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An effective survey method for studying volant species activity and behavior at tall structures.

ABSTRACT: The effects of anthropogenic modification of air space on wildlife, particularly volant species, is not fully understood. Thus, it is essential to understand wildlife-interactions with tall structures to implement effective mitigation strategies. Yet, we are currently lacking standard protocols for visual surveys of wildlife behavior at such heights. Our study sought to determine an effective, repeatable method using readily available night vision and thermal technology to survey wildlife at tall structures. Using bats as the taxonomic group of interest, we (1) created a key to identify bats and their behavior, (2) compared the effectiveness of 2 different technologies, and (3) assessed optimal equipment placement to visually capture bat activity and behavior in proximity to wind turbine towers. For the latter, we tested thermal cameras at four distances from the base of the tower. The results of our study revealed that thermal cameras captured ?34% more flying animals than night vision at a 2 m distance. However, due to the heat signature of the turbine towers themselves, it was challenging to identify behaviors and interactions that occurred in close proximity to the towers. In contrast, it was difficult to identify bats approaching the towers using night vision, yet we were able to clearly observe interactions with the towers themselves. With regards to equipment placement, we visually captured more bats with the thermal cameras placed 2 m from the tower base compared to farther distances. From our findings, we recommend that when using either thermal or night vision technology at tall structures, they be placed 2 m from the base to effectively observe interactions along the length of these structures. In addition, we further recommend that consideration be given to the use of these two technology types together to effectively conduct such surveys. If these survey techniques are incorporated into standard protocols, future surveys at a variety of tall structures are likely to become comparable and repeatable, thereby more effectively informing any mitigation strategies that may be required.

SUBMITTER: Huzzen BE

PROVIDER: S-EPMC7023825 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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An effective survey method for studying volant species activity and behavior at tall structures.

Huzzen Brynn E BE Hale Amanda M AM Bennett Victoria J VJ

PeerJ 20200212

The effects of anthropogenic modification of air space on wildlife, particularly volant species, is not fully understood. Thus, it is essential to understand wildlife-interactions with tall structures to implement effective mitigation strategies. Yet, we are currently lacking standard protocols for visual surveys of wildlife behavior at such heights. Our study sought to determine an effective, repeatable method using readily available night vision and thermal technology to survey wildlife at tal ...[more]

PMID: 32095329

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Project description:BACKGROUND:Levels of physical activity and happiness may impact the health and performance of future doctors. The specific relationship between physical activity and happiness among first year medical students is unclear. The purpose of this study was to investigate these variables and how they relate within first year, graduate entry Bachelor of Medicine, Bachelor of Surgery students studying in Cyprus. METHODS:Self-administered questionnaires were provided for all first year medical students at the St. George's University of London medical programme delivered by the University of Nicosia Medical School in Cyprus. Physical activity was assessed using the International Physical Activity Questionnaire Short Form and happiness was assessed using the Short Depression Happiness Scale. Surveys were completed by 79 of the 120 students (median age of 24?years). Happiness and continuous measures of physical activity amounts were investigated using spearman's rank-order correlation. Mann-Whitney U Tests were used to make further comparisons between the physical activity levels across happy and depressed groups and gender, as well as to compare the levels of happiness reported by each gender. RESULTS:High levels of physical activity were evident in 60.8% of students. Results suggested depression among 15.2% of students. A positive correlation was observed between happiness and amount of vigorous intensity physical activity among female students (p?<?0.05), but not males. Happy females performed more vigorous physical activity than depressed females (p?<?0.05). The total amount of physical activity performed, as well as level of happiness, did not significantly differ between genders. CONCLUSIONS:A relationship exists between physical activity and happiness among female first year medical students. The intensity of physical activity may play an important role within this group. There appears to be relatively high levels of physical activity and low levels of depression among male and female first year medical students studying in Cyprus. This study provides new knowledge regarding relationships between happiness and physical activity among first year medical students, and is also the first characterization of happiness and physical activity habits among students in Cyprus. This may help to inform future policies aimed at promoting health and wellness within student communities.

Dataset Information

An effective survey method for studying volant species activity and behavior at tall structures.

Publications

An effective survey method for studying volant species activity and behavior at tall structures.

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