FormationSayniska

IMB ee Badda Madow: Xaq ama Been?

Dadka qaar, gaar ahaan ka dib markii warar soo gabgabeeyo la weeraro shark ee jiga ee Masar, weydiiyay su'aasha ah: laakiin waa ammaan ah oo dabaasha iyo kuwo biyihii Badda Madow? Haddii heleen galayaan in Badda Madow, iyo haddii aad iyaga kula kulmi kartaa on soohdimaha ee Caucasus iyo Crimean?

Si aad si buuxda uga jawaabto su'aashan iyo inay ku Xasisho jiray cayn kasta oo dhib, aad u baahan tahay inaad dalxiiska ah, wallow uu kooban yahay, taariikhda dhicitaanka ee aagga biyaha, oo hadda loo yaqaan Badda Madow. 10 million. Years ka hor waxaa jiray balli weyn, taas oo culumadu magacaabay badda Sarmatskys. Tartiib tartiib Sea Sarmatian la koror buuraha waxaa loo kala qaybiyey dhowr ah harooyinka waaweyn, badaha, ka go'ay biyaha badaha:, Aral ku Caspian iyo Black. Tani ee la soo dhaafay, ay sabab u tahay tirada badan ee Wabiyadan socota u galay, waxaa la desalinated. Waqti ka, oo dhan dubato ee ku nool badda qadiimiga Black, baddii noqday biyo macaan. Laakiin 8 million Years. Hor waxaa uu ahaa ciidamada dhulgariir weyn abuuray badda xumeeyayna iyo Bosporus iyo Dardanelles iyo cadeeyo dilaa ah si markaas deggan Badda Madow. Mass oo biyo cusbo daadadku ka Mediterranean si Badda Madow. isbedel The ahaayeen si deg deg ah in dadka biyaha saafiga ah badda ee Badda Madow ma lahayn waqti uu kula qabsado iyaga. Tiro badan oo meydadka tiimbadeen ugu hooseysa, iyo geeddi-socodka ah ee kala daatay ee Badda Madow sameeyey gaar ah, oo aan la mid ah badda oo kale, asalkiisu ka soo jeedo lakabka hydrosulfide, oo ku yaalla 150 mitir hoos ku oogada biyaha.

Tani waxay daaha tayadda hydrogen ma cirkii noolaan karin badan ee Badda Madow. Hoos 150 m jiri karaan in bakteeriyada anaerobic sulfuric in hawlaha ay nolosha oo kaliya la kordhiyo boqolkiiba tayadda hydrogen mooyee. xaalad Tani - daaha khafiif waa hodan ku ah kalluunka, aad u adkeeyaan nolosha bahal weyn oo khatar ah sida, sida galayaan ee Badda Madow. Laakiin hydrogen tayadda - ma hal cunsur oo keli ah in blocks Jidka IMB. Tiro badan oo wabiyo iyo cidhiidhi Bosporus sicad desalinate biyaha badda. Waxaa ugu Filan in aan idhaahdo, salinity ee Badda Madow waa kala badh in ka mid ah badda Mediterranean. Ka sokow, ay dusha biyo jiilaalka la qaboojiyey kartaa in + 9 P in laga helo qabow, laakiin ma biyo qabow galayaan Atlantic yihiin kuwo aad u raaxo. Haboonayn galayaan oo saldhig cunto xigeynka ee Badda Madow: bahal weyn oo door bidaan ugaadha waaweyn iyo Stein ku nool waxyaalaha moolka dheer oo biyo ah, halka Badda Madow waa hodan ku kalluun yaryar ah: kalluun, sprat, sardines, kaas oo ku nool layers dusha biyaha ah.

Haddii aynu ka fikirno in kasta oo shark iyo xagaaga zaplyvet ka Mediterranean si Badda Madow, waa lagama yaabo in ay ka fog Bosphoru heli doonaan sababtoo ah unsuitability biyaha iyo yaraanta cuntada. Weli galayaan ee Badda Madow yahay, iyo xitaa sida ugu badan laba nooc. Laakiin ha ka cabsi! Tani shark dogfish spiny, sidoo kale loo yaqaan shark eey sababta oo ah isku mid ah oo xakame ah, iyo galayaan bisad. Labadan nooc ee feed, iyo sidoo kale ku hoonbarrooyinka Badda Madow, kalluun yaryar ah, dhaqaaqin in adhi yar. Waxba ma cunaan dadka, inkastoo afkooda mar kale, sida hoonbarrooyinka, waxaa ka buuxa ilkaha. Laakiin dad diyaar u yihiin in ay cunaan, kuwaas galayaan yar: bisteeki katrana tixgeliyo taxadir weyn ee Crimean ah, oo ka katrana sturgeon qiimeeyo si la mid ah sida sturgeon sturgeon sida kalluunka this ayaa ku dhowaad ma lafaha, iyo hilibka leedahay dhadhan fiican.

Si kastaba ha ahaatee, si cad u diido khatar shark in Badda Madow weli waa u qalantaa ma: in katrana on fin leeyahay kororka af badan, kaas oo keena xanuun iyo keeni kartaa barar nabrihii. Inkasta oo aanay ku waani inay katranov iyo galayaan cat mararka dabaalan biyo-gacmeed, iyo waxay ku iman kartaa. Haddii ay sidaa tahay kalluunka argagax kartaa birtiina iyo ilkaha. Laakiin haddii ay taasi waxaa laga soo qoray hal mar oo keliya oo dhan sano oo galku (1970 on xeebta Yevpatoria). The xayawaanka ugu khatarta badan aadanaha ee Badda Madow - waa shark ah iyo stingrays, stingray ma. dhabarkooda waxay leeyihiin Sabuul ma aha mid fudud, oo sun ah. Qayb ka mid ah mariidka durayaa ma aha sun ah si aadanuhu, laakiin si dhab ah qaribi kara inuu fasax, sida bararto addinka qaniinyada ah. Waxaa jira xaalado dhimasho (in kastoo aan in Badda Madow) oo ka garaacid kororka ee xubnaha muhiimka ah. Laakiin, guud ahaan, Black Sea waxaa loo arkaa ugu badbaado badan marka la barbardhigo kuwa kale.

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