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Fine root production in human-modified forests of Eastern Amazonia

This dataset includes measurements of soil respiration in 20 plots (250 x 10 m each) in the Brazilian Amazon. Study plots were distributed across a gradient of forest disturbance, including: undisturbed primary forests , logged primary forests, logged-and-burned primary forests, and secondary forests. Data were collected from October 2014 until May 2018. In December 2015, during the El Niño-mediated drought, eight of our study plots were affected by understory fires. Full details about this dataset can be found at https://doi.org/10.5285/def51d3d-d653-40ca-8231-a238b0c66975

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Metadata Language
English (en)
Character set
utf8
Dataset Reference Date ()
2019-01-31
Identifier
https://catalogue.ceh.ac.uk/id/def51d3d-d653-40ca-8231-a238b0c66975
Identifier
doi: / 10.5285/def51d3d-d653-40ca-8231-a238b0c66975
Other citation details
Berenguer, E., Rossi, L. C., Seixas, M.M.M., Barlow, J. (2019). Fine root production in human-modified forests of Eastern Amazonia . NERC Environmental Information Data Centre 10.5285/def51d3d-d653-40ca-8231-a238b0c66975
  Lancaster University - Berenguer, E.
  Universidade Estadual Paulista - Rossi, L. C.
  Unaffiliated - Seixas, M.M.M.
  Lancaster University - Barlow, J.
  Lancaster University - Berenguer, E.
  NERC EDS Environmental Information Data Centre
  NERC Environmental Information Data Centre
Keywords
  • Environmental risk
  • Land use
  • Forest fire
  • Fine root production
  • Forest ecology
  • ECOFOR
  • HMTF
  • Brazilian Amazon
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This resource is made available under the terms of the Open Government Licence
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© Natural Environment Research Council
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If you reuse this data, you should cite: Berenguer, E., Rossi, L. C., Seixas, M.M.M., Barlow, J. (2019). Fine root production in human-modified forests of Eastern Amazonia . NERC Environmental Information Data Centre https://doi.org/10.5285/def51d3d-d653-40ca-8231-a238b0c66975
Spatial representation type
textTable
Distance
10  urn:ogc:def:uom:EPSG::9001
Topic category
  • Biota
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W


Begin date
2014-10-01
End date
2018-05-31
 
Code
WGS 84

Distribution Information

Data format
  • Comma-separated values (CSV) ()

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Report

Dataset Reference Date ()
2010-12-08
Statement
We assessed roots production in 20 study plots (0.25ha) distributed along a gradient of forest disturbance in Eastern Amazonia: undisturbed primary forests (n = 5), logged primary forests (n = 5), logged-and-burned primary forests (n = 5), and secondary forests (n = 5). Forest disturbance classes were based on both an analysis of canopy disturbance in a chronosequence of satellite images (1988 to 2010) and on field assessments of fire scars, charcoal, and logging debris. In each plot we installed four in-growth soil cores (12 cm Diameter x 40 cm deep) using a plastic mesh (mesh size = 1.5cm). Each in-growth core was placed 50m apart. Cores were set 30cm deep into the soil, with 10cm aboveground. Before each sampling, both the soil temperature were measured inside and outside the in-growth core. In the field, each soil core was placed on a plastic sheet and broken in smaller parts until was homogenically spread. For the first measurement, called root stock, roots were collected in 24 intervals of five minutes each (three minutes break between intervals). The soil was homogenized before every new interval. After the sampling, the soil was placed back in the hole with the in-growth core inside. The sampled roots were taken to the laboratory and washed in a plastic sieve (2 mm mesh size), oven-dried at 60oC for 72 h and weighed. The second measure is taken 3 months after the first one, which gives us the first stock of fine root production. We collect the soil in the same hole and use the same method to collect the roots, but with 12 intervals of five minutes each (three minutes break between intervals). The laboratory procedure was the same. After three months, we take another measure in the same hole, using the same method as the second measure. After one year, the soil core is taken around 30 cm next to the first one, as the soil becomes physically disturbed and compact, which influences root production. For this new in-growth core, we start the sampling again with 24 intervals.

Metadata

File identifier
def51d3d-d653-40ca-8231-a238b0c66975 XML
Metadata Language
English (en)
Character set
ISO/IEC 8859-1 (also known as Latin 1)
Resource type
dataset
Hierarchy level name
dataset
Metadata Date
2022-05-18T12:29:10
Metadata standard name
UK GEMINI
Metadata standard version
2.3
  Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg , Lancaster , LA1 4AP , UK
 
 

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