1–20 of
40 results.
-
Rahmad Hidayat
•
Syahril Nedi
•
Irvina Nurachmi
Input of nutrients into the waters from various human activities (residential, agriculture and industry) has the potential to cause changes in the physical, chemical and biological conditions of the w...
-
Anggi Widya Iswara
•
Muhammad Fauzi
•
Nur El Fajri
Osteochillus hasselti was commonly inhabit the Lubuk Siam Lake. A research aims to understand the standing stock of O. hasselti in that lake was conducted in July to August 2018. The fish was sampled ...
-
Theresia Tampubolon
•
Irvina Nurrachmi
•
Syahril Nedi
This research was conducted in August 2018 with the aim to determine the concentration of nitrate and phosphate in the waters of Nirwana Beach, find out the type and abundance of diatoms found in the ...
-
Nurul Fajriah
•
Muhammad Fauzi
•
Eni Sumiarsih
Marine debris is a type of pollutant that commonly found in the mangrove ecosystems. A research aims to determine the composition and density of marine debris in the mangrove ecosystem of the Sungai R...
-
Sakinah Rachmadani Rambe
•
Irvina Nurachmi
•
Syahril Nedi
Epiphytic diatoms are diatoms whose lives are associated with plants, one of which is seagrass. Nitrates, phosphates and silicates are needed to support growth and development, especially epiphytic wh...
-
Silmarita Silmarita
•
Muhammad Fauzi
•
Eni Sumarsih
Marine debris is a type of pollutant that commonly found in the mangrove ecosystem. A study aims to investigate the composition, amount and oceanographic parameters that influence the presence of mari...
-
Henny Henny
•
Efawani Efawani
•
Eddiwan Eddiwan
Strombus turturella is a type of gastropods that live in the shallow coastal area of the Dompak Island. A research aims to understand the morphometrical, meristical characteristics and growth patterns...
-
Nesha Aqila
•
Eni Sumarsih
•
Nur El Fajri
Indragiri River has high fishery potential. Fishing activities conducted however, affect fish population in general. A research aims to determine the community structure of fish in that waters was con...
-
Thadeus Mariode Triputra Purba
•
Irwan Effendi
•
Feliatra Feliatra
This research was conducted in January - February 2019. The purpose of this study was to examine the effectiveness of mangrove extracts on stems and fruit on the growth of Aedes aegypti mosquito larva...
-
Siska Monika
•
Dessy Yoswaty
•
Nursyirwani Nursyirwani
Phenol degrading bacteria can be found in various habitats in marine environments. This study aims to obtain bacteria from sediments that are able to degrade phenol. The process of bacterial purificat...
-
Syafrinaldi Afrizani
•
Irvina Nurachmi
•
Irwan Effendi
Dinoflagellata was included in one of microalgae groups which are on waters of the sea and the river, it can be found on detritus floats, sediments, and also swim freely. This research done on May – J...
-
Aprilia Safitri Nasution
•
Windarti Windarti
•
Efawani Efawani
There were many types of macrophyta present in the swamp area of the Sawah Village, but there was no information about the types of macrophyta in that area. To understand the type of macrophyta presen...
-
Rady Rady
•
Irwan Effendi
•
Feliatra Feliatra
The most commonly used method of vektor control is temephos (the synthetic larvicide). Currently in some areas there has been resistance of aedes aegypti larvae to temephos, so that natural larvicide ...
-
Haini Hidayah
•
Muhammad Fauzi
•
Adriman Adriman
Seagrass is present in the Genting Beach. During the low tide, however, propeler of fishermen ship damage the seagrass habitat in general. To understand the types and density of seagrass in Genting Be...
-
Natalia Natalia
•
Bintal Amin
•
Irwan Effendi
Spirulina platensis is one type of microalgae that has high nutrient and protein content and can live in fresh and marine waters. In the growth of S. platensis requires several supporting factors in i...
-
Putri Hanryani
•
Efriyeldi Efriyeldi
•
Irwan Effendi
Spirulina is microalgae that spreads widely in nature and can be found in various types of environments, both in brackish, sea and fresh water. Spirulina is photoautotrophic, so it requires light as a...
-
Dea Lianov
•
Efriyeldi Efriyeldi
•
Zulkifli Zulkifli
Seagrass ecosystem is one of shallow sea ecosystems that plays an important role to maintain stability of the sea. Density and coverage of seagrass depend on characteristic of sediment, include mean s...
-
Annisa Presti Parbo
•
Irwan Effendi
•
Syahril Nedi
This research conducted on March to April 2019 with the aim of knowing the effect of detergent on the growth of A. microphylla. The results showed wet weight growth ranging from 2-23.81 grams (control...
-
Susi Sumanti
•
Irvina Nurachmi
•
Yusni Ikhwan Siregar
The study was conducted in July 2018. Sampling of sedut snails (Cerithidea obtusa) which was carried out in the waters of Mendol Island, Kuala Kampar District, Pelalawan Regency was aimed to determine...
-
Nahdya Nasri Ananda
•
Efriyeldi Efriyeldi
•
Thamrin Thamrin
Sponges are the most primitive multicellular animals that live in various types of waters from freshwater, brackish and sea. Sponges live in bottom waters that typically stick themselves on hard subst...