"trophic cascade" meaning in English

{
  "forms": [
    {
      "form": "trophic cascades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trophic cascade (plural trophic cascades)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ecology",
          "orig": "en:Ecology",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The secondary disruptions that go cascading through a system from which a keystone species has been removed."
      ],
      "id": "en-trophic_cascade-en-noun-siFtf5Pw",
      "links": [
        [
          "ecology",
          "ecology"
        ],
        [
          "disruption",
          "disruption"
        ],
        [
          "keystone species",
          "keystone species"
        ],
        [
          "remove",
          "remove"
        ]
      ],
      "raw_glosses": [
        "(ecology) The secondary disruptions that go cascading through a system from which a keystone species has been removed."
      ],
      "topics": [
        "biology",
        "ecology",
        "natural-sciences"
      ],
      "wikipedia": [
        "trophic cascade"
      ]
    }
  ],
  "word": "trophic cascade"
}

{
  "forms": [
    {
      "form": "trophic cascades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trophic cascade (plural trophic cascades)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Ecology"
      ],
      "glosses": [
        "The secondary disruptions that go cascading through a system from which a keystone species has been removed."
      ],
      "links": [
        [
          "ecology",
          "ecology"
        ],
        [
          "disruption",
          "disruption"
        ],
        [
          "keystone species",
          "keystone species"
        ],
        [
          "remove",
          "remove"
        ]
      ],
      "raw_glosses": [
        "(ecology) The secondary disruptions that go cascading through a system from which a keystone species has been removed."
      ],
      "topics": [
        "biology",
        "ecology",
        "natural-sciences"
      ],
      "wikipedia": [
        "trophic cascade"
      ]
    }
  ],
  "word": "trophic cascade"
}