Twenty years of New York City street trees: the 1995, 2005 and 2015 street tree censuses, neighbourhood by neighbourhood.
Copyright 2026 Craig Muldoon. Made with Plotlay (https://www.getplotlay.com).

This repository contains code, data we made, and data from the sources below.

CODE
  The notebook and the Power BI project (its Power Query, DAX and report files) are licensed under the MIT licence
  (LICENSE).

DATA WE MADE
  The tables in data/tables/ (live street trees by neighbourhood in each census, the change 1995 to 2015, species
  shares, the citywide counts), the East New York trees in data/trees/, the neighbourhood shapes in data/geometry/ and
  the visuals are licensed under Creative Commons Attribution 4.0 International (LICENSE-DATA). Please credit: "NYC
  street trees, 1995 to 2015: Plotlay (getplotlay.com), from NYC Open Data". They are made from the sources below.

UPSTREAM SOURCES

  NYC Open Data, opendata.cityofnewyork.us. The New York City Charter and Administrative Code (Chapter 5 of Title 23,
  the Open Data Law) say:
    "Such public data sets shall be made available without any registration requirement, license requirement or
    restrictions on their use provided that the department may require a third party providing to the public any
    public data set, or application utilizing such data set, to explicitly identify the source and version of the
    public data set, and a description of any modifications made to such public data set." (Admin Code 23-502 (d))
    "Public data sets made available on the web portal are provided for informational purposes. The city does not
    warranty the completeness, accuracy, content or fitness for any particular purpose or use of any public data set
    made available on the web portal, nor are any such warranties to be implied or inferred with respect to the public
    data sets furnished therein." (Admin Code 23-504 (a))
  Sources, versions and the changes made:
    - 1995 Street Tree Census, Department of Parks and Recreation, dataset kyad-zm4j (last updated 4 October 2017).
      https://data.cityofnewyork.us/d/kyad-zm4j
    - 2005 Street Tree Census, Department of Parks and Recreation, dataset 29bw-z7pj (last updated 10 October 2017).
      https://data.cityofnewyork.us/d/29bw-z7pj
    - 2015 Street Tree Census - Tree Data, Department of Parks and Recreation, dataset uvpi-gqnh (last updated
      4 October 2017).
      https://data.cityofnewyork.us/d/uvpi-gqnh
      Changes to all three: dead trees, stumps, shafts and planting spaces left out; each tree placed by its own
      latitude and longitude into a 2010 Neighborhood Tabulation Area (or, where the census could not place it, the
      area the census itself named); species names written one way for all three censuses.
    - 2010 Census Tracts, Department of City Planning, dataset bmjq-373p.
      https://data.cityofnewyork.us/d/bmjq-373p
      Changes: the tracts dissolved into their 2010 Neighborhood Tabulation Areas (the NTA code each tract carries);
      park, cemetery and airport areas left out of the map; outlines simplified by about 1.5 m.
    Nothing here implies endorsement by the City of New York or any of its agencies.

  Base map in the Plotlay project and the app screenshots
    USGS The National Map: US Topo (public domain).

POWER BI MAP CONTEXT
  The Shape Map in powerbi/ draws the counties round the city with the water cut out: US Census Bureau, TIGERweb
  counties and areal hydrography (public domain).
