Effects of Anthropogenic Activity on Stream Water Quality in Langsa, Aceh

Akbar, Helmy; Suyatna, Iwan; Jailani, Jailani; Putra, Singgih Afifa; Azmi, Fauziah

doi:10.29303/jbt.v18i2.826

Cited by 3 publications

(3 citation statements)

References 13 publications

(14 reference statements)

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“…The species richness will decrease when mangrove area experiencing disturbance, such as Segara Anakan Lagoon (Cilacap, Central Java), only three species were found (Zurochman 2003), this is suspected due to the environmental condition in Kuala Langsa and Selangor are relatively better than the Segara Anakan Lagoon, which has experienced a decrease in environmental quality caused by sedimentation and pollution. Highly disturbance and water quality decrease in a particular area can make some benthic fauna challenging to find (Akbar et al 2018). A large number of prawn species found at the study location is also very dependent on the survival of their juveniles.…”

Section: Discussionmentioning

confidence: 96%

Short Communication: Community structure of prawns (Decapoda: Penaeidae and Palaemonidae) in mangrove inlets of Kuala Langsa, Aceh, Indonesia

et al. 2019

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Abstract. Faisal TM, Akbar H, Putriningtias A, Putra SA. 2019. Short Communication: Community structure of prawns (Decapoda: Penaeidae and Palaemonidae) in mangrove inlets of Kuala Langsa, Aceh, Indonesia. Biodiversitas 20: 1306-1311. The aim of this research is to describe the structure of prawn community that found at mangrove inlets of Kuala Langsa (Aceh, Indonesia). The survey was done in August 2018. Sampling sites were defined as arbitrarily. Scope netting (mesh size 1 cm and diameter 100 cm) was used to sample the prawn community. Samples were analyzed and stored at The Primary Laboratory of Universitas Samudra, Kota Langsa, Aceh. Five species of prawns from two families (i.e., Decapoda: Penaeidae and Palaemonidae) were found, i.e., Penaeus monodon, Penaeus indicus, Metapenaeus monoceros, Penaeus vannamei, Palaemon sp. The most dominance species found is M. monoceros, and the most infrequently species found is Palaemon sp. Prawn community between sampling sites are found in a high level of similarity, with medium diversity and evenness index, and no dominance indicated.

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Section: Discussionmentioning

confidence: 96%

Short Communication: Community structure of prawns (Decapoda: Penaeidae and Palaemonidae) in mangrove inlets of Kuala Langsa, Aceh, Indonesia

et al. 2019

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“…mining activity, agriculture, deforestation, tourism) can adversely affect the surrounding waters, whether it's in the river or in the coastal waters. Evidence of bad influence from anthropogenic activity was reported by several studies (Akbar et al, 2015;Zamdial et al, 2017;Akbar et al, 2018;Putra et al, 2018).…”

Section: Introductionmentioning

confidence: 91%

Some Oceanographic Features of Pelabuhanratu Bay, West Java, Indonesia

Akbar

Wizemann

Ervinia

et al. 2019

j.eng

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Pelabuhanratu Bay plays a big role for the flow of nutrients from the land to the sea of Sothern-Java. This study was conducted in Pelabuhanratu Bay, Sukabumi, West Java, in March 2012. The aim of this study is to measure the oceanographic parameters (physical and chemical) of Pelabuhanratu Bay i.e. tides, waves, current, temperature, salinity, depth, density, dissolved oxygen (DO), total suspended solids (TSS), turbidity, pH and nutrients. The bay directly faces the Indian Ocean, during the surveyed we found mean angle of wave refraction was about ~4.3° ± 1.5°, with left side wind direction. Overall the current direction has an irregular trend. The tidal cycle of the bay is diurnal, with the temperature decrease into the deep layer. Only the surface exhibits a slightly lower salinity compared to the rest of the water column. Some parameters (i.e. TSS, DO) found in high concentration but declining following the depth. Other chemical concentrations (e.g. ortho-phosphate, silicate) also showed diminished after 10-15 depth measurement.

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“…Ikan gurami (Osphronemus goramy) merupakan ikan asli Indonesia yang dilaporkan banyak dibudidayakan di daerah Sumatra, Kalimantan, dan Jawa (Nuryanto et al, 2018). Berdasarkan data statistik Kementerian Kelautan dan Perikanan, ikan gurami (Osphronemus goramy) termasuk ikan air tawar andalan, selain ikan nila (Oreochromis niloticus), ikan lele (Clarias spp), ikan mas (Cyprinus carpio), dan ikan patin (Pangasius spp) (Akbar et al, 2023). Koesharyani et al (2018), melaporkan kematian massal ikan nila di daerah Lombok, Indonesia yang terinfeksi TiLV pada tahun 2016, dengan kondisi mata yang buram/katarak, serta cekung, abrasi kulit, serta perubahan warna tubuh menjadi lebih gelap.…”

Section: Pendahuluanunclassified

Analisis Molekuler Tilapia Lake Virus (TiLV) di Sentra Budidaya Benih Ikan Gurami (Osphronemus goramy) Jawa Timur

Jumria,

Amin,

Mufasirin

2023

Bioscientist j. ilm. bosbiol.

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Tilapia Lake Virus (TiLV) is a New Emerging Disease that has been defined and included in the WOAH disease list (WOAH, 2022). This virus can infect both freshwater and marine fish, causing high mortality in Ttilapia up to 90%. Reverse transcyptase method - Semi Nested Polymerase Chain Reaction (RT-snPCR) for detection of TiLV in Osphronemus goramy. TiLV was discovered for the first time in Thailand and was also found in Jogjakarta in 2021. Further research is needed to see the damage and genetic variation caused by TiLV in Osphronemus goramy. This study aims to study the genetic variability and homology of TiLV isolates in Osphronemus goramy as definitive hosts in East Java. The results showed clinical symptoms of lethargic fish, decreased appetite, abnormal behavior, reduced reflexes, sluggish movements, darker body color, congestion, thinning fins and exopthalmia. The PCR results showed that the Osphronemus goramy showing clinical symptoms of TiLV infection were all positive. The sequencing results were further identified using the BLAST program, showing the highest similarity of the genetic identity of the sample at 96.8% with TiLV from Israel (Genebank Accession Number NC 029927.1).

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Effects of Anthropogenic Activity on Stream Water Quality in Langsa, Aceh

Cited by 3 publications

References 13 publications

Short Communication: Community structure of prawns (Decapoda: Penaeidae and Palaemonidae) in mangrove inlets of Kuala Langsa, Aceh, Indonesia

Short Communication: Community structure of prawns (Decapoda: Penaeidae and Palaemonidae) in mangrove inlets of Kuala Langsa, Aceh, Indonesia

Some Oceanographic Features of Pelabuhanratu Bay, West Java, Indonesia

Analisis Molekuler Tilapia Lake Virus (TiLV) di Sentra Budidaya Benih Ikan Gurami (Osphronemus goramy) Jawa Timur

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