EcoMonitoring 



Name: HISTRIONICUS HISTRIONICUS 

 Conunon name: HARLEQUIN DUCK 



Reference code: EM.USMTHP * 28 Survey site: VERMILION RIVER 



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: 1993-05-12 

 1993-05-27 

 1993-07-27 

 1993-07-28 

 1993-08-01 



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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