Mazuruftarku ba ta goyon bayan wannan tsarin bidiyo.
Rundunar sojojin ruwa ta Mexico ta ce jirgin ruwan dakon ruwa ya kife a kusa da birnin Manzanilla, jihar Colima ta Mexico, in ji kamfanin dillacin labarai na Associated Press.
Masunta na gida sun samu dutsen mai nisan mil goma a bakin rafin Punta de Cabos. Nan da nan suka kai rahoton binciken ga 'yan sanda. Masana ilimin halitta da masu ba da agaji daga mazauna yankin sun isa wurin.
Jirgin ruwan da ke kula da bakin tekun, motoci biyu da kuma wani rami, da kuma matukan jirgin sama da dari daga sansanin sojojin ruwan na Mexico da ke kusa, sun shiga aikin ceton. Ya ɗauki jirgin ruwa na kimanin kwana ɗaya don dawo da kifi mai nauyin tan shida zuwa asalin ƙasarsu.
A cewar masana, daga cikin dalilan da ke haifar da wanke kifayen kifayen, ana iya samun raguwar wadatar abinci, yaduwar kwayoyin cuta, tasirin yiwuwar dumamar duniya, gami da karuwa a cikin haihuwa da kuma karuwar yawan wadannan dabbobi.
Me zai iya zama dalilin wannan halayen waɗannan dabbobi masu shayarwa?
Akwai sigogin da yawa ko ƙasa da ma'ana akan wannan ci.
Shari’ar a Mekziko ba ita ce ta ware ba, babban bala'in kifi Whale ya afku a Australia, New Zealand, Brazil ...
Mafi shahararrun ka'idar suna da'awar cewa laifin sautin haɓakar jiragen ruwa. Whales suna da matukar damuwa da sautuna, kuma hayaniyar submarines yana saurarensu. Whale wanda ya rasa ji, tare da shi yana rasa damar yin iyo a cikin sararin da ke kewaye, wanda ya zama dalilin cewa ba wai kawai suna jefa kansu a bakin ba ne, har ma suna yin ta kuma. Amma wannan bai bayyana dalilin da yasa aka jefa kifi Whales a gabar teku ba a zamanin da.
Bayan nazarin gawawwakin dabbobin da suka mutu, masana kimiyya sun kuma ba da shawarar cewa cuta ta lalata tana tura su ga hakan. Wannan cuta ita ce sakamakon raguwa mai ƙarfi a cikin matsin lamba na waje. Baya ga kifayen kifayen, wannan cuta ta shafi bambanci da wakilan waɗancan sana'o'in da ke aiki a cikin kyamarorin ruwa.
Akwai nau'ikan da yawa na dalilin da yasa ake jefa kifayen kifi zuwa ƙasa: daga rashin lafiya zuwa gurɓatar muhalli.
Sakamakon tsawan karar, kifayen suna cikin firgita kuma sun tashi da sauri zuwa matsanancin saman teku. Sakamakon haka, matsin lamba na waje ya ragu sosai, wanda ya zama sanadin cutar cuta. Baya ga ƙananan jiragen ruwa, kifayen kifi suna iya firgita ta hanyar makamai masu linzami, sonan ,an, radars da echo sounders. A bangare guda, an tabbatar da wannan ka'ida ta gaskiyar cewa sau da yawa ana wanke kifayen a bakin yayin da ake amfani da jiragen ruwan, amma a daya bangaren, tsoffin Helenawa basu da wani abu kamar haka, amma har yanzu an watsar da kifayen kifayen.
Wani fasalin kuma shine sanadin kashe kansa cuta ce ta kwayar komputa, wanda, bisa ga zaton masana kimiyyar halittu, yana “sanyawa” a kwakwalwar wadannan dabbobi. Shine wanda ya basu damar jan ragamar kansu sosai yayin girman tekun duniya. Amma idan wata matsala ta geomagnetic ta taso a gaban kifi Whale, to wannan komfutar zai iya “karyewa”, a sakamakon wanda kifi Whale ya rasa daidaituwarsa kuma ana jifa dashi a bakin. Wannan bangare yana bayanin dalilin da yasa aka juya kifayen kifi.
Masana kimiyya a duniya suna fama da wannan matsalar, amma har ya zuwa yanzu ba su sami wata hanya ta kare kifi Whales daga mutuwa ba.
Na ukun da masanan kimiyyar Jafananci suka gabatar dashi. A cewarta, irin wadannan kashe-kashen abubuwa ne sakamakon yawaitar mutane kuma suna taka rawar gani na ƙididdigar yawan jama'a. Amma wannan ka'idar tana da mummunan koma baya. Na farkon su shine yawan waɗannan dabbobin a halin yanzu ƙanana ne kuma da wuya a rage shi. Minari na biyu shi ne cewa Japan ce ta jagoranci jagorancin kamun kifi Whales kuma, kamar yadda wasu masanan kimiyyar muhalli suka faɗi, wannan sigar an yi ta al'ada ce da nufin sake dawo da kifayen.
Na huɗu sigar mafi m, amma kuma ba ba tare da fitarwa. Gaskiyar ita ce kifayen kifi suna da ƙarancin ƙarfi don taimakon juna.
A kowane hali, koyaushe suna ƙoƙari su taimaki danginsu daga matsala.
Kuma idan wani memba na fakitin ba zato ba tsammani ya faru da za a aiwatar da shi a cikin ruwa mara zurfi, to sauran membobin fakitin, da suka ji matsalolin, suna neman taimakawa abokin aikinsu, amma a sakamakon su kansu bakin teku ne. Abin takaici, wannan sigar ba ta bayyana dalilin da yasa kifayen da aka harba cikin ruwa ba tare da karbar wata alama daga 'yan uwan wadanda suka mutu a bakin tekun ba, duk da haka, an sake jefa su zuwa gabar teku. Haka kuma, wannan gabar zata iya zama dubun ko ma daruruwan kilomita daga wurin mutuwar sauran membobin garken su.
Wataƙila mafi yawan juzu'in dalilai shine ɗauka cewa cutar ita ce zargi. Kwayoyin halitta da suka zauna a jikin wata dabba an yi imanin zasu iya lalata kwakwalwar sa da wasu gabobin da suke taka muhimmiyar rawa. Wannan na iya haifar da rikice-rikicen hankali na shugaba, sauran dabbobin kuma ana jefa su ne kawai a bayan sa. Gaskiya ne, kuma, ba a bayyane dalilin da yasa aka sake jefa su a wannan bangaren ba lokacin da jagoran ya mutu.
Bugu da kari, a cikin dabbobi da yawa, an maye gurbin jagoran kusan nan take kuma ba ya haifar da irin wannan wuce haddi.
Bayanin cewa dalilin gurbata Tekun Duniya ya shahara sosai. Haka ne, a gefe guda, polyethylene da kayan mai ana samun su sau da yawa a cikin sassan numfashi na whales da aka cire, amma a gefe guda, wasu kifi Whales suna da cikakkun sassan jikinsu. Haka kuma, galibi a wuraren da ruwan yake tsabtace. Wannan ya shafi radadi, wanda, a matsayin mai mulkin, ba a gano shi ba a cikin wadannan yankuna.
A ƙarshe, ana tunanin cewa dalilin ya dogara ne da canjin yanayi. Gaskiyar ita ce iskar Antarctic tana kawo ruwan sanyi tare da su. Whales, don ƙoƙarin yin ɗumi, sun fara iyo a cikin ruwa mai zurfi, inda suka mutu. Wataƙila wannan shine kawai sigar da ke bayanin gaskiyar yanayin ƙaddamar da kifayen kifaye a cikin lokutan da suka gabaci zamanin bala'in muhalli.
Duk yadda zaku iya, amma har yanzu babu wani amsar kimiyya da aka samu akan wannan tambayar kuma ya rage kawai don fata cewa amsar za ta samu a nan gaba.
Abin takaici, kifi Whales yana cikin dabbobi da ke fuskantar barazanar ƙarewa. Cutar da dabbobi ba tare da kulawa da su ba ya fara ne a karni na 20, wanda ya haifar, alal misali, ga kusan bacewar shuwagabannin shudiya, wanda rabin karni da suka wuce ya kama kimanin dubu biyar. Godiya ga matakan kariya, alƙawarinsu ya kusan ninki biyu, amma har ma wannan ba za a iya sakeshi ba, musamman idan aka ɗauki gaskiyar cewa kifayen suna haifarwa a hankali.