Caroline Hoeschle

Caroline Hoeschle
Bio Consult SH

About

12
Publications
3,882
Reads
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143
Citations
Citations since 2017
3 Research Items
109 Citations
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2017201820192020202120222023051015202530
2017201820192020202120222023051015202530

Publications

Publications (12)
Article
Full-text available
The application of Very-High-Resolution (VHR) satellites to survey cetaceans has gained considerable tractionover the last decade. Large whale species in particular lend themselves to detection by VHR imagery of ~0.50mresolution or less. Processing of satellite images can be manually intensive, and consequently artificial intelligencemethods are un...
Article
Full-text available
The emergence of very high-resolution (VHR) satellite imagery (less than 1 m spatial resolution) is creating new opportunities within the fields of ecology and conservation biology. The advancement of sub-meter resolution imagery has provided greater confidence in the detection and identification of features on the ground, broadening the realm of p...
Article
Full-text available
Most cetacean species are wide-ranging and highly mobile, creating significant challenges for researchers by limiting the scope of data that can be collected and leaving large areas un-surveyed. Aerial surveys have proven an effective way to locate and study cetacean movements but are costly and limited in spatial extent. Here we present a semi-aut...
Technical Report
Full-text available
The first German offshore windfarm (OWF) alpha ventus was constructed between September 2008 and August 2009 in the German Bight north of Borkum, North Sea. It comprises twelve offshore wind turbines on an area of 4 km² and is officially operating since April 2010. Using OWF alpha ventus as a test site, a major goal of this study, being part of pro...
Conference Paper
Full-text available
Underwater noise emissions from pile-driving during the construction of offshore wind farms can physically harm harbour porpoises in the vicinity of the construction site. In order to avoid injury to these animals, German legislation demands that pile-driving noise must not exceed 160dB re 1µ Pa (SEL) at 750 m distance from the sound source. Before...
Article
Full-text available
Although seal scarers are widely used both to reduce economic losses at fish farms caused by seal predation and to reduce risks posed to marine mammals by offshore pile driving activities, the spatial extent of their deterrent effect on harbour porpoises is still largely unclear. However, this information is crucial to understanding the effects the...
Article
Full-text available
Offshore pile driving, e. g. during wind farm construction, produces substantial noise emissions into the water column, which may harm marine mammals. Therefore, it is common practice to attempt to deter the mammals out of potential danger zones beforehand. Seal scarers are commonly used as a deterrent for harbour porpoises in spite of a lack of cl...
Article
The construction of several wind parks in the North and Baltic Sea and the associated pile driving could negatively affect the only resident cetacean species, the harbor porpoise. We studied the efficiency of a Lofitech sealscarer that emits pulses at a main frequency of 14 kHz to temporarily deter harbor porpoises during construction periods in or...

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