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Research Article Open access CC BY 4.0

Quantification of Root Biomass in Post-Mining Areas in the Municipality of Capitão Poço – PA, Brazil

Jamilie Brito de Castro, Renisson Neponuceno de Araújo Filho, Victor Casimiro Piscoya, Cristiane Maria Gonçalves Crespo, Renata de Oliveira Fernandes, Vanessa Corrêa da Mata, Edson dos Santos Fernandes Junior, Helaine Cristine Gonçalves Pires, Moacyr Cunha Filho, Gerson Diego Pamplona Albuquerque, Thaiana Brunes Feitosa, Milton Marques Fernandes, Raimundo Rodrigues Gomes Filho, João Lucas Aires Dias, Luiz Diego Vidal Santos

Annual Research & Review in Biology · pp. 84–92 · Published 4 Dec 2021

10.9734/arrb/2021/v36i1130453

Abstract

The present work aimed to quantify the concentrations and biomass stock of fine andthick roots, in three areas in the municipality of Capitão Poço-PA, Brazil. The areas used were degraded area, recovery area and native forest. For soil sampling, 24 trenches were opened, measuring 70 x 70 x 100 cm. In these trenches, soil samples were taken at depths 0-10, 10-20, 20-30, 30-40, 40-50, 50-60, 60-80 and 80-100 cm and sieving was carried out.All roots and other underground plant structures that remained in the sieve were collected by manual collection. The roots were separated into two diameter classes: fine roots ≤ 5 mm and thick roots > 5 mm, kiln dried and weighed.In the analysis, higherconcentrationsofthickand fine roots were observed in an area of native forest at depths of 0-10 and 10-20 cm. In the areas analyzed in this study, the root density in the topsoil of 0-10 cm was mainly composed of fine roots.In the three areas analyzed in this study, it was observed that from a depth of 10-20 cm there were decreases in theconcentrationsofthick roots. The area under recovery approached the area of native forest in the concentration of fine roots, demonstrating possible improvements in soil quality and recovery is probably actually taking place.

Degraded area recovery root stock underground biomass

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Cited by 2

Stocks of elements in roots in areas of post-pebble mining recovery in the Pará state

Samila B. Lima, Jamilie B. de Castro, Victor C. Piscoya · Revista Caatinga · 2024

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