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Journal Article•DOI•

Environmental assessment of polyculture farming practice based on macrobenthic assemblages: a study case at coastal area of kaliwungu, kendal (central java, indonesia)

Sapto P. Putro1, Widowati Widowati1, Ibni Jeudi Febria1, Fuad Muhammad1, Suhartana Suhartana1, Suminto Suminto1, Agung Sudaryono1, Sunshuke Koshio2 •
Diponegoro University1, Kagoshima University2
12 Apr 2016-Vol. 78
TL;DR: In this paper, a study was conducted at two locations, the Location I was a polyculture farming area, farming milkfish (Chanos Chanos) and black tiger shrimp (Penaeus monodon) and seaweed Gracilaria sp. in the coastal area of Mororejo, Kendal District, Central Java.
Abstract: The purpose of this study was to determine environmental quality parameters using number of species, diversity and similarity of macrobenthic communities. This study was conducted at two locations, the Location I was a polyculture farming area, farming milkfish (Chanos Chanos) and black tiger shrimp (Penaeus monodon) and seaweed Gracilaria sp. in the coastal area of Mororejo, Kendal District, Central Java. Location II was the coastal area of PT. Plywood Indonesia, which is located adjacent to industrial activities as well as directly affected the tide. Systematic random sampling was employed, measuring physical-chemical parameters of water and sediment. Samples of macrobenthos were taken from the sediment. Data was analysed using diversity and evenness indices approach. Samples of macrobenthos were taken from the sediment using Eckman grab, then was analysed using diversity and evenness indices approach. Results showed that the Location I was dominated by Cerithidea cingulata and Terebralia sulcata (Potamididae), Minima batillaria (Batillaridae). The Location II was dominated by Cirratulus sp., Cirriformia sp. and Aphelochaeta (Cirratulidae) and Prionospio sp. (Spionidae), which are considered as indicators of disturbed area. This results implied that the use of area for both polyculture and industrial activities may lead to environmental disturbance, thus environmental coastal management need to be applied in regular basis, both temporally and spatially.

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ENVIRONMENTAL
ASSESSMENT OF
POLYCULTURE FARMING
PRACTICE BASED ON
MACROBENTHIC
ASSEMBLAGES: A STUDY
CASE AT COASTAL AREA OF
KALIWUNGU, KENDAL
(CENTRAL JAVA, INDONESIA)
by Sapto Purnomo Putro
Submission dat e : 20-Jul-2018 09:53PM (UTC+0700)
Submission ID: 983919242
File name: 5.JT_UT M_2016.pdf (517.41K)
Word count : 4215
Charact e r count : 24351
Citations
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Journal Article•DOI•
Biomonitoring of the Application of Monoculture and Integrated Multi-Trophic Aquaculture (IMTA) Using Macrobenthic Structures at Tembelas Island, Kepulauan Riau Province, Indonesia

[...]

Sapto P. Putro, Jeanny Sharani, Widowati, Satriyo Adhy, Suryono 
19 Nov 2020-Journal of Marine Science and Engineering
TL;DR: It can be concluded that the application of IMTA systems results in a suppressed or reduced potential impact on environmental disturbance due to aquacultural activities.
Abstract: Sustainable aquaculture needs to be considered when it comes to the utilization of water resources. The aim of this study was to apply biomonitoring using macrobenthic structures on both spatial and temporal applications of monoculture and integrated multi-trophic aquaculture (IMTA) at Tembelas Island, Kepulauan Riau Province, Indonesia. Samples of sediment were taken from three fish farm locations, namely from an IMTA site, a monoculture site, and a reference site. Macrobenthic organisms obtained through rinsing, sieving, and sorting were then identified under a stereo-microscope. Diversity of the macrobenthic assemblages was analyzed with a Shannon-Wiener index (H’). Equitability was expressed through Pielou’s evenness index. Finally, Bray-Curtis’ non-metric multi-dimensional scaling (NMDS) was used for similarities derived from log (X+1) transformed macrobenthic abundance to provide a visual representation of differences in their structure between sites over time. Results showed polychaetes exhibited differences in both variation and abundance of genera between the farm and reference site. The assemblage of macrobenthos at the IMTA site consisted of 9 genera of gastropods, 3 genera of bivalves, 5 genera of polychaetes, and 2 genera of crustaceans. At the monoculture site, 12 genera of gastropods, 4 genera of bivalves, 8 genera of polychaetes, 1 genera of crustaceans, and 1 genera of ophiuroid were observed. A relatively high abundance was observed at the reference site, with 27 genera of gastropods, 11 genera of bivalves, 3 genera of polychaetes, and 1 genera of crustacean. The favorable water conditions and possible absence of waste input from aquaculture resulting in a more suitable habitat for macrobenthic life may explain this relative abundance. Some of them were recognised as opportunistic taxa, i.e., Capitella sp., Heteromastus sp., and Lumbrinereis sp. Based on the diversity and evenness indices and the MNDS ordination, it can be concluded that the application of IMTA systems results in a suppressed or reduced potential impact on environmental disturbance due to aquacultural activities.

5 citations

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Rutger Rosenberg
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TL;DR: A review of successional stages and activity of benthic soft bottom communities is given in this paper, where animal mobility and where and how they ingest the food are classified based on animal mobility.
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Journal Article•DOI•
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Mathieu Cusson1, Edwin Bourget•
Laval University1
01 Aug 2005-Marine Ecology Progress Series
TL;DR: In general, higher values of production to biomass (P/B) ratios were observed in the Northern Hemisphere than in the Southern Hemisphere, and abiotic variables were more important than environmental variables in explaining observed variations in production and P/B ratios.
Abstract: Using data published in 15 major marine ecology journals (from 1970 to 1999), we examined global patterns of marine benthic macroinvertebrate production and its distribution among feeding guilds and taxonomic groups and physical variables such as substratum type, water depth and temperature. Our database contains 547 production datasets, from 147 studies including 207 taxa, assessed by classical methods (cohort and size-based methods), from 170 sites (77°50'S to 69°35'N; 0 to 930 m depth). In general, higher values of production to biomass (P/B) ratios were observed in the Northern Hemisphere than in the Southern Hemisphere. High values of P/B ratios were observed in mid-latitudinal zones while low values of P/B ratios were observed in high (80 to 60°S) and low latitudinal zones (40°S to 20°N). Highest production was observed on hard substrata, for filter feeders and for mollusc (e.g. bivalves) species. Highest P/B ratios were observed on algae (or high organic substrata), omnivores and predators, and arthropods (e.g. amphipods). Regression models explained a significant percentage of the amount of variance of benthic production (92%) and P/B ratios (50 to 86%). Production and P/B ratios were negatively related to water depth and positively related to water temperature, but these abiotic variables did not greatly improve the predictability of production by biotic variables (e.g. life span, mean body mass). Biotic variables were more important than environmental variables in explaining observed variations in production and P/B ratios. For the latter, life span explained most (45 to 83%) of the variation of the models.

161 citations

Journal Article•DOI•
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Alf Norkko1, Rutger Rosenberg2, Simon F. Thrush3, Robert B. Whitlatch4•
Finnish Institute of Marine Research1, University of Gothenburg2, National Institute of Water and Atmospheric Research3, University of Connecticut4
07 Mar 2006-Journal of Experimental Marine Biology and Ecology
TL;DR: It is argued that the spatial scale or magnitude of disturbance is key to the development of opportunistic responses, and that the scale of disturbance may be particularly important in determining (a) the levels of resources made available and (b) the magnitude of release from competitive interactions, which permit opportunists to flourish.

98 citations

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