{"id":20810,"date":"2026-05-21T12:26:01","date_gmt":"2026-05-21T08:56:01","guid":{"rendered":"https:\/\/vastraholding.com\/en\/?p=20810"},"modified":"2026-05-21T12:38:06","modified_gmt":"2026-05-21T09:08:06","slug":"mediterranean-aquaculture-clusters-lessons-for-iran","status":"publish","type":"post","link":"https:\/\/vastraholding.com\/en\/mediterranean-aquaculture-clusters-lessons-for-iran\/","title":{"rendered":"Mediterranean Aquaculture Lessons for Iran"},"content":{"rendered":"\t\t
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Analysis of Mediterranean Aquaculture Clusters and Their Lessons for Iran<\/h1>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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When marine aquaculture is discussed, many managers and investors immediately think of cages installed offshore, where fish are farmed in open waters. The Mediterranean experience shows that the issue extends far beyond the cage itself. The main economic value is created within a network that begins with hatcheries and feed and continues through processing, cold storage, export branding, and the market. From this perspective, a marine cage is not merely a production point; it is one link in an industrial cluster that, without spatial order, environmental management, and a clearly defined market, can quickly turn from an opportunity into a risk. This distinction is what transforms marine aquaculture from an equipment-based project into a strategic issue for food security and the blue economy.<\/p>\n

In 2023, the Mediterranean and the Black Sea reached 2.97 million tons of aquaculture production, valued at $9.3 billion, while the marine and brackish-water segment accounted for 940,000 tons of production and $5.2 billion in value. These figures show that marine aquaculture in this region is not a marginal activity; it stands at the center of the blue economy, food security, and protein trade. The 83 percent share of marine cage farming in the region\u2019s marine and brackish-water fish production also shows that, when connected to a complete value chain, sea cages can form the core structure of marine production. For Iran, the importance of this experience lies not in direct imitation, but in understanding the mechanisms behind precise decision-making on species, environmental carrying capacity, traceability, and target markets.<\/p>\n

The experiences of Greece, Turkey, and Croatia do not all offer the same type of lesson for Iran, and that difference is precisely what increases their analytical value. Turkey represents industrial scalability and the export of major species such as seabass and seabream. Greece represents institutional clustering and marine spatial planning through organized aquaculture zones. Croatia represents a smaller, quality-oriented model built around market differentiation. According to the FAO GLOBEFISH country profile, Iran\u2019s total fisheries and aquaculture production reached 1,417,838 tons in 2023, with aquaculture accounting for 55 percent of that volume. This overall capacity becomes meaningful for the development of marine cages only when it is designed from the outset through a cluster-based logic rather than a purely project-based one.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Why Have Mediterranean Aquaculture Clusters Turned Into Export Chains?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A marine aquaculture cluster should be understood as a spatial and organizational network that connects hatcheries, juvenile fish production, feed, cages, veterinary and monitoring services, harvesting, processing, packaging, cold-chain logistics, branding, and markets. Such a network emerges when producers, regulators, and export markets are defined from the beginning within a single architecture. In the Mediterranean, gilthead seabream and European seabass form the backbone of this architecture and, according to the GFCM report, account for 34 percent and 30 percent of the region\u2019s marine and brackish-water aquaculture production, respectively. For Iran, this data is less a recommendation to copy the same species and more a reminder that species selection must begin with the choice of a competitive position, not with simple imitation of a species or a technology.<\/p>\n\n

\u2013 Manuel Barange, Assistant Director-General of the Food and Agriculture Organization of the United Nations:<\/cite> \u201cThese figures show that aquaculture can play a role in feeding the world\u2019s growing population.\u201d<\/blockquote>\n

The geographic concentration of production also shows that marine clusters in the Mediterranean did not emerge randomly. In marine and brackish-water aquaculture across the Mediterranean and the Black Sea, nine countries account for more than 95 percent of production, with Turkey at 43 percent, Egypt at 16 percent, and Greece at 15 percent. This concentration means that the region\u2019s winners are not merely fish producers; they have been able to bring marine space, technical knowledge, capital, standards, and sales channels together into a relatively coherent chain. The implication for Iran is clear: marine production without a supporting chain will have limited competitive power against major regional markets.<\/p>\n

In the blue economy, the difference between a standalone farm and an industrial cluster becomes visible in their ability to absorb market and environmental shocks. A standalone farm may produce in the short term, but it remains vulnerable to disease, price declines, cold-storage disruptions, weak packaging, or export restrictions. A cluster, by contrast, distributes learning costs among actors and increases the possibility of building brands, shared services, regional monitoring, and regular market access. This logic is why the Mediterranean experience is not merely a production model for Iran, but also a decision-making framework for investment and coastal governance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Turkey\u2019s Model in Marine Aquaculture and the Logic of Export Scale<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Within the Mediterranean model, Turkey is a leading example of scalable production and exports. According to T\u00dc\u0130K data, the country produced 165,055 tons of seabass and 155,279 tons of seabream in marine aquaculture in 2024. These two figures are not merely production volumes; they show that Turkey has brought the main Mediterranean species to a level that is meaningful for foreign markets. The FAO country profile also reports that Turkey\u2019s exports of fisheries and aquaculture products reached $1.77 billion in 2023, while imports stood at $770 million, with fresh seabass and fresh seabream identified as major export items.<\/p>\n\n

\u2013 Mustafa Altu\u011f Atalay, Director General of Fisheries and Aquaculture at Turkey\u2019s Ministry of Agriculture and Forestry:<\/cite> \u201cLast year, nearly one million tons of fish were harvested, and this year the aquaculture target is more than 575,000 tons.\u201d<\/blockquote>\n

The main lesson from Turkey for Iran is the importance of synchronizing production, hatcheries, feed, processing, and exports. If Iran aims to enter species similar to seabass and seabream, its regional competitor is not a small and fragmented market, but a producer that has already reached high scale in the two main species and is active in fresh and chilled markets. This reality shifts competition from the physical production of fish to cost, quality, supply continuity, standards, delivery time, and market knowledge. Therefore, developing marine cages in Iran without designing the market, cold storage, packaging, and export routes could create production that has no clear position in the value chain.<\/p>\n

Turkey\u2019s scale, however, does not mean Iran should copy the model wholesale. Each country must choose its species, zones, and export model based on temperature, salinity, water currents, sensitive habitats, hatchery capacity, feed access, and target markets. Turkey\u2019s experience becomes valuable for Iran when the industrial logic behind the cages is understood, rather than merely replicating their outward form. That logic says marine production becomes export-oriented only when the links before and after the cage grow at the same pace and investors know how the final product will reach the market.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Greece\u2019s Model in Marine Spatial Planning and Regional Management of Farming Cages<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Greece highlights a different path, where the core issue is not only scale, but also spatial order and regional governance. Greece\u2019s National Aquaculture Program for 2021 to 2030 reports production of 130,975 tons in 2019 and direct employment of 3,700 people during the 2016 to 2018 period. The same document sets production targets of 156,391 tons by 2025 and 200,000 tons by 2030. But the importance of the Greek experience is not limited to volume-based targets; it is most visible in its institutional instrument: the Areas of Organized Aquaculture Development, or AODAs.<\/p>\n\n

\u2013 The Government of Greece and the European Union\u2019s aquaculture support mechanism:<\/cite> \u201cThe country\u2019s strategic objective is to achieve sustainable and socially responsible development in aquaculture.\u201d<\/blockquote>\n

In the Greek model, AODAs are a tool for turning marine space into a manageable area. According to Greece\u2019s national program, by the time the document was prepared, seven areas had been issued by presidential decree, and each area was required to have a management body. This institutional design helps the government and the industry reduce spatial conflicts among aquaculture, tourism, the environment, and other coastal uses. For Iran, the operational message of this experience is that issuing scattered permits for marine cages without a regional management body can, in the long run, increase monitoring costs, social conflict, and environmental risk.<\/p>\n

The 2025 HAPO report shows that Greek seabream and seabass production in 2024 declined by 5.5 percent to 114,500 tons, while sales value increased by 3.5 percent to \u20ac721 million and exports reached 94,132 tons. This data does not draw a simple relationship between production volume and economic value, but it does show that markets, prices, branding, and sales mix can play a moderating role when volume declines. In the Greek model, the collective brand Fish from Greece and HAPO\u2019s annual reporting are part of this market architecture. Such an experience matters for Iran because marine development without branding, production transparency, and market reporting loses the ability to become a sustainable export advantage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Croatia\u2019s Model in Quality Differentiation and Target Markets in Aquaculture<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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In terms of scale, Croatia is not in the same position as Turkey or Greece, but its relatively smaller size makes it more instructive for Iran. Croatia\u2019s National Aquaculture Development Program through 2027 reported aquaculture production of 21,772 tons in 2020, with a value of more than 1 billion kuna and employment of 3,394 people in aquaculture and processing. The program\u2019s target is to reach 28,300 tons of production and increase employment to 3,900 people by 2027. These figures show that a country can develop aquaculture through quality, target markets, and a slower but more precise industrial policy without entering large-scale volume competition.<\/p>\n\n

\u2013 The Government of Croatia and the European Union\u2019s aquaculture support mechanism:<\/cite> \u201cThe 2027 production target is 28,300 tons, which is more than 30 percent higher than 2019 production.\u201d<\/blockquote>\n

In its strategic document on Croatia, the World Bank recommends that the country rely on differentiation and focused, high-value markets rather than competing solely on cost. This recommendation is also important for Iran, because entering mass competition with a producer such as Turkey, without a clear advantage in cost, quality, or market access, can limit profit margins. Croatia\u2019s model is a reminder that not all paths of marine cage development pass through rapid expansion. Sometimes economic value is created through a differentiated product, verifiable quality, links to food tourism, value-added processing, and a shorter supply chain.<\/p>\n\n

\u2013 The World Bank:<\/cite> \u201cFuture policies should strengthen the competitive position of Croatia\u2019s aquaculture sector in international markets.\u201d<\/blockquote>\n

Croatia\u2019s national program also refers to RAS systems, integrated multi-trophic aquaculture, or IMTA, and combined intensive and extensive systems. These technologies are presented as tools for controlling farming conditions, shortening the production cycle, and improving product safety. For Iran, the significance of this point is that marine cages should not be treated as the only technological option. Depending on habitat sensitivity, target markets, and production risks, different technology combinations should be assessed. This perspective transforms aquaculture development from a hardware project into the design of a production, quality, and market ecosystem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Environmental Risks of Marine Cages and the Need for Monitoring in Iran<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Developing marine cages in Iran without considering environmental carrying capacity, especially in the Persian Gulf, cannot be equated with the Mediterranean experience. A study by Risk et al. on marine cages in the Persian Gulf examined the proposed plan to reach final production of 200,000 tons per year from the perspective of nitrogen discharge. In its model, the study assumed 44 kilograms of released nitrogen for each ton of fish and used a threshold of 20 micrograms per liter of total nitrogen as a trigger value for coral survival. Therefore, the main issue for Iran is not the definitive prediction of damage, but the need to measure carrying capacity, monitor nutrients, and design responsibly before expanding production.<\/p>\n\n

\u2013 Michael John Risk, S. Abbas Haghshenas, and Azadeh Razavi Arab, authors of the article in Marine Pollution Bulletin:<\/cite> \u201cThe transboundary movement of nutrients into the waters of neighboring countries is significant in magnitude.\u201d<\/blockquote>\n

For Iran, nutrient risk is not merely a technical issue at the farm level; it also has legal and regional dimensions. The Persian Gulf is a more enclosed and sensitive water body than many open marine areas, and the presence of corals and mangroves, especially on the Iranian side, increases the sensitivity of decision-making. If cages are placed in areas with insufficient water exchange or close to sensitive habitats, feed waste, fecal matter, and nutrients can move beyond the farm area. Greece\u2019s experience in requiring emergency pollution-response plans for AODAs shows that regional management must be designed before a crisis occurs, not after it.<\/p>\n

A minimum checklist for Iran should focus on species, temperature, salinity, currents, depth, distance from sensitive habitats, nutrient monitoring, emergency pollution-response planning, insurance, and traceability. This checklist is not about inventing numbers for Iran\u2019s capacity; it is a practical translation of Mediterranean lessons and Persian Gulf warnings into investment decision-making. Marine cages become scalable only when permits are issued on the basis of environmental zoning, monitoring data, and emergency-response capacity. Otherwise, hidden environmental and social costs can reduce the initial attractiveness of investment and weaken market trust.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Traceability and Quality Standards in Turning Marine Cages Into Export Markets<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Export markets for sea-cage fish do not simply want a fresh product; they want a reliable chain. International standards such as GLOBALG.A.P. IFA Aquaculture cover areas including food safety, the environment, aquatic animal health and welfare, worker health and safety, the production process, and traceability. The ASC Farm Standard also states that audit findings, including issued certificates, are published publicly. These standards show that transparency is part of the commercial value of the product, and that entering serious markets requires more than claimed quality.<\/p>\n\n

\u2013 GLOBALG.A.P.:<\/cite> \u201cThe IFA standard for aquaculture aims to promote responsible farming practices at all stages of production.\u201d<\/blockquote>\n

For Iran, standardization should begin at the cluster-design stage and not be postponed to the end of the chain. If hatcheries, feed, farms, harvesting, cold transport, and packaging are not designed from the beginning with integrated traceability, certification at the export stage becomes an expensive corrective measure. The European Union\u2019s experience also shows that its policy for sustainable and competitive aquaculture for 2021 to 2030 is linked to national programs in countries such as Greece and Croatia. Therefore, if Iran\u2019s marine cage sector is to enter high-value markets, it must develop simultaneously with standards, traceability, food safety, and environmental monitoring.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Iran\u2019s Path to Localization: From Cage Installation to Marine Aquaculture Clusters<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Iran does not have a small position in total fisheries and aquaculture production, but the composition of its major species in the FAO GLOBEFISH profile shows that the country\u2019s dominant base still consists of rainbow trout, silver carp, grass carp, common carp, and vannamei shrimp. This means that transitioning to a Mediterranean-style marine model requires a gradual shift in species knowledge, hatcheries, feed, markets, and standards. For entry into marine cage farming, the question is not only how many cages should be installed, but where juvenile fish will come from, what quality of feed will be supplied, how the product will be chilled and packaged, and which market is willing to pay more for it. Without answers to these questions, marine cages alone cannot create a competitive position.<\/p>\n

A defensible path for Iran is to combine three Mediterranean lessons. From Greece, Iran should adopt spatial planning, zoning, regional management bodies, and emergency pollution-response plans. From Turkey, it should understand the importance of scalable hatcheries, feed, cages, processing, and exports. From Croatia, it should learn that quality differentiation, limited target markets, shorter chains, and complementary technologies can serve as alternatives to exhausting price-based competition. This combination allows Iran to build its own model rather than becoming trapped between fully imitating Turkey and remaining at the pilot scale.<\/p>\n

From an investment perspective, marine aquaculture becomes attractive when its main risks can be identified and controlled. Institutional risk in permitting, environmental risk in nutrient discharge, market risk in competition with Turkey, and operational risk in feed, juvenile fish, cold transport, and processing must all be addressed in cluster design. Defensible tools for reducing these risks include public co-financing, preferential loans or investment support through national programs, producer organizations, collective branding, quality standards, and environmental monitoring mechanisms. These tools become effective when they are designed as a policy package for coastal clusters rather than as scattered support for individual farms.<\/p>\n

For Iran, an appropriate starting point could be the development of regional pilots with limited capacity, serious monitoring, and full value-chain design. Such a pilot should not measure only cage performance; it should also assess juvenile fish quality, feed stability, mortality rates, market behavior, cold-storage performance, transportation costs, and the feasibility of certification. If the pilot defines success only by fish harvest, it will repeat the structural weakness of single-link projects. The goal should be to create a scalable model that investors, permitting authorities, and markets can use as a basis for decision-making.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Practical Conclusion for Investment in Iran\u2019s Marine Aquaculture<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Mediterranean aquaculture clusters show that sustainable advantage at sea is created through the combination of several factors: the right species, the right location, reliable feed and hatcheries, environmental monitoring, processing, cold storage, standards, branding, and markets. Turkey has proven that scale can build exports. Greece has shown that spatial planning and regional management are conditions for controlling conflict and ensuring sustainability. Croatia is a reminder that quality and differentiation can create a different path from volume-based competition. To benefit from these lessons, Iran must move beyond an equipment-centered view and see marine cages within a chain that extends from environmental data to market trust. This shift in perspective defines the distance between a high-risk project and a defensible investment.<\/p>\n

The right decision for Iran is not to choose a single Mediterranean template, but to design a local model based on environmental data, institutional capacity, target markets, and the strength of the domestic value chain. In such a model, the marine cage is neither the final piece nor the first piece; it is one component of a network that must be tested technically, economically, and environmentally before large-scale expansion. If this network is accompanied by data transparency, traceability standards, regional management, and a clearly defined market, marine aquaculture can become part of Iran\u2019s blue economy and food security. If this chain does not take shape, increasing the number of cages alone will not create a competitive advantage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Mediterranean\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Experience from Greece, Turkey, and Croatia shows that offshore cage farming creates value only with spatial planning, hatcheries, feed, environmental monitoring, traceability standards, cold logistics, processing, and a stable export market.<\/p>\n","protected":false},"author":1,"featured_media":20818,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[271,126],"tags":[],"class_list":["post-20810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-market-ecosystem-insights","category-vastra-article"],"_links":{"self":[{"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/posts\/20810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/comments?post=20810"}],"version-history":[{"count":5,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/posts\/20810\/revisions"}],"predecessor-version":[{"id":20842,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/posts\/20810\/revisions\/20842"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/media\/20818"}],"wp:attachment":[{"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/media?parent=20810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/categories?post=20810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vastraholding.com\/en\/wp-json\/wp\/v2\/tags?post=20810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}