ama ▁ ▁K ota ▁T ing gi ▁ ▁K ual a ▁Sed ili ▁ ▁Pen ger ang ▁ ▁S ung ai ▁R eng it ▁ ▁Tan j ung ▁Sur at ▁ ▁Tel uk ▁S eng at ▁ ▁Ge ology ▁Main ▁rivers ▁that ▁pass ▁through ▁the ▁district ▁are ▁Joh or ▁River , ▁Leb am ▁River , ▁Santi ▁River , ▁Sed ili ▁Bes ar ▁River ▁and ▁Sed ili ▁K ec il ▁River . ▁ ▁Econom y ▁The ▁main ▁economy ▁activities ▁in ▁the ▁district ▁are ▁ec ot our ism , ▁agricult ure , ▁bi ote chn ology , ▁pet ro chem ical ▁and ▁oil ▁and ▁gas . ▁ 6 0 % ▁of ▁the ▁district ▁land ▁is ▁used ▁for ▁agricult ure ▁purpose . ▁In ▁Des aru , ▁currently ▁the ▁Joh or ▁state ▁government ▁is ▁developing ▁an ▁integrated ▁tour ism ▁area ▁which ▁spread s ▁over ▁an ▁area ▁of ▁ 1 , 5 7 8 ▁hect ares . ▁ ▁Tour ist ▁attra ctions ▁ ▁K ota ▁T ing gi ▁Museum ▁ ▁Sultan ▁I sk and ar ▁Res er voir ▁ ▁Sultan ▁Mah m ud ▁Mang k at ▁Di ▁Jul ang ▁M aus ole um ▁ ▁Tan j ung ▁Bal au ▁Fish erm en ▁Museum ▁ ▁Des aru ▁ ▁K ota ▁T ing gi ▁Water falls ▁ ▁Transport ation ▁The ▁district ▁is ▁served ▁by ▁Trans J oh or ▁public ▁bus es ▁linking ▁K ota ▁T ing gi ▁Town ▁to ▁L ark in ▁Sent ral ▁Terminal ▁in ▁Joh or ▁Bah ru ▁City ▁and ▁also ▁other ▁destin ations ▁within ▁the ▁district ,