Habitat selection models for European wildcat conservation

Klar, Nina; Fernández, Néstor; Kramer‐Schadt, Stephanie; Herrmann, Mathias; Trinzen, Manfred; Büttner, In Grid; Niemitz, Carsten

doi:10.1016/j.biocon.2007.10.004

Cited by 158 publications

(154 citation statements)

References 44 publications

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“…Non-linearity was examined by plotting partial residual plots (Klar et al, 2008) of binomial generalized additive models (GAMs; Supplementary Figure 4; Hastie and Tibshirani, 1987;Austin, 2002;Wood, 2004). The model configuration was identic to the GLMMs, but we fitted smoothing splines with 3 knots for all dependent habitat variables and the NDVI (R-package mgcv 1.8-15).…”

Section: Data Preparation and Analysismentioning

confidence: 99%

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

et al. 2017

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In urban areas with a high level of human disturbance, wildlife has to adjust its behavior to deal with the so called "landscape of fear." This can be studied in risk perception during movement in relation to specific habitat types, whereby individuals trade-off between foraging and disturbance. Due to its high behavioral plasticity and increasing occurrence in urban environments, wild boar (Sus scrofa) is an excellent model organism to study adjustment to urbanization. With the help of GPS tracking, space use of 11 wild boar from Berlin's metropolitan region was analyzed: we aimed at understanding how animals adjust space use to deal with the landscape of fear in urban areas compared to rural areas. We compared use vs. availability with help of generalized linear mixed models. First, we studied landscape types selected by rural vs. urban wild boar, second, we analyzed distances of wild boar locations to each of the landscape types. Finally, we mapped the resulting habitat selection probability to predict hotspots of human-wildlife conflicts. A higher tolerance to disturbance in urban wild boar was shown by a one third shorter flight distance and by an increased re-use of areas close to the trap. Urban wild boar had a strong preference for natural landscapes such as swamp areas, green areas and deciduous forests, and areas with high primary productivity, as indicated by high NDVI (normalized difference vegetation index) values. The areas selected by urban wild boar were often located closely to roads and houses. The spatial distribution maps show that a large area of Berlin would be suitable for urban wild boar but not their rural conspecifics, with the most likely reason being a different perception of anthropogenic disturbance. Wild boar therefore showed considerable behavioral plasticity suitable to adjust to human-dominated environments in a potentially evolutionarily adaptive manner.

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Section: Data Preparation and Analysismentioning

confidence: 99%

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

et al. 2017

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“…To analyze the habitat use, we used a "use versus available" approach (see advantages in Klar et al 2008). Firstly, we generated two sets of points (i.e., use and available).…”

Section: Data Treatmentmentioning

confidence: 99%

The role of fallow in habitat use by the Lesser Kestrel during the post-fledging period: inferring potential conservation implications from the abolition of obligatory set-aside

et al. 2009

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International audienceThe maintenance of fallows has been shown to prevent the loss of farmland biodiversity caused by agricultural intensification. These are mainly introduced as part of both obligatory and voluntary set-aside schemes. However, the obligatory set-aside has recently been abolished by the Common Agricultural Policy Health Check. In this study, we examine the role of fallow in fine-grained habitat use by a threatened farmland bird (Lesser Kestrel) during summer in northwestern Spain. To analyze Lesser Kestrel occurrence, we used generalized linear models, a theoretic-information approach and a hierarchical partitioning analysis. The best AIC-based models explaining occurrence of Lesser Kestrels showed that fallow was the more important habitat type followed, to a lesser extent, by dry cereal stubble and field margin. In contrast, irrigated crops negatively influenced occurrence. Heterogeneity of crop mosaic was not important in explaining occurrence of Lesser Kestrel. Fallows, like dry cereal stubbles and field margins, seem to be suitable for foraging given the abundance of high food resources and their availability due to shorter vegetation cover. The abolition of the obligatory set-aside could reduce the total surface of fallow land (approximately 40.9%), likely affecting habitat use by Lesser Kestrel through an increase of other non-preferred crops (e.g., irrigated crops) or by decreasing food resources. Agri-environment schemes focusing on the maintenance of low-intensive farming systems with a mosaic of crops and semi-natural habitats interspersed should be promoted in premigratory areas to maintain Lesser Kestrel

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“…As there were no strongly correlated variables (|r| < 0.6), they were all included in the models (Green 1979, Fielding & Haworth 1995, Sawyer et al 2006, Klar et al 2008.…”

Section: Statistical Analysis and Modelling Processmentioning

confidence: 99%

“…These alternative hypotheses are then ranked according to their parsimony (Johnson & Omland 2004, Rushton et al 2004, Greaves et al 2006, Klar et al 2008. We designed a set of 128 candidate models of the occurrence of wolverines and wolves based on the following general hypotheses: (1) wolverines seek areas in proximity to wolves (May et al 2008, van Dijk et al 2008a, 2008b; and (2) wolverines and wolves avoid settlements where human presence is continuous (May et al 2006, Krebs et al 2007, Kaartinen et al 2010.…”

Section: Statistical Analysis and Modelling Processmentioning

confidence: 99%

Does Grey Wolf Presence Affect Habitat Selection of Wolverines?

Koskela

Kaartinen

Aspi

et al. 2013

Annales Zoologici Fennici

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Koskela, A., Kaartinen, S., Aspi, J., Kojola, I., Helle, P. & Rytkönen, S. 2013: Does grey wolf presence affect habitat selection of wolverines? -Ann. Scavengers can improve their foraging possibilities by associating with predators that provide food. Therefore, the presence of grey wolves (Canis lupus) may increase scavenging opportunities for wolverines (Gulo gulo). There have been many observations of wolverines utilizing wolf-killed moose (Alces alces), but quantitative information is lacking. We analysed wolverine and wolf habitat selection in eastern Finland, where the two species are sympatric. Generalized linear mixed-effect models were constructed to explain the location of wolverines in terms of their distance from settlements, the forest type and the presence of wolves. We found that wolverines favoured wolf presence, coniferous forests, mixed forests and mires; and avoided settlements, young forests and deciduous forests. These findings improve our understanding of wolverine habitat selection by demonstrating the importance of remote forest areas, as well as the presence of other carnivore species, to wolverines in boreal forests in Finland.

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Habitat selection models for European wildcat conservation

Cited by 158 publications

References 44 publications

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

The role of fallow in habitat use by the Lesser Kestrel during the post-fledging period: inferring potential conservation implications from the abolition of obligatory set-aside

Does Grey Wolf Presence Affect Habitat Selection of Wolverines?

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