Willey-Willey grasshopper census method (Acrididae)

Subcategory: demographic monitoring

Standard reference: Willey and Willey (1967)

Papers: 2 | Mentions: 2

Local Knowledge Graph (13 entities)

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Description

Systematic walking surveys through grasshopper habitat to count and score individuals for wing color morphs (orange vs yellow) across multiple populations and years. Researchers targeted 100 individuals per deme using non-repeating spatial patterns.

Typical Equipment

U.S. Geological Survey 7.5-minute topographic maps
field data sheets

Output Measurements

wing color frequencies
population sizes
morph ratios

Papers Using This Protocol (2)

student_paper

Predator and prey species have opposing responses to recreational trail use

2019using

article

Barriers to gene flow in natural populations of grasshoppers. II. Maintenance of narrow hybrid-zones between morphs of Arphia conspersa on Black Mesa, Colorado

1971Psycheusing