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Journal : REKAYASA

Dampak Pemutihan Karang Keras pada Komunitas Ikan Karang dan Makrozoobenthos di Wilayah Perairan Tejakula, Buleleng, Bali Faiqoh, Elok; Karang, I Wayan Gede Astawa; Wiyanto, Dwi Budi
Rekayasa Vol 12, No 1: April 2019
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.274 KB) | DOI: 10.21107/rekayasa.v12i1.5290

Abstract

ABSTRAKPemutihan karang merupakan salah satu dampak dari perubahan iklim global, kenaikan suhu tersebut memberikan dampak negatif bagi keseimbangan ekosistem terumbu karang. ­Terumbu karang yang memutih dan kehilangan zooxanthella nya akan rentan terkena infeksi dan penyakit. Populasi komunitas ikan karang pemakan hewan karang dan makrozoobenthos juga akan menurun. Tujuan dari penelitian ini adalah untuk mengetahui besar dampak kerusa­kan terumbu karang dan dampaknya bagi populasi ikan dan makrozoobenthos. Survey dilakukan pada 3 titik di wilayah perairan Tejakula dengan metode reefcheck. Hasil penelitian menunjukkan kematian terumbu karang sebesar 5-7.5%, jumlah alga yang menutupi 3.125%. Kondisi ikan kepe-kepe yang merupakan pemakan hewan karang juga sudah ditemukan dalam jumlah cukup banyak. Keberadaan ikan herbivora dan makrozoobenthos herbivore membantu mengurangi jumlah alga yang menutupi. Sedangkan keberadaan ikan pemakan terumbu karang dan ikan predator memperlihatkan bahwa sistem ekologi yang ada di terumbu karang tersebut hampir kembali normal. Kata Kunci: terumbu karang, komunitas ikan karang, makrozoobenthos.The Impact of Hard Coral Bleaching in Coral and Macrozoobenthos Fish Communities in Tejakula, Buleleng, Bali Water AreasABSTRACTCoral bleaching is one of the consequences of global climate change, as the rise of temperature negatively impacts the ecological balance of reef ecosystems. Bleached coral reefs lose their zooxanthellae, increasing vulnerability to infection and disease and consequently, causing population decline of macrozoobenthos and reef fish communities which prey on coral-consuming organisms. This research aims to determine the degree of coral reef damage and its impact on fish and macrozoobenthos population. The survey was conducted on 3 stations in Tejakula waters with the reef check method. Results show that coral reef death reaches 5-7.5%, with algal coverage of 3.125%. Kepe-kepe fish which prey on coral-consuming animals were also found in relatively high abundance. The presence of herbivore fish and macrozoobenthos help reduce algal cover. Meanwhile, the presence of coral-consuming and predator fish indicate that the coral reef ecological system has mostly returned to normal. Keywords: coral reef, reef fish community, macrozoobenthos
Struktur Komunitas Ekosistem Pesisir (Lamun dan Mangrove) di Desa Sulamu Nusa Tenggara Timur Ariandini, Yovita; Faiqoh, Elok; Hendrawan, I Gede
Rekayasa Vol 14, No 2: Agustus 2021
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v14i2.10969

Abstract

East Nusa Tenggara Province (NTT) is an archipelago province located in the south of Indonesia has a sea area of 200,000 km2 (outside ZEEI) in it has marine resources and fisheries that can be developed for the benefit of the community. Seagrass and mangrove ecosystems play an important role for the environment both physically and ecologically. To know the condition of the ecosystem, it is necessary to conduct research on the community structure of seagrass and mangrove ecosystems. This research was conducted in Sulamu Village, Kupang waters in November 2018. Each ecosystem is sampling as many as 3 stations with 3 stations each. From the results obtained, found 7 species of seagrass in salamu village waters namely Halodule pinifolia, Thalassia hemprichii, Cymodocea serrulate, Enhalus acoroides, Halophila ovalis, Cymodocea rotundata, and Halodule uninervis. Seagrass density obtained is the highest 2847 tgk/m2 and the lowest 1392 tgk/m2 with stable community conditions. In mangrove ecosystems found 11 types of mangroves found in sulamu waters namely Avicennia alba, Osbornia octodonta, Bruguiera parviflora, Aegiceras corniculatum, Rhizopora mucronata, Sonneratia alba, Rhizopora apiculata, Xylocarpus granatum, Limnitzera racemosa, Gymnanthera paludosa and Nypa frutican. The mangrove community structure in the waters of Salamu Village is unstable and dominating.
Co-Authors A. A. Md. Ananda Putra Suardana Abd. Rahman As-syakur Agus Alfiyan Nur Ahmada, Muhamad Agustina, Siti Rodliyah Eka Aji Wahyu Anggoro Ali Mashar Allamah, Labibah Alvina Rahmayanti Amalia, Dwi Risky Anak Agung Istri Candra Kirana Andri Octapianus Purba Andrianus Sembiring Andrianus Sembiring Anggita Della Lestari Anisa Setyawati Ari Pratama, Yoga Ariandini, Yovita Aulia Dharma Nusa Pangestu Ayu, Inna Puspa Beginer Subhan Binti Nur Asiyah Budi Santoso Carolina Asrin Cornelia Coraima Lazaren Dede Nurohman Denisa, Ayu Dewa Ayu Wedha Astiti Dwi Budi Wiyanto Dwi Budi Wiyanto Enex Yuniarti Ningsih Erinda, Adysa Febriyanto Arifin ferdi ardiansyah, ferdi Frida Purwanti Gede Surya Indrawan Hanifa Miranda I.H. Putri Hardianti Hardianti, Hardianti Hariyanto, Ropik Henny Hayati Heru Wicaksono I Dewa Nym. Nurweda P., I Gede Budi Astrawan I Gede Budi Astrawan I Gede Hendrawan I Gusti Ayu Dian Indraswari I Gusti Ayu Ricca Mahatma Putri I Gusti Bagus Sila Dharma I Gusti Bagus Sila Dharma I Gusti Ngurah Agung Dhananjaya I Gusti Ngurah Putra Dirgayusa I Kadek Dedy Antara Putra I Ketut Budiarta I Ketut Dedi Ariawan I Ketut Suada I Made Raditya Putra I Putu Irpan Aditanaya I Putu Sugiana I Putu Sugiana I Wayan Arthana I Wayan Eka Dharmawan I Wayan Eka Dharmawan I Wayan Gede Astawa Karang I Wayan Juliantara Putra IDA AYU ASTARINI Ida Bagus Indra Danendra Ikha Listyarini Indana Hilyatun Nafisah Indri Astutik Isaroh, Nila Latifatul Istri Pradnyandari Dewi, I Gusti Ayu Jatmiko, Dadang Heru Kadek Weda Ari Bhawana Kadek Yudiastuti Kisyanto, Edy Komang Indah Vitri Lestari Listyarini, lkha Lucia Hendrati, Lucia Luh Putu Puspita Dewanti Lutfinisa, Nur Aini Made Ayu Pratiwi Mashudi Mashudi Maulidia, Nur Fariha Mohammad Mukhlis Kamal Mubarika, Melinda Putri Muhammad Danie Al Malik Munawir Munawir Munawir Mushab Al Umairi Ngurah Ayu Nyoman Murniati Ni Luh Astria Yusmalinda Ni Luh Gede Widya Bintang Gustavina Ni Made Dewi Damayanti Ni Putu Ayu Aryanti Ni Putu Eva Damayanti Ni Wayan Loviasari Noorrahman, Handy Triya Nugroho, Agung Pande Ditha Prasatia Pratama, Yoga Ari Prissanty, Anne Aninditha Putra, Alexander Vito Dharma Putra, I Nyoman Giri Putra, I Nyoman Giri Putra Putu Dian Pertiwi Putu Eva Setiawati Putu Satya Pratama Qomarul Huda, Qomarul Raharja, Mediana Emilia Raharjo, Totok Dwi Ranny R. Yuneni Ratih Permitha Syury Rizky Ramadhan Rohmah, Siti Lailatur Samantha Julia Blandina Lumban Tobing Sansabhilla, Faradiva Septi Novita Sari Siti Fatimah Siti Rudiyanti Siti Thomas Zulaikhah Susilawati, Susilawati Suyoto Suyoto Syam, Ferawaty Umar, Nugrah Juniar Vita Paramita Wahyudi, Pamungkas Tri Widiastuti Widiastuti Widya Rizky Pratiwi, Widya Rizky Wiratama, I Gusti Ngurah Made Yaniawati, Poppy Yaqin, Achmad Haqqul Yuliana Fitri Syamsuni Yuliastri, Windriyani Yuniarti K. Pumpun Yuspita, Ni Luh Eta