Misa kufa kwemhuka chimwe chezvinhu zvisingazivikanwi zvakasikwa zvepanyama. Sei ma dolphin akadzingwa kunze nezviuru pamahombekombe, uye makwai nemakwai ose kuenda kugomba rakadzikadzika kubva padombo?
Muchikoro chedu mamiriro ekuzivikanwa uye akajairika ekufa kwezvipfuwo mumativi akasiyana-siyana enyika anounzwa.
Rufu rwembupu muUganda
Muna 2004, vanenge mazana matatu emabheti akaurayiwa muparidzi yekuganda muUganda. Chikonzero chekufa kwemhuka kwechiuru chaive chirwere ne anthrax. Spores emabhakitiriya ane ngozi anokwira padziva, iyo imvubu inonwa mvura.
Rufu rwePelicans muPeru
Muna 2012, pamhenderekedzo yePeru, inotakura mumiviri ye1200 shiri dzakafa. Vagari vemuAfrica vakazara nekutya kukuru, vatashanyi vakakurumidza kusiya nzvimbo. Somugumisiro, rufu rwusingazivikanwi rwakanyorerwa kubasa rekushaiwa kwekudya kukuru kwe shiri - anchovies, iyo yakaguma nekusvibiswa kwepamusoro pemvura yakaenda pakadzika.
The Riddle of Blackbirds
Chimwe chezviitiko zvisingazivikanwi zvekufa kwemhuka kwemhuka zvakaitika muna 2011 muA Arkansas. Nyeredzi dzakafa dzakatanga kuwira pasi mumazana. Mazuva maviri gare gare, mamiriro akafanana akadzokororwa muLouisana. Pakutanga, masayendisiti akafunga kuti shiri dzakange dzine chirwere chinouraya, asi zvidzidzo zvakaratidza kuti kwakanga kusina mavhairasi ane ngozi mumitumbi yavo. Asi pamitumbi yevakafa inoputika pane zvakawanda zvakakakuvadza. Sezvo mhaka dzaitika paZvondo Zvesva Idzva, zvakarongerwa kuti chikonzero chekufa kwevakawanda chaiva chemoto. Vanogona kutya zvinoputika pamisha yavo uye kuvhundutsa. Zvichida, kutya uye kuona zvakanaka murima, shiri dzakatanga kubhururuka pazvivako nemiti, zvichibva pamagumisiro avo vakagumburwa zvikuru uye vakawa vakafa.
Dolphins-kuzviuraya
MunaFebruary 2017, vanopfuura madhora mazana mana ekugaya vakatizira kumhenderekedzo yeNew Zealand. Somugumisiro wekuedza kwekuzviuraya, anenge mhuka mazana matatu akaurawa, vamwe vose vakakwanisa kubviswa kubva mumumvuri ndokuchengetedzwa.
Iyi haisi yekutanga yakadaro. Nguva nenguva muzvikamu zvakasiyana zvepasi rose rekodzero yekuzvidzivirira kwevanhu vanodhaini uye marwenga. Chikonzero nei mhuka ichiita izvi, zvisingazivikanwi.
Kufa kunosuruvarisa kwevhena geose muMontana
Muna 2016, zviuru zvevhenekera dzakachena dzakafira mucheka reLake Berkeley-Pit, iri muMontana. Boka re shiri rakabhururuka pamusoro pegungwa uye rakasarudza kumirira chando chechando chiri kuuya pamusoro payo. Ichi chisarudzo chakazove chakauraya. Gungwa iri rine dutu rakawanda rehutsvina, kusanganisira mhangura, arsenic, magnesium, zinc, nezvimwewo. Kunwa mvura inouraya kubva mudziva, inenge yose inenge yakafa, zvingangova makumi mashanu makumi mashanu kubva kune gumi zvakapona.
Rufu rwemukadzi muNorway
Muna 2016, 323 nzara dzakaurayiwa muNorway National Park yeHangangervidda. Vatsvakurudzi vanotenda kuti chikonzero chekufa kwemhuka dzose chakanga chiri chigamba chemheni.
Rufu rweupenyu hwemvura muChile
MunaMarch 2013, gungwa reguta reChile reCoronel rakafukidzwa nezviuru zvevakafa shrimp uye shellfish. Nokuda kwechikonzero chisina kujeka, vagari vengarava vakasvetuka kumahombekombe, vachipeta jecha riri kumhenderekedzo yeguru. Kuongorora kwechiitiko chacho hakuna kutungamirira kune chimwe chinhu, uye ichi chichifukidzirwa nechidzitiro chekuvanzika.
Rufu runotyisa uye rusinganzwisisiki rwetsatya muGermany
Chiitiko chisina kujairika chakaitika muna 2006 pane imwe yemakungwa munzvimbo yeHamburg. Matatya aigara muhova pakarepo akatanga kufa, apo kufa kwavo kwakanga kwakafanana nemifananidzo kubva kune yakaipa zvikuru mafirimu mafirimu. Pakutanga zvinokambaira zvishoma nezvishoma zvakaputika, uye mushure mokunge vhudzi ravo richiwedzera ne 3-4 nguva, pakarepo vakavhuvhuta uye vakaputika, vachiparadzira mazamu avo akapoteredza. Nokudaro, vanenge 1000 vaAmphibiya vakafa. Rufu rusinganzwisisiki rweatatya rwakanga rwuri kukakavadzana kunotyisa, asi masayendisiti haasati ava kukwanisa kuziva zvikonzero zvaro zvechokwadi.
Kuzviuraya kwemakwai muTurkey
Muna 2005 anenge makwai mazana mapfumbamwe negumi akakurumidza kubva kumatombo muTurkey. Somugumisiro wekuedza kuzviuraya, mhuka mazana mana dzakaurawa kusvika pakufa, uye vamwe vose vakakwanisa kupona nekuda kwekuderera kunononoka kwemitumbi yevarume vakafa.
Zviuru zvehove dzakafa muTexas
Muna June 2017, zviuru zvehove dzakafa zvakawanikwa pamhenderekedzo yeGulf yeMatagorda muTexas. Gungwa reNegeal pa 1.5 makilomita rakanga rakazara nemitumbi ye mendadenas, flounder uye trout. Chikonzero chekurasikirwa kwehove chakanga chisina kujeka, asi mamwe masayendisiti anotenda kuti mhuka dzinogona kutyiswa nehupfu hunokonzera dzimwe algae panguva yekufamba.