Abstract
Planktons have ability to live in aquatic ecosystem, including rivers ecosystem, estuary ecosystem, lake ecosystem and ocean ecosystem. The plankton abundance is estimated by correlation with water quality both of salinity, pH, temperature and others. This research aimed to analysis plankton abundance and to analysis correlation between plankton abundance and water quality. This research was conducted in Donan River using random sampling in 10 stations. The plankton are collected using plankton net no 25 and Lackey Drop Mikrotranset Counting (plankton analysis) and APHA (2005) to analysis water quality. The results showed that the plankton abundance ranged between 524 – 6,406 ind L-1 and best correlation with water salinity had index 0.975. Keywords: plankton abundance, water quality, Donan river, water salinity, correlation
Highlights
The results showed that the plankton abundance ranged between 524
Planktons are a micro and macroscopic organisms that plays an important role as the primary producer of an initial chain of food webs (Yan et al, 2012)
Plankton abundance in Donan river is relatively low compared to Wiyarsih (2019)
Summary
Planktons are a micro and macroscopic organisms that plays an important role as the primary producer of an initial chain of food webs (Yan et al, 2012). Plankton consists of phytoplankton and zooplankton (Effendi et al, 2016; Su et al., 2015; Abdulwahab and Rabee, 2015). Phytoplankton are water plants in waters ecosystem, while zooplankton are aquatic organisms characterized as animals (Gharib et al, 2011; Honggang et al, 2012; Khalifa et al., 2015; Pratiwi et al, 2016; Simanjuntak, 2009). The ability to create organic substances causing phytoplankton known as primary producers (Li et al, 2012; Masuda et al, 2017)
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