Community structure of fish larvae in mangroves with different root types in Labuhan coastal area, Sepulu – Madura

Muzaki, Farid Kamal; Giffari, Aninditha; Saptarini, Dian

doi:10.1063/1.4985416

Cited by 6 publications

(6 citation statements)

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“…species richness, density, and biomass were observed at the vegetated area, followed by the pneumatophore area and mudflat at the Sonneratia site. The results indicated that the spatial variations of fish assemblages were highly correlated with mangrove structural complexity; however, the effects of vegetation structural complexity on fish are site-specific, and the general hypothesis of higher structural complexity habitats support higher fish diversity (Muzaki et al 2017) was not supported. In addition, the effects of vegetation structural complexity on fish also varied seasonally.…”

Section: Differences Of Microhabitat Use By Fish In the Mangrove Wetlmentioning

confidence: 75%

Distribution of fish among Avicennia and Sonneratia microhabitats in a tropical mangrove ecosystem in South China

et al. 2019

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Mangrove structural complexity plays an important role in the way fish using their habitat.However, the effects of structural attributes on fish spatial distribution remain uncertain. In this study, we sampled fish at three easily identifiable microhabitats (i.e., vegetated area with both mangrove trees and pneumatophores, pneumatophore area without trees, and adjacent mudflat without trees and pneumatophores) within two sites dominated by Avicennia marina and Sonneratia apetala in a large estuarine system in South China from 2014 to 2015, and explored the fish community differences in these microhabitats. Our results showed that fish assemblages varied significantly among the three microhabitats, with distinct community assembly patterns between sites. At the Avicennia site, highest fish diversity was recorded at the mudflat, followed by the pneumatophore area and the vegetated area. In contrast, the opposite pattern was observed at the Sonneratia site. Fish size also differed significantly among microhabitats, with smaller fish presented in the vegetated areas. Within the same mangrove types, the height and biomass of pneumatophores as well as density of trees showed significant effects on the among-microhabitat variations of fish assemblages. Fish abundance was positively associated with pneumatophore height and negatively correlated with pneumatophore biomass at the Avicennia site. While at the Sonneratia site, it was positively correlated with pneumatophore biomass. We conclude that the spatial variations of fish community are highly correlated with the structural complexity of mangroves. However, the specific effects might be mangrove species-dependent.

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Section: Differences Of Microhabitat Use By Fish In the Mangrove Wetlmentioning

confidence: 75%

Distribution of fish among Avicennia and Sonneratia microhabitats in a tropical mangrove ecosystem in South China

et al. 2019

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“…The net was towed subsurface in proximity of mangroves. The towing path was 100-meter-long and duplicate samples were obtained from each location (Muzaki et al 2017). Collected plankton samples were immediately preserved in 10% buffered-formaldehyde for further analysis in the laboratory.…”

Section: Specimen Collection and Processingmentioning

confidence: 99%

“…Turbidity in all sampling locations was higher than quality standard for marine organism (Ministry of Environment of Republic of Indonesia 2004). However, turbidity in estuary is usually high and can still be tolerated by many larval, juvenile and adult fish (Jorgensen et al 2013;Muzaki et al 2017). Higher turbidity in the estuary could be contributed to by decomposition of mangrove litter which releases tannins into the water (Setiawan 2013), wave action (Lamb et al 2008), higher productivity and sediment inflow due to erosion from land.…”

Section: Environmental Variablesmentioning

confidence: 99%

“…More than 12 species of true mangroves and 25 species of associate mangrove have been documented. These create horizontal habitat zonation that can be easily recognized by species differences as each species has different root types (Muzaki et al 2017). Data obtained from this study can be used as baseline for mangrove management in the area, especially as a consideration in determining which species of mangrove will provide better fish habitat and may therefore be preferred to be planted in ecological rehabilitation efforts.…”

Section: Introductionmentioning

confidence: 99%

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Juvenile and small fish diversity in mangroves of different root types in the Labuhan Coastal Area, Bangkalan, Indonesia

2019

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Abstract. Muzaki FK, Saptarini D, Ibadah AC. 2019. Juvenile and small fish diversity in mangroves of different root types in the Labuhan Coastal Area, Bangkalan, Indonesia. Biodiversitas 20: 1537-1543. The complexities of mangrove root types are well known to have effect on communities of fish including larval, juvenile and adult stages. This study aimed to access the difference on species composition and diversity of juvenile and small fish from mangrove area of different root types, especially in mangroves of the coastal area of Sepulu, Bangkalan which is a mangrove protection area. The samples were collected from November 2016 to June 2017 using modified centipede nets and scoop nets. Four types of sampling locations were used. Areas with pneumatophores (S), stilt roots (R), a combination of both types (C) and areas without mangroves (T). At least 32 species from 16 families of juvenile and small fish were identified. Families of fish with highest number of species were Gobiidae with 13 species, followed by Ambassidae, Mugilidae, Eleotridae and Siganidae with 2 species each. Fish species with highest abundance in all sampling sites and periods were Oryzias javanicus (F. Adrianichthyidae, 22.039%), Ambassis kopsii (F. Ambassidae, 17.878%), Liza vaigiensis (F. Mugilidae, 9.613%), Am. buruensis (F. Ambassidae, 9.261%), Terapon jarbua (F. Terapontidae, 7.562%), L. subviridis (F. Mugilidae, 7.385%) and Pseudogobius javanicus (F. Gobiidae, 7.385%), respectively. Result of two-way Anova (p=0.05) suggest that area with stilt roots (R) which were dominated by mangrove Rhizophora have relatively higher abundance and species richness of juvenile and adult small fish. In addition, average Shannon-Weaner diversity index (H’) value in areas with stilt roots was 2.031 and highest compared to the other sampling sites.

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“…Lack of thermal adaptation may be important to tropical species living within narrow thermal ranges (Munday et al 2017). Coupled with losses of habitat complexity and ecosystem services, the continued loss of mangrove forests (Duke et al 2007, Teutli-Hernández & Herrera-Silveira 2018 may see dramatic declines of terrestrial fauna (Rog et al 2016) and fish (Muzaki et al 2017) leading to declines of future fauna biomass for mangroves and adjacent fisheries. The loss of species and populations driven by a warming climate is a global concern (Wiens 2016).…”

Section: Introductionmentioning

confidence: 99%

Mosquitofish avoid thermal stress by moving from open water to the shade of the mangrove Rhizophora mangle

Hendy¹,

Burt

Clough

et al. 2020

Mar. Ecol. Prog. Ser.

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Mangrove trees provide environmental buffering for animals by reducing daytime water thermal maxima. Shade from Rhizophora mangle trees reduces thermal stress for the mosquitofish Gambusia affinis. Data were collected from mangrove forests in Quintana Roo, Mexico, at 2 sites: (1) Soliman Bay, a mangrove forest decoupled from direct ocean water, and (2) La Lunita with semi-direct access to ocean water. During cooler morning hours at Soliman Bay, large numbers of mosquitofish foraged in open channels. At the same time, few mosquitofish utilised shaded areas within the R. mangle prop roots. When channels exceeded water temperatures above 38°C, mosquitofish migrated into the shaded areas provided by R. mangle trees. Channel water reached a daytime maximum temperature of 46°C, while daytime-shaded R. mangle areas remained 6.2°C cooler. Temperature rise and abundance shifts were not found in La Lunita, which has water temperatures of 27 to 28°C throughout the day. Size distributions between both localities showed mosquitofish caught in Soliman Bay to be >10% smaller than the mosquitofish from La Lunita, which had a greater abundance of mature adults. In Soliman Bay, mosquitofish were small, and the thermal stresses may impose serious developmental impacts that would be reduced by occupying water shaded by R. mangle. Refuge from R. mangle provides environmental buffering for fish, and future increasing water temperatures may reveal a greater use of this little-known mechanism. This study provides an example of a mechanism whereby mangroves support intertidal biodiversity through environmental buffering.

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Community structure of fish larvae in mangroves with different root types in Labuhan coastal area, Sepulu – Madura

Cited by 6 publications

References 13 publications

Distribution of fish among Avicennia and Sonneratia microhabitats in a tropical mangrove ecosystem in South China

Distribution of fish among Avicennia and Sonneratia microhabitats in a tropical mangrove ecosystem in South China

Juvenile and small fish diversity in mangroves of different root types in the Labuhan Coastal Area, Bangkalan, Indonesia

Mosquitofish avoid thermal stress by moving from open water to the shade of the mangrove Rhizophora mangle

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