mitsinje yambiri imayenda kuchokera kuphompho ili lokulirapo. Pakati pa mitsinje iyi, Mtsinje wa Ganges unadziwika ngati mtsinje waukulu wopatulika waku India. Komanso ndi umodzi mwamitsinje ikuluikulu ku Asia. Mitsinje ina yomwe imadutsira kuphompho ili ndi mtsinje wa Brahmaputra wotchedwa Tsangpo-Brahmaputra. Mitsinje yonse iwiriyi idadzaza matope ambiri ndikupangitsa kuti mphepo yayikulu kwambiri ipangidwe m'dera la phompho.

Dera lonse la Bay of Bengal limagwidwa ndi mvula nthawi yozizira kapena yotentha. Mphamvu ya chodabwitsayi imayambitsa kuti pakhoza kukhala mvula zamkuntho, mafunde amkuntho, mphepo zamphamvu komanso mphepo zamkuntho m'nyengo yophukira. Palinso zochitika zina zachilengedwe zomwe zimachitika chifukwa chakusintha kwanyengo m'madzi ake. Popeza malo ake, madzi a Bay of Bengal amakhala ndi maulendo angapo apamadzi. Izi zimapangitsa kukhala njira yofunika kwambiri yamalonda yokhala ndi chidwi chachikulu pazachuma.

Sikuti imangokhala ndi chidwi chachuma pochita zochitika zam'madzi monga kusodza, komanso ili ndi mitundu yosiyanasiyana yazachilengedwe. Zomwe zimayendetsedwa ndi mitsinje ndizomwe zimapangitsa kuti michere ya phytoplankton ndi zooplankton idye. M'mphepete mwa Gulf of Bengal timapeza madoko ofunikira achilengedwe monga Calcutta, iyi ndiyo yofunikira kwambiri pokhala ndi gawo lazamalonda komanso lazachuma.

Chakudya, mankhwala, zinthu zamagetsi, nsalu ndi mayendedwe amapangidwa m'mbali mwa gombe ili. Zochitika zonsezi zikuwonjezera kufunika kwachuma kuderali. Ndikhala zomwe tikuwona m'mbiri titha kuwona kuti malowa adaphulitsidwa bomba ndi achi Japan nthawi ya Nkhondo Yachiwiri Yapadziko Lonse pa zomwe zimawonedwa ngati mbiri yakale.

Mbiri ya Gulf of Bengal

andaman ndi zilumba za nicobar

Monga tanena kale, phompho ili ndi mbiri yapadera yomwe imapangitsa kukhala kosangalatsa. Mayikowa adalandidwa ndi Apwitikizi poyamba. Umodzi mwa malo okhala anali Santo Tomé de Meliapor, lero lasandulika nyumba yogona ya Madras ku India. Mu 1522 Apwitikizi adamanga tchalitchi ndipo patapita zaka anali atamanga kale tawuni yaying'ono pamalowo. Malinga ndi miyezo ya nthawiyo, m'zaka za zana la XNUMX São Tomé anali mzinda, ngakhale palibe kukayikira kuti azungu adagwira nawo gawo lofunikira pakukula kwa mbiri ya dera lino.

Adali opitiliza kwambiri zochitika zikhalidwe zam'mbuyomu kuposa oyambitsa chitukuko chatsopano. Masiku ano, akatswiri omwe amaphunzira za chiyambi ndi mbiri ya dera lonseli amakhulupirira izi chikoka m'dera lino loyanjana koyambirira ndi azungu chidakwezedwa. Kafukufuku wambiri wasonyeza kuti kuchuluka kwa amalonda aku Asia omwe amatumiza ndikutumiza kunja mabatire kuchokera ku Gulf of Bengal anali okwera kuposa aku Europe. Zina mwa zinthu zogulitsa kwambiri tili ndi silika ndi nsalu zina.

Anthu ku Bay of Bengal

Andamanese

Pali chinsinsi chomwe chimalumikiza Bay of Bengal ndi fuko lomwe lachepetsa kwambiri anthu ake. Ochepa otsala koma osati chifukwa chakuti atha koma chifukwa ambiri mwa iwo adakonzedwanso ndi anthu oyandikana nawo. Ndizokhudza a Andamanese omwe amakhalabe angwiro ndipo ndi chuma cha sayansi. Ndiwo Aborigine okhala kuzilumba za Andaman ndi Nicobar ku Bay of Bengal. Tsopano pali 500-600 okha omwe amasunga chikhalidwe chawo chonse ndipo ndi okhawo makumi asanu okha omwe amalankhula chilankhulo cha makolo awo.

Anthu awa omwe ali amoyo akukhalabe m'bokosi ndi zosonkhanitsira monga zidachitikira ndi munthu wakale, akupitilizabe kusaka nsomba ndi uta ndi muvi m'mabwato awo ndipo amadziwa luso loumba mbiya ndi chitsulo. Chilankhulo chawo chilibe manambala kotero amayenera kugwiritsa ntchito mawu awiri omwe akuwonetsa manambala: chimodzi ndi kupitilira chimodzi. Onse ndi ofupika msinkhu komanso akuda khungu kuposa amwenye oyandikana nawo.

Chinsinsi cha a Andamanese chakhala chikukulira koma kutaya nthawi yomweyo. Pali kafukufuku wamkulu wama genomic omwe adayang'ana kwambiri pakuphunzira zidutswa za Neanderthal DNA muma genome awo. Aulula zikwangwani zamtanda wakale wokhala ndi anthu ena akale komanso osadziwika. Zonsezi ndizovuta zina zatsopano zomwe zimapangitsa anthuwa kuphunzira. Kafukufukuyu amafotokoza mafunso ena okhudza anthu ofunikira kwambiriwa. Ndipo ndikuti ndiosiyana kwambiri ndi anthu ena aku South Asia popeza kafukufuku angapo adatsimikiza kuti anthu ofupikirako komanso amdima ndiwo adasamukira kunja kwa Asia. Africa ndiyosiyana komanso yodziyimira payokha kuposa yomwe idapangidwa ndi dziko lonse lapansi zaka zopitilira 50.000 zapitazo.

Maphunziro a anthu

Pambuyo pake m'maphunziro ena akuwonetsa kuti sizili choncho. Mtunduwo ndi wofanana ndi tonsefe pomwe tidachoka ku Africa kupita kudziko lonse lapansi. Amalongosolanso kuti msinkhu wake wamfupi ndi chipatso cha a ntchito yayikulu yosankha zachilengedwe monga zidachitikira ndi mitundu ina yazilumba. M'zinthu zachilengedwe zokhala ndi mitengo yambiri sizikhala bwino kukhala zazitali kwambiri chifukwa zimakhala zovuta kwambiri ndipo pamapeto pake zimakumana ndi zovuta zogundana ndi nthambi.

Ndikukhulupirira kuti ndi chidziwitsochi mutha kuphunzira zambiri za Bay of Bengal ndi mawonekedwe ake.


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