after

applicationId

count

entityId

superTopicQueueName

topicPageQuery

hooksTopicWidgetQuery

topic

appConfig

filter

entityUuid

advertZone

sponsor

name

urlAlias

hooksTopic

topicDescriptionTopic

topicHeaderTopic

topicRestContentsTopic

topicSeoTopic

topicTopContentsTopic

topicTopicPageTopic

queue

items

query topicPageQuery(
  $after: String
  $applicationId: String!
  $count: Int = 28
  $entityId: String!
  $superTopicQueueName: String!
) {
  ...hooksTopicWidgetQuery_49mQWb
  topic(filter: {entityId: $entityId}) {
    entityId
    entityUuid
    advertZone(version: 2)
    sponsor {
      name
      id
    }
    name
    urlAlias
    ...hooksTopic
    ...topicDescriptionTopic
    ...topicHeaderTopic
    ...topicRestContentsTopic
    ...topicSeoTopic
    ...topicTopContentsTopic
    ...topicTopicPageTopic_1RYlfy
    id
  }
  superTopicQueue: queue(filter: {name: $superTopicQueueName}) {
    items(first: 10) {
      edges {
        node {
          __typename
          ... on Content {
            __isContent: __typename
            entityUuid
            ...helpersCheckIsPlusArticle
            ...homeSecondaryContentItemContent
            ...sectionTopLeadPrimaryContentItemContent_1gV4SW
            ...topStoriesItemContent
          }
          ... on Node {
            __isNode: __typename
            id
          }
        }
      }
    }
    id
  }
}

fragment articleCommentArticle on Article {
  ...entityLink
  commentCount
  entityId
}

fragment blockquoteQuoteContent on Content {
  __isContent: __typename
  ...contentShareWidgetContent
}

fragment checkersCheckContentContainsStarlingImageContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment contentActionBarContent on Content {
  __isContent: __typename
  entityId
  createdDate
  updatedDate
  publishedDate
  readingTime
  ...articleCommentArticle
  ...helpersIsArticleVideoAsHeroArticle
  ...helpersGetContentTypeNameContent
  ... on Article {
    hasVideoContent
  }
}

fragment contentCoverImageContent_1SslBT on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    size1200x800: style(filter: {style: "1200x800"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
  ... on Article {
    leadingSlides {
      url
      title
      type
      size1200x800: style(filter: {style: "1200x800"}) {
        url
      }
      size540x360: style(filter: {style: "540x360"}) {
        url
      }
    }
  }
}

fragment contentCoverImageContent_2eYJyj on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    landscape250x99: style(filter: {style: "landscape_250_99"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
  ... on Article {
    leadingSlides {
      url
      title
      type
      landscape250x99: style(filter: {style: "landscape_250_99"}) {
        url
      }
      size540x360: style(filter: {style: "540x360"}) {
        url
      }
    }
  }
}

fragment contentCoverImageContent_2ihLSb on Content {
  __isContent: __typename
  headline
  images {
    url
    title
    type
    size1200x800: style(filter: {style: "1200x800"}) {
      url
    }
    size540x360: style(filter: {style: "540x360"}) {
      url
    }
  }
}

fragment contentHeadlineContent on Content {
  __isContent: __typename
  headline
  socialHeadline
  ...contentHeadlineTagContent
  ...helpersUseContentSponsorContent
}

fragment contentHeadlineTagContent on Content {
  __isContent: __typename
  ...hooksContentHeadlineTagContent
}

fragment contentLiveTagContent on Article {
  ...helpersCheckHasLiveTagArticle
}

fragment contentNewsletterWidgetContent on Content {
  __isContent: __typename
  topics {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
    id
  }
  sectionsV2 {
    value {
      __typename
      ... on Section {
        relatedNewsletters {
          ...helpersMassageToNewsletterItemNewsletter
          id
        }
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
  ... on Article {
    relatedNewsletters {
      ...helpersMassageToNewsletterItemNewsletter
      id
    }
  }
}

fragment contentSchemaRenderContent on Content {
  __isContent: __typename
  ...blockquoteQuoteContent
  ...hooksInlinePlusWidgetContent
  ...imageContent
  ...inlineWidgetContent
  ...photoGalleryWidgetContent
  ...scmpYoutubeContent
}

fragment contentSectionsContent on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        name
      }
      ... on VideoSection {
        name
      }
      ...helpersCheckIfNewsSectionInFirstIndexSection
      ...entityLink
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment contentSeriesShortLabelContent on Content {
  __isContent: __typename
  ... on Article {
    seriesShortLabel
    ...entityLink
    seriesContainer {
      ...entityLink
      seriesShortLabel
      id
    }
  }
}

fragment contentShareWidgetContent on Content {
  __isContent: __typename
  __typename
  entityId
  urlAlias
  shortUrl
  socialHeadline
  headline
  ... on Video {
    youtubeId
  }
}

fragment contentSponsorTagContent on Content {
  __isContent: __typename
  ...helpersUseContentSponsorContent
}

fragment contentSubHeadlineContent on Content {
  __isContent: __typename
  subHeadline {
    json
  }
  summary {
    json
  }
  ...contentSchemaRenderContent
}

fragment contentSummaryContent on Content {
  __isContent: __typename
  __typename
  summary {
    text
  }
}

fragment contentTopicLinkContent on Content {
  __isContent: __typename
  topics {
    urlAlias
    ...entityLink
    ...topicLinkTopic
    id
  }
}

fragment entityFollowButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  ... on Section {
    entityId
    name
  }
  ... on Author {
    entityId
    name
    disableFollow
  }
  ... on Topic {
    entityId
    name
    disableFollow
  }
}

fragment entityLink on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  entityId
  entityUuid
  urlAlias
  urlRedirect {
    toUrl
    id
  }
  application {
    entityId
    id
  }
  ... on Section {
    fullSectionPath {
      entityId
      id
    }
    parentSection
  }
  ...helpersAppBarVariantBase
  ...helpersApplicationBase
  ...helpersCheckIsPlusArticle
  ...helpersStyleSectionContent
}

fragment followButtonBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...entityFollowButtonBase
  entityId
}

fragment helpersAppBarVariantBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsLiveArticle
  ...helpersCheckIsPlusPage
  ...helpersCheckIsPostMagazineArticle
  ...helpersCheckIsStyleArticle
  ...helpersSectionContent
  ...helpersStyleSectionContent
}

fragment helpersApplicationBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  ...helpersCheckIsPlusPage
}

fragment helpersCheckHasLiveTagArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckHasSeriesShortLabelContent on Content {
  __isContent: __typename
  ... on Article {
    seriesShortLabel
    seriesContainer {
      seriesShortLabel
      id
    }
  }
}

fragment helpersCheckIfNewsSectionInFirstIndexSection on SectionUnion {
  __isSectionUnion: __typename
  ... on Section {
    name
  }
  ... on VideoSection {
    name
  }
}

fragment helpersCheckIsLiveArticle on Article {
  flattenTypeIds
  liveArticle {
    status
    id
  }
}

fragment helpersCheckIsMainTopicContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment helpersCheckIsPlusArticle on Content {
  __isContent: __typename
  ... on Article {
    paywallTypes {
      entityUuid
      id
    }
  }
}

fragment helpersCheckIsPlusPage on Page {
  urlAlias
}

fragment helpersCheckIsPostMagazineArticle on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment helpersCheckIsStyleArticle on Content {
  __isContent: __typename
  sectionsV2 {
    value {
      __typename
      ... on Section {
        entityId
      }
      ... on VideoSection {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}

fragment helpersGetArticleTypeNameArticle on Article {
  types {
    value {
      entityId
      id
    }
  }
}

fragment helpersGetContentTypeNameContent on Content {
  __isContent: __typename
  __typename
  ... on Article {
    ...helpersGetArticleTypeNameArticle
  }
}

fragment helpersIsArticleVideoAsHeroArticle on Article {
  multimediaEmbed {
    json
  }
}

fragment helpersMassageToNewsletterItemNewsletter on Newsletter {
  entityId
  name
  alternativeName
  description {
    text
  }
  summary {
    text
  }
  homepageDescription {
    text
  }
}

fragment helpersSanitizeArticleTypeEntityIdsArticle on Article {
  types {
    value {
      entityId
      id
    }
  }
}

fragment helpersSanitizeAuthorTypesArticle on Article {
  authors {
    types
    id
  }
}

fragment helpersSanitizedAuthorEntityIdsArticle on Article {
  authors {
    entityId
    id
  }
}

fragment helpersSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersStyleSectionContent on Section {
  fullSectionPath {
    entityId
    id
  }
}

fragment helpersUseContentSponsorContent on Content {
  __isContent: __typename
  topics {
    entityId
    sponsor {
      ...sponsorTagSponsor
      name
      type
      id
    }
    id
  }
  ... on Article {
    sponsorType
  }
  ...helpersCheckIsMainTopicContent
}

fragment homePrimaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersCheckHasSeriesShortLabelContent
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_3LgACx
}

fragment homeSecondaryContentItemContent on Content {
  __isContent: __typename
  entityId
  urlAlias
  ...entityLink
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersCheckHasSeriesShortLabelContent
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_1uhIyn
}

fragment hooksContentHeadlineTagContent on Content {
  __isContent: __typename
  __typename
  ... on Article {
    types {
      value {
        name
        entityId
        id
      }
    }
    ...helpersCheckIsStyleArticle
  }
  flag
  sectionsV2 {
    value {
      __typename
      ... on Section {
        name
      }
      ... on VideoSection {
        name
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
  ...hooksContentHelperContent
}

fragment hooksContentHelperContent on Content {
  __isContent: __typename
  ...helpersSanitizeArticleTypeEntityIdsArticle
  ...helpersSanitizeAuthorTypesArticle
  ...helpersSanitizedAuthorEntityIdsArticle
  flag
}

fragment hooksContentItemProvidersContent_1uhIyn on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_2ihLSb
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ...contentSeriesShortLabelContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksContentItemProvidersContent_2gnGW2 on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSubHeadlineContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksContentItemProvidersContent_3LgACx on Content {
  __isContent: __typename
  ...contentActionBarContent
  ...contentCoverImageContent_1SslBT
  ...contentHeadlineContent
  ...contentLiveTagContent
  ...contentSectionsContent
  ...contentSummaryContent
  ...contentTopicLinkContent
  ...contentSponsorTagContent
  ...contentSeriesShortLabelContent
  ... on Video {
    __typename
    ...videoDurationOverlayVideo
  }
  ... on Gallery {
    __typename
  }
}

fragment hooksInlinePlusWidgetContent on Content {
  __isContent: __typename
  topics {
    entityId
    id
  }
}

fragment hooksTopic on Topic {
  types
  sponsor {
    __typename
    id
  }
}

fragment hooksTopicWidgetQuery_49mQWb on Query {
  topic(filter: {entityId: $entityId}) {
    entityId
    ...hooksTopic
    ...topicAdsTopic
    ...topicMetadataDisplayTopic
    id
  }
  appConfig(filter: {entityId: "scmp_pwa_settings"}) {
    json
  }
  advertConfig: appConfig(filter: {entityId: "scmp_pwa_advert_campaign"}) {
    json
  }
}

fragment hooksUseDeepLinkTagsBase on BaseWithApplicationAndUrlAlias {
  __isBaseWithApplicationAndUrlAlias: __typename
  __typename
  urlAlias
  entityId
}

fragment hooksUseDynamicMetaTags on DynamicMetaTags {
  __isDynamicMetaTags: __typename
  metatags {
    key
    value
  }
}

fragment imageContent on Content {
  __isContent: __typename
  headline
  ...checkersCheckContentContainsStarlingImageContent
}

fragment inlineWidgetContent on Content {
  __isContent: __typename
  ...contentNewsletterWidgetContent
}

fragment photoGalleryDialogContent on Content {
  __isContent: __typename
  __typename
  ...contentShareWidgetContent
}

fragment photoGalleryWidgetContent on Content {
  __isContent: __typename
  ...photoGalleryDialogContent
}

fragment scmpYoutubeContent on Content {
  __isContent: __typename
  entityId
  publishedDate
}

fragment sectionTopLeadPrimaryContentItemContent_1gV4SW on Content {
  __isContent: __typename
  entityId
  urlAlias
  topics {
    ...followButtonBase
    id
  }
  ...entityLink
  ...contentCoverImageContent_2eYJyj
  ...helpersCheckIsPlusArticle
  ...helpersCheckHasLiveTagArticle
  ...helpersUseContentSponsorContent
  ...hooksContentItemProvidersContent_2gnGW2
}

fragment sponsorTagSponsor on Sponsor {
  name
  type
  images {
    url
  }
}

fragment topStoriesItemContent on Content {
  __isContent: __typename
  ...homePrimaryContentItemContent
  ...homeSecondaryContentItemContent
  ...helpersUseContentSponsorContent
}

fragment topicAdsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicDescriptionTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...topicMetadataDisplayTopic
  extraMetadata {
    __typename
  }
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  description {
    text
  }
  chineseName
  sponsor {
    __typename
    id
  }
}

fragment topicHeaderRelatedLinksTopic on Topic {
  ...hooksTopic
  name
  relatedLink {
    title
    url
  }
  relatedTopics {
    name
    urlAlias
    id
  }
}

fragment topicHeaderTopic on Topic {
  ...topicHeaderRelatedLinksTopic
  ...entityFollowButtonBase
  ...hooksTopic
  ...entityLink
  mobileImage: image(type: MOBILE_APP_IMAGE) {
    style(filter: {style: "300x300"}) {
      url
    }
  }
  name
  chineseName
  sponsor {
    ...sponsorTagSponsor
    id
  }
}

fragment topicLinkTopic on Topic {
  ...entityLink
  name
  shortName
}

fragment topicMetadataDisplayTopic on Topic {
  ...hooksTopic
  extraMetadata {
    key
    value
    topic {
      name
      ...entityLink
      types
      urlAlias
      mobileImage: image(type: MOBILE_APP_IMAGE) {
        style(filter: {style: "300x300"}) {
          url
        }
      }
      id
    }
  }
  additionalMetadata {
    propertyType
    logo {
      title
      url
    }
    properties {
      key
      value
    }
  }
}

fragment topicRestContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicSeoTopic on Topic {
  name
  description {
    text
  }
  entityId
  urlAlias
  metaDescription
  image(type: OG) {
    url
  }
  ...hooksUseDeepLinkTagsBase
  ...hooksUseDynamicMetaTags
}

fragment topicTopContentsTopic on Topic {
  entityId
  advertZone(version: 2)
}

fragment topicTopicPageTopic_1RYlfy on Topic {
  contents(after: $after, first: $count, filter: {applicationIds: [$applicationId]}, orderBy: {field: PUBLISHED_DATE, direction: DESC}) {
    edges {
      node {
        __typename
        __isContent: __typename
        entityUuid
        ...homeSecondaryContentItemContent
        ...sectionTopLeadPrimaryContentItemContent_1gV4SW
        ...topStoriesItemContent
        id
      }
      cursor
    }
    pageInfo {
      endCursor
      hasNextPage
    }
  }
  id
}

fragment videoDurationOverlayVideo on Video {
  duration
  sectionsV2 {
    value {
      __typename
      ... on VideoSection {
        entityId
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
  }
}


types

extraMetadata

additionalMetadata

relatedLink

relatedTopics

image

description

chineseName

metaDescription

json

Hong Kong

Asia

People and Culture

Health & Environment

This Week in Asia

Economy

Tech

China

World

Business

Lifestyle

Sport

Hong Kong’s 700-year-old oyster industry goes hi-tech with ‘super’ specimen

As climate change threatens the cultivation of local oysters, a scientist and the city’s last farmers fight back with a ‘super’ strain made in Hong Kong. PostMag follows its journey from Petri dish to dinner plate.


Hong Kong Oyster Farming

Lee Kum Kee

Hong Kong Oyster Farming

.css-12ooj4n{font-family:Roboto Condensed,Roboto Condensed fallback,sans-serif;}Can science save Hong Kong’s 700-year-old oyster industry?

As climate change threatens the cultivation of local oysters, a scientist and the city’s last farmers fight back with a ‘super’ strain made in Hong Kong. PostMag follows its journey from Petri dish to dinner plate.

Can science save Hong Kong’s 700-year-old oyster industry?