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Northeastern Forest Inventory Network

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Tree Status




Sapling Status





DBH (cm)
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Tree Height (m)
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Tree Crown Class

Tree Forest Health Indicator


Seedling Count
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Seedling Size Class

The NEFIN database was last updated
01-11-2024 15:23:45

Results per page:
Title Code State(s) Org Years
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Results per page:
Plot ID Latitude Longitude State Sample Year
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Program Code Species State Tree Sample Year Tree Status DBH (cm) Height (m) Crown Class Forest Health Indicator
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Program Code Species State Sapling Sample Year Sapling Status DBH (cm)
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Results per page:
Program Code Species State Seedling Sample Year Seedling Size Class Seedling Count
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Reading tables to CSV

Warning and errors found in your files when creating CSVs:

PLEASE NOTE:
  • Some programs have elected to fuzz their plot locations, and do not allow direct downloads of their original data which may contain coordinates. NEFIN standardized data is available to download for these programs. Contact FEMC if you would like the original data for these programs.
Download All Packages
  • Original Program Data
  • Standardized Data
  • Related files

include original data in the standardized data file (doc field)

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  • Standardized data

include original data in the standardized data file (doc field)

Download Files Only
*Grayed out packages are for programs who have elected to not allow downloads of original data. Contact FEMC if you would like the original data for these programs.

Search tips are shown on image with Search results tab. [In text format for screen readers]
  • Search for each type of observation using the corresponding tab. You can search for Programs, Plots, Trees, Saplings and Seedlings.
  • Any applicable filters can be applied using the left side bar.
  • Changing between tabs will keep relevant filters applied. For example, if you are on the Tree tab and have a filter applied for DBH above 20cm, changing to the Sapling tab will keep this filter applied. Then changing to the Plot table would give you plots with Saplings having DBH over 20cm.
  • Keep an eye on the SEARCH PARAMETERS box, this will tell you any filters that are being applied to the current tab.
  • Each table will give you a sample of the available data. To download the dataset with filters applied, click on the Downloads tab or Download results link.
  • Clear all filters and visit the Data Downloads tab to download the entire dataset.
  • Below are the fields you can expect to see when you download the NEFIN standardized datasets.

NEFIN Field Description
_nefin_plot_obsIDA unique ID for this observation.
_nefin_plotIDA unique ID for this plot in the NEFIN system.
_nefin_stateState the plot is located within
docOriginal program data for this observation (in JSON format)
latPlot location latitude (may be fuzzed)
longPlot location longitude (may be fuzzed)
plotIDPlot ID given by the program.
plotSampleYearYear the plot was sampled.
programIDThe program's assigned ID within the NEFIN system.

NEFIN Field Description
_nefin_plot_obsIDA unique ID for the corresponding plot observation.
_nefin_plotIDA unique ID for the plot in the NEFIN system.
_nefin_stateState the tree is located within.
_nefin_tree_obsIDA unique ID for this tree observation.
_nefin_treeBAPHTree basil area per hectare measured in square meters.
_nefin_treeCntPHTree count per hectare.
_nefin_treeIDA unique ID for this tree in the NEFIN system.
crownClassNEFIN standardized crown class code of the tree.
crownHeightHeight to live crown, measured in meters.
DBHThe diameter at breast height of the tree at 4.5 feet above the ground, measured in centimeters.
docOriginal program data for this observation (in JSON format)
forestHealthImpactIndicates presence of forest health measurement in ancillary data.
heightRecorded height of trees, measured in meters.
programIDThe program's assigned ID within the NEFIN system.
treeIDTree ID given by the program.
treePlotIDPlot that this tree is located on, assigned by the program.
treeSampleYearYear the tree was sampled.
treeSpeciesNEFIN standardized species of the tree.
treeStatusNEFIN standardized tree status code.
TSNThe taxonomic serial number of the tree.

NEFIN Field Description
_nefin_plot_obsIDA unique ID for the corresponding plot observation.
_nefin_plotIDA unique ID for the plot in the NEFIN system.
_nefin_sapling_obsIDA unique ID for this sapling observation.
_nefin_saplingBAPHSapling basil area per hectare measured in square meters.
_nefin_saplingCntPHSapling count per hectare.
_nefin_saplingIDA unique ID for this sapling in the NEFIN system.
_nefin_stateState the sapling is located within.
docOriginal program data for this observation (in JSON format)
programIDThe program's assigned ID within the NEFIN system.
saplingDBHThe diameter at breast height of the sapling.
saplingIDSapling ID given by the program.
saplingPlotIDPlot that this sapling is located on, assigned by the program.
saplingSampleYearYear the sapling was sampled.
saplingSpeciesNEFIN standardized species code of the sapling.
saplingStatusNEFIN standardized sapling status code.
saplingSubplotIDSubplot that this sapling is located on, assigned by the program.
TSNThe taxonomic serial number of the sapling.

NEFIN Field Description
_nefin_plot_obsIDA unique ID for the corresponding plot observation.
_nefin_seedling_obsIDA unique ID for this seedling group observation in the NEFIN system.
_nefin_seedlingCntPHSeedling count per hectare.
_nefin_seedlingIDA unique ID for this seedling group in the NEFIN system.
_nefin_stateState the seedling observation is located within.
docOriginal program data for this observation (in JSON format)
programIDThe program's assigned ID within the NEFIN system.
seedlingCountNumber of seedlings in this observation.
seedlingPlotIDPlot that this seedling observation is located on, assigned by the program.
seedlingSampleYearYear of this seedling observation.
seedlingSizeClassNEFIN standardized size class code for this seedling observation.
seedlingSpeciesNEFIN standardized species of the seedling observation.
seedlingSubplotIDSubplot that this seedling observation is located on, assigned by the program.
TSNThe taxonomic serial number of the seedling observation.
  • Below are NEFIN standardized code lists.

NEFIN Code Description
1Live
2Dead
3Missing
4Unknown status

NEFIN Code Description
1Overstory
2Understory
3Undetermined

NEFIN Code Description
0Undefined size class
1MACFI 1- Greater than or equal to 3 inches DBH and less than one foot in height
2MACFI 2-1 foot to 4.5 feet in height
3MACFI 3-4.5 feet in height to 1.0 inch DBH
4MACFI 4- 1 inch to 4.99 inches DBH
5MEER 1- DBH less than 1 inch. Hardwood over 12 inches (30.5 cm) tall, and softwood over 6 inches (15.2 cm) tall.
6FEMCFHM 1- Conifers less than 6 in. (15 cm) tall. Hardwoods less than 12 in. (30 cm) tall.
7FEMCFHM 2- Less than 1 inch (2.54 cm) DBH. Conifers over 6 inches (15 cm) tall. Hardwoods over 12 inches (30 cm) tall.
8NETN 1- under 5 cm in height
9NETN 2- 5 to 15 cm in height
10NETN 3- 15 to 30 cm in height
11NETN 4- 30 to 100 cm in height
12NETN 5- 100 to 150 cm in height
13NETN 6- Greater than 150 cm in height
14VTCFI 1- 6 to 12 inches in height
15VTCFI 2- 12-24 inches in height
16VTCFI 3- 24-54 inches in height
17VTCFI 4- Greater than 54 inches in height
18NYCDEP 1- Greater than or equal to 1 foot and less than 5 feet in height
19FEMCFHM - All size classes

NEFIN Code Description
1Live
2Dead
3Missing
4Unknown status
5Grew into tree
Seedling Size Classes
NEFIN Code Program Size Class Definition
0 Undefined size class
1 MACFI 1- Greater than or equal to 3 inches DBH and less than one foot in height
2 MACFI 2-1 foot to 4.5 feet in height
3 MACFI 3-4.5 feet in height to 1.0 inch DBH
4 MACFI 4- 1 inch to 4.99 inches DBH
5 MEER 1- DBH less than 1 inch. Hardwood over 12 inches (30.5 cm) tall, and softwood over 6 inches (15.2 cm) tall.
6 FEMCFHM 1- Conifers less than 6 in. (15 cm) tall. Hardwoods less than 12 in. (30 cm) tall.
7 FEMCFHM 2- Less than 1 inch (2.54 cm) DBH. Conifers over 6 inches (15 cm) tall. Hardwoods over 12 inches (30 cm) tall.
8 NETN 1- under 5 cm in height
9 NETN 2- 5 to 15 cm in height
10 NETN 3- 15 to 30 cm in height
11 NETN 4- 30 to 100 cm in height
12 NETN 5- 100 to 150 cm in height
13 NETN 6- Greater than 150 cm in height
14 VTCFI 1- 6 to 12 inches in height
15 VTCFI 2- 12-24 inches in height
16 VTCFI 3- 24-54 inches in height
17 VTCFI 4- Greater than 54 inches in height
18 NYCDEP 1- Greater than or equal to 1 foot and less than 5 feet in height
19 FEMCFHM - All size classes
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Fuzzed Plot Locations
One or more programs in your search have elected to fuzz their plot data. Only standardized data (not original) will be downloaded for these programs. If you would like the original data, please contact FEMC.

Downloading Data from the Northeastern Forest Inventory Network

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Data Types Included:

Name Definition
Ancillary Files
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FEMC logo Vermont Agency of Natural Resources logo Forest, Parks, and Recreation New York Department of Environmental Conservation Massachusetts Department of Conservation and Recreation University of Massachusetts Amherst Nature Conservancy National Park Service The Maine Natural Areas Program New Hampshire Department of Natural and Cultural Resources US Forest Service logo UVM logo