NOTICE -- The LBA-ECO Project website is no longer being supported.  This archive is a snapshot, as it existed in 2013, of the LBA-ECO website, maintained by NASA Goddard Space Flight Center, and now archived at the ORNL DAAC.  Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC.
banner
banner banner banner banner banner banner
banner banner banner banner banner banner banner
home aboutlibrarynews archivecontacts banner

spacer
banner
Investigations
Overview
Abstracts & Profiles
Publications
Research Sites
Meetings
Synthesis Groups
LBA-HYDROMET
LBA-Air-ECO
Logistics
Overview
Field Support
Travel
Visa
Shipping
Data
  Overview
Find LBA Data
Investigator Checklist
Process & Policy
Documentation & Archive
Training & Education
  Overview
Activities Summary
T&E Goals
Student Opportunities
  Folha Amazônica
 
spacer

Investigation:

ND-11 (Lehmann / Passos / Couto)

LBA Dataset ID:

ND11_REGENERATION

Originator(s):

1. FELDPAUSCH, T.R.
2. PASSOS, C.A.M.
3. GANDINI, E.
4. JIRKA, S.
      5. MCDONALD, A.J.
6. LEHMANN, J.
7. RIHA, S.J.

Point(s) of Contact:

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Dataset Abstract:

This data set reports the results of field surveys to determine: regeneration diversity and size distribution of plants in primary undisturbed forest; and regeneration diversity and size distribution of trees in a one hundred hectare block, six years after reduced impact logging treatment (vine removal) was applied in 1998. In addition, wood density and carbon concentrations in commercially harvested species are reported. All surveys were performed in 2003 and 2004 within block 5 of the logging concession at the Fazenda Rohsamar in the municipality of Juruena in northwestern Mato Grosso, Brazil. The data are reported in three comma separated files.

Beginning Date:

2003-09-23

Ending Date:

2004-01-21

Metadata Last Updated on:

2010-03-15

Data Status:

Archived

Access Constraints:

PUBLIC

Data Center URL:

http://daac.ornl.gov/

Distribution Contact(s):

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Access Instructions:

PUBLIC

Data Access:

IMPORTANT: The LBA-ECO Project website is no longer being supported. Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC. Please follow the fair use guidelines found in the dataset documentation when using or citing LBA data.
Datafile(s):

LBA-ECO ND-11 Regeneration in Undisturbed and Logged Forests, NW Mato Grosso, Brazil :  http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=965

Documentation/Other Supporting Documents:

LBA-ECO ND-11 Regeneration in Undisturbed and Logged Forests, NW Mato Grosso, Brazil :  http://daac.ornl.gov/LBA/guides/ND11_Regeneration_Succession.html

Citation Information - Other Details:

Feldpausch T.R., C.A.M. Passos, E. Gandini, S. Jirka, A.J. McDonald, J. Lehmann, S.J. Riha. 2010. LBA-ECO ND-11 Regeneration in Undisturbed and Logged Forests, NW Mato Grosso, Brazil. Data set. Available on-line [http://daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A.doi: 10.3334/ORNLDAAC/965

Keywords - Theme:

Uncontrolled Theme Keyword(s):  DEFORESTATION, DENSITY, DIVERSITY, FOREST YIELDS, LIANAS, LIGHT ENVIRONMENT, NATURAL SUCCESSION, REFORESTATION, SILVICULTURAL TREATMENT

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
  MATO GROSSO -10.42490 -10.42490 -58.75970 -58.75970

Related Publication(s):

Gandini, Elenara. 2006. Natural regeneration in gaps within an open Umbriferous forest in the southern region of Amazonia, under a reduced impact logging management regime. Dissertation for a Masters degree in Tropical Agriculture. Universidade Federal de Mato Grosso, Brazil.

Data Characteristics (Entity and Attribute Overview):

Data Characteristics:

All surveys were performed in 2003 and 2004 within logging unit 5 of the logging concession at the Fazenda Rohsamar in the municipality of Juruena in northwestern Mato Grosso, Brazil. Each data file represents a one time survey.



In September/October of 2003, species and size distribution of natural regeneration were evaluated in primary forest in a 1,000 ha block of forest within an area of 25,000 ha which was scheduled to be logged. These survey results are reported in file: ND11_Regeneration_Inventory_Unlogged_Forest_MT_2003.csv



In January 2004, the effect of reduced impact logging treatments on the size and species distribution of regeneration six years after logging (1998) was measured in a 100 ha plot (see sampling map below). Half of the study area was managed using two reduced impact logging (RIL) treatments (either vines were cut before logging (RILVR) or no cutting of the vines (RILVI)) and the remaining 50 hectares was unlogged and used as a control. All naturally regenerating trees and palms were classified into 3 size classes based on height and diameter (DBH): (1) height < 1.0 m, (2) height between 1.0 and 3.0 m, and (3) height > 3.0 m and DBH < 10 cm. These survey results are reported in file: ND11_Regeneration_Inventory_Post-Logging_MT_2004.csv



Carbon content and wood density were determined for the commercially valuable tree species characteristic of this forest. Samples of bole wood were collected from the base and upper end of the bole during a logging operation at the Fazenda Rohsamar. These results are reported in file: ND11_Wood_and_Carbon_Density_MT.csv





Three comma-delimited ASCII files are provided.Variables for each file are provided below:



Data File: ND11_Regeneration_Inventory_Unlogged_Forest_MT_2003.csv



Column Column Heading Units Description

1 Plant_number Plant number within Sample number

2 Common_name Transect number

3 Family

4 Date YYYY/MM/DD

5 Sample_number Sample number along transect. Each sample represents an area X m2

6 Logging_unit Logging unit ID, Unit 5

7 Block Logging block within the logging unit



8 Transect Transect number

9 Size_class (1) height <1.0 m (2)height 1.0 to 3.0 m (3) height >3.0 m and DBH <10 cm



10 Herbaceous Number of herbaceous plants encountered

11 Tree Number of trees encountered

12 Epiphytes Number of epiphytes encountered



13 Palms Number of palms encountered

14 Total Total numer of plants counted

15 Illumination 1= full sun, 2= partial light, 3=shady

16 Side Side of the transect line +1 is the right of the transect line, -1 to the left

Example data record:



Header records omitted



Number,Common name,Family,Date,Sample number,Unit,Block,Transect,Size class,Herbaceous ,Tree,Epiphytes,Palms,Total,Illumination,Side,

1,Amescla-aroeira,Burseraceae,2003/09/23,1,5,8,1,1,0,18,0,0,18,2,1,

2,Cega-corrente,Moraceae,2003/09/23,1,5,8,1,1,0,1,0,0,1,2,1,

3,not identified 1,Not provided,2003/09/23,1,5,8,1,1,1,0,0,0,1,2,1,

...

11,Angelim-amargo,Fabaceae,2003/10/02,61,5,1,22,1,0,0,0,0,1,2,1,

12,Cega-corrente,Moraceae,2003/10/02,61,5,1,22,1,0,2,0,0,2,2,1,

13,Abiurana-folha pequena,Sapotaceae,2003/10/02,61,5,1,22,3,0,2,0,0,2,2,1,



Data File: ND11_Regeneration_Inventory_Post-Logging_MT_2004.csv

Column Column Heading Units Description

1 ID_number Each tree measured within a study sub-plot was given a unique id number

2 Month_year MM-YY Month and year of measurements

3 Common_name

4 Scientific_name

5 Family

6 Life_form Tree or palm

7 Transect Transect id (x coordinate on the study area figure)

8 Sub_plot Sub-plot id (y coordinate on the study area figure)

9 Treatment RILVI= reduced impact logging in 1998 with vines left intact; RILVR= reduced impact logging in 1998 with vines cut prior to logging; CONT.= no logging

10 DBH centimeters Diameter at breast height (DBH) measured at 1.3 m height

11 Commercial_Ht meters Commercial height

12 Tree_Ht meters Total height

13 Canopy_position meters A= emergent, B= canopy, C= sub-canopy, D= mid-canopy, E=understory

14 Trunk_quality A= emergent, B= average, C= poor, D= no commercial value

15 Observations Field notes



Example data record:



Header records omitted



ID_number,Month_year,Common_name,Scientific_name,Family,Life_form,Transect,Sub_plot,Treatment,DBH, Commercial_Ht,Tree_Ht,Canopy_position,Trunk_quality,Observations

1,Jan-04,Amescla-aroeira,Protium heptaphyllum,Burseraceae,tree,E,35,RILVI,47,8,18,C,A,None

2,Jan-04,Imbauba-branca,Cecropia sp,Cecropiaceae,tree,E,35,RILVI,37.5,9,12,C,A,None

3,Jan-04,Cega-corrente,Not provided,Moraceae,tree,E,35,RILVI,99,10,22,B,A,None

...

16,Jan-04,Amescla-aroeira,Protium heptaphyllum,Burseraceae,tree,W,15,CONT.,60,8,12,D,A,None

17,Jan-04,Amescla,Trattinickia sp.,Burseraceae,tree,W,15,CONT.,39,6,12,D,A,None

2,Jan-04,Cega-corrente,Not provided,Moraceae,tree,W,14,CONT.,128,10,26,A,B,None

Data File: ND11_Wood_and_Carbon_Density_MT.csv



Column Number Column Heading Units Description

1 Number Sample number

2 Common_name Common species name

3 Repetition Replicate number

4 Location Location of bole sample: B=base, P=upper end of commercial bole near first branch; Cross-sectional location: center, mid-radius, and bark

5 Wet_weight g Sample wet weight

6 Dry_weight g Sample dry weight

7 Width mm Sample width

8 Height mm Sample height

9 Length mm Sample length

10 Humidity % Caclulated as the difference between wet weight and dry weight divided by total weight*100

11 Dry_mass % Caclulated as the sample dry weight divided by sample wet weight*100

12 Volume cm3 Sample volume calculated as sample width* sample height*sample length/1000

13 Density g/cm3 Sample density calculated as dry weight/sample volume

14 Sample_weight mg Sample used for carbon analysis, dry weight

15 Carbon_mass mg Mass of carbon in analytical sample calculated as carbon concentration*sample weight/1000

16 Carbon_concentration g/kg Carbon concentration, dry weight. Determined by combustion at the Wood Technology Laboratory at the Forest Engineering School (Faculdade de Engenharia de Engenharia Florestal) of the Universdade Federal do Estado de Mato Grosso









Example data record:



Header records omitted



Number,Common_name,Repetition,Location,Wet_weight,Dry_weight,Width,Height,Length,Humidity,Dry_mass,Volume, Density,Sample_weight,Carbon_mass,Carbon_concentration

1,Angelim pedra,1,B- center,23.212,20.89,30.14,19.02,50,10,90,28.66,0.73,20.2,10.1,499.98

2,Angelim pedra,1,B- mid-radius,24.222,21.789,30,19.9,50.16,10.04,89.56,29.95,0.73,18.4,8.99,488.81

3,Angelim pedra,2,B- mid-radius,23.004,20.751,28.8,20.27,50.3,9.8,90.2,29.36,0.71,19,9.25,487.06

...

30,Angelim pedra,1,P-mid-radius,19.715,17.722,29.26,19,50.44,10.1,89.9,28.04,0.63,19.3,9.68,501.4

31,Angelim amargo,1,B- mid-radius,21.42,19.347,28.89,19.9,50.32,9.67,90.33,28.93,0.67,18.4,9.16,497.64

32,Angelim amargo,2***,B- mid-radius,21.625,19.347,29.15,19.61,50.32,8.19,91.81,28.76,0.67,19.5,9.48,486.25

Data Application and Derivation:

These data can be applied to model forest recovery and the effects of reduced impact logging, including species recover and carbon sequestration in undisturbed and logged forests.

Quality Assessment (Data Quality Attribute Accuracy Report):

Quality Assessment:

Care should be taken in using tree taxonomic data since local names were converted to Latin names for species identification.

Process Description:

Data Acquisition Materials and Methods:

Regeneration was evaluated in 2003 in a primary forest in a 1,000 ha block of forest in an area of 25,000 ha which was going to be logged. Regenerating stems were classified into 3 size classes (1) height <1.0m; (2) height 1.0 to 3.0 m; (3) height >3.0 m and diameter at breast height (DBH) <10 cm. The area surveyed around a given tree (plot size) varied with tree size class: for the smallest size class plots were 2 x 2 m, for the intermediate size class plots were 5 x 5 m and for the largest size class plots were 5 x 10 m. Diameter and species identification for each stem was recorded. Relative natural regeneration index was determined by the sum of the relative frequency, relative density and relative size class. A total of 123 species were measured including 111 tree species and 12 palm species with 38 species not identified though 5 of those were identified to family.



In January 2004, the effects of silvicultural treatments on the forest structure were measured by surveying plots in a 100 ha area of which half (50 ha) had been logged using a reduced impact management regime 6 years earlier (1998). Within the treatment area (logged) there were two different management schemes each applied to half the treatment area: vines were cut before logging (RILVR), and no cutting of the vines (RILVI), the unlogged half of the area was considered a control treatment. Trees and palms that had regenerated since the logging treatment were categorized into 3 classes: height < 1.0m; 1.0 > height < 3.0 m; height > 3.0 m and diameter at breast height (DBH) < 10 cm. The area surveyed around a given tree (plot size) varied with tree size class: for the smallest size class plots were 2 x 2 m, for the intermediate size class plots were 5 x 5 m and for the largest size class plots were 5 x 10 m. Diameter and species identification for each stem was recorded.



Carbon content and wood density was determined for commercially valuable tree species characteristic of this forest. Cross-sectional discs were cut from tree trunks which were located in the landing of the logging operation wood samples at the Fazenda Roshamar, in the municipality of Juruena. From each species analyzed samples were taken from two different positions on the stem: base and top of commercial bole and three tangential positions within the disc; center, mid-radius and bark. Mass, carbon content (g kg-1) and density based on dry weight were determined for each sample at the Wood Technology Laboratory at the Forest Engineering School (Faculdade de Engenharia Florestal) of the Univerisdade Federal do Estado de Mato Grosso.





The table below shows selected plot location coordinates (lower left corner) within the transects. UTM Zone 21S.



X-axis

Transect number Y-axis Subplot number UTM X-axis UTM Y-axis

A 1 334873 8833514

A 2 334883 8833548

A 3 334869 8833570

A 4 334865 8833602

B 1 334919 8833530

B 4 334908 8833606

C 1 334968 8833506

C 2 334939 8833550

C 4 334951 8833602

References:

Feldpausch, T.R., A.J. McDonald, C.A.M. Passos, J. Lehmann, and S.J. Riha. 2006. Biomass, harvestable area, and forest structure estimated from commercial timber inventories and remotely sensed imagery in southern Amazonia. Forest Ecology and Management 233(1):121-132.doi:10.1016/j.foreco.2006.06.016







Related Publications



Gandini, Elenara. 2006. Natural regeneration in gaps within an open Umbriferous forest in the southern region of Amazonia, under a reduced impact logging management regime. Dissertation for a Masters degree in Tropical Agriculture. Universidade Federal de Mato Grosso, Brazil.

Skip navigation linksHOME | ABOUT | LIBRARY | NEWS ARCHIVE | CONTACTS | INVESTIGATIONS | LOGISTICS | DATA |TRAINING & EDUCATION

NASA logo
ORNL DAAC
Get Acrobat Reader