Tare da gina shuka na Manuel Moreno Torres na lantarki akan kogin Grijalva, an canza yanayin halittu kuma bankunan siliki masu yashi-sandar da kada kogin ke amfani da shi don yin gida ya ɓace, yanayin da ya haifar da saurin samar da wannan nau'in. A Tuxtla Gutiérrez, Chiapas, gidan zoo na Miguel Álvarez del Toro, wanda aka fi sani da ZOOMAT, sun fara wani shiri a shekarar 1993 don kare yawan kada da ke zaune a yankin Sumidero canyon.
A watan Disambar 1980, nan da nan bayan kamfanin samar da wutar lantarki ya fara aiki, an ayyana yanki mai nisan kilomita 30 a gefen kogin Grijalva a matsayin Filin shakatawa na kasa na Sumidero Canyon. Masana kimiyyar halittu na ZOOMAT suna ganin yana da mahimmanci don karewa da tallafawa kiyayewa na Crocodylus acutus ta hanyar aiwatar da ayyuka daban-daban a wuri da waje, kamar tarin ƙwai daji da zuriya, haifuwa a cikin bauta, sakin dabbobi da aka bunkasa a gidan ajiyar dabbobi da sa ido. ci gaba da yawan kada dajin. Wannan shine yadda aka haife Tsarin Sakin Babyan Babyan Croan inabila a cikin Cañón del Sumidero National Park.
A cikin shekaru goma na aiki, ya yiwu a sake dawo da matasa 300 zuwa mazauninsu na asali, tare da kimanin rayuwa ta 20%. Daga cikin waɗannan, an haife su 235 a cikin ZOOMAT daga ƙwai waɗanda aka tattara a wurin shakatawar kuma aka sanya su cikin kayan aiki; karamin kaso daga zuriyar kada mai mazauni a gidan ajiyar dabbobi ko aka tara. Ta hanyar kididdigar kowane wata da ke Sumidero canyon, an yi rikodin cewa mafi girma da tsoffin dabbobin da aka saki su ne kadoji masu shekaru uku da tara a cikin 2004 za su zama manya, ana tsammanin su mata ne kuma tsawonsu ya wuce mita 2.5 .
Luis Sigler, mai bincike a fannin kimiyyar dabbobi kuma mai kula da wannan shirin, ya nuna cewa ta takamaiman hanyoyin shiryawa suna neman haihuwar mata da yawa fiye da maza don inganta karuwar yawan jama'a. Yayin watannin da suke da dumi a shekara, akasarin watan Maris, an basu aikin gano gurbi da kuma kai su wuraren ZOOMAT; kowane gida yana dauke da kwai 25 zuwa 50 kuma matan na gida sau daya a shekara. An saki samari suna da shekara biyu, lokacin da suka kai tsawon 35 zuwa 40 cm. Don haka, ana riƙe yara 'yan shekara biyu da biyu a lokaci guda, ban da waɗanda ke cikin tsarin shiryawar.
Sigler yana da kwarin gwiwa game da kokarin kiyayewa: “Sakamakon yana da karfafa gwiwa, muna ci gaba da nemo dabbobi masu sakin shekaru, wanda hakan ke nuni da cewa rayuwa mai dorewa tana tafiya daidai. A cikin lura da rana a yankin binciken, kashi 80% na abubuwan da aka gani sun dace da dabbobi masu alama, wanda ke nufin cewa yawan kada ya karu sosai, wanda ke da fa'idar tattalin arziki kai tsaye ga al'ummomin da aka sadaukar domin yawon bude ido ta hanyar jirgin ruwa ta hanyar dajin Kasa ". Koyaya, ya yi gargaɗin cewa ba za a iya yin komai ba idan babu tsarin sa ido wanda ya dace da bukatun wannan muhimmin wurin shakatawa na ƙasa.
Crocodylus acutus yana daya daga cikin nau'o'in kada guda uku da ake dasu a Mexico kuma shine yake da mafi girman rarraba, amma a cikin shekaru 50 da suka gabata kasancewar sa a wuraren rarraba tarihi ya ragu. A cikin Chiapas a halin yanzu yana zaune a gefen gabar Kogin Grijalva, a cikin tsakiyar ɓacin rai na jihar.
