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Keanekaragaman Capung di Kecamatan Kerkap Kabupaten Bengkulu Utara Lubis, Rukiah; Fitriani, Apriza; Safitri, Desilia
bionature Vol 22, No 2 (2021): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/bionature.v22i2.24680

Abstract

Abstract. This research aims to determine the diversity of dragonflies in Kerkap District, Bengkulu Utara regency. The location of this research in 5 villages located ini Kerkap District, Nort Bengkulu Regency. This study used a direct survey method to the research location that was conducted in february – march 2021. The sample was taken using purposive sampling method. Based on the researchnresults found 3 families, namely Lindeniidae (Ictinogomphus australis) two species of the Coenagrionidae family were found (ischnura ramburii and ischnura elegans). while the family of Libellulidae found 13 species, namely (Sympetrum vinicum, Macrodiplax cora, Neurothemis fluktuans, Neurothemis fulvia, Orthetrum sabina, Orthetrum testaceum, Pantala flavescens, Cratilla metallica, Pseudothemis zonata, Crocothemis servilia, Acisoma panorpoides, Tyriobapta torrida, dan Perithemis domitia). The diversity index (H') of dragonflies was obtained (1,146) which was categorized as moderate diversity index. The most common species found is Pantala flavescens and the least is Acisoma panorpoides.Keywords: dragonfly, diversity
Keanekaragaman Jenis Ikan yang Terdapat di Sungai Air Jernih Kecamatan Padang Guci Hulu Kabupaten Kaur Provinsi Bengkulu Herlina, Meti; Fitriani, Apriza; Hermansyah, Prasanto
bionature Vol 22, No 2 (2021): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/bionature.v22i2.24681

Abstract

Abstract. This research aims at investigating the diversity of fish species contained in Air Jernih River Padang Guci Hulu District Kaur Regency Bengkulu Province. The method used in this research was the direct survey method to the research location. The sampling technique was conducted by dividing the station based on the characteristics of the river consisting of three locations, namely station A with the characteristics of the river that is rocky and mossy, the station B with the characteristics of the river that is rocks and pebbles (coral), and station C is  with sandy river characteristics. From the research results, it can be revealed that the diversity of fish contained that the diversity contained in the three stations, having different fish diversity on station A with the index of diversity of 0.58, station B with the index of diversity of 0.57, and on station C with diversity index 0, 66. The types of fish contained in Air Jernih river of Padang Guci Hulu District Kaur Regency Bengkulu Province were containing 7 species belonging to 5 families. The fish species are: Gobiinae (Sicyopterus cynocephalus), Anabantidae (Anabas testudineus), Ciclidae (Oreochromis niloticus), Anguillidae (Anguilla marmorata), and Cyprinidae (Rasbora argyrotaenia, Barbonymus gonionotus and Osteochilus vittatus).Keywords: diversity, river fish air jernih