Plum Island Ecosystems LTER Database

Acceptance and utilization of LTER data requires that:

(1) The Principal Investigator be sent a notice stating reasons for acquiring any data and a description of the publication intentions.
(2) The Principal Investigator of the data set be sent a copy of the report or manuscript prior to submission and be adequately cited in any resultant publications.
(3) A copy of any resultant publications should be sent to:

Principal Investigator
Ecosystems Center
Marine Biological Laboratory
7 MBL St.
Woods Hole, MA 02543

Dataset URLs:METADATA: HTML, Rich Text, XML(EML compliant)
DATA: Comma Delimited, Excel file with Metadata and data
Dataset ID:MON-EX-PRNWR-Volunteer-Birds.02
Dataset Title:Bird observations collected by volunteers along census tracks in the Parker River National Wildlife Refuge, intervals of observations are approximately twice a month.
Investigator 1: 
First Name:Nancy
Last Name:Pau
Address line 1:Parker River National Wildlife Refuge
Address line 2:6 Plum Island Turnpike
Address line 3:
Zip Code:01950
Associate Investigators:Deborah Melvin, Robert Buchsbaum
Keywords:PIE LTER, population dynamics, birds, bird censuses, Parker River National Wildlife Refuge
Abstract:This file contains bird observations collected by volunteers along census tracks in the Parker River National Wildlife Refuge, Massacusetts. Intervals of observations are approximately twice a month
Contact: Plum Island Ecosystems LTER Information Manager
The Ecosystems Center
Marine Biological Lab
7 MBL St
Woods Hole, MA 02543
Phone (508) 289 7485
Online URL:
Data File URL
Data File Name MON-EX-PRNWR-Volunteer-Birds
Beginning Date 3/23/1994
End Date 10/22/2003
Number of Data Records 10777
Other Files to Reference
Availability Status Type 1
Quality Control Information
Maintenance Description
Log of Changes: Version 02: January 20, 2017, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jul2016.xlsm 7/20/16 5:08 PM for QA/QC to EML 2.1.0
Geographic Description Parker River National Wildlife Refuge, Massachusetts, approximate center point of the property.  
Location Bounding Box    
West Bounding Coordinate    
East Bounding Coordinate    
North Bounding Coordinate    
South Bounding Coordinate    
OR if single point location    
Latitude 42.7453  
Longitude -70.8047  
Taxonomic Protocols
Organisms studied
Methods:Counts carried out at semi monthly intervals along predetermined census tracks and observation points. Census units are linear tracks and observation points accessible by trails and from the refuge road at the Parker River National Wildlife Refuge. Observer recorded all birds seen while along each census unit. Observer drove from place to place making observations along the way using binoculars and a spotting scope.

Data Table

Variable Name Variable Description Units Measurement Scale Code Information Number Type DateTime Format Missing Value Code Missing Value Code Explanation
Census Unit Code name of part of sampling route where observations were made   nominal beach = observed from the open beach of Plum Island | bfp = Bill Forward Pool | field = field habitats | marsh = salt marsh | np = North Pool | sip = Stage Island Pool     NA NA = not available
Date The date of the survey   datetime     DD-MON-YYYY NA NA = not available
Start Time Time census started in EST, 24 hr   datetime     hh:mm NA NA = not available
End Time Time census ended in EST, 24 hr   datetime     hh:mm NA NA = not available
Scientific Name an abbreviation of the scientific name of the bird species. First two letters of genus in upper case, first five letters of species name in lower case   nominal       NA NA = not available
Common Name full common name of the bird species   nominal       NA NA = not available
Count number of individuals of each species observed or heard at each census unit number ratio   real   NA NA = not available
Comments comments about data   nominal