Monte Castelo and Guaporé wetland contexts - History, Government, Language, and Sources

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Amazonia and the Orinoco: Rivers, Landscapes, and Living Heritage
Southwestern Amazonia · Source-reviewed profile

Monte Castelo and Guaporé wetland contexts

Monte Castelo (site or scholarly name, not an established ancient self-designation)

Monte Castelo combines construction, food remains, ceramics and other practices in a wetland setting. Layered evidence reveals changing uses rather than one unchanging economy or political identity.

Shellmound, wetland and food-production context Approximately 6000-700 years BP in the reviewed sequence; individual calibrated phases distinguished Shellmound stratigraphy, archaeobotany, phytolith measurements, ceramics, stone tools and excavation research. Costa Marques public town orientation, Rondônia, Brazil. Approximate public orientation only, never a territorial, ethnic, linguistic, political, customary or sovereignty boundary. Not a burial, ancestral-remains, restricted rock-art or sacred-site location, private earthwork, Indigenous village or contact point for isolated peoples; no access or collecting permission is implied.
Overview

Communities, landscapes, and the evidence

Rivers, forests, wetlands, and connections

The Guaporé wetlands connect river and seasonal floodplain environments. The public town point does not locate funerary deposits or exposed remains.

Political organization and community scale

Households and coordinated construction are research questions; the material sequence does not identify a timeless centralized state.

Colonial transformation, living heritage, and modern reception

The atlas excludes human-remains imagery and genetic classifications. Modern research and surviving Indigenous use require respectful, non-prescriptive treatment.

Construction Many distinct layers

The 2021 study describes occupation and construction deposits; not every shell layer has the same function.

Source review: 2026-10-20 [S1]
Plants Evidence for changing rice forms

The 2017 study interprets rice phytolith changes as domestication evidence; the publisher correction must accompany important use.

Source review: 2026-10-20 [S2]
Craft Stone materials add another archive

The 2025 thesis examines lithic diversity over time, complementing plant and ceramic research.

Source review: 2026-10-20 [S3]
Historical sequence

A concise, sourced timeline

These milestones are orientation points, not a complete history.

  1. Early occupation layers

    The 2021 sequence identifies early deposits separately from later construction.

  2. Rice-management evidence

    The phytolith study places its domestication interpretation in this broad interval, not at the origin of every crop.

  3. Archaeobotanical research

    Studies address rice and diversified plant practices, with differing methods and scopes.

  4. Lithic research

    The university study examines stone materials across the sequence.

Culture and language

Food, craft, language, labor, and belief

Languages named in this profile

  • The registered evidence does not securely establish every resident's spoken language; no language is assigned from material style alone.

Language family: No secure assignment from this evidence

Shell, soil and built layers have distinct formation histories.

Plant management persisted through changes in material evidence.

Independent DNAGENICS AI-assisted educational summaries, not reproductions of the cited works or professional scholarly review. Cited communities, museums, researchers, universities, heritage authorities, UNESCO and publishers did not author or endorse this atlas. Names identify sources only; no logos, source imagery, human remains, restricted cultural expressions or sensitive coordinates are reproduced. Public availability does not establish cultural consent. Use the site's contact channel for corrections or concerns.

AI research guide

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The guide can explain and connect facts already present on this page. It cannot search the open web, establish identity or citizenship, or evaluate ancestry and genetic information.

Grounded in approved profile content Citations use the source IDs below No account or DNA context

Do not enter names, contact details, family-tree information, account or kit identifiers, or genetic data.

Evidence register

Sources used for this page

Prefer Indigenous and community-linked institutions, national heritage authorities, accountable archaeological projects, original studies and institutional collections documentation. Source titles, publishers, dates and stable links identify the evidence. Distinguish a conference abstract, bibliographic record, field study, scholarly synthesis, heritage proposal and completed interpretation. Attribute written and oral accounts by composition date, genre, language, audience, transmission and viewpoint.

  1. C1

    Orinoquia: The Archaeology of the Orinoco River Basin

    Journal of World Prehistory 16, author-shared scholarly synthesis · Attributed scholarly synthesis; models are not direct observations of all communities · 2002

  2. C2

    Chiribiquete National Park: The Maloca of the Jaguar

    UNESCO World Heritage Centre · Institutional heritage record; individual panel chronology requires separate evidence · Inscribed 2018; record accessed 2026-10-20

  3. C3

    Nuevos aportes a la arqueología del sitio Saladero, bajo Orinoco, Venezuela

    José R. Oliver, UCL, author-shared conference paper · Original conference research; not all interpretations are final consensus · Presented 2013; author record 2014

  4. C4

    A fase Açutuba: um novo complexo cerâmico na Amazônia Central

    Arqueología Suramericana 2(1), World Archaeological Congress archive · Original archaeological study in archived journal issue · 2006

  5. C5

    Early and Middle Holocene Hunter-Gatherer Occupations in Western Amazonia: The Hidden Shell Middens

    PLOS ONE · Original archaeological study or institutional project account · 2013-08-28

  6. C6

    Paleoindian cave dwellers in the Amazon: research annotation

    Library of Congress, Handbook of Latin American Studies · Institutional critical bibliographic annotation, not a new excavation · 1996 study; annotation accessed 2026-10-20

  7. C7

    Lidar reveals pre-Hispanic low-density urbanism in the Bolivian Amazon

    Nature 606, 325-328 · Original archaeological study or institutional project account · 2022

  8. C8

    Ecological Modelling and Indigenous Systems of Resource Use: Examples from South Venezuela

    Antropológica 55, 51-72, UNAM archive · Original methodological and ethnographic analysis, not a prehistoric social census · 1981

  9. C9

    Pre-Columbian agricultural landscapes, ecosystem engineers, and self-organized patchiness in Amazonia

    PNAS 107, 7823-7828 · Original archaeological study or institutional project account · 2010

  10. C10

    The unique functioning of a pre-Columbian Amazonian floodplain fishery

    Scientific Reports · Original archaeological study or institutional project account · 2018

  11. C11

    Intentional creation of carbon-rich dark earth soils in the Amazon

    Science Advances 9, eadh8499 · Original collaborative research, including Kuikuro Indigenous Association contributors · 2023

  12. C12

    En riesgo continuo por el ecoturismo: la realidad de las áreas protegidas en el Amazonas

    Parques Nacionales Naturales de Colombia · Protected-area care and access-risk guidance, not visitor permission · 2025-12-12

  13. C13

    Shared Stewardship and Ethical Returns

    Smithsonian National Museum of the American Indian · Comparative collections ethics, not site-specific cultural consent · Institutional policy resource accessed 2026-10-20

  14. S1

    Facing Change through Diversity: plant management at the Monte Castelo shellmound

    Quaternary 4(1), 8 · Original archaeological study or institutional project account · 2021

  15. S2

    Evidence for mid-Holocene rice domestication in the Americas

    Nature Ecology & Evolution 1, 1693-1698 · Original archaeological study or institutional project account · 2017, publisher correction 2018

  16. S3

    Os vestígios líticos do sambaqui Monte Castelo: diversidade material através do tempo

    Universidade de São Paulo · Original archaeological thesis and repository record · 2025

Sources and names remain the property of their respective publishers and communities. Their inclusion is for citation and education; it does not imply endorsement of DNAGENICS. Summaries are original editorial paraphrases and should be checked against the linked source for important use.

Editorial review: October 20, 2026

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