Browsing by Author "Siregar, Sofyan Husein"
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Item ANALISIS PENILAIAN TINGKAT KEKUMUHAN KELURAHAN TANAH DATAR BERDASARKAN PERATURAN MENTERI PUPR NOMOR 14/PRT/M/2018(2019-09) Marni, Dewi; Siregar, Sofyan Husein; Suprayogi, ImamThe development of slums in urban areas is inseparable of the increases in population and population activity. In addition, undirected and unplanned development also supports the degradation of the quality of residential environment. One area that is included in the slum area is located in Tanah Datar Sub-District. The residential area of Tanah Datar Sub-District is right in the heart of Pekanbaru city. Thus, living conditions and the welfare of the people who live in these settlements greatly affect the face of a city. The characteristics and conditions of slums in each region is different. Thus, this study aims to identify the condition and level of slums of a residential area in order to determine alternatives to handling slum areas appropriately. The method used is exploratory descriptive of phenomena and facts relating to the condition of the community and the environment of slum areas based on the criteria of the Minister of PUPR Regulation Number 14/PRT/M/2018. The results showed that there were 5 RW were categorized as mild slums and 2 RW were categorized as not slums in Tanah Datar sub-district.Item The Composition Of Epiphytic Diatom On Nipah Trees (Nypa Fruticans) At Dumai River Estuary, Dumai City(2016-04-07) Siregar, Sofyan HuseinIn recent years, Dumai River Estuary has become one of area indicated increasing of polution caused by human activities. Nipah Trees is abundant found in this location. In directly, epiphytic diatom composition attached with Nipah Trees will be affected by river environtment. The aim of this research is to describe the composition of epiphytic diatom on Nipah Trees from several area at Dumai River Estuary. Epiphytic diatom sampel was collected by scrapping 5 x 5 cm on Nipah Trees from 5 station (from river mouth to river body) on July 2011. Water quality parameter was also meseured in the same time when diatom collected. Thirteen species (Actinocyclus ehrenbergi, Bacillaria paradoxa, Biddulphia granulata, Biddulphia reticulata, Coscinodiscus sp, Licmophora abbreviate, Melosira sp, Navicula sp, Pleurosigma sp, Rhizosolenia alata, Skeletonema costatum, Thalassiothrix frauenfeldii, Triceratum reticulum) were found at Dumai River Estuary. Morever, The number of diatom species were 3 species at mouth river estuary and was only 1 species at river body. The abundance of epiphytic diatom on Nipah Trees along Dumai River Estuary ranged from 1634 to 6536 cells/cm2. The highest abundance of epiphytic diatom was found at the mouth river estuary and was gradually tended to decrease toward river body. Beside that values of water quality parameters were varied along the river estuary, with Salinity ranged was from 1 to 24 ppt, pH was 4,8 to 7,Total Solid Suspence was 30 to 143 ppm, Current was 0.02 to 0.72, BOD5 was 4.2 to 9.0 ppm and COD was 10.8 to 43.2 ppm . Based on number and abundance spesies, water quality parameters that affected the composition of epiphytic diatom was currentItem POTENSI SOSIAL EKONOMI EKOSISTEM MANGROVE DI KABUPATEN BENGKALIS(2019-11) Mashur, Dadang; Sujianto, Sujianto; Siregar, Sofyan Husein; Putra, Ridwan MandaThe socioeconomic potential of the mangrove ecosystem is huge, as is the mangrove ecosystem in Bengkalis Regency. Mangrove ecosystem is a buffer and has a multifunctional. Physically, mangroves have an important role in protecting the coast from waves, winds, storms, keeping the coastline stable, preventing abrasion and intrusion, accelerating land expansion and protecting river banks and beaches. Ecologically, the mangrove ecosystem acts as a life support system for a variety of aquatic organisms and terrestrial organisms including the place of fish seeds, shrimp and shellfish, habitat for various birds, and other biota, as a nursery ground, feeding ground, and selter area. Socially and economically, mangrove ecosystems are the source of livelihoods of coastal communities including ponds, wood and non-timber forest products. In addition, mangrove ecosystems contribute to controlling global climate through carbon sequestration. This study uses qualitative methods by conducting in-depth interviews or in-depth interviews. The results found that the mangrove ecosystem in Bengkalis Regency has a value of direct use, value of indirect use, value of choice, value of existence and value of potential mangrove resources to be cultivatedItem TATA KELOLA KAWASAN MANGROVE TERINTEGRASI DALAM PERSPEKTIF GOVERNANCE DI INDONESIA KAJIAN TEORITIS DAN EMPIRIS(Elfitra, 2023-01) Mayarni, Mayarni; syahza, Almasdi; Siregar, Sofyan Husein; Khoiri, M. Amrul; Nasution, Mimin Sundari; Sulistyani, Andri; Hariyani, EkaMangrove adalah salah satu sumber daya yang mempunyai fungsi ekonomi, ekologis, dan fungsi fisik di wilayah pesisir. Sebagai salah satu ekosistem yang langka di dunia, Mangrove dapat dinilaikan dalam segala aspek seperti fisik, sosial, ekonomi, dan budaya masyarakat. Dalam hal ini dapat digunakan untuk menindaklanjuti abrasi dan peningkatan produktivitas masyarakat setempat. Salah satunya dengan menilaikan ekosistem secara keseluruhan ataupun penilaian nilai produk yang dihasilkan untuk memenuhi kebutuhan secara lestari.