Seagrass beds as the buffer zone for fish biodiversity in coastal water of Bontang City, East Kalimantan, Indonesia

Irawan, Aditya; Supriharyono, Supriharyono; Hutabarat, Johannes; Ambariyanto, Ambariyanto

doi:10.13057/biodiv/d190337

Cited by 14 publications

(9 citation statements)

References 31 publications

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“…Seagrass is a flowering plant that is an essential part of aquatic food webs, helps to mitigate climate change, and supports biodiversity (Irawan et al, 2018;Unsworth et al, 2019). Seagrass support biodiversity by providing food for herbivores, grazers, and predators (Hartati et al, 2017;Scott et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Community Structure of Seagrass in Harapan Island, Seribu Islands, Indonesia

et al. 2022

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Seagrass is an aquatic biota that is ecologically and economically beneficial. This study aims to determine the community structure of seagrass in Harapan Island, Seribu Islands, Indonesia. The research was conducted using purposive sampling method, that divided into two sites which is considered to represent the ecology’s condition of Harapan Island. The site 1 was located adjacent to the mangroves area, while the site 2 was placed near a reclamation development and ship anchoring. Every site had three subsites as replications, each was 50 meters apart. Water parameters temperature, salinity, turbidity, pH, dissolved oxygen (DO), depth, and organic compound of each site were measured. The results showed that coverage of seagrass in site 2 is higher than site 1 that categorized as frequent-common coverage. The site 2 had the density of 220 individuals seagrass per square meter that dominated by Cymodocea rotundata. The highest diversity index was found in the site 1 at 1.15, with the lowest dominance index being 0.39. The distribution pattern in site 1 is clustered and uniform, while site 2 is uniform. The Importance Value Index in site 1 was 114,8 by Halodule uninervis, while site 2 was 125,5 by C. rotundata. It is thought that the low diversity of seagrass at the site 2 due to it was near a reclamation development and ship anchoring that disturb the abundance and community structure of seagrass in Harapan Island. Habitat destruction and anthropogenic impact of seagrass need to be minimized to support environmental coastal and fisheries sustainability.

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Section: Introductionmentioning

confidence: 99%

Community Structure of Seagrass in Harapan Island, Seribu Islands, Indonesia

et al. 2022

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“…This result was consistent with those of previous studies on mangroves as fish shelters, feeding grounds, and spawning grounds, and it further confirmed the importance of connectivity of mangroves with coral reefs [ 108 , 109 , 110 ]. Connectivity of mangrove and coral reef ecosystems has been demonstrated in studies in Europe [ 111 ], East Asia [ 54 ], Southeast Asia [ 112 ], and the Southwest Atlantic [ 113 ]. Studies in Caribbean waters found that the biomass of several species in coral reefs linked to mangroves has more than doubled [ 114 ].…”

Section: Discussionmentioning

confidence: 99%

Distribution Pattern of Mangrove Fish Communities in China

Zhao

Wang

et al. 2022

Biology

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Mangroves are among the most productive marine and coastal ecosystems and play an important role in maintaining the stability and diversity of fish communities. To explore the structure of mangrove fish communities in China, we compiled previous studies, monographs, and two databases on 54 mangrove areas published in the past 30 years. Mangrove fish communities in China comprised Osteichthys (597 species) and Chondrichthyes (14 species), representing 611 species in 344 genera, 117 families, and 28 orders. Perciformes were the predominant taxon, with 350 species in 52 families, accounting for 57% of the total species richness. Reef fish accounted for 29.62%. With regard to feeding groups, there were 328 carnivorous species (53.68%), 214 omnivorous species (35.02%), 41 herbivorous species (6.71%), and 28 detritivores species (4.58%). Classified by body size, 57.61% were small-sized, 24.22% medium-sized, and 18.17% were large-sized fishes. A total of 5.23% (32 species) of these mangrove fish are currently on IUCN red lists, i.e., 2 species are critically endangered, 4 are endangered, 12 are vulnerable, and 14 are near threatened. Cluster analyses shows that Chinese mangroves fish were divided into two categories, i.e., coastal mangrove and island mangrove type. This is closely related to the distribution of reef fish. Moreover, the number of fish species showed a strong positive correlation with mangrove area, but not with latitude. The main reasons may be the subtropical and tropical geographic locations, as well as the characteristics of the South China Sea and the Taiwan Warm Current. The size and integrity of mangrove area are crucial to the local ecosystems; thus, protecting and restoring mangroves is of great significance to large-scale ecosystem-stability and local biodiversity.

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“…Anthropogenic pressures, such as coastal development, pollution, overfishing, eutrophication, invasive species, and climate change have caused a precipitous decline in their extent and condition over the last century (Waycott et al, 2009;Short et al, 2011;Irawan et al, 2019). This decline threatens not only the rich biodiversity they harbor but also the essential ecosystem services they provide for millions of people who depend on them for food, livelihood, and wellbeing (Duarte et al, 2013;Irawan et al, 2018;.…”

Section: Introductionmentioning

confidence: 99%

Seagrass Biodiversity and its Drivers in the Kepulauan Banyak Marine Nature Park, Indonesia

Nasution,

Hermi,

Heriansyah

et al. 2024

Indo. J. Mar. Sci.

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Seagrasses are important marine plants that provide a variety of ecosystem services, including food and shelter for marine life, and protection from coastal erosion. This study investigated the biodiversity (alpha and beta diversity) of seagrass in the Kepulauan Banyak Marine Nature Park, Indonesia, with a specific focus on eight sites. Alpha diversity was calculated using Shannon's index, Simpson's index, and Pielou evenness. Beta diversity was determined using Bray-Curtis dissimilarity and Jaccard dissimilarity allowing us to examine the variations in species composition among different sites. Principal coordinate analysis and Partial distance-based redundancy analysis was used to visualize and investigate the impact of constraint variables to the structure of the seagrass communities. Alpha diversity varied among the sites, with the highest alpha diversity found at the Orongan and Matahari site and the lowest at the Ujung Lolok and Balai sites. The dominant substrate type (mud or sand) was found to be a significant (P≤ 0.01) determinant of seagrass alpha diversity, with mud substrates supporting higher diversity than sand substrates. The relationship between alpha diversity and constrain variables was only significant with closest distance to forest lost and longitude variables. The analysis found that water pH, closest distance to forest lost, mean distance to tourism spots, and closest distance to settlement collectively explained a significant (P≤ 0.001) portion (88.48%) of the variation in beta diversity of seagrass across the sites. The results of this study can be used to develop management strategies for the conservation of seagrass meadows in the park.

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Seagrass beds as the buffer zone for fish biodiversity in coastal water of Bontang City, East Kalimantan, Indonesia

Cited by 14 publications

References 31 publications

Community Structure of Seagrass in Harapan Island, Seribu Islands, Indonesia

Community Structure of Seagrass in Harapan Island, Seribu Islands, Indonesia

Distribution Pattern of Mangrove Fish Communities in China

Seagrass Biodiversity and its Drivers in the Kepulauan Banyak Marine Nature Park, Indonesia

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