CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Baixada Maranhense Environmental Protection Area

baixada Maranhense Environmental Protection Area, in the state of Maranhão

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 5, 2026
Entity authorityQ24884062 ↗
Source-derived summary

The Baixada Maranhense Environmental Protection Area (Portuguese: Área de Proteção Ambiental da Baixada Maranhense) is an environmental protection area in the state of Maranhão, Brazil. It includes large areas of wetlands, and was designated a Ramsar site in 2000.

The traditional population lives in the area, but human activities are regulated in an effort to preserve the environment.

Location

The Baixada Maranhense Environmental Protection Area has an area of 1,775,035.6 hectares (4,386,208 acres) in 32 municipalities of the state of Maranhão. Baixada Maranhense means literally Maranhense Lowland.

These are Alcântara, Altamira do Maranhão, Anajatuba, Arari, Bacabal, Bacabeira, Bacurituba, Bela Vista do Maranhão, Bequimão, Bom Jardim, Cajapió, Cajari, Cedral, Central do Maranhão, Conceição do Lago-Açu, Guimarães, Igarapé do Meio, Lago Verde, Matinha, Matões do Norte, Mirinzal, Monção, Olho d'Água das Cunhãs, Olinda Nova do Maranhão, Palmeirândia, Pedro do Rosário, Penalva, Peri Mirim, Pindaré-Mirim, Pinheiro, Pio XII, Porto Rico do Maranhão, Presidente Sarney, Santa Helena, Santa Inês, Santa Rita, Satubinha, Serrano do Maranhão, São Bento, São João Batista, São Luís, São Mateus do Maranhão, São Vicente Ferrer, Turiaçu, Turilândia, Viana, Vitorino Freire, and Vitória do Mearim.

The traditional population includes indigenous people and some remnants of quilombo communities. The families fish, cultivate rice and breed buffaloes.

Environment

The vegetation is in the transition between the Amazon and Cerrado biomes, and includes coastal marine influence, covering a large area of lacustrine basins.

The soil is clay, with high water retention.

Editorial summary

Begin with the source’s own compact description: “Baixada Maranhense Environmental Protection Area” is baixada Maranhense Environmental Protection Area, in the state of Maranhão. The dossier treats that line as a proposition to test through Baixada, Maranhense and Environmental, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2000—that can be checked directly. The linked authority record independently contributes the date 1991-01-01. For this dossier, Baixada, Maranhense and Environmental is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “baixada Maranhense Environmental Protection Area, in the state of Maranhão” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 5, 2026. The linked authority identifier is Q24884062. Authority coordinates are -2.842, -44.814. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2000.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Baixada Maranhense Environmental Protection Area”, its source revision and the description used here.
  2. Expand the search: follow Baixada Maranhense Environmental Protection Area primary sources, Baixada Maranhense Environmental Protection Area archive and Baixada research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Baixada Maranhense Environmental Protection Area”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Baixada Maranhense Environmental Protection Area” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.