Home
→
UR - Student Paper Degree
→
Faculty of Mathematics and Natural Sciences
→
Biology
→
Browsing Biology by Title

Browsing Biology by Title

Now showing items 328-347 of 401

SELEKSI AKTINOMISETES DAN KAPANG LIGNINOLITIK PENDEGRADASI SELULOSA ASAL TANAH GAMBUT RIMBO PANJANG KABUPATEN KAMPAR RIAU

Sianturi, Irayana; F, Bernadeta Leni; Martina, Atria (2013-05-15)

Peatland conversion activities to become rubber and palm oil plantation can cause accumulation of cellulose. Sixty nine isolates of actinomycetes and 102 isolates of ligninolytic molds were isolated from peatland areas ...
SELEKSI BAKTERI ASAM LAKTAT LOKAL PENGHASIL EKSOPOLISAKARIDA DAN OPTIMASI PRODUKSI PADA VARIASI SUHU, WAKTU INKUBASI SERTA MEDIUM FERMENTASI

Lestari, Defy Indah (Elfitra, 2022-01)

Exopolysaccharides (EPS) are secondary metabolites produced by microorganisms, EPS is produced by lactic acid bacteria (LAB) under unfavorable conditions. The purposes of this study were to select LAB capable of producing ...
SELEKSI KEMAMPUAN BAKTERI PELARUT FOSFAT ASAL BUKIT BATU-RIAU DALAM MENGHASILKAN ASAM SIANIDA

Aprillia, Pristiana; Zul, Delita; Fibriarti, Bernadeta Leni (2014-03-28)

Phosphate solubilizing bacteria (PSB) is beneficial bacteria which are not only capable in solubilizing organic phosphate into inorganic phosphate, but also producing cyanide acid (HCN). HCN plays a role in controling ...
SELEKSI MIKROBA SELULOLITIK DALAM MENDEGRADASI LIGNIN ASAL TANAH GAMBUT DESA RIMBO PANJANG KABUPATEN KAMPAR RIAU

Adlini, N. I; Fibriarti, B. L.; Roza, R. M. (2014-03-28)

Peatland conversion activities into plantation can cause a low level of decomposing organisms growth, so the process of decomposition organic materials such as lignin and cellulose occurs imperfectly. ...
SKRINING DAN KARAKTERISASI ISOLAT JAMUR PENDEGRADASI PLASTIK HIGH DENSITY POLYETHYLENE (HDPE)

Farahiyah, Finny (Elfitra, 2022-07)

High density polyethylene (HDPE) is one of the sources of environmental pollution since it is naturally difficult to be degraded. Biodegradation by microorganism is an effective approach to reduce the amount of plastic ...
SKRINING JAMUR PENDEGRADASI PLASTIK LOW DENSITY POLYETHYLENE (LDPE)

Zuliani, Afni (2021-02)

The use of plastic bags made from low density polyethylene (LDPE) is one of the main sources of environmental pollution, because it degrades very slowly in nature so that it accumulates in large quantities in the ...
STATUS REGENERASI VEGETASI POHON SIALANG DI DESA DUNDANGAN, KABUPATEN PELALAWAN

Perial, Peri; Khairijon; Fitmawati (2013-07-30)

This study aimed to determine the regeneration status of Sialang tree. This study had been conducted from November 2012 to December 2012 in Kepung Sialang forest, Dundangan Village, Pangkalan Kuras, Pelalawan District, ...
STRUKTUR ANATOMI BATANG KELEMBAK (Rheum officinale Baill.)

Nurhasanah, Nurhasanah (2021-01)

Rhubarb (Rheum officinale Baill.) is a species that belongs to Polygonaceae family. Rhubarb has long been used in the traditional medicine. The metabolites contained in rhubarb are rhein, emodin, chrysophanol and flavonoids. ...
STRUKTUR ANATOMI PERBANDINGAN AKAR BIBIT KELAPA SAWIT (Elaeis Guineensis Jacq.) DENGAN CEKAMAN PENGGENANGAN DI LAHAN GAMBUT DAN TANPA CEKAMAN PENGGENANGAN

Septiani, Andi Astri (2020-11)

The palm oil plant (Elaeis guineensis Jacq.) has survival in flooding conditions on peatlands. However, the connection between oil palm resistance and responses to the anatomical structure of the root was still unknown. ...
STRUKTUR DAN KOMPOSISI VEGETASI POHON PADA HABITAT SIAMANG (Symphalangus syndactylus) DI KAWASAN SUAKA MARGASATWA BUKIT RIMBANG BUKIT BALING BAGIAN SELATAN PROVINSI RIAU

Soleha, Endang (2020-08)

Siamang (Symphalangus Syndactylus) is primate speciesclassified as arboreal since it does all of daily activities on tree canopies closely.This study was carried out from April to July 2017 in Suaka Margasatwa Bukit ...
STRUKTUR DAN REGENERASI VEGETASI MANGROVE DESA SUNGAI ASAM KECAMATAN RETEH INDRAGIRI HILIR

Misnawati, Misnawati (2020-09)

Mangrove forest is an ecosystem found in tidal areas affecting other ecosystems in the area. If an ecosystem is damaged or disturbedthen surrounding ecosystem will be affected. Good management (rehabilitation) of mangrove ...
STRUKTUR GINJAL BENIH IKAN BAUNG (Hemibagrus nemurus Blkr.) AKIBAT TERPAPAR KONSENTRASI SUBLETHAL MERKURI (Hg)

Nofianingrum, Wistia; Yusfiati; Windarti (2016-01-26)

Heavy metals are serious pollutants in the aquatic environment, as they are persistence and can be accumulated in the body of aquatic organisms. A research on the kidney structure of Hemibagrus nemurus Blkr. that was exposed ...
STRUKTUR HATI BENIH IKAN BAUNG (Hemibagrus nemurus Blkr.) AKIBAT TERPAPAR KONSENTRASI SUBLETHAL MERKURI (Hg)

Lestari, Dhienya Cinintia; Yusfiati; Windarti (2016-01-28)

Mercury is a dangerous pollutant in the aquatic environment. It is persistence and in low concentration it can be accumulated in aquatic organism. In high concentration, however, it may negatively affects the organisms. ...
STRUKTUR HATI IKAN SELAIS (Ompok hypophthalmus Bleeker, 1846) DI PERAIRAN SUNGAI SIAK KOTA PEKANBARU

Rahmadani, Arieska Putri; Yusfiati; Elvyra, Roza (2013-07-26)

The research on liver structure of Selais fish (Ompok hypophthalmus Bleeker, 1846) from Siak River Pekanbaru was conducted to find out the condition of liver tissue. The result sampling was conducted from November 2012 ...
STRUKTUR INSANG IKAN BAUNG (Hemibagrus nemurus Blkr.) AKIBAT TERPAPAR KONSENTRASI SUBLETHAL MERKURI (Hg)

Abyadh, Nurul; Yusfiati; Windarti (2016-01-28)

Mercury is one of dangerous pollutant in the aquatic environment and can be accumulated in aquatic organism. High concentrations and long time exposure of mercury causes on death fish. This research aims to understand ...
STRUKTUR KOMUNITAS MAKROFAUNA DI KAWASAN MANGROVE DESA TANJUNG LEBAN DAN BUKIT BATU, KABUPATEN BENGKALIS

Afrimaini; Mahatma, Radith; Khairijon (2016-01-28)

Information on community structure of macrofauna in Indonesian mangrove areas is still limited. The aimed of this research was to assess the community structure and abundance of macrofauna in Tanjung Leban and Bukit Batu, ...
STRUKTUR KOMUNITAS MEIOFAUNA DI KAWASAN MANGROVE DESA BUKIT BATU DAN TANJUNG LEBAN, KABUPATEN BENGKALIS

Arni, Dewi Putri; Mahatma, Radith; Khairijon (2016-01-28)

The information of meiofauna community structure of mangrove areas in Indonesia is still limited compared to the mangrove area. This study aimed to assess the community structure and abundance of meiofauna in mangrove ...
STRUKTUR KOMUNITAS MEIOFAUNA DI KAWASAN MANGROVE DESA TELUK UMA KABUPATEN KARIMUN

Suryani; Mahatma, Radith; Khairijon (2014-04-14)

Information on meiofauna community structure in Indonesian mangrove areas is still limited compared to its vast areas. This study aimed to assess the community structure and abundance of meiofauna on four stations in ...
STRUKTUR KOMUNITAS MEIOFAUNA DI PERAIRAN DANAU TOBA SUMATERA UTARA

Siagian, Sriyusni; Mahatma, Radith; Elvyra, Roza (2016-01-30)

Information on meiofauna community structure in Indonesian freshwater is still limited compared to other areas. This study aimed to assess the community structure and abundance of meiofauna on three stations on Lakes Toba, ...
STRUKTUR MIKROSKOPIS LAMBUNG IKAN BAUNG (Mystus nemurusC.V) DARI PERAIRAN SUNGAI SIAK

Nadrah, Julia; Yusfiati; Elvyra, Roza (2013-08-01)

The purpose of this research was conducted to find out the condition of stomach tissue baung fish from Siak river, especially at cardiac, fundus and pylorus section. The samples were collected from November 2012 to Maret ...

Browsing Biology by Title

Browsing Biology by Title

Search DSpace

Browse

All of Repository

This Collection

My Account