Tambayar "me yasa sharks ke tsoron dolphins" bai yi daidai ba. Alaƙar waɗannan dabbobi a zahiri ta fi rikitarwa fiye da yadda ake gani da farko.
Shin sharks suna tsoron dolphins
Amsar kawai ita ce a'a, ba sa tsoro, amma dai, su kula sosai.... Rikice-rikice a tsakanin su ba safai ba ne, kamar yadda kifayen dolphin ke yawo da ruwa a cikin garken, da kuma kifayen kifin, wadanda suka san yadda za su kirga karfin su da kuma hango abin da zai biyo baya, su guji manyan tarukan kifayen dolphin. Shark na iya zama wanda aka azabtar da haƙun haƙuran haƙori (wanda ya haɗa da duk kifayen kifayen kifayen), kawai ta hanyar yin kuskure da kusantar garken, inda akwai manya da yawa.
Shin kifayen kifayen doki suna kai hari ga dolphins?
Kusan dukkan kifayen kifin 'yan koli ne, a wasu lokuta kamfanoni na tallafawa (a lokutan saduwar aure, hutu ko kuma wuraren yalwar abinci). An samo ragowar rabin dabbobin dolphin a cikin cikin shark. A ƙa'ida, mafi raunin membobin garken ko dabbobin da ba su da ƙwarewa da ke yaƙi da ita sun faɗo cikin haƙoran maharan.
Yana da ban sha'awa!Sabanin hankali, sharks ba za su rasa damar da za su bi rakiyar dabbar dolphin ba, kuma ba wai kawai da fatan farautar mafi yawan marasa lafiya ko kifayen dolphin ba: sharks suna farin cikin cin ragowar bukin dolphin.
Kifin kifin shark yakan fara kai hari idan ya ga abin da yake sha'awarsa ya mamaye kansa daga abokan aikinsa kuma ya kasa tsayayya. Don haka, sharkaccen damisa shark yana iya shawo kan dabbar dolphin guda ɗaya, musamman ma wacce ba ta sami girma da girma ba. Shaidun gani da ido sun fada yadda wasu kananan kifayen kifin suka yi nasarar kashe ko da wani babba mai kashe whale wanda ya koma bayan garkensa na asali.
Me yasa kifayen dolphin suke kai hari ga sharks
Dabbobin dolphins, a matsayinsu na dabbobin zamantakewar jama'a, ba wai kawai su yi iyo tare ba: tare suna tallafawa tsoffin, raunana da haɓaka dangi, farauta cikin ƙungiyoyi ko fatattakar maƙiyi.
Hakoki masu haƙori kamar masu gasa abinci ne na sharks, wanda kyakkyawan dalili ne ga na farkon don su yaƙi na biyun. Bugu da kari, dabbobin dolphins suna gabatar da wani yajin aiki lokacin da kifayen kifayen ke kewaya zato kusa (kallon yara ko marasa lafiya)
A cikin yaƙin da ake yi wa mai farauta, abubuwa kamar su:
- kyakkyawar motsi;
- kyakkyawan gudu;
- kwanyar mai ƙarfi (ɓangaren gaba);
- tarin jama'a.
Bayan sun hada kai, kifayen dolphin suna iya magance wata babbar farin kifin shark: suna haifar musu da bugu da kawunansu kan ciki (gabobin ciki) da gill. Don isa ga maƙasudin, dabbar dolfin ta hanzarta kuma ta faɗi a yankin da ke da rauni, gill ya faɗi. Yana kama da naushi na hasken rana.
Yana da ban sha'awa! Dolphins ba sa iya murƙushe sharks a cikin ɗimbin yawa, amma a haɗuwar gefe sun fi su ƙarfi da ƙarfi. Amma babban makamin dabbar dolphin shine tarin jama'a, tare da ingantaccen hankali.
Killer whale vs shark
Babban kifin whale, dabbar dolphin mafi ban sha'awa, shine abin da manyan masu haƙoran haƙoran ya kamata su yi hankali da shi.... Koda babban kifin kifin kifi bai taba girman girman kifin kifi whale ba, wanda mazajensu suka kai mita 10 kuma nauyinsu ya kai tan 7.5.
Bugu da kari, babban bakin kifin kifin whale yana cike da manyan hakora, dan kadan kasa da sharks ta fuskar inganci da girma. Amma wannan dabbar dolfin tana da kwakwalwa, wacce a wasu lokuta ta fi ta hakora kaifi.
Kifin kifin kifin kifin na shark shine ɗayan abokan gaba na kifayen kifayen kifi, ba wai kawai don haɗuwa da abubuwan da ake so na abinci ba, amma kuma saboda ita kanta abin kifi ne mai jan hankali. A cikin ciki na kifayen kifi whales, ban da penguins, dolphins da manyan kifi, yawancin lokuta ana samun kifayen kifin.
Tabbas, sharks suna iyo kuma suna motsawa cikin sauri, amma mai saurin (30 km / h) kuma ba mai saurin kashewa whale rago ne mai rai, yana ƙarewa cikin ƙwanƙwan kwankwaso mara wuyan hawa.
Yana da ban sha'awa! Whale masu kashewa, kamar duk kifayen dolphin, suna kai hari tare, ta amfani da dabarar da aka fi so: hancin busawa zuwa ɓangarorin don juya cikin kifin shark sama. A wannan matsayin, a taƙaice ta faɗi cikin shanyewar jiki kuma ta zama mara taimako gaba ɗaya.
Gabaɗaya, babban rukuni na kifayen kifayen kifayen da ke saurin shawo kan kifin shark har ma da kifi whale mai tarin yawa, daga baya ya wargaje shi. Hakanan akwai hotunan fadan daya-daya, lokacin da wani babban farin shark da kifin kifi whale suka yi fada kusa da Tsibirin Farallon. Dabbar dolfin ta zama mai nasara.
Dabbobin ruwa, kifayen kifaye da mutane
Kowa ya sani cewa dabbobin dolphin sukan tseratar da mutane a tsakiyar teku, gami da kifin shark masu jini a jika.... An bayyana wannan halayyar ta cetaceans ta hanyar ƙaruwa da haɗuwa ta haɗuwa: a zato, suna ɗaukar mara kyau ga ɗayan membobin garken kuma suna ƙoƙarin taimaka masa.
A shekarar 1966, masunci Mahmud Wali masari ya fada cikin guguwar iska a tsakiyar Suez Canal (kusa da Alkahira). Jirgin kamun kifin ya sauka, Mahmud kuwa ya kasance a kan katifar da za'a iya cikawa, ruwa da sharks masu yunwa sun kewaye shi a kowane bangare.
Abu ne mai wuya da masuncin ya sami isa bakin tekun da rai idan ba don garken kifayen dolphin da suka taimaka masa ba. Sun dauki dan uwan talaka a cikin zobe mai matsewa suka fara tura katifa zuwa gabar teku, suna hana shark din matsowa. An kammala jigilar cikin nasara, kuma Mahmoud Wali ya fita daga kasada ba tare da cutarwa ba.
Yana da ban sha'awa! Wani shari'ar ta daban ta faru a 2004 kusa da arewacin tekun New Zealand, ko kuma a kusa, kusa da Tsibirin Whangarei. A nan ne jami'in ceton rairayin bakin teku Rob Hughes, tare da abokan aiki da 'yar Nikki, suka gwada hanyoyin ceton mutane a kan ruwa.
Ba zato ba tsammani, mahaukatan suka kewaye kifayen dolphin, ba su da wata hanyar da mutane za su tsere daga zobe. Masu ceton ba kawai sun damu ba ne, sun firgita, saboda ba su fahimci abin da ya sa aka kama ba tsammani ba.
Anyi bayanin komai lokacin da aka 'yanta Hewes daga bauta - wani katon farin kifin shark wanda ke dab da su kusa da su, wanda mummunan nufin sa ya bayyana karara. Sannan Hewes ya ce kusan ya rame saboda tsoro a gaban ganin bakin hakora a nesa na mita da yawa. Dabbobin dolphin din ba su bar masu ceton ba na kimanin awa guda, har sai da suka isa wani wuri mai aminci.
Laboratory na Mout
A nan ne aka gudanar da gwaje-gwaje mafi kwatanci game da alaƙar da ke tsakanin kifaye da kifayen dolphins. Dabbar dolfin kwalba, wacce ake kira da dolphin ta kwalba, mai suna Simo, ta shiga cikin gwaje-gwajen (Ofishin Bincike Naval ya ɗora).
Kwararrun dakin gwaje-gwajen na da burin - su koyar da wannan kyakkyawan kilogram 200 da kuma kyakkyawan mutum mai tsawon mita biyu don kai hari ga sharks (daidai da umarnin da aka bayar). An saka Simo a kan abin rufe roba mai kariya kuma an sanya shi a cikin wurin wanka tare da rayayyen shark daidai girmansa. Duk dabbobin biyu ba su nuna alamun zalunci ba.
Mahimmanci! Sakamakon nasara na gwajin ya tura masana kimiyyar halittu tunani game da koyar da dabbobin dolphin don kare masu ruwa da ruwa, masu ruwa iri iri (masu zurfin aiki) har ma da masu hutu a bakin rairayin bakin teku.
Bayan haka an koyar da dabbar dolfin don afkawa mataccen dabba mai ƙananan ƙarami kaɗan (1.8 m), yana ba da lada ga kowane bugu zuwa gefen kifin shark tare da magani a cikin sabon kifi. Sannan an horar da Simo don kai farmaki ga mataccen shark (2.1 m), wanda aka ja a saman ruwan tafkin. A sakamakon haka, kifayen kifayen sun yi horo don fitar da mai rai mai farauta mai tsawon 1.8 daga tafkin.
Dolphins a matsayin masu kare shark
Tunanin jawo dolphin don kare masu ninkaya daga shark shine masana ilimin kimiya a kasashe da yawa suka ƙaddara... Yayin aiwatar da wani ra'ayi mai ban sha'awa wasu yanayi masu tsanani suna hana shi:
- Babu tabbacin 100% cewa dolphins zasu haɗu da mutumin da ke cikin matsala tare da memba na yankin su. Yana yiwuwa su san shi a matsayin baƙo kuma su tafi a lokacin mafi haɗari.
- Dabbobin dolphins dabbobi ne masu kyauta waɗanda basa iyakance kansu cikin iyo a cikin teku, gami da motsi da ƙaura ta haifar. Abin da ya sa ba shi yiwuwa a sanya cetaceans a kan sarkar ko kuma a ɗaura su da wani yanki don su tsoratar da duk kifayen da ke kewaye da su.
- Duk abin da mutum zai iya fada, amma yawancin dabbobin dolphins basu da karfi a karfin jiki zuwa ga mafi girma da hadari nau'in kifayen kifin (tiger, babban fari ko baki-hanci). Wadannan masu farautar, idan ana so, suna iya shiga cikin zobe na dolphins kuma su kusanci mutum sosai.
Koyaya, masana ilimin kimiyyar kere-kere na Afirka ta Kudu sun riga sun samo (yadda suke tsammani) mafita ga matsala ta uku. Ka tuna cewa daya daga cikin mafi yawan yawan fararen kifin kifaye da aka gani a kudancin ruwan jihar. Masana kimiyya na Afirka ta Kudu sun ba da shawarar daukar kifin whale don yin sintiri a bakin teku na yankin. Ya rage kawai don nemo kuɗi da fara horo.
