Jurnal Ilmiah Mahasiswa STKIP PGRI Sumbar

Nama / NPM Yulfitra / 14010170
Program Studi Pendidikan Biologi
Pembimbing I Abizar
Pembimbing II Novi
Tahun 2019

Abstrak :

            Gunung Tujuh lake located in Kerinci Regency at hight 1950 mdpl with a temperature of 15-190C, which is below the optimal temperature of phytoplankton life that is 20-300C.This temperature difference will affect the type of phytoplankton that exists. Based on this research has been carried out with the aim to find out the types of phytoplankton that are found in Gunung Tujuh lake located in Kerinci Regency. This research was conducted with a descriptive survey method, in which the sample was taken directly at the Lakes Mountain Tujuh location. The sampling technique used was purposive sampling that is based on the environmental character of the lake, by setting IV research stations. Station I in the incoming water area. Station II is adjacent to the camping area of ​​the climbers. Station III on the estuary or water comes out of the lake. Station IV is in the middle of the lake itself. Sampling is done 1 time with each station 3 bottles of sample. This research was conducted in February 2019 in Gunung Tujuh lake located in Kerinci Regency, Jambi Province. The results showed that there were 17 species of phytoplankton classified into 4 classes, namely Bacillariophyceae, Chlorophyceae, Cyanophyceae and Dinophyceae. Bacillariophyceae class obtained 5 types of Melosira varians, Cymbella turgidula, Fragillaria vaucherie, Synedra ulna, Navicula sp., Chlorophyceae 7 species Cylindrocapsa conferta, Bulbochaete gigantea, Oedogonium sp., Oedogonium capillare, Spirogyra fuellebornie, Spirogyra subsalsa, Spirogyra wiberi, Cyanophyceae 4 species Oscillatori tenuis, Oscillatoria princeps, Spirulina laxa, Spirulina mayor and Dinophyceae 1 species Ceratium hirundinella.

Keyword :

Bacillariophyceae, Chlorophyceae, Cyanophyceae, Dinophyceae.

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