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Tree species composition in different habitats of savanna used by indigenous in the Northern Brazilian Amazonia

Citation

Oliveira R L C, Perdiz R O, Scudeller V V, Barbosa R I, Farias H L S (2022). Tree species composition in different habitats of savanna used by indigenous in the Northern Brazilian Amazonia. Version 1.17. Sistema de Informação sobre a Biodiversidade Brasileira - SiBBr. Occurrence dataset https://doi.org/10.15468/oby3vu accessed via GBIF.org on 2023-02-08.

Description

In order to improve our knowledge on wood plants of these regional ecosystems we carried a tree inventory in four different habitats occurring in indigenous savanna areas of the Northern Brazilian Amazonia. The habitats were divided into two formations: forest (Alluvial forest, Forest island and Buritizais = buriti palm formation) and non-forest (typical savanna). The inventory was carried out on two hectares established in the Darora Indigenous Community region, north of the State of Roraima.

Sampling Description

Study Extent

Atualmente a Terra Indígena São Marcos está dividida em três sub-regiões, onde são encontradas 38 comunidades das etnias Macuxi, Wapixana e Taurepáng: ao norte, denominada Alto São Marcos, região serrana com a presença de floresta ombrófila, encontramos 20 comunidades, principalmente da etnia Taurepáng; ao centro, Médio São Marcos; e ao sul, Baixo São Marcos, ambas com nove comunidades e caracterizadas pelas fisionomias das savanas de Roraima com as etnias Macuxi e Wapixana. Em termos hidrográficos, a TISM apresenta os rios Parimé e Uraricoera, a oeste; Miang Surumu e Tacutu a leste, ainda os rios Samã, Surumu, Paricarana e Maruwai, além de igarapés e lagos. A TISM apresenta cinco tipos vegetacionais, no Alto São Marcos, sendo eles: a Floresta Ombrófila Densa Submontana e a Floresta Estacional Decidual, sendo considerados ecossistemas ricos em espécies madeireiras, apesar do porte baixo, destacando-se o pau-roxo, Peltogyne gracilipis Ducke; no Médio São Marcos, encontra-se o Lavrado caracterizado principalmente por Curatella americana L. (caimbé) e Byrsonima crassifolia (L.) Rich. (murici) além da Mata Ciliar e da Mata de Galeria; e no Baixo São Marcos apresenta a savana estépica e arbórea.

Sampling

Eight plots were installed (each 0.25 ha) at different distances from the Community: four in typical savanna area (nonforest), and another four in several forested habitats (two in riparian vegetation of the Takutu river, one in a buritizal along the Maracajá igarapé (stream), and one in an isolated natural forest island). Each plot was divided into 10 25m x 10m subplots. In the nonforest plots, all trees with diameter greater than or equal to 2 cm, at 2 cm from the soil (DSH ≥ 2 cm). In the forest plots, all individuals with DBH (diameter at the breast high – 1.3 m) ≥ 10 cm were measured. Additionally, the maximum height of each individual was visually estimated.

Quality Control

Samples of the species were collected, and taxonomic identification was performed by botanists, parabotanists and local flora guides. Samples were placed in the herbarium collection of the Universidade Federal de Roraima (UFRR), Boa Vista. Botanical classification followed the APG IV (2016) system. All required federal permissions were obtained (FUNAI: Process 08620.002869 / 201415; IPHAN: Process 01450.001678 / 201488; CEPINPA / CONEP: 814370).

Method steps

  1. Eight plots were installed (each 0.25 ha) at different distances from the Community: four in typical savanna area (nonforest), and another four in several forested habitats (two in riparian vegetation of the Takutu river, one in a buritizal along the Maracajá igarapé (stream), and one in an isolated natural forest island)

Taxonomic Coverages

The study registered 52 species belonging to 28 botanical families (Table 1). Only 13 species were identified at the genus level. The families with the greatest richness in species (S) were Fabaceae (12 spp.) and Malpighiaceae (5). Nonforest areas (typical savanna) are the most densely populated by tree individuals (709 ind ha ); however, they presented lower richness (nine species) when compared with typical forest habitats: riparian forest (22 species, 13 families and 202 ind ha ), forest island. (13 species, 10 families and 264 ind ha ) and buritizais (19 species, 15 families and 600 ind ha ).
  1. Plantae
    rank: kingdom
  1. Humiria balsamifera
    rank: species
  2. Virola mollissima
    rank: species
  3. Tapirira guianensis
    rank: species
  4. Endlicheria sp.
    rank: species
  5. Alchornea sp.
    rank: species
  6. Endlicheria sp.
    rank: species
  7. Hirtella paniculata
    rank: species
  8. Virola mollissima
    rank: species
  9. Ormosia smithii
    rank: species
  10. Humiria balsamifera
    rank: species
  11. Tapirira guianensis
    rank: species
  12. Trattinnickia rhoifolia
    rank: species
  13. Virola surinamensis
    rank: species
  14. Guatteria sp.
    rank: species
  15. Byrsonima sp.
    rank: species
  16. Malouetia sp.
    rank: species
  17. Buchenavia capitata
    rank: species
  18. Curatella americana
    rank: species
  19. Caryocar microcarpum
    rank: species
  20. Amanoa guianensis
    rank: species
  21. Xylopia aromatica
    rank: species
  22. Couepia multiflora
    rank: species
  23. Swartzia sp.
    rank: species
  24. Cassia moschata
    rank: species
  25. Myrcia sp.
    rank: species
  26. Copaifera pubiflora
    rank: species
  27. Sorocea duckei
    rank: species
  28. Cassia sp.
    rank: species
  29. Erythroxylum suberosum
    rank: species
  30. Genipa spruceana
    rank: species
  31. Etabalia dubia
    rank: species
  32. Cynometra bauhinifolia
    rank: species
  33. Vitex cymosa
    rank: species
  34. Bunchosia sp.
    rank: species
  35. Eschweilera sp.
    rank: species
  36. Eugenia sp.
    rank: species
  37. Andira sp.
    rank: species
  38. Eschweilera sp.
    rank: species
  39. Bixa arborea
    rank: species
  40. Hydrochorea corymbosa
    rank: species
  41. Ruprechtia sp.
    rank: species
  42. Vitex schomburgkiana
    rank: species
  43. Bowdichia virgilioides
    rank: species
  44. Godmania aesculifolia
    rank: species
  45. Machaerium aculeatum
    rank: species
  46. Xylosma benthamii
    rank: species
  47. Anadenanthera peregrina
    rank: species
  48. Annona exsucca
    rank: species
  49. Agonandra brasiliensis
    rank: species
  50. Swartzia sp.
    rank: species
  51. Cupania cf. hispida
    rank: species
  52. Byrsonima verbascifolia
    rank: species
  53. Byrsonima coccolobifolia
    rank: species
  54. Byrsonima crassifolia
    rank: species
  55. Byrsonima coccolobifolia
    rank: species
  56. Roupala montana
    rank: species
  57. Antonia ovata
    rank: species
  58. Byrsonima crassifolia
    rank: species
  59. Himatanthus drasticus
    rank: species
  60. Genipa americana
    rank: species
  61. Palicourea rigida
    rank: species

Geographic Coverages

The study area is located in the Darora Community, a Makuxi ethnicity group living within the São Marcos Indigenous Land. Based on data from the Boa Vista weather station, the climate in Darora can be defined as tropical (Aw) according to the Köppen classification, with average annual temperature of 27.8 °C, and average annual rainfall of ~ 1.650mm, with the driest period concentrated between the months of December and March (± 9% annual precipitation), and the wettest period being between May and August (± 70% annual precipitation). The study included four habitats occurring in lavrado area which are used by indigenous from Darora: typical savanna (non-forest formation) and three forest environments (Alluvial forest, Forest island and Buritizais = Mauritia palm formation).

Bibliographic Citations

Contacts

Rodrigo Leonardo Costa Oliveira
originator
position: MSc
UERR
Rua sete de setembro, 231
Boa Vista
69306-530
RR
BR
Telephone: 95981139273
email: rodrigo@uerr.edu.br
userId: http://orcid.org/0000-0003-4429-5296
Ricardo Oliveira Perdiz
originator
position: MSc
INPA/PPGBot
Av. André Araújo, 2936, Aleixo
Manaus
69060-001
AM
BR
email: ricoperdiz@gmail.com
Veridiana Vizoni Scudeller
originator
position: Dr.
UFAM/ICB
Av. General Rodrigo Otávio, 6200
Manaus
69077-000
AM
BR
email: scudellerveridiana@hotmail.com
Reinaldo Imbrozio Barbosa
originator
position: Dr.
INPA/NAPRR
Rua Coronel Pinto, 315, Centro.
Boa Vista
69301-150
RR
BR
email: reinaldo@inpa.gov.br
userId: http://orcid.org/0000-0002-7482-346X
Hugo Leonardo Sousa Farias
originator
position: MSc
PRONAT/UFRR
Av. Capitão Ene Garcez, 2413 – Aeroporto
Boa Vista
69310-000
RR
BR
email: hugosousafarias@hotmail.com
Rodrigo Leonardo Costa Oliveira
metadata author
position: Dr.
UERR
Rua sete de setembro, 231
Boa Vista
69306-530
RR
BR
Telephone: 95981139273
email: rodrigo@uerr.edu.br
userId: http://orcid.org/0000-0003-4429-5296
Rodrigo Leonardo Costa de Oliveira
user
email: rodrigo@uerr.edu.br
Rodrigo Leonardo Costa Oliveira
administrative point of contact
position: Dr.
UERR/Ciências Biológicas
Rua sete setembro, 231
Boa Vista
69307-610
RR
BR
Telephone: 95981139273
email: rodrigo@uerr.edu.br
userId: http://orcid.org/0000-0003-4429-5296
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