Laju Pertumbuhan dan Biomassa daun Vallisneria gigantea di Aliran Sungai Senggarang, Kota Tanjungpinang, Kepulauan Riau

نویسندگان

چکیده

The objective of this study were to determine the density, growth rate, and biomass Vallisneria gigantea. This research was conducted on May-June 2020 in a river Senggarang, Tanjungpinang City. used random sampling method 30 points using transect quadrant (50x50 cm). results showed that V. gigantea had density value 148.80 ind/m2. rate 0.06 cm/day 21.71 gr/m2. Light intencity principle component gigantea’s leaf while pH, velocity, temperatur for leaf.Keywords: Density; Giant Vallisneria; Growth; Macrophyte; Productivity

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Effects of Vitamin A and Iron Fortifïed Supplementary Food on Vitamin and Iron Status of Rural Preschool Children in Vietnam

Seperti banyak negara yang. sedang berkernbang, Vietnam menghadapi berbagai masalah kesehatan yang berkaitan dengan gizi pada berbagai kelompok umur dan penduduk. Diantara masalah-masalah tersebut, kckurangan yitamin A, anemia defisiensi besi dan 8an88uan Pertumbuhan pada anak-anakprasekolahpadawaktu ini mendapat perhatian khusus. Prevalensi kekurangan vitamin A pada tahun 1985-1988 sebesar 0,0...

متن کامل

Efektivitas Zat Antibakteri Biji Mimba (Azadirachta indica) untuk Menghambat Pertumbuhan Salmonella thyposa dan Staphylococcus aureus

Neem (Azadirachta indica) is a multifunction plant. Its leaves and seeds can be used as a traditional medicine. One of the benefits of neem seeds is that they can serve as antibacteria. It happens because neem seeds contain certain substances which can impede the growth of Salmonella thyposa and Staphylococcus aureus bacteria. The aims of this research were to find out the efectiveness of soaki...

متن کامل

A Chemical Survey of the Batang Belungkung River and the Gombak River

Suatu tinjauan kimia terhadap kualiti air di Sungai Batang Belungkung dan Sungai Gombak telah dijalankan dengan tujuan untuk mengkajikan kadar pencemaran yang disebabkan oleh pembuangan kekotoran dari te mpat-tempat kediaman dan kilang-kilang getah. Kandungan oksigen terlarut (DO), keperluan oksigen dari segi biokimia (BOD), keperluan oksigen dari segi kimia (COD), zat makanan (fosforus dan nit...

متن کامل

Regulation of actin-dependent cytoplasmic motility by type II phytochrome occurs within seconds in Vallisneria gigantea epidermal cells.

The effects of light on actin-dependent cytoplasmic motility in epidermal cells of green leaves of the aquatic angiosperm Vallisneria gigantea were investigated quantitatively using a custom-made dynamic image analyzer. Cytoplasmic motility was measured by monitoring changes in the brightness of individual pixels on digitized images taken sequentially under infrared light. Acceleration and dece...

متن کامل

Syntactic Underspecification in Riau Indonesian

Indonesian is known for having a relatively simple morphological and syntactic structure. This is especially true of local varieties of the language, where contrast between categories found in Standard Indonesian is neutralized. In the Indonesian variety spoken in Riau Province, there is almost no morphological marking of grammatical categories and there is relatively free word order. Gil (1994...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Acta Aquatica

سال: 2021

ISSN: ['2614-3178', '2406-9825']

DOI: https://doi.org/10.29103/aa.v8i3.5848