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Sri Puji Astuti
Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Mataram
Religion Agriculture, Biological Sciences & Forestry Arts Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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JENIS ALGA MERAH (RHODOPHYTA) PADA EKOSISTEM HUTAN MANGROVE DI DUSUN EKAS, KABUPATEN LOMBOK TIMUR Mursal Ghazali; Rika Rahmawati; Sri Puji Astuti; Sukiman Sukiman
Fish Scientiae Vol 8 No 1 (2018): Issue June-Fish Scientiae Journal
Publisher : Faculty of Fisheries and Marine Resources of Lambung Mangkurat University-South Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.283 KB) | DOI: 10.20527/fishscientiae.v8i1.127

Abstract

Mangrove ecosystem is a unique ecosystem with a mix of marine and terrestrial environment. Mangrove forests provide food and nutrients for other organisms such as fish,crustaceans, and algae. Red algae play an important role in maintaining the balance of ecosystems and food chains. This study aims to determine the types, morphological characteristics and key identification, the relationship of red algae types and substrate types to the ecosystem of mangrove forest in Dusun Ekas. This research is explorative descriptive by using purposive sampling method at 5 stations. Based on the results of the red algae study obtained as many as 14 species are: Bostrychia sp., B. radicans, B. tenella, Chondria sp., Laurencia sp., Polysiphonia sp., Murrayella sp., C. Leprieurii, C. Monostica, Gelidium sp ., Gelidium crinale, Catenella caespitosa, Catenella nippae and Catenella sp.Characteristics of the talus were found to have a cylindrical talus and some like leaves (blade). Red algae (Rhodophyta) found more in the station that dominated by Soneratia alba species.
In Vitro Evaluation of Seagrass Extracts as a Prevention of Microfouling Formation Keti Fitri; Sri Puji Astuti; Ahmad Jupri; Faturrahman Faturrahman
Jurnal Biologi Tropis Vol. 22 No. 4 (2022): October - December
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i4.4097

Abstract

Microfouling is the attachment and colonization of bacteria and microalgae on the surface of objects immersed in the sea. So far, the control of biofouling on the surface of marine hulls has been using paints containing Tributylin Organotin (TBT) which have adverse effects on non-target organisms and are not friendly to the environment. The development of environmentally friendly antifouling paint is a solution to overcome the growth of biofouling. This study aimed to evaluate in vitro extract of Thalassia hemprichii as an anti-microfouling agent. Extraction of bioactive from Thalassia hemprichii was carried out by maceration. The filtrate is divided into five kinds of concentration, namely 0%, 25%. 50%, 75%, and 100% were then added to paint A as an anti-microfouling agent. The observed variables were microfouling biomass and the density of bacteria and microalgae attached to the steel plate. The results showed that with increasing concentration applied to the plate caused a decrease in the number of bacteria. The average decrease in each bacterial concentration was 84 x 10^6 CFU/mL, 65 x 10^6 CFU/mL, 41.5 x 10^6 CFU/mL, 28.7 x 10^6 CFU/mL, and 15.8 x 10^6 CFU/mL, respectively. Microalgae attached to the steel plate also experienced a reduction with the average values sequentially being 37 x 10^4 cells/mL, 14 x 10^4 cells/mL, 8 x 10^4 cells/mL, 5 x 10^4 cells/mL, and 2 x 10^4 cells/mL. Likewise, the microfouling biomass on steel plate also decreased in amount with the average values being 99.27 mg, 93.4 mg, 66.43 mg, 59.13 mg and 30.2 mg, respectively. Thus, Thalassia hemprichii extract has the potential to prevent the formation of microfouling.
The Effectiveness of CO2 Absorption Between Phytoplankton and Seagrass Beds in The West Sekotong Intertidal Zone of Lombok Island Sri Puji Astuti; Ika Puspita Dewi; Siti Rosidah; Sari Novida; Eka S Prasedya; Dining A Candri; Hilman Ahyadi
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.4769

Abstract

The increasing sea surface temperature could be approved CO2 levels on the coast. It has been assumed the primary productivity in the intertidal zone was to absorb CO2 from the water column for photosynthesis. In addition, the substrate floor has a potential source of CO2 from decomposers. Phytoplankton and seagrasses are the primary productivity in the intertidal zone. Both of them have chlorophyll, they maintain the CO2 as a carbon source to move the photosynthetic systems to develop the metabolism of the body's cells. The measurements were made of the leaves and rhizomes of all the seagrass species. The absorption process was clarified by measuring the growth rate, percent LOI, and percent carbon in the whole body of the Tetraselmis sp and Dunaliella sp, which were phytoplankton species isolated from seagrass ecosystems. Enhalus acoroides (Ea) had the highest carbon content.  On the other hand, Halophila ovalis and Halophila minor are the lowest carbon due to the distribution of Ea being the widest, they were found in all of the sampling areas. In addition, the factor that was supported was due to its high growth rate ability. Phytoplankton and seagrass on the coast of Sekotong Barat absorb CO2 in the water column and floor of the sediment (carbon sink). The presence of a different increase in carbon content between Tetrasemis sp and Dunaliella sp indicates, the species of phytoplankton respond differently to CO2 stress in the ocean.
TEKNIK PENGANGKUTAN BIBIT POHON GYRINOPS VERSTEEGII ANTAR PULAU DENGAN SELAMAT Tri Mulyaningsih; Aida Muspiah; Sri Puji Astuti; Madani Madani; Erni Yuhana; Bq. Zulifa Hemidia; Maulia Sustiana; Gita Qolby Ummatullah; Moh Andi S
Jurnal Pepadu Vol 4 No 2 (2023): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v4i2.2657

Abstract

Pohon gaharu yang tersebar di pulau Lombok adalah jenis Gyrinops versteegii (Gilg.) Domke, yang termasuk ke dalam suku Thymelaeaceae, keberadaan di alam semakin terancam. Hal ini disebabkan tidak hanya perburuan liar tetapi juga terjadinya alih fungsi hutan alam menjadi ladang, kebun, jalan, pertambangan dan lain-lainnya. Untuk menanggulangi hal tersebut maka perlu adanya upaya penyelamatan (konservasi) secara Ex situ pohon gaharu untuk berbagai macam provenan yang tersebar di NTB. Konservasi ex situ pohon Gaharu, telah dimulai tahun 2019 dengan menanam pohon ketimunan provenan Soyun, Pantai dan Madu yang berasal dari wilayah Pulau Lombok. Dalam pengangkutan dan pemindahan bibit gaharu antar pulau (seperti dari pulau Sumbawa ke Lombok, atau sebaliknya) sering terjadi kegagalan, sebagian bibit mengalami kematian. Kegiatan ini diperlukan teknik pengangkutan bibit gaharu dari satu pulau ke pulau lainnya dengan selamat dan bibit tetap hidup. Tujuan kegiatan ini bersama mitra Kelompok Wanatani Pusuk Lestari, yang sekaligus sebagai pesanggem HKM desa Pusuk Lestari, Lombok Barat, adalah pelatihan pengangkutan bibit pohon gaharu atar pulau agar bibit tetap segar dan hidup. Hasil kegiatan pengabdian adalah dimulai dari pemesanan bibit dari desa Maria, Bima, Sumbawa, pengambilan bibit dari tempat pembibitan secara benar, pengangkutan bibit yang baik dan benar, pengadaptasian bibit sebelum tanam. Setelah bibit beradaptasi dan mengalami pertumbuhan yang optimal, selanjutnya diberi perlakuan hardening (diletakkan pada areal dengan intensitas yang lebih tinggi), sebagai persiapan untuk penanaman di lapangan.
PENDAMPINGAN IMPLEMENTASI KURIKULUM MERDEKA DALAM PENINGKATAN KOMPETENSI PENDIDIK PAUD DI PAUD SE-KECAMATAN CURUP TENGAH KABUPATEN REJANG LEBONG Mina Putra, Muksal; Amrillah, H.M Taufi; Puji Astuti, Sri; Ningtyas, Amanah Rahmah
Journal of Community Empowerment Vol. 3 No. 1 (2025): Penguatan Peran Keluarga dalam Pendidikan dan Pemberdayaan Masyarakat di Era Di
Publisher : UPP FKIP UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jacom.v3i1.39979

Abstract

Tujuan kegiatan pengabdian masyarakat ini memberikan pendampingan pada Satuan Lembaga dalam dalam implementasi kurikulum merdeka dalam meningkatkan kompetensi pendidikan PAUD se kecamatan Curup tengah Labupaten Rejang Lebong.. Kegiatan Pengabdian Masyarakat ini dilaksanakan di salah satu lembaga TK di Kabupaten Rejang Lebong dengan mengumpulkan satuan lembaga yang dalam wilayah Kecamatan Curup Tengah. Adapun hasil kegiatan yang telah dilaksanakan yaitu keterbatasan waktu pertemuan mengakibatkan tidak semua materi dapat disampaikan dengan detil. Kegiatan yang diawali dengan ceramah dan demonstrasi ini kemudian dilanjutkan dengan praktek. Dari kegiatan pendampingan Kurikulum Merdeka guru-guru PAUD belum sempurna dalam memahami implementasi Kurikulum Merdeka. Dengan adanya pendampingan implementasi Kurikulum Merdeka ini mampu membuat guru-guru memahami konsep dan membuat perangkat pembelajaran sesuai dengan Kurikulum Merdeka.
Health Status of Seagrass Beds in Intertidal Zone of West Sekotong West Lombok Anisa Nurfitriani; Dining Aidil Candri; Sri Puji Astuti; Hilman Ahyadi; Suripto
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.7605

Abstract

The coastal waters of West Sekotong possess significant potential in fisheries and marine resources. Seagrass is one of the key biotas contributing nutrients to support the fertility of surrounding waters. This study, conducted from May to July 2021 aimed to identify seagrass species and assess the health status of seagrass bed based on percentage cover and ecological indices. The research method used was purposive sampling with three research stations and systematic random sampling with transects. Based on the research that has been conducted, the following results were obtained seven seagrass species from two families. Hydrocharitaceae families (Enhalus acoroides, Thalassia hemprichii, Halophila ovalis, Halophila minor) and Cymodoceaceae families (Cymodocea rotundata, Cymodocea serrulata, Halodule pinifolia). The highest species density was H. pinifolia (119.47 ind/m²), with the highest important value index at station 1 (H. pinifolia 89%), station 2 (T. hemprichii 205%), and station 3 (E. acoroides 300%). Station 1 had the highest diversity and uninformity index, while station 3 was dominated by single species. Seagrass cover ranged from 31–48.33%, indicating unhealthy conditions, although environmental parameters remained within suitable ranges for seagrass growth.
Sebaran jenis Fitoplankton pada Ekosistem Mangrove, Lamun dan Terumbu Karang di Perairan Sekotong Barat, Lombok Barat Aina Ul Mardiati; Dining Aidil Candri; Sri Puji Astuti; Hilman Ahyadi; Sukiman
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.8164

Abstract

The West Sekotong coastal area, which includes mangrove, seagrass, and coral reef ecosystems, is rich in marine biota, particularly phytoplankton communities. These ecosystems have been designated as conservation areas; however, increasing exploitation and disturbances in the region have impacted the presence and distribution of phytoplankton. This study aimed to assess the distribution, abundance, and species diversity of phytoplankton across these three ecosystems. Using purposive sampling, phytoplankton communities were identified microscopically, revealing a total of 742 phytoplankton cells, with 264 cells in the mangrove, 258 cells in seagrass, and 220 cells in the coral reef ecosystems. The class Bacillariophyceae dominated across all ecosystems. Specific species dominance varied, with Skeletonema costatum prevailing in mangroves, Nitzschia sigmoidhea in seagrass, and Coscinodiscus radiatus in coral reefs. The highest similarity index (35.89%) was observed between mangrove and seagrass ecosystems, while the lowest (30.87%) occurred between mangrove and coral reefs. The species richness index (R) was high in all ecosystems, ranging from 6.45 to 10.26, and dominance indices were low, indicating a balanced community structure. Environmental parameters measured across the ecosystems showed no significant differences and met the quality standards for marine biota as per KEPMENLH No 51 2004.
Co-Authors Ahmad Jupri Aida Muspiah AIDA MUSPIAH Aina Ul Mardiati Aluh Nikmatullah Amrillah, H.M Taufi Anisa Nurfitriani Arben Virgota Baiq Farista Bq. Zulifa Hemidia Dinda Sekar Ayu Dining A Candri Dining Aidil Candri, Dining Aidil Eka Prasedya Sunarwidhi Eka S Prasedya Erni Yuhana Evy Aryanti Evy Aryanty Faturrahman Gita Qolby Ummatullah Haris Suparman Hilman Ahyadi Hilman Ahyadi Ika Puspita Dewi Immy Suci Rohyani Isnaini Marliana Keti Fitri Lalu Dimas Akbar Rido Aji Madani Madani Marpatulliana Marpatulliana Maulia Sustiana Mina Putra, Muksal Moh Andi S Mursal Gazhali Mursal Ghazali Ningtyas, Amanah Rahmah Novida Sari Pardede Shinta Trilestari Rika Rahmawati Rika Rahmawati RINA KURNIANINGSIH Rizkia Apriani Sari Novida Sebastian Aviandhika Siti Rosidah Sri Rizkiyani Sukiman . Sukmaraharja Aulia Rachman Tarigan Suripto Suripto Tri Mulyaningsih Tri Mulyaningsih