Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia

Highlight Research • We found 16 species of mollusks with a total of 15 species from the gastropod class and 1 species from the Bivalvia class bivalves in the silvofishery ponds, recording a total of 369 individuals. • The density of mollusks in July in pond I was 3.6 ind/m2, while it was 10.66 i...

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Main Authors: Ipanna Enggar Susetya, Mohammad Basyuni, Muhammad Rakezza Rifzy Rifzy, Rizka Amelia, Yuntha Bimantara, Rusdi Leidonald, Amanatul Fadhilah
Format: Article
Language:English
Published: Faculty of Fisheries and Marine Universitas Airlangga 2022-09-01
Series:Jurnal Ilmiah Perikanan dan Kelautan
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Online Access:https://e-journal.unair.ac.id/JIPK/article/view/37772
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author Ipanna Enggar Susetya
Mohammad Basyuni
Muhammad Rakezza Rifzy Rifzy
Rizka Amelia
Yuntha Bimantara
Rusdi Leidonald
Amanatul Fadhilah
author_facet Ipanna Enggar Susetya
Mohammad Basyuni
Muhammad Rakezza Rifzy Rifzy
Rizka Amelia
Yuntha Bimantara
Rusdi Leidonald
Amanatul Fadhilah
author_sort Ipanna Enggar Susetya
collection DOAJ
description Highlight Research • We found 16 species of mollusks with a total of 15 species from the gastropod class and 1 species from the Bivalvia class bivalves in the silvofishery ponds, recording a total of 369 individuals. • The density of mollusks in July in pond I was 3.6 ind/m2, while it was 10.66 ind/m2 in pond II. • The mollusk diversity index in October after rehabilitation was included in the high diversity category because the value of H' was 1.6 - 3.0. Pond I has a diversity index value of 1.89 and pond II 1.82. • The value of C-organic concentration in both ponds ranged from 3.00% to 5.72%, which is the optimum level for mollusk growth.   Abstract Silvofishery is a system that combines mangrove and fishery to protect mangrove ecosystems and restore their functions, one of which is as a habitat for macrozoobenthos. Investigate the mollusks and mangrove density. Mollusk sampling was carried out on sub-plots measuring 1 x 1 m² in the mangrove vegetation transect, and mangrove density was measured by counting the number of trees directly on all of the mangrove species at two silvofishery ponds. A total of 16 species of mollusks were found at the observation site, consisting of gastropods and bivalves. The density of mollusks in July was 20 ind/m2 in pond I, while it recorded 9 ind/m2 in pond II. In October, after pond II rehabilitation, the density was inversely proportional to July, and the highest density was found in pond I at 10 ind/m2, while pond II measured 9 ind/m2. After rehabilitation, the index value H' decreased in pond I and pond II from 2.82 and 2.98 to 2.52 and 2.68, respectively. The mangrove density was 887 ind/ha in pond I and 686 ind/ha in pond II. The substrate in both ponds was clay. Nitrate concentration values "‹"‹in the substrate in both ponds ranged from 0.27% to 0.29%, phosphate recorded a percentage of 0.07–0.09%, and C-organic ranged from 3.00% to 5.72%. The water's physicochemical parameters and the type and content of the substrate were still suitable for mollusk life.
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publisher Faculty of Fisheries and Marine Universitas Airlangga
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spelling doaj-art-34e56f0741a345eaa3799ef9e42f4a382025-02-03T05:30:50ZengFaculty of Fisheries and Marine Universitas AirlanggaJurnal Ilmiah Perikanan dan Kelautan2085-58422528-07592022-09-0115239440710.20473/jipk.vi.3777235841Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, IndonesiaIpanna Enggar Susetya0Mohammad Basyuni1https://orcid.org/0000-0003-1120-8571Muhammad Rakezza Rifzy Rifzy2Rizka Amelia3Yuntha Bimantara4Rusdi Leidonald5Amanatul Fadhilah6Department of Aquatic Resources Management, Agriculture Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaDepartment of Forestry, Forestry Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaDepartment of Aquatic Resources Management, Agriculture Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaCenter of Excellence for Mangrove, Universitas Sumatera Utara, Medan, 20155. IndonesiaDepartment of Forestry, Forestry Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaDepartment of Aquatic Resources Management, Agriculture Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaDepartment of Aquatic Resources Management, Agriculture Faculty, Universitas Sumatera Utara, Medan, 20155. IndonesiaHighlight Research • We found 16 species of mollusks with a total of 15 species from the gastropod class and 1 species from the Bivalvia class bivalves in the silvofishery ponds, recording a total of 369 individuals. • The density of mollusks in July in pond I was 3.6 ind/m2, while it was 10.66 ind/m2 in pond II. • The mollusk diversity index in October after rehabilitation was included in the high diversity category because the value of H' was 1.6 - 3.0. Pond I has a diversity index value of 1.89 and pond II 1.82. • The value of C-organic concentration in both ponds ranged from 3.00% to 5.72%, which is the optimum level for mollusk growth.   Abstract Silvofishery is a system that combines mangrove and fishery to protect mangrove ecosystems and restore their functions, one of which is as a habitat for macrozoobenthos. Investigate the mollusks and mangrove density. Mollusk sampling was carried out on sub-plots measuring 1 x 1 m² in the mangrove vegetation transect, and mangrove density was measured by counting the number of trees directly on all of the mangrove species at two silvofishery ponds. A total of 16 species of mollusks were found at the observation site, consisting of gastropods and bivalves. The density of mollusks in July was 20 ind/m2 in pond I, while it recorded 9 ind/m2 in pond II. In October, after pond II rehabilitation, the density was inversely proportional to July, and the highest density was found in pond I at 10 ind/m2, while pond II measured 9 ind/m2. After rehabilitation, the index value H' decreased in pond I and pond II from 2.82 and 2.98 to 2.52 and 2.68, respectively. The mangrove density was 887 ind/ha in pond I and 686 ind/ha in pond II. The substrate in both ponds was clay. Nitrate concentration values "‹"‹in the substrate in both ponds ranged from 0.27% to 0.29%, phosphate recorded a percentage of 0.07–0.09%, and C-organic ranged from 3.00% to 5.72%. The water's physicochemical parameters and the type and content of the substrate were still suitable for mollusk life.https://e-journal.unair.ac.id/JIPK/article/view/37772densityfisherymacrozoobenthosmangrove forestrehabilitation
spellingShingle Ipanna Enggar Susetya
Mohammad Basyuni
Muhammad Rakezza Rifzy Rifzy
Rizka Amelia
Yuntha Bimantara
Rusdi Leidonald
Amanatul Fadhilah
Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
Jurnal Ilmiah Perikanan dan Kelautan
density
fishery
macrozoobenthos
mangrove forest
rehabilitation
title Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
title_full Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
title_fullStr Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
title_full_unstemmed Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
title_short Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia
title_sort mollusk diversity in percut sei tuan silvofishery ponds north sumatra indonesia
topic density
fishery
macrozoobenthos
mangrove forest
rehabilitation
url https://e-journal.unair.ac.id/JIPK/article/view/37772
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