# Water quality biological assessment

{
  "id": "S94007769",
  "title": "Water quality biological assessment",
  "url": "/topics/S94007769",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "d73a200b3ab7a1bc",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "918813507141633636",
  "address_version": "morton4x16-v1",
  "coordinates": [
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  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}

Here are entered works on evaluation of the condition of a body of water based on surveys and other measurements of the resident biota. Works on testing to determine the degree of pollution of water by comparing its effect on a living organism with the effect of a standard preparation are entered under [Water quality bioassay.]

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh94007769

No owner-reviewed local answer yet.