Airsurveys of breeding and wintering Steller's sea eagle at Kamchatka: successes, failures and perspectives By Alexander LADYGUIN |
Contents: Specific of air survey at Kamchatka Brief historical review: scope of the areas, covered by helicopter surveys Technique methods, tools and techniques, strategyes disadvantages) Results: breeding: - status - distribution wintering: - status - distribution Perspective of future monitoring of a populations |