1Program Studi Manajemen Sumberdaya Perairan, Departemen Sumberdaya Akuatik, Indonesia
2Fakultas Perikanan dan Ilmu kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ20583, author = {Hiskia Sinulingga and Max Muskananfola and Siti Rudiyanti}, title = {HUBUNGAN TEKSTUR SEDIMEN DAN BAHAN ORGANIK DENGAN MAKROZOOBENTOS DI HABITAT MANGROVE PANTAI TIRANG SEMARANG}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {6}, number = {3}, year = {2018}, keywords = {}, abstract = { ABSTRAK Pantai Tirang merupakan salah satu pantai di Semarang, terletak di sebelah barat dari bandara Ahmad Yani, pantai Maron dan Muara Kali Angke di Desa Tambakrejo, Kecamatan Tugu, Kabupaten Semarang. Tujuan dari penelitian ini adalah untuk mengetahui tekstur sedimen dan bahan organik, mengetahui nilai indeks biologi (indeks keanekaragaman, indeks keseragaman, dan indeks dominasi), dan mengetahui hubungan tekstur sedimen dan bahan organik dengan makrozoobentos di Habitat Mangrove Pantai Tirang Semarang. Metode yang digunakan dalam penelitian ini adalah: metode deskriptif (analisa lapangan dan laboratorium). Analisa lapangan di Pantai Tirang Semarang dan analisa laboratorium di Lab Pengelolaan Sumberdaya Ikan dan Lingkungan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Pengambilan sampel dilakukan 3 kali dengan interval waktu 2 minggu sekali. Hasil penelitian menunjukkan bahwa tektur sedimen didominasi oleh fraksi pasir berkisar 90,92-94,56% pada sampling pertama; fraksi liat 26,08 – 61,24% pada sampling kedua; fraksi liat berkisar 23,28-59,88 % pada sampling ketiga; dan Nilai bahan organik berkisar antara 1,88-5,88%. Nilai indeks keanekaragaman berkisar 0,563-1,003, indeks keseragaman berkisar 0,579-0,909, indeks dominasi berkisar 0,371-0,624 dan kelimpahan makrozoobentos berkisar antara 1995,27-5985,83 ind/m 3 . Jenis makrozoobentos yang mendominasi adalah dari genus Cerithidea . Hubungan tekstur sedimen dominan (fraksi clay) dan bahan organik dengan makrozoobentos: fraksi clay dengan kelimpahan makrozoobentos memiliki hubungan terbalik, semakin tinggi fraksi clay maka kelimpahan makrozoobentos makin rendah dengan koefisien korelasi -0,18. Bahan organik dengan kelimpahan makrozoobentos memiliki keeratan hubungan sedang, bahan organik makin tinggi maka kelimpahan makrozoobentos meningkat. Kata Kunci : Tekstur Sedimen; bahan organik; makrozoobentos; Pantai Tirang Semarang ABSTRACT Tirang Beach is one of the beaches in Semarang located at the westside of Ahmad Yani airport, Maron Beach and the estuari of Angke River, Tambakrejo village, Tugu subdistrict, Semarang Regency. The objective of the research is to determine the sediment textures and organic matter s , to know the biological ind ices (diversity index, uniformity index, and the dominance index), and to determine the relationship between macrozoobenthos with sediment textures and organic matter in Mangrove habitat at Tirang Beach Semarang.Th is study adopts a descriptive method (Field and laboratory analysis). Field analysis in Tirang Beach Semarang and laboratory analysis at the Laboratory of Fish Resources Management and Environment Faculty of Fisheries and Marine Sciences, University of Diponegoro in Semarang. Sampling was conducted three times at intervals of 2 weeks.The results of this study show s that sediment textures is dominated by sand fraction ranged from 90,92 to 94,56% at fiirst sampling; clay fractions ranged from 26,08 to 61,24 % at second sampling; clay fraction ranged from 23,28-59,88 % at third sampling. Diversity index values ranged from 0,563 to 1,003, uniformity index ranges from 0,579 to 0,909, dominance index ranged from 0,371 to 0,624 and the abundance of macrozoobenthos from 1995.27 to 5985.83 ind/cm 3 . Macrozoobenthos is dominated by genus Cerithidea. Relation of sediment texture (clay fraction) and organic material with macrozoobenthos. The clay fraction and abundance of macrozoobenthos has a negative correlation, high clay concentration low macrozoobenths abundance and correlation value of -0.18. Organic matter and abundance of macrozoobenthos has a moderate correlation, high organic material high macrozoobenthos abundance and correlation value 0.73. Keywords: Sediment textures, organic matters; Macrozoobenthos; Tirang Beach Semarang }, issn = {2721-6233}, pages = {247--254} doi = {10.14710/marj.v6i3.20583}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/20583} }
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ABSTRAK
Pantai Tirang merupakan salah satu pantai di Semarang, terletak di sebelah barat dari bandara Ahmad Yani, pantai Maron dan Muara Kali Angke di Desa Tambakrejo, Kecamatan Tugu, Kabupaten Semarang. Tujuan dari penelitian ini adalah untuk mengetahui tekstur sedimen dan bahan organik, mengetahui nilai indeks biologi (indeks keanekaragaman, indeks keseragaman, dan indeks dominasi), dan mengetahui hubungan tekstur sedimen dan bahan organik dengan makrozoobentos di Habitat Mangrove Pantai Tirang Semarang. Metode yang digunakan dalam penelitian ini adalah: metode deskriptif (analisa lapangan dan laboratorium). Analisa lapangan di Pantai Tirang Semarang dan analisa laboratorium di Lab Pengelolaan Sumberdaya Ikan dan Lingkungan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Pengambilan sampel dilakukan 3 kali dengan interval waktu 2 minggu sekali. Hasil penelitian menunjukkan bahwa tektur sedimen didominasi oleh fraksi pasir berkisar 90,92-94,56% pada sampling pertama; fraksi liat 26,08 – 61,24% pada sampling kedua; fraksi liat berkisar 23,28-59,88 % pada sampling ketiga; dan Nilai bahan organik berkisar antara 1,88-5,88%. Nilai indeks keanekaragaman berkisar 0,563-1,003, indeks keseragaman berkisar 0,579-0,909, indeks dominasi berkisar 0,371-0,624 dan kelimpahan makrozoobentos berkisar antara 1995,27-5985,83 ind/m3. Jenis makrozoobentos yang mendominasi adalah dari genus Cerithidea. Hubungan tekstur sedimen dominan (fraksi clay) dan bahan organik dengan makrozoobentos: fraksi clay dengan kelimpahan makrozoobentos memiliki hubungan terbalik, semakin tinggi fraksi clay maka kelimpahan makrozoobentos makin rendah dengan koefisien korelasi -0,18. Bahan organik dengan kelimpahan makrozoobentos memiliki keeratan hubungan sedang, bahan organik makin tinggi maka kelimpahan makrozoobentos meningkat.
Kata Kunci : Tekstur Sedimen; bahan organik; makrozoobentos; Pantai Tirang Semarang
ABSTRACT
Tirang Beach is one of the beaches in Semarang located at the westside of Ahmad Yani airport, Maron Beach and the estuari of Angke River, Tambakrejo village, Tugu subdistrict, Semarang Regency. The objective of the research is to determine the sediment textures and organic matters, to know the biological indices (diversity index, uniformity index, and the dominance index), and to determine the relationship between macrozoobenthos with sediment textures and organic matter in Mangrove habitat at Tirang Beach Semarang.This study adopts a descriptive method (Field and laboratory analysis). Field analysis in Tirang Beach Semarang and laboratory analysis at the Laboratory of Fish Resources Management and Environment Faculty of Fisheries and Marine Sciences, University of Diponegoro in Semarang. Sampling was conducted three times at intervals of 2 weeks.The results of this study shows that sediment textures is dominated by sand fraction ranged from 90,92 to 94,56% at fiirst sampling; clay fractions ranged from 26,08 to 61,24 % at second sampling; clay fraction ranged from 23,28-59,88 % at third sampling. Diversity index values ranged from 0,563 to 1,003, uniformity index ranges from 0,579 to 0,909, dominance index ranged from 0,371 to 0,624 and the abundance of macrozoobenthos from 1995.27 to 5985.83 ind/cm3. Macrozoobenthos is dominated by genus Cerithidea. Relation of sediment texture (clay fraction) and organic material with macrozoobenthos. The clay fraction and abundance of macrozoobenthos has a negative correlation, high clay concentration low macrozoobenths abundance and correlation value of -0.18. Organic matter and abundance of macrozoobenthos has a moderate correlation, high organic material high macrozoobenthos abundance and correlation value 0.73.
Keywords: Sediment textures, organic matters; Macrozoobenthos; Tirang Beach Semarang
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