Point Counts by Habitat, Chajul, Mexico, 1991-1992

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Abstract

The notes document Russell Greenberg's work on a point count vegetation sampling in Chajul, Mexico, 1991-1992. Data is recorded on pre-printed sheet listing habitat (e.g. scrubby habitat), location (e.g. Atras scruby transec.), point (e.g. #1), date, observers, arroyo dimensions, distance to bosque, % ground cover, followed by foliage ht profile, scrub stem density organized by 0-5 cm, 6-10 cm, 11-20 cm, and 21+. Table of data is followed by comments that frequently provide additional description of vegetation. The first sheets contain data sampling for 2 points per page and are organized by tabs: scrub, forest gap, forest, gallery forest, cacao, and a missing tab. Also includes sheets that list transect name (e.g. scrubby potrero), date, page 3, followed by a table of data containing transect unit, vegetation category, percent covered left half, per cent cov right half, most common plants (when known), height of most common plants, and comments. Comments include addition information about location and vegetation.

Date Range

1991-1992

Start Date

1991

End Date

1992

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.

Topic

  • Animals
  • Migratory birds
  • Birds
  • Plants
  • Ornithology
  • Botany

Place

  • Mexico
  • Chajul

Form/Genre

  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 16-179

Collection name

Smithsonian Migratory Bird Center Research Records, 1969-2011

Physical Description

field book

Physical Location

Smithsonian Institution Archives

Sublocation

Box 7 Folder 15-17