INTRODUCTION
Aquaculture has experienced rapid development over the past few decades, becoming a significant supplier and has a vital role for the global food supply (Pradeepkiran, 2019; Verdegem et al., 2023). Due to the ever-increasing world population, the demand for animal protein is also increasing, leading to the rapid expansion of aquaculture production (See et al., 2021). This rapid expansion has raised concerns about the environmental impact of aquaculture practices (Ahmad et al., 2022; Kurniawan et al., 2021), leading to the integration of various systems to improve efficiency and sustainability (Dawood, 2021; Sampantamit et al., 2020).
Aquaculture, the cultivation of aquatic organisms such as fish, mollusks, and aquatic plants, has evolved significantly in recent decades in response to the growing global demand for seafood (Carrera-Quintana et al., 2022). Aquaculture plays a vital role and has become an important component of global food security (Pradeepkiran, 2019). However, conventional aquaculture practices often result in environmental problems such as water pollution, depletion of natural resources, and habitat destruction (Kurniawan et al., 2021; Olaganathan & Kar Mun, 2017). To respond to this challenge, integrated aquaculture systems have emerged as a more sustainable alternative, designed to optimize the use of resources (Granada et al., 2016) and minimizing environmental impact by combining different species and farming practices in a complementary way (Hasimuna et al., 2023; Khanjani et al., 2022).
Integrated aquaculture, often referred to as Integrated Multi-Trophic Aquaculture (IMTA), is a method that leverages synergistic relationships between species to create a balanced and self-sustaining system (Khanjani et al., 2022). In such a system, the by-products or waste from one species are recycled as inputs (e.g., nutrients, energy) for another species (Khanjani et al., 2022; Knowler et al., 2020). This not only increases the productivity of the system but also reduces the impact of aquaculture on the environment (Ibrahim et al., 2023). For example, fish farms can integrate shellfish or seaweed farming, where excess nutrients produced by fish are absorbed by seaweed or filter-eating species, creating a closed-loop system (Lavaud et al., 2023). This approach reflects the growing recognition of ecological principles in aquaculture and has gained global attention for its potential to improve sustainability and efficiency (Verdegem et al., 2023).
Despite all the potential of integrated aquaculture, the adoption and development of integrated aquaculture systems faces a variety of challenges, including limited scientific understanding, the complexity of designing such systems, and socio-economic barriers (Cavallo et al., 2020; Neori et al., 2004). Nevertheless, research on integrated aquaculture has increased substantially since the 1990s (Boyd et al., 2020; Carrera-Quintana et al., 2022; Popp et al., 2018), driven by the need for more sustainable food production systems and technological advancements that allow for better system design and monitoring. Research in the growing field of integrated aquaculture reflects the scientific community's efforts to better understand the dynamics of integrated aquaculture, assessing its ecological and economic benefits (Mukherjee et al., 2023), and develop best practices for their implementation.
In recent years, bibliometric analysis has become a valuable tool for tracking research trends in various fields. It offers a systematic method of analyzing large volumes of academic literature to identify emerging patterns, research focuses, and fields of study (Donthu et al., 2021). By applying bibliometric techniques to the field of integrated aquaculture, researchers can gain insights into research trends or developments, the geographic distribution of research, collaboration networks, and the most influential researchers. This can inform future research directions, knowledge gaps, and support the development of policies that promote sustainable aquaculture practices.
This study aims to analyze research trends in integrated aquaculture during the period from 1990 to 2024 to assist researchers in understanding the global landscape of integrated aquaculture, namely profiles of integrated aquaculture publications, the most cited authors, publication patterns of integrated aquaculture, and visualization of integrated aquaculture research trends from 1990 to 2024. In addition, this study will analyze the geographical distribution and collaboration networks between researchers and institutions in the field of integrated aquaculture.
Through this bibliometric analysis, the study also aims to provide resources for future researchers, practitioners, and policymakers interested in the development of integrated aquaculture. With this, it is hoped that this research can contribute to researchers in the field of integrated aquaculture so that the results of research in this field can make a maximum contribution not only to the academic world but also to practitioners in the field of aquaculture.
RESEARCH METHODS
Bibliometrics is a discipline of science that uses statistical methods and data analysis to examine patterns, trends, and characteristics of scientific publications that aim to determine the impact, productivity, and relevance of scientific research (Salinas-Ríos, 2022). To measure this, through bibliometric analysis, the number of citations, characteristics of citations, collaboration between researchers, distribution of scientific publications in various topics or research focuses are carried out (Żarczyńska, 2012).
This study uses a bibliometric research method formulated by Donthu et al. (2021) by taking steps gradually and systematically to obtain good and comprehensive research results using the PRISMA flow (Page et al., 2021).
This research goes through several stages starting from the stage of preparing the problem formulation, determining keywords (Keyword ) for metadata or reference lookups on database, data filtering process, data preparation (data preparation) and data cleaning (data cleaning), data visualization and the last stage is the data interpretation stage (data interpretation) (Wijaya et al., 2023).
The metadata search process was carried out on October 4, 2024 by applying several limitations or filters and using the
Scopus database. The limitation in the metadata search is the use of keywords contained in the title, abstract, and publication year range, In the metadata search, keywords are used with
the search string TITLE-ABS-KEY (integrated AND aquaculture) AND PUBYEAR > 1989 AND PUBYEAR < 2025. The complete metadata search process and some of the limitations used in the metadata search process are seen in the following
Figure 1.
Picture 1.
Document Selection Stages Adopt the PRISMA Flow (Page et al., 2021).
Picture 1.
Document Selection Stages Adopt the PRISMA Flow (Page et al., 2021).
RESULTS AND DISCUSSION
Publication Output, Document Sources, and Number of Documents Per Year
From 1990 to 2024, there are 3,935 documents related to integrated aquaculture topics recorded in the Scopus database consisting of 12 types of documents. The majority of these document types were dominated by articles (2,873 documents, 73.0%), conference papers (382 documents, 9.7%), reviews (359 documents, 9.1%), and book chapters (211 documents, 5.4%). In detail, the types of documents and the number of documents on integrated aquaculture published from 1990 to 2024 can be seen in
Table 1 and
Figure 2 below.
Picture 2.
Percentage of Integrated Aquaculture Documents by Document Type.
Picture 2.
Percentage of Integrated Aquaculture Documents by Document Type.
The following
Figure 3 provides information on scientific publications in the field of integrated aquaculture from 1990 to 2024. In general, the trend of increasing The number of documents on integrated aquaculture every year has increased. From 1990 to 2000, the number of published documents was relatively low and fluctuated between 7 and 30 documents per year. Entering the period of 2001-2010, there was a significant increase. At the beginning of this period (2001) there were 21 documents and the number continued to increase until it reached 71 documents in 2010. The increase in the number of documents published in this period indicates that there is an increase in research interest in the field of integrated aquaculture in this period. The increase in the number of publications is seen to be very significant in the period 2011-2024. In this period, it was recorded that as many as 98 documents published in 2011 then continued to experience a very significant increase until 2024 which reached 396 documents. The significant increase in the number of publications during this period illustrates the growing importance of globally integrated aquaculture topics and is a major focus for all global researchers in the field.
Picture 3.
Number of Integrated Aquaculture Documents from 1999-2024.
Picture 3.
Number of Integrated Aquaculture Documents from 1999-2024.
Top and Most Cited Authors on Integrated Aquaculture Research
This section will explain the top ten authors and the five authors with the most citations on integrated aquaculture research in the period from 1990 to 2024.
Figure 4 provides information on the top 10 most prolific authors from 1990 to 2024 who conducted research on integrated aquaculture. Calado, R has the highest number of publications and research in the field of integrated aquaculture, which is 37 documents from the period from 1990 to 2024. During this period, Abreu, M.H., Ferreira, J.G., and Valenti, W.C. published 20 documents each in the field of integrated aquaculture. For researcher publications in the field of integrated aquaculture, the top three most cited authors from the period from 1990 to 2024 are Pretty et al. (2011) A total of 774 citations, then followed by Streftaris and Zenetos (2006) a total of 523 citations, Goddek et al. (2015) A total of 336 citations. In detail, the top ten authors whose publications in the field of integrated aquaculture have the most citations can be seen in
Table 2.
Picture 4.
Top Author on Integrated Aquaculture Research (1990-2024).
Picture 4.
Top Author on Integrated Aquaculture Research (1990-2024).
Publication Pattern of Integrated Aquaculture Research from 1990-2024 : Based on Sources
The following
Table 3 provides information on the top five in the number of documents or publications on integrated aquaculture from the 1990s to 2024. In the table, it is known that the
journal Aquaculture during the period from 1990 to 2024 recorded a total of 329 related documents about research in the field of integrated aquaculture. The Science
Of The Total Environment Journal was recorded as the fifth rank by publishing research publications in the field of integrated aquaculture as many as 69 documents.
The following
Figure 5 provides detailed information on the number of publications from the top five journals that published documents or publications in the field of integrated aquaculture from the period 1990 to 2024. In general, it can be seen that the publication on integrated aquaculture from the top five journals from 1990 to 2024 is fluctuating. For more details, you can see in the following
Figure 5.
Picture 5.
Publications in the Top five Journals.
Picture 5.
Publications in the Top five Journals.
Research in the Field of Integrated Aquaculture Based on Disciplines
The following
Table 4 provides detailed information about research in the field of integrated aquaculture from 1990 to 2024. During this time span, the majority of research in the field of integrated aquaculture was carried out in scientific disciplines
Agricultural and Biological Sciences,
Environmental Science,
Engineering,
Earth and Planetary Sciencesand
Social Sciences. This indicates that research in the field of integrated aquaculture from this time span shows the involvement of several disciplines. In other words, research trends in the field of aquaculture science have received focus or attention in other fields. In detail, the distribution of research in the field of integrated aquaculture can be seen in
Table 4 and the percentage of distribution by field of science can be seen in
Figure 6.
Picture 6.
Distribution of Documents by Discipline.
Picture 6.
Distribution of Documents by Discipline.
Distribution of Integrated Aquaculture Research by Country
The following diagram illustrates the distribution of integrated aquaculture research articles by country. China is the country that produces the most documents in the field of integrated aquaculture, accounting for more than 800 documents published in Scopus. Followed by the state United States which has nearly 500 documents in the field of integrated aquaculture. United Kingdom, India, Australiaand Canada has more than 200 documents. While Italy, Spain, Portugaland Norway Each of them has nearly 200 documents. This shows that the distribution of research articles in the field of integrated aquaculture is dominated by developed countries.
Picture 7.
Distribution of Documents by Country.
Picture 7.
Distribution of Documents by Country.
Distribution of Documents by Affiliate
The distribution of documents based on affiliation is dominated by affiliates from the Chinese state. Compared to the total number of publication documents in integrated aquaculture, from the top 15 affiliates, it was recorded that there were 647 (66.76%) documents out of 969 publication documents whose affiliates came from China. Next from Wageningen University & Research, Pilot National Laboratory for Marine Science and Technology, IFREMER French Research Institute for the Exploitation of the Seaand Fisheries and Oceans Canada There were 109 documents (11.24%), 82 documents (8.46%), 67 documents (6.91%), and 64 documents (6.60%) respectively. This shows that China in research in the field of integrated aquaculture has a high research focus. In addition, it also indicates that research in the field of integrated aquaculture is getting serious attention from various affiliates in China.
Table 6.
Documents by Affiliate.
Table 6.
Documents by Affiliate.
Affiliate |
Number of Documents |
Chinese Academy of Fishery Sciences |
146 |
Chinese Academy of Sciences |
128 |
Ministry of Agriculture of the People's Republic of China |
125 |
Wageningen University & Research |
109 |
Ministry of Education of the People's Republic of China |
90 |
Pilot National Laboratory for Marine Science and Technology |
82 |
Shanghai Ocean University |
81 |
Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Science |
77 |
IFREMER French Research Institute for the Exploitation of the Sea |
67 |
Fisheries and Oceans Canada |
64 |
Picture 8.
Distribution of Document Count Based on Affiliate.
Picture 8.
Distribution of Document Count Based on Affiliate.
Collaboration Between Researchers in the Field of Integrated Aquaculture
The following
Figure 9 provides information about the collaboration network between authors in the field of integrated aquaculture. There are 9 inter-researcher network clusters. Researchers Øivind Strand and Ricardo Calado not only have an extensive network, but also connect various subgroups. This indicates that they have a very important role in terms of facilitating collaboration between researchers. On the other hand, Keesman and Goddek may have a significant influence in the field of integrated aquaculture research, but they focus more on specific areas or focus on their network groups.
Picture 9.
Network Between Researchers.
Picture 9.
Network Between Researchers.
Visualization of Integrated Aquaculture Research Trends for the Period 1990-2024
Figure 10 provides information about the overview of integrated aquaculture research trends from various aspects. These various aspects are for example the organisms being researched and the approach from the technological side. Terms related to aquaculture, biotechnology, and sustainable have been on the rise in recent years. In general, research in the field of integrated aquaculture shows a diversification of topics focusing on sustainability, technology, and genetics issues.
Picture 10.
Trends in Integrated Aquaculture Research Topics.
Picture 10.
Trends in Integrated Aquaculture Research Topics.
CONCLUSIONS
The results of this study show that there is an increasing trend of research in the field of integrated aquaculture. Research trends in the field of integrated aquaculture focus on sustainability and efficiency. For the direction of research in the field of integrated aquaculture, there are opportunities for further research on the aspects of new technology integration and socio-economic impacts. The results of this study recommend for further research, namely exploring the application of innovative technologies and evaluating sustainability issues from economic, social, and environmental perspectives. In addition, collaboration between countries needs to be strengthened to produce a more comprehensive approach to innovation and development of the integrated aquaculture sector in the future.
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