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Kajian Aspek Biologi dan Status Kepunahan Ikan Pari Yang Diperdagangkan di TPI Pantai Utara Jawa Tengah Setiati, Ning; Lestari, Novita Ayu; Partaya; Priyono, Bambang
Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) 2020: Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (543.628 KB)

Abstract

Ikan Pari memiliki karakter biologi yaitu fekunditas rendah, usia matang seksual lama, dan pertumbuhan lambat. Penelitian mengenai kajian aspek biologi dan status konservasi jenis-jenis ikan pari yang diperdagangkan di TPI Pantai Utara Jawa Tengah penting dilakukan mengingat semakian tingginya tingkat perdagangan, sehingga dikhawatirkan akan menghadapi kepunahan apabila tidak ada pengelolaan berbasis konservasi. Penelitian ini bertujuan untuk mengkaji aspek biologi dan statuskonservasi jenis-jenis ikan pari yang diperdagangkan di TPI Pantai Utara Jawa Tengah. Penelitian ini menggunakan metode deskriptif eksploratif. Pengambilan sampel dilakukan dengan cara purposive sampling. Berdasarkan hasil identifikasi ikan pari yang diperdagangkan terdiri dari 10 jenis, yaitu D. kuhlii, H. undulata, H. gerrardi, H. jenkinsii, P. sephen, T. meyeni, G. poecilura, R. ancylostoma, dan R. australiae. Berdasarkan penelitian aspek biologi tiap jenis ikan pari memiliki ciri karakteristik. Berdasarkan ciri tersebut, H. undulata dan H. gerrardi memiliki hubungan kekerabatan terdekat. Rasio kelamin paling ideal dijumpai pada D. kuhlii, H. gerrardi, H. jenkinsii, dan G. poecilura. Ikan pari yang didaratkan umumnya belum dewasa. Berdasarkan analisis status konservasi, 3 spesies termasuk kategori Critically endangered, 4 spesies termasuk kategori vulnerable, 2 spesies termasuk kategori near threatened, 1 spesies termasuk kategori data deficient. Berdasarkan tatus perdagangan CITES, 3 spesies yang termasuk kategori Appendix II dan 7 spesies lain belum dievaluasi.
Keanekaragaman Spesies Arthropoda di Badan Air dan Sekitar Mata Air Kecamatan Gunungpati, Kota Semarang: Diversity of Arthropod Species in Water Bodies and Around Springs in Gunungpati District, Semarang City Novianti, Ira; Nana Kariada Tri Martuti; Partaya; Sri Ngabekti
Life Science Vol. 14 No. 2 (2025): November 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/unnesjlifesci.v14.i2.28890

Abstract

Arthropods are the largest phylum in the Animalia kingdom that can live on land, in freshwater, in the sea, or in the air. Springs are bodies of water that seep out through cracks in rocks to the surface of the ground, serving as a habitat for various Arthropods and the Gunungpati district has several springs in its area. This study aims to analyze the diversity of arthropod species and to describe the abiotic and biotic factors that influence the diversity of arthropod species in the water bodies and around the springs in the Gunungpati district, Semarang City. The research was carried out from October to December 2022, located at five springs, among others. The research was conducted from October to December 2022 at five springs, namely Sendang Jedung, Sendang Lanang Trangkil, Sendang Ndelik, Sendang Mbiru, and Sendang Gede. The data collection method was purposive sampling. The approach used in this research is a quantitative approach with a descriptive research type. The research results showed a total of 1537 individuals and 112 species of arthropods, which included 146 individuals in water bodies and 1391 individuals around springs. The diversity index ranged from moderate to high, between 1.82-3.30. The dominance index values were low, ranging from 0.05-0.29, and the evenness index values fall within moderate to high criteria, ranging from 0.52-0.86. The Sorenson similarity index on the five ponds is considered low. Abiotic factors do not affect diversity too much because it has similar values in the five springs. Therefore, biotic factors (organic matter, litter, and surrounding vegetation) greatly influenced the diversity of arthropod species in water bodies and around the spring in Gunungpati District, Semarang City.  
Diversity and Distribution of Gastropods in the Southern Coastal Area of Gunungkidul, Yogyakarta Dyah Wahyu Setyaningsih; Partaya
Life Science Vol. 14 No. 2 (2025): November 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/unnesjlifesci.v14.i2.32014

Abstract

The southern coast of Gunungkidul, Yogyakarta, exhibits high gastropod diversity across varied substrates, offering a critical framework to study their distribution and ecological role in coastal ecosystem balance. This study aims to analyze the level of gastropod diversity and distribution in the Sundak Beach, Indrayanti Beach, and Drini Beach areas to support area management and maintain the survival of organisms and water productivity. Research was conducted using a 1x1 meter quadrat plot method systematically placed in the intertidal zone at three coastal locations. Data collection was carried out over a period of three months (October–December 2024). Gastropod species identification was based on shell morphological characteristics, while data analysis included calculations of the Shannon-Wiener diversity index (H’), Simpson dominance index (C), Pielou evenness index (E), abundance (ind/m2), and Morisita dispersion index (Id) to determine distribution patterns. Environmental parameters measured included temperature, pH, and salinity. The results found 23 gastropod species from 12 families across the three study locations, with high diversity values (H’ = 2.63), high evenness (E = 0.84), and low dominance (C = 0.10). The distribution pattern of most species was clumped, influenced by food availability and substrate characteristics. Environmental factors such as temperature (28–31°C), pH (7), and salinity (30–32%) supported the stability of gastropod communities. The findings are expected to provide scientific insight into their community structure and an understanding of the environmental factors influencing their abundance in the intertidal zone.
Co-Authors Bambang Priyono Dyah Wahyu Setyaningsih Lestari, Novita Ayu Nana Kariada Tri Martuti Ning Setiati Novianti, Ira Sri Ngabekti