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Ihindagurika ry’ikirere ririmo guteza gatanya mu nyoni za albatross – Ubushakashatsi

Ubuzima   Yanditswe na: Dusingizimana Remy 28 November 2021

Iyo umubano hagati y’abashakanye urangiye, bishobora guterwa n’uko ikibatsi cy’urukundo cyazimye, cyangwa bikaba byaterwa no kuba batakibonerana akanya.


Ariko se ihindagurika ry’ikirere rishobora gutuma habaho gutandukana?

Birashoboka, nkuko bikubiye mu bushakashatsi bushya buvuga ko inyoni zo mu bwoko bwa albatros (albatross) - zimwe mu biremwa ku isi bizwiho kurambana cyane mu rushako - zirimo "gutandukana" kurushaho.

Ubushakashatsi bwatangajwe mu kinyamakuru cyihariye cya Royal Society journal, bwakorewe ku matsinda 15,500 y’inyoni za albatros zibana nk’ingore n’ingabo mu birwa bya Falkland Islands mu gihe cy’imyaka 15.

Gutandukana hagati ya albatros urebye ni nko gucana inyuma, ubigereranyije n’uko bimeze mu bantu. Ni igihe imwe mu nyoni ebyiri zibana nk’ingore n’ingabo igiranye imibonano n’indi nyoni.

Cyo kimwe no ku bantu, inyoni za albatros na zo zigira igihe cy’ingorane cyo gukura, no kugerageza (rimwe na rimwe zikanananirwa) kujya mu mubano w’urukundo.

Ariko iyo nyuma zigezeho zigashimana, zikabona indi nyoni mugenzi wazo zihuje, ubusanzwe zibana akaramata (ubuzima bwose).

Ikigero cya 1% cy’inyoni za albatros ni zo zitandukana nyuma yo guhitamo inyoni yindi zibana na yo - ikigero kiri hasi cyane ugereranyije n’ikigero cya gatanya (divorce) ku bantu mu Bwongereza, aho abarenga 100,000 batandukanye mu 2019.

Francesco Ventura, umushakashatsi wo kuri Kaminuza ya Lisbon muri Portugal akaba n’umwe mu bakoze ubu bushakashatsi, agira ati: "Gushaka inyoni imwe [monogamy] no kumarana igihe kirekire mu mubano ni ibintu bimenyerewe cyane kuri zo".

Ariko mu myaka yakoreweho ubwo bushakashatsi yari irimo ubushyuhe bwinshi mu mazi, amatsinda ya albatros abana nk’ingore n’ingabo agera ku 8% yaratandukanye.

’Gatanya itewe n’ihindagurika ry’ikirere’

Ubu bushakashatsi buvuga ko "gatanya itewe n’ihindagurika ry’ikirere ishobora kuba ari ingaruka yirengagizwa" ivuye ku ihindagurika ry’ikirere.

Ubusanzwe, gatanya mu nyoni za albatros ibaho iyo imwe inaniwe kubyara, indi igashaka izindi zibyarana na yo ku ruhande mu kindi gihe gikurikiyeho cyo kororoka.

Ariko ibyavuye muri ubu bushakashatsi bigaragaza ko amatsinda y’izi nyoni abana nk’ingore n’ingabo yanatandukanaga n’iyo yabaga yaragize igihe cyiza cy’urubyaro.

Umushakashatsi Francesco avuga ko hari ibintu bibiri bishoboka bishobora kuba byarateye uko kwiyongera kwa gatanya - kimwe gifitanye isano n’uburyo zigorwa n’umubano wo mu gihe ingore n’ingabo zibayeho ahantu hatandukanye ha kure (long-distance relationship).

Amazi ashyushye kurushaho yatumye biba ngombwa ko izi nyoni zihiga igihe kirekire kandi zikaguruka intera ndende kurushaho zishakisha ibyo kurya.

Iyo izi nyoni zidashoboye gutahira igihe gikwiye cyo kororoka, izashakanye na zo zishobora gushaka uko zigenza ku ruhande zigashaka indi nyoni.

Ikindi kintu gishobora kuba gitera uku kwiyongera kwa gatanya ni uko imisemburo (hormones) y’umuhangayiko (stress) ya albatros izamuka iyo ziri ahantu haziteje ibibazo bikomeye by’imibereho, nk’iyo amazi ashyushye cyane.

Mu gihe hari ibihe bigoye kurushaho bijyanye no kororoka, hamwe n’ibiryo bidahagije, bishobora gutuma albatros ihangayika kurushaho ndetse mugenzi wayo ikitirirwa "kwitwara nabi mu gutera akabariro" - ikintu nyuma gishobora gutera gatanya, nkuko Francesco abivuga.

Ubu bushakashatsi butangajwe mu gihe umubare w’inyoni za albatros mu mahanga wugarijwe no kugabanuka.

Imibare imwe yo mu 2017 igaragaza ko umubare w’amatsinda y’ingore n’ingabo ya albatros arenzeho gato kimwe cya kabiri cy’uko yanganaga mu myaka ya 1980.

Francesco avuga ko mu birwa bya Falkland Islands, muri iki gihe umubare wazo udateje guhangayika - ariko ko mu tundi turere aho umubare wazo ari muto, ari ikintu giteje impungenge.

Ati: "Ubushyuhe burimo kuzamuka kandi buzazamuka, rero ibi bishobora guteza ibindi bibazo".

BBC

Author : Dusingizimana Remy

Dusingizimana Remy is a journalist for Umuryango.rw. He studied at the University of Rwanda.He holds a Bachelor’s degree in Journalism and Communication. He started his career in writing about sports in 2015.Follow him on Twitter and Instagram @REMY SAGAN

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