"Sandford principle" meaning in English

{
  "etymology_text": "Named after John Edmondson, 2nd Baron Sandford.",
  "head_templates": [
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      "args": {
        "1": "-"
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      "expansion": "Sandford principle (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "source": "w"
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      "examples": [
        {
          "ref": "2021 December 1, Anthony Lambert, “The measures to develop leisure”, in RAIL, number 945, page 49:",
          "text": "It may become necessary to restrict traffic, since it is law under the Sandford principle that where there is apparent conflict between a national park's dual functions of conservation and promoting public enjoyment, then greater weight must be given to conservation.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A concept in the management of protected landscapes in the United Kingdom, where the need for conservation is balanced with access to the public."
      ],
      "id": "en-Sandford_principle-en-noun-8SzhDc5a",
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "John Edmondson, 2nd Baron Sandford"
      ]
    }
  ],
  "word": "Sandford principle"
}

{
  "etymology_text": "Named after John Edmondson, 2nd Baron Sandford.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Sandford principle (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2021 December 1, Anthony Lambert, “The measures to develop leisure”, in RAIL, number 945, page 49:",
          "text": "It may become necessary to restrict traffic, since it is law under the Sandford principle that where there is apparent conflict between a national park's dual functions of conservation and promoting public enjoyment, then greater weight must be given to conservation.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A concept in the management of protected landscapes in the United Kingdom, where the need for conservation is balanced with access to the public."
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "John Edmondson, 2nd Baron Sandford"
      ]
    }
  ],
  "word": "Sandford principle"
}