?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=UJI+PENGARUH+KEMIRINGAN+DAN+TIPE+PIJAKAN+(TANGGA+SEKAT%0D%0ADAN+VERTICAL+POOL+PASSES)+PADA+DASAR+FISHWAY+TERHADAP%0D%0ARASIO+PERPINDAHAN+IKAN+SIDAT+(ANGUILLA+BICOLOR%2C+SP)&rft.creator=NENCY+DWI+KUSANTI%2C+1515011026&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Bendung+merupakan+suatu+bangunan+sungai+yang+mempunyai+peranan+penting%0D%0Abagi+kehidupan.+Namun%2C+dengan+adanya+pembangunan+bendung+dapat%0D%0Aberpengaruh+pada+kelangsungan+ekosistem+sungai+yang+ada%2C+khususnya+bagi%0D%0Abeberapa+jenis+ikan+yang+memiliki+karakteristik+migrasi+dari+hulu+ke+hilir.%0D%0APembangunan+suatu+bendung+harus+memperhatikan+keseimbangan+ekosistem%0D%0Asungai+agar+ekosistem+yang+ada+tetap+terjaga%2C+salah+satunya+dengan+cara%0D%0Amembangun+bangunan+pelengkap+sungai+berupa+tangga+ikan+(fishway).%0D%0AUntuk+mengetahui+efisiensi+bentuk+fishway+yang+dapat+dibangun%2C+maka+pada%0D%0Apenelitian+ini+dilakukan+percobaan+dengan+menggunakan+ikan+sidat+(Anguilla%0D%0Abicolor%2C+sp)+yang+kemudian+akan+dilakukan+percobaan+pada+alat+fishway%0D%0Adengan+kemiringan+dan+dua+tipe+pijakan+yang+berbeda%2C+yaitu+tangga+sekat+dan%0D%0Avertical+pool+passes+yang+kemudian+akan+dibandingkan+dengan+tipe+pijakan%0D%0Apipa+PVC+yang+telah+dilakukan+pada+penelitian+sebelumnya.%0D%0ADari+penelitian+yang+telah+dilakukan%2C+terjadi+penurunan+rasio+aktivitas+seiring%0D%0Abertambahnya+sudut+kemiringan+pada+fishway+dan+diperoleh+nilai+rasio+tertinggi%0D%0Apada+percobaan+dengan+sudut+kemiringan+25%C2%B0+dengan+rasio+sebesar+4%2C40+untuk+tipe%0D%0Apijakan+tangga+sekat+dan+3%2C72+untuk+tipe+pijakan+vertical+pool+passes.+Sedangkan%0D%0Ajika+dibandingkan+antara+tipe+pijakan+tangga+sekat%2C+vertical+pool+passes+dan+pipa%0D%0APVC+diperoleh+nilai+rasio+tertinggi+yaitu+pada+penggunaan+pipa+PVC+0%2C5+inch%0D%0Adengan+rasio+sebesar+4%2C50.%0D%0AKata+Kunci+%3A+Tangga+Ikan%2C+Aktivitas+Ikan+Sidat%2C+Tipe+Pijakan%0D%0A%0D%0AWeir+is+a+building+across+the+river+that+has+an+important+role+for+life.+However%2C+the%0D%0Aconstruction+of+weirs+can+affect+the+sustainability+of+the+existing+river+ecosystem%2C%0D%0Aespecially+for+several+types+of+fish+that+have+migration+characteristics+from%0D%0Aupstream+to+downstream.+The+construction+of+a+weir+must+pay+attention+to+the%0D%0Abalance+of+the+river+ecosystem+so+that+the+existing+ecosystem+is+maintained%2C+one+of%0D%0Awhich+is+by+building+a+complementary+river+building+in+the+form+of+a+fishway.%0D%0ATo+determine+the+efficiency+of+the+fishway+shape+that+can+be+built%2C+in+this+study+an%0D%0Aexperiment+was+carried+out+using+eel+(Anguilla+bicolor%2C+sp)+which+will+then+be+tested%0D%0Aon+a+fishway+tool+with+a+slope+and+two+different+types+of+steps%2C+namely+bulkhead%0D%0Astairs+and+vertical+pool+passes+that+Then+it+will+be+compared+with+the+type+of+PVC%0D%0Apipe+footing+that+has+been+done+in+a+previous+study.%0D%0AFrom+the+research+that+has+been+done%2C+there+is+a+decrease+in+the+activity+ratio+as%0D%0Athe+angle+of+inclination+on+the+fishway+increases+and+the+highest+ratio+value+is%0D%0Aobtained+in+the+experiment+with+a+slope+angle+of+25%C2%B0+with+a+ratio+of+4.40+for+the%0D%0Abulkhead+stair+step+type+and+3.72+for+the+vertical+pool+passes+footing+type.%0D%0AMeanwhile%2C+when+compared+between+the+types+of+bulkhead+stair+steps%2C+vertical+pool%0D%0Apasses+and+PVC+pipes%2C+the+highest+ratio+value+is+obtained%2C+namely+the+use+of+0.5%0D%0Ainch+PVC+pipe+with+a+ratio+of+4.50.%0D%0AKeywords+%3A+Fishway%2C+Eel+Activity%2C+Footing+Type&rft.publisher=FAKULTAS+TEKNIK&rft.date=2021-09-29&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68178%2F1%2FABSTRAK%2520-%2520Nency%2520Dwi%2520Kusanti.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68178%2F2%2FSKRIPSI%2520FULL%2520-%2520Nency%2520Dwi%2520Kusanti.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68178%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Nency%2520Dwi%2520Kusanti.pdf&rft.identifier=++NENCY+DWI+KUSANTI%2C+1515011026++(2021)+UJI+PENGARUH+KEMIRINGAN+DAN+TIPE+PIJAKAN+(TANGGA+SEKAT+DAN+VERTICAL+POOL+PASSES)+PADA+DASAR+FISHWAY+TERHADAP+RASIO+PERPINDAHAN+IKAN+SIDAT+(ANGUILLA+BICOLOR%2C+SP).++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F68178%2F