Gabriella KrivekUniversität Greifswald · Applied Zoology and Nature Conservation Group
Gabriella Krivek
PhD in Biology (Automated bat monitoring - infrared light barriers
About
12
Publications
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Introduction
Skills and Expertise
Education
July 2019 - June 2023
August 2015 - June 2017
September 2014 - June 2016
Publications
Publications (12)
Camera traps are an increasingly popular survey tool for ecological research and biodiversity conservation, but studies investigating their impact on focal individuals have been limited to only a few mammal species. In this context, echolocating bats are particularly interesting as they rely less on vision for navigation, yet show a strong negative...
Accurate population estimates are crucial to developing successful conservation policy, but the underlying data remain difficult to collect for many taxa. This is especially true for elusive species, such as temperate‐zone bats, where visual counts in hibernacula underestimate their population to an unknown extent. Infrared light barriers that coun...
Automated monitoring technologies can increase the efficiency of ecological data collection and support data‐driven conservation. Camera traps coupled with infrared light barriers can be used to monitor temperate‐zone bat assemblages at underground hibernacula, where thousands of individuals of multiple species can aggregate in winter. However, the...
In the temperate zone, many bat species depend on underground sites during the autumn mating period and as hibernacula in winter. Anthropogenic or natural alteration or destruction of a hibernaculum may severely threaten the bats that rely on the site, especially if they are not aware of suitable alternatives. Currently, the rate at which bats visi...
Flying foxes play keystone ecological roles in plant reproduction. Yet, they face numerous threats, including persecution for eating commercial fruits. This human-wildlife conflict has recently escalated to culling campaigns of a threatened flying fox on Mauritius. Finding non-lethal solutions to this human-wildlife conflict on the island is theref...
Human-wildlife conflicts pose a growing threat to many species worldwide and require increasingly innovative and multi-disciplinary resolutions. Because of their apparent simplicity and political appeal, lethal approaches like culling are often favoured, decisions to cull are typically poorly supported by scientific evidence and the limitations and...
The last surviving Mauritian fruit bat species, Pteropus niger, although endangered, provides essential seed dispersal and pollination services for the threatened native flora. However, their foraging habitats in native forest remnants are dominated by alien invasive plants and are
inhabited by invasive alien animals like long-tailed macaques. Comp...
Telestes croaticus is a freshwater fish endemic in Croatia. It is a stygophile species, living above ground but occasionally retreating into subterranean waters. This species is found in the southwest region of Croatia, in the Lika-Jadova and Ričica drainages, in cold and clear waters in lowland habitats with little current, and in springs and asso...
Introduction: From time to time, it could be useful to revise and re-assess the results of long-term programs in conservation and research. This paper overviews an ongoing research program that started 10 years ago in Central Europe and focuses on blind mole-rats, a scarcely investigated and consequently enigmatic group of rodents.
Systematics and...
Questions
Questions (2)
I am comparing a weeded (decades ago) and non-weeded part of the same forest, regarding the distribution of stems in different DBH categories. Although the expected long-term effect of weeding was that trees have increased growth rate, I found three times more trees above 50 DBH in the non-weeded compared to the weeded. Since it is the same forest, the species composition is very similar, so the difference is not due to some species that tend to grow bigger. Any suggestions would be great for further brainstorming! + The area is in a tropical island (Mauritius), where the main weed, which has been removed is Psidium cattleianum.
In my model, I would like to test how different plant characteristics (e.g. tree height, dbh, crown size) and their distance from the forest edge effects the fruit production. Several articles e.g.Bunyan et al. 2012 explain that the inclusion of multiple edges significantly improved their model fit based on AIC value. I would like to know, if I measure e.g.distances for the forest edge in the 4 cardinal directions for each tree, how could those four measurements be incorporated in one model, to test whether multiple edges have a higher effect than one-edge models.
