Historical hunting regulation documentation and mapping (Aves)

Knowledge graph centered on Historical hunting regulation documentation and mapping (Aves) with 47 nodes and 141 connections. Top connected: Artemisia, chickens, All Chickens, endangered species, Bromus.

Method synopsis

Comprehensive compilation and spatial analysis of hunting season regulations across jurisdictions over 150-year period, including digitization of harvest boundaries and calculation of area-weighted regulatory metrics.

Synthesized from method descriptions across 1 paper using this protocol.

Procedure as described in the canonical source

Steps below were extracted from the paper that introduces this protocol — Changes in hunting season regulations (1870s–2019) reduce harvest exposure on greater and Gunnison sage-grouse (2021), PLOS ONE. Implementations in other papers (listed below) may differ.

1. Literature search and data collection
   Conducted thorough literature search and obtained season closure documentation from management agencies in all 11 western U.S. states and 2 Canadian provinces from 1870s-2019. Used this information to generate an inclusive timeline detailing the history of sage-grouse hunting.
   Quantities: 11 U.S. states, 2 Canadian provinces, ~150 years of data (1870s-2019)Duration: Historical period from 1870s-2019Conditions: NA - archival research
   Equipment: literature sources, management agency documents
2. Digitize harvest boundaries
   Digitized administrative harvest boundaries to the smallest harvest unit available from all management agencies using ArcMap version 10.2. Harvest boundaries from all harvest units were annotated with the corresponding legal area open to hunting, bag/possession limits, season length (number of days and weekends), and Julian date of the opening day for each year.
   Quantities: All harvest units across 11 states and 2 provinces, annual data for 1995-2018 assessment periodDuration: Annual data collection for 24-year period (1995-2018)Conditions: NA - GIS analysis
   Equipment: ArcMap version 10.2, ESRI Redlands CA
3. Calculate harvest exposure areas
   Defined the area where greater sage-grouse were most likely exposed to hunters as 8-km documented distance where most annual activity for greater sage-grouse occurs around all active sage-grouse leks. Calculated the percent decline of area within harvest boundaries and area-weighted average harvest effort for each year based on percent difference compared to 1995.

Typical Equipment

• ArcMap version 10.2
• literature sources
• management agency documents
• hunter survey data
• check station data

Output Measurements

• harvest area boundaries
• bag limits
• possession limits
• season length
• season start dates
• area-weighted regulatory averages

Papers Using This Protocol (1)

Species Studied With This Protocol