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North American Amphibian Monitoring Program
Calling Frog Photograph courtesy of David E. Scott
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Protocol

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Code and Index Definitions
Protocol | Route Creation | Seasonal Sampling Conditions | Nightly Sampling Conditions | Data Collection | Stop Inaccessibility, Relocation, and Retirement | Data Review Process | Index and Code Definitions | Groundtruthing Guidelines

Amphibian Calling Index
1 Individuals can be counted; there is space between calls
2 Calls of individuals can be distinguished but there is some overlapping of calls
3 Full chorus, calls are constant, continuous and overlapping


Beaufort Wind Codes
0 Calm (<1mph) Smoke rises vertically
1 Light Air (1-3 mph) smoke drifts, weather vane inactive
2 Light Breeze (4-7 mph) leaves rustle, can feel wind on face
3 Gentle Breeze (8-12 mph) leaves and twigs move around, small flags extend
4* Moderate Breeze (13-18 mph) moves thin branches, raises loose papers
* Do not conduct survey at Level 4, unless in Great Plains
5** Fresh Breeze (19 mph or greater) small trees begin to sway
** Do not conduct survey at Level 5 in ALL REGIONS

 

Sky Codes (note 3 and 6 are not valid code numbers)
0 Few Clouds
1 Partly cloudy (scattered) or variable sky
2 Cloudy or overcast
4 Fog or smoke
5 Drizzle or light rain (not affecting hearing ability)
7 Snow
8 Showers (is affecting hearing ability). Do not conduct survey

 

Noise Index*
Yes/No system Massachusetts Noise Index Definition
No 0 No appreciable effect
(e.g. owl calling)
No 1 Slightly affecting sampling
(e.g. distant traffic, dog barking, one car passing)
No 2 Moderately affecting sampling
(e.g. nearby traffic, 2-5 cars passing)
Yes 3 Seriously affecting sampling
(e.g. continuous traffic nearby, 6-10 cars passing)
Yes 4 Profoundly affecting sampling
(e.g. continuous traffic passing, construction noise)

*A regional program may choose whether an ambient noise is documented in yes/no format or by using the Massachusetts noise index.

 

 

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