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2 Polish Journal of Ecology

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The presence of rabbit warrens in an agricultural landscape is related to patch features and distance to a highway

Delgado Juan A., Castaño-Sánchez Andrea, Bombín Hugo, Jiménez María D.

Polish Journal of Ecology

2023

Vol. 71, nr 1

37--47

Agricultural activities and road construction have been reported as major causes of landscape fragmentation. We have assessed the distribution of warrens of a burrowing mammal, the European rabbit (Oryctolagus cuniculus), in natural vegetation patches within an agricultural mosaic crossed by a highway. The rabbit is considered a key species in Mediterranean ecosystems because of both, its role as a prey, and as an engineering species. We have specifically considered the occurrence and abundance of warrens (a group of entrances < 2 m from each other) as well as their size (number of entrances) and their spatial distribution within natural vegetation patches. Results showed that rabbit occurrence is more likely in natural vegetation patches with steeper slopes, more circular shapes and closer to the highway. In addition, there were more warrens in larger patches and larger warrens were found in larger, steeper, elongated patches. More frequent presence and greater warren abundance found close to the highway may be due to the barrier effect, but attraction due to habitat suitability and protection from predators have also been suggested in the literature. Besides the relevance of the different mechanisms implied, our results suggest that the presence of roads modifies the presence of rabbit warrens across a fragmented agricultural landscape. In this sense, roads could impact rabbit density and, therefore, present relevant implications for the population persistence of this species; also, roads could indirectly affect the distribution and welfare of rabbits' predators.

Selected factors influencing the spatial relationship between latrines and burrows in rabbits Oryctolagus cuniculus (L.) in a suburban area of Madrid (Spain)

Domínguez-Cebrián I., Javier de Miguel F.

Polish Journal of Ecology

2013

Vol. 61, nr 4

819--823

Latrines are a key element of maintenance behaviour in rabbits (Oryctolagus cuniculus), as well as a very important source of social and territorial information. On the other hand, its location probably carries significant costs associated with risk of predation. This study focuses on the factors involved in the spatial distribution of rabbit latrines in a suburban Mediterranean forest in Madrid (central Spain). In total, 167 latrines associated to 15 burrows were analyzed and the following information recorded: distance from each latrine to the burrow, ease of transit between each latrine and the burrow, visibility from the latrine and plant cover around the latrine. Our results show that, although all these factors are involved in the latrines disposition, their specific weight in the same was unequal, being ease of transit, visibility and plant cover more important than the distance between the latrines and the burrow.