Aquaculture and the Environment: Towards Sustainability

Salin, Krishna R.; Ataguba, Gabriel Arome

doi:10.1007/978-3-319-73257-2_1

Cited by 28 publications

(19 citation statements)

References 146 publications

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“…Based on the log-log model, the most influential parameter to increase CC is salinity (1:1 change). On the contrary, the most influential parameter that limits the increase in biomass CC estimate is particulate nitrogen (1:0.37) [45].…”

Section: The Modelmentioning

confidence: 99%

A Bayesian Approach to Carrying Capacity Estimate: The Case of Greek Coastal Cage Aquaculture

Conides

Zoulias

Pavlidou

et al. 2022

JMSE

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The estimation of the carrying capacity (CC) is a fundamental process in integrated environmental management, policy making, and decision making. Aquaculture carrying capacity has been studied since the 1960s to allow estimation of the production limits of aquaculture projects and, hence, their maximum economic performance within sustainable limits for the local environment. One major drawback of these approaches is that they can provide CC estimates after a fish farm is installed and operates in a certain location (ex post approaches). This paper approaches the estimation of CC using a Bayesian/CHAID model of profiling information on the environmental quality, geomorphology, and human activities on the adjacent coastal area (land side) using as an indicator the trophic state of the marine area in terms of chlorophyll-a concentration (upper mesotrophic). This way, having the above information for a certain site, it is possible to calculate the maximum annual production of a cage fish farm so that the trophic state of the area will not exceed the environmental goal of the upper mesotrophic level. We examined the effects of 27 different physical, chemical, social and geomorphological parameters on CC (in fish biomass terms). CC was found to be correlated by particulate nitrogen (PN), silicates (Si-SiO4), salinity, and suspended particulate matter (SPM). The overall relationship found is: Biomassat CC level = +473.762[Chl-a] − 6856.64[PN] + 9.302[Salinity] − 473.5[Si-SiO4] + 341.864[SPM] − 207.046. The analysis performed allowed us to estimate the maximum levels for each factor to maintain a eutrophication status up to the upper mesotrophic level: particulate nitrogen < 0.018 mg/L, silicates < 0.137 mg/L, salinity > 38 PSU and SPM > 0.815 mg/L. Finally, the current fish farm licensing legislation in Greece concerning the CC estimation algorithm is discussed.

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Section: The Modelmentioning

confidence: 99%

A Bayesian Approach to Carrying Capacity Estimate: The Case of Greek Coastal Cage Aquaculture

Conides

Zoulias

Pavlidou

et al. 2022

JMSE

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“…Dengan demikian, sumberdaya lobster dapat meningkatkan penerimaan negara dari pajak dan devisa, menyediakan lapangan usaha dan investasi bagi pelaku usaha, menyediakan lapangan pekerjaan bagi masyarakat, serta memberikan efek pengganda bagi perekonomian daerah. Keberlanjutan jangka panjang usaha budidaya lobster di KJA dapat dilakukan dengan mengimplementasikan model kawasan budidaya multispecies dan multitropic (Alexander et al 2015;Park et al 2018) menggunakan ecosystem-based approach to aquaculture (Salin and Ataguba 2018). Pendekatan tersebut juga dapat mewujudkan manfaat total (lingkungan, ekonomi dan sosial) (Yu et al 2017).…”

Section: Pendahuluanunclassified

Model konseptual IMTA dan RIMTA pada budidaya lobster di karamba jaring apung (KJA)

Rofiq

Rifqi

2021

JPLB

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Untuk mengoptimalkan manfaat ekonomi keberadaan sumberdaya benih lobster di perairan Indonesia, maka pengembangan budidaya lobster oleh pembudidaya dan pelaku usaha dalam negeri perlu segera dilakukan. Mempertimbangkan perkembangan adopsi teknologi budidaya lobster saat ini, maka segmen usaha pendederan perlu dilaksanakan pada fasilitas unit pelaksana teknis (UPT) Direktorat Jenderal Perikanan Budidaya, segmen usaha selanjutnya yaitu pembesaran lobster di Karamba Jaring Apung (KJA) laut dapat melibatkan masyarakat/ pembudidaya dan pelaku usaha. Implementasi Integrated Multi Tropic Aquaculture (IMTA) pada budidaya lobster baik pada skala unit maupun kawasan dapat mewujudkan prinsip keberlanjutan, mengoptimalkan pemanfaatan sumberdaya, meningkatkan penerimaan pembudidaya dan pelibatan masyarakat lebih banyak, menyediakan jasa lingkungan (environmental service) dari komoditas ekstraktif serta sekaligus sebagai kontribusi perikanan budidaya dalam mitigasi emisi gas rumah kaca. Beberapa komoditas ekstraktif yang berpotensi dibudidayakan bersama lobster adalah rumput laut, kekerangan, teripang dan beberapa jenis ikan bertropik level rendah. Dibutuhkan penelitian terkait pakan yang efektif untuk benih dan pembesaran serta manajemennya, parameter lingkungan yang optimal, metode budidaya, jenis hama dan penyakit lobster serta penanggulangannya.

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“…These and similar projects in the Qiandao Lake watershed [84,100] exemplify the widespread attention being given to the management of fish and wetlands as a means of maintaining water quality [131,132]. The third priority, self-purification ( Figure 7), can be achieved by several approaches, including the management of wild and caged fish populations to reduce nutrient loads and the preservation of wetlands [14,93,[127][128][129]. The natural wetland that forms at the convergence of the Zhangtian, Xiasong, and Pingqiao rivers (Figure 2), for example, is known to represent a dynamic and critical component of Tianmu Lake's capacity to self-purify [14,61,78].…”

Section: Integrative Management To Mediate Nutrient Lossmentioning

confidence: 99%

An Integrative Framework to Control Nutrient Loss: Insights from Two Hilly Basins in China’s Yangtze River Delta

Pueppke

Zhang

et al. 2019

Water

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Rapid economic development and population growth in China’s Yangtze River Delta (YRD) are exerting significant environmental pressure on the region’s land and water, especially in hilly areas where many drinking water reservoirs have been constructed. These areas, which are characterized by steep slopes and thin soils, provide critical services, including flood control, water resource supply, food production, and recreational opportunities for nearby highly developed and heavily populated areas of the delta. We contrast two of these areas—the well-studied Tianmu Lake watershed and the much larger Qiandao Lake watershed. Both face similar challenges from nitrogen and phosphorus pollution due to rapid socio-economic development, but differences in watershed size and distinctions related to political boundaries influence the range of approaches available to maintain water quality. We review experiences of controlling nutrient pollution in these watersheds as case studies, and based on that information, propose an integrated framework to minimize nitrogen and phosphorus pollution in similarly challenged watersheds. The framework, which is designed to be generalizable rather than prescriptive, emphasizes source control, delivery interception, and fate management of nutrients.

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Aquaculture and the Environment: Towards Sustainability

Cited by 28 publications

References 146 publications

A Bayesian Approach to Carrying Capacity Estimate: The Case of Greek Coastal Cage Aquaculture

A Bayesian Approach to Carrying Capacity Estimate: The Case of Greek Coastal Cage Aquaculture

Model konseptual IMTA dan RIMTA pada budidaya lobster di karamba jaring apung (KJA)

An Integrative Framework to Control Nutrient Loss: Insights from Two Hilly Basins in China’s Yangtze River Delta

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