An aerial sightability model for estimating ferruginous hawk population size
Article Abstract:
A sightability model for nesting ferruginous hawks that could account for nests missed during raptor aerial surveys is proposed. A multiple logistic regression model identified among significant predictors of detection rates the nest substrate type, distance to nest and observer experience level. Results showed that the overall model was significant and that the correct classification rate was 78.4%. Results suggest that the use of the predictive sightability model in standardized aerial surveys can provide more accurate population estimates for nesting ferruginous hawks.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1999
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Parallel lasers for remote measurements of morphological traits
Article Abstract:
An aluminum frame that holds parallel laser pointers and a digital camera is designed to remotely measure horn growth of free-ranging Alpine ibex (Capra ibex). This technique is found to be simple, precise and beneficial to various ecological studies requiring linear measurements and also aids in measuring body features with enhanced consistency of individual photographic identification.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 2007
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Spring census of mid-continent sandhill cranes using aerial infrared videography
Article Abstract:
The usage of aerial infrared videograhy in assessing the spring population of nocturnal sandhill cranes in Nebraska region is presented.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 2006
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