Wasu ƙananan matakan hare-haren na iya zama saboda yawan ƙoƙarin da jami'an namun daji suka yi a Ostiraliya don sanya alamun gargadi na aljanu a wurare da dama da ke cikin haɗari, koguna, tafkuna da rairayin bakin teku. An ba da rahoton hare-haren da ba a san su ba a Borneo, Sumatra, Gabashin Indiya (Andaman Islands), da Burma. A Sarawak, Borneo, yawan adadin hare-haren da aka kashe ya kai kimanin 2.8 a kowace shekara don shekaru daga 2000 zuwa 2003. A cikin Arewacin Yankin a Ostiraliya, an yi ƙoƙari na sake mayar da aljanu masu ruwan gishiri waɗanda suka nuna mummunan hali ga mutane amma sun tabbatar da cewa suna da alhakin wannan matsala a Australia saboda aljanu masu haɗari suna da alhakin cutarwa ga mutane. Duk da haka, wannan binciken ya nuna cewa babu wata hanyar da za ta iya samun nasara a cikin yankunan da ke kewaye da su a kowace shekara inda ba za a iya samun nasara ba. Wannan binciken, wanda aka yi a cikin shekara ta 2007, ya tabbatar da cewa ba a samu nasara ba a cikin yankunan da ba su da ruwa mai gishiri
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