EcoMonitoring 



Name: HISTRIONICUS HISTRIONICUS 

 Common name: HARLEQUIN DUCK 



Reference code: EM.USMTHP * 23 Survey site: ROCK CREEK (NOXON) 

 Goals & Objectives: 



Management plan: Monitoring plan: 



Monitoring level: 



Management goals: 



Monitoring goals: TRACK CHANGES IN THE POPULATION AND REPRODUCTIVE SUCCESS; 



DETERMINE SITE FIDELITY. 



Parameter: Threshold note: 



SINGLE MALES 1 



SINGLE FEMALES 1 



PAIRS 1 



JUVENILES 1 



BROODS O 



Methods: VISUAL SURVEYS, WALKING LENGTH OF EO UPSTREAM (IF POSSIBLE). 



Sampling frequency: MINIMUM TWICE PER YEAR, CA. MAY & JULY /AUGUST. 



Visit dates: 1993-07-31 

 Coordinator: REICHEL, JIM 



Trends & Recommendations : 



Short-term trend: UNKNOWN Long-term trend: UNKNOWN 

 Interpretation : 



Current condition: UNKNOWN 

 Comments : 



Management recommendations: 



Monitoring recommendations: 



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