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Journal : Bioma : Berkala Ilmiah Biologi

Dinamika Populasi Wideng (Sesarma spp) dan Tangkapan (Populasi) Scylla di Kawasan Mangrove Tapak, Tugurejo Semarang : Suatu Kajian Pemberdayaan Predator untuk Mengendalikan Wideng Hama Bibit Mangrove Berbasis Manajemen Ekosistem Hidayat, Jafron Wasiq; Anggoro, Sutrisno; Hendrarto, Ign Boedi
Bioma : Berkala Ilmiah Biologi Vol. 14, No. 2, Tahun 2012
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (405.673 KB) | DOI: 10.14710/bioma.14.2.49-63

Abstract

Kondisi kerusakan hutan mangrove sudah sangat memprihatinkan. Gangguan hama wideng (Sesarma spp) mempengaruhi keberhasilan penghijauan. Wideng merupakan hama minor yang dapat bergeser sifatnya jika populasinya tinggi pada kondisi tertentu. Oleh karena itu perlu dilakukan penelitian tentang dinamika populasi wideng, sehingga dapat mengetahui waktu kapan wideng berpotensi menjadi hama. Kajian yang sama juga ditujukan terhadap pemangsa potensialnya yaitu Scylla yang ditujukankan untuk mengetahui tekanan  predator terhadap wideng dan peluang pemberdayaannya sebagai pakan budidaya. Penelitian bersifat observasional yang dilakukan di kawasan mangrove Tapak, Tugurejo. Sampling dilakukan di enam stasiun yang dipilih secara justified random sampling. Kajian eksperimental menggunakan Rancangan Acak Lengkap(RAL) dengan tiga perlakuan dan tiga ulangan yang dilanjut dengan uji Beda Terkecil. Hasil memperlihatkan bahwa populasi wideng mengikuti pola unimodal dengan puncak populasi pada bulan Nopember mencapai 30/m2.Kepiting Scylla memasuki musim tangkap sejak Oktober hingga Maret dan mencapai puncaknya pada bulan Pebruari. Kepadatan populasi tersebut selaras dengan keberadaan wideng yang juga tinggi populasinya, sehingga dapat dipergunakan sebagai pakan budidaya sekaligus menekan sifat hamanya.Kepiting bakau menyukai wideng pada semua ukuran, dimana tidak membedakan ukuran badan wideng mangsanya  pada hari ke-5, meskipun pada hari ke-3 memperlihatkan kecenderungan menyukai ukuran badan yang kecil; sehingga wideng bersifat fleksibel sebagai pakan budidaya Scylla.   Kata kunci : Dinamika populasi, wideng, Scylla spp, tingkat predasi
Identification of water conservative tree species with high economic value around “Sendang Kalimah Toyyibah” Wiryani, Erry; Anggoro, Sutrisno; Mulyani, Sri
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.108 KB) | DOI: 10.14710/bioma.19.2.104-118

Abstract

Spring conservation require serious concern on the economic advantages for the society. Without economic advantages achieved from the conservation activities, the conservation programme should face intense conflict of land utilization. Plantation of economically valuable conservative plant species is one of the proposed solution to overcome the problem. This research aimed to identify the economic value of conservative plant species found in “Sendang Kalimah Toyyibah” surrounding. Research was conducted through field observation involving 4 line transects and 4 square transects at each line with transect size of 20 m x 20 m. Plant identification was conducted for tree strata. Data analysis was including diversity, evenness and importance index of respective plants. Economic valuation was conducted through literature study. The result showed there were 28 plants species availabile in “Sendang Kalimah Toyyibah” surrounding. Among the plant species 22 of the had been identified to provide conservative function, while 6 of them weren’t including Banana, Papaya, Melinjo, Pangi, Longan and Stink Bean. Instead of providing conservative function, most plants also provide economic advantages including wood, fruit, flower, bud, leaf, fibre, sugar, peel and bean products while only 3 of them were not identified including Banyan, Manila Tamarind and Amboyna Wood. Plantation of economically valuable conservative plant species is recommended to support the conservation of the spring as well as to provide economic advantage for the society. Keywords: conservation, economic, plant, “Sendang Kalimah Toyyibah”, spring
Penurunan Kepadatan Eceng Gondok (Eichhornia crassipes (Mart.) Solms) di Danau Rawapening dengan Memanfaatkannya sebagai Bahan Dasar Kompos Prasetyo, Syarif; Anggoro, Sutrisno; Soeprobowati, Tri Retnaningsih
Bioma : Berkala Ilmiah Biologi Vol. 23, No 1, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.1.57-62

Abstract

High sedimentation and the entry of organik and inorganik pollutants, especially P and N, have led to the eutrophication of Rawapening Lake waters. These conditions triggered an uncontrolled booming of water hyacinth aquatic weed (Eichhornia crassipes (Mart.) Solms). The presence of water hyacinth triggers a significant loss of water compared to local weeds through evapotranspiration. The invasion of water hyacinth causes various problems, including depletion of water oxygen content which has an impact on decreasing fish production, damaging natural beauty, and also affecting public health. Many efforts to control water hyacinth in Rawapening Lake have been carried out both physically and by utilizing biological agents. One of the efforts to control the density of water hyacinth in Rawapening Lake is to use it as compost raw material. Water hyacinth contains various elements that are useful for making quality compost, including calcium (Ca), sodium (Na), potassium (K), iron (Fe), copper (Cu), and others. Water hyacinth root contains sulfates and phosphates, the leaves contain carotin and the flowers contain delphinidin-3-diglucosida. The various nutrients contained in water hyacinth make quality compost capable of meeting the nutritional needs of cultivated plants. This article aims to review the use of water hyacinth as a basic material for making compost which is useful for fertilizing agricultural cultivation activities
Co-Authors - Djuwito - Subiyanto . Supriharyono Adelia Khrisna Putri agung Suryanto Agus Hartoko Agus Hartoko Akbar Aryansyah Alifhannizar Marwadi Alva W, Silvia Silvia Grandies Anastia Afika Riza Anhar Solichin Anita Karolina Arif Budi Wibowo Arum Siwiendrayanti Azis Nur Bambang Aziz Nur Bambang Bambang Sulardiono Bambang Yulianto Boedi Hendrarto Dewi, Kartika Puspita Diana Chilmawati Diana Chilmawati Diana Rachmawati Djoko Suprapto Djuwito Djuwito Dwi Mulyasih Dwi Purwantoro Sasongko Dwi Setyoningsih, Dwi Effendy, Irwan Junaedi Erry Wiryani Estherina Magdalena, Estherina Faizin, Khabib Ahsanul Farah Nabila Noersativa Fatima, Shintia Nurul Frida Purwanti Gina Saptiani Hadi Endrawati Haeruddin Haeruddin HARIADI SISWANTORO Haris, Rangga Bayu Kusuma Harisya Diah Suprobo Hartati Dwi Yuningsih Hartuti Purnaweni Henna Rya Abdurachim Herman Yulianto Hermin Pancasakti Kusumaningrum Herry Boesono Husna El Iksiroh I Nyoman Dodik Prasetia I. Kumalasari Imai Hideyuki Irwani Irwani Isna Yunita Rahmawati Ita Widowati Jafron Wasiq Hidayat Johanes Hutabarat Johanes Hutabarat Johannes Hutabarat Jusup Suprijanto Lachmuddin Sya’rani Lachmuddin Sya’rani Lustianto, Anggi Febri Ma'in, M Mostafa Imhmed Ighwerb Muhammad Fadil Muttaqin, Muhammad Fadil Muhammad Zainuri Muhammad Zainuri Muliawati Handayani Mutiara Salsabiela Najib Najib Najib Najib Najib, Najib Niniek Widyorini Norma Afiati Noviana Indrayani Nurbambang, Azis Nurjazuli Nurjazuli Prasetyo, Syarif Prijadi Soedarsono Pujiono Wahyu Purnomo Putu Cinthia Delis Qadar Hasani Retno Hartati Reza Maulana Richa Rizki Budiasti Rose Dewi Rose Dewi Said Abdusysyahid Sansistya Dita Novian Santi, Yulia Saridu, Siti Aisyah Setia Budi Sasongko Siti Rudiyanti Slamet Budi Prayitno Sri Mulyani Subagiyo Subagiyo Sugiarti, Eka Suminto Suminto Suminto Suminto Supriharyono Supriharyono Supriharyono, . Supriyati, Siti Suryanti Suryanti - Susanti, Renita Syarani, Lachmudin Temmy Temmy Titik Susilowati Titin Liana Febriyanti Tjahjo Winanto Tri Retnaningsih Soeprobowati W. Nugroho Satrioajie Wahju Krisna Hidajat Widianingsih Widianingsih Wirasatrio, Fauzima Dwi Yuliani, Tina Anggun Yunita Asrofania Rahmawati