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See detailRecent evolution of the status of the European mink (Mustela lutreola) and of the otter (Lutra lutra) in France.
Libois, Roland ULg; de Bellefroid, Marie des Neiges; Rosoux, René

in III International Symposium "Semiaquatische Säugetiere und ihre Lebenräume (1999, May)

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See detailSuncus etruscus (Savi, 1822)
Libois, Roland ULg; Fons, Roger

in Mitchell-Jones, A.J.; Amori, A.; Bogdanowicz, B. (Eds.) et al The atlas of European mammals (1999)

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See detailCrocidura suaveolens (Pallas, 1811)
Libois, Roland ULg; Ramalhinho, Maria da Graça; Fons, Roger

in Mitchell-Jones, A.J.; Amori, A.; Bogdanowicz, B. (Eds.) et al The atlas of European mammals (1999)

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See detailCrocidura russula (Hermann, 1780)
Ramalhinho, Maria da Graça; Libois, Roland ULg; Fons, Roger

in Mitchell-Jones, A.J.; Amori, G.; Bogdanowicz, W. (Eds.) et al The atlas of European mammals (1999)

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See detailMartin pêcheur d'Europe, Alcedo atthis
Libois, Roland ULg; Hallet, Catherine

in Rocamora, Gérard; Yeatman Berthelot, Dosithée (Eds.) Oiseaux menacés et à surveiller en France. Liste rouge (1999)

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See detailOn the genetic structure of the Iberian wood mouse (Apodemus sylvaticus) populations. An analyse of mtDNA restriction patterns
Michaux, J; Libois, Roland ULg; Ramalhinho, Maria da Graça et al

in Reig, S. (Ed.) Abstracts of the Euro American mammal congress (1998, July)

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See detailThe diet of the European mink (Mustela lutreola) in south west France. First results.
Libois, Roland ULg; Fellous, Amina; Rosoux, René et al

in Reig, S. (Ed.) Abstracts of the Euro American mammal congress (1998, July)

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See detailIs the woodmouse (Apodemus sylvaticus) of sicily a distinct species?
Michaux, Johan ULg; Sara, Maurizio; Libois, Roland ULg et al

in Belgian Journal of Zoology (1998), 128(2), 211-214

[No abstract available]

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See detailLe hérisson, Erinaceus europaeus
Maréchal, Corinne; Libois, Roland ULg

Learning material (1998)

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See detailL’Ecureuil, Sciurus vulgaris
Maréchal, Corinnne; Libois, Roland ULg

Learning material (1998)

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See detailCigognes sans frontières: le passé et l'avenir
Jadoul, Gérard; Libois, Roland ULg

Learning material (1998)

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See detailForaging and feeding ecology of the Serotine bat Eptesicus serotinus
KERVYN, Thierry; Brasseur, Jasmine; Motte, Grégory et al

in Bat Research News (1998), 39(3), 84

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See detailComparaison entre deux techniques d'étude de l'utilisation de l'habitat par la sérotine commune (Eptesicus serotinus): le radiopistage et la prospection avec une détecteur d'ultrasons hétérodyne.
Motte, Gregory; Kervyn, Thierry; Libois, Roland ULg

in Arvicola (1998), Arvicola

During the course of a study on the use of habitat by the common serotine bat in Belgium, we have had recourse to radiotracking and the prospecting with an ultrasonic detector. The results obtained with ... [more ▼]

During the course of a study on the use of habitat by the common serotine bat in Belgium, we have had recourse to radiotracking and the prospecting with an ultrasonic detector. The results obtained with the two techniques used have been compared. The preferred habitats of the bats were found identical with the two techniques, with a preferece for leafy environments. However, the interpretation of the results affords different information depending on the technique adopted. We have thus compared the limits of each of the two techniques. In conclusion, the results obtained by radiotracking and with the ultrasonic detector are at the same time virtually the same but also complementary. [less ▲]

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See detailMammals from the Azores islands (Portugal): an updated overview
Mathias, Maria da Luz; Ramalhinho, Maria Graça; Santos-Reis, Margarida et al

in Mammalia (1998), 62(3), 397-407

Nine species of mammals are recorded for the Azores islands: one insectivore (Erinaceus europaeus), two bats (Myotis myotis, Nyctalus azoreum), one lagomorph (Oryctolagus cuniculus), three rodents (Rattus ... [more ▼]

Nine species of mammals are recorded for the Azores islands: one insectivore (Erinaceus europaeus), two bats (Myotis myotis, Nyctalus azoreum), one lagomorph (Oryctolagus cuniculus), three rodents (Rattus norvegicus, R. rattus, Mus musculus domesticus) and two carnivores (Mustela nivalis, M. furo). Here, notes on the origin and known distribution are given for each species, together with taxonomical and ecological cmments. Except for bats all the remaining species seem to have been introduced under the influence of the man's exploratory and commercial activities [less ▲]

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See detailOn the mtDNA restriction patterns variation of the Iberian wood mouse (Apodemus sylvaticus). Comparison with other west Mediterranean populations.
Michaux, Johan ULg; Libois, Roland ULg; Ramalhinho, M. G. et al

in Hereditas (1998), 129(3), 187-94

In previous studies, the presence of three main lineages of wood mice mtDNA was described in western Europe: a first one distributed from the Pyrenees to Scandinavia. a Thyrrenian one occurring in ... [more ▼]

In previous studies, the presence of three main lineages of wood mice mtDNA was described in western Europe: a first one distributed from the Pyrenees to Scandinavia. a Thyrrenian one occurring in peninsular Italy, Elba, Corsica and Sardinia and a third one restricted to Sicily and Marettimo. Do the Iberian wood mice belong to one of these lineages? In order to answer this question, animals were trapped all over the Iberian peninsula (11 sites) as well as in three of the Balearic islands. Comparisons with specimens from the above mentioned lineages were made. From 158 animals trapped in 30 sites, 78 different mtDNA restriction patterns were obtained and compared using the NEI and LI index ((Nei M and Li WH, (1979). Mathematical model for studying genetic variation in terms of restriction endonucleases. Proc. Natl. Acad. Sci. USA 76: 5269-5273) of nucleotide divergence. A neighbour-joining tree, with a specimen of Apodemus flavicollis as outgroup, was then computed from the similarity matrix. Apodemus flavicollis is well separated from all the A. sylvaticus and all the Iberian restriction patterns are clustered with those of continental France, showing a great similarity level between the Iberian and north-west European animals. This group is well separated from the Sicilian and from the Tyrrhenian ones. These results suggest that the Pyrenees are not a biogeographic barrier for the wood mouse and that the postglacial recolonisation of western Europe by that species has its origin in populations which, during the latest Ice age, were living in refuges situated in southern France or in the Iberian peninsula. Because the Balearic restriction patterns are clustered in a lineage joining Iberian pattern at a low divergence level, we suggest that their origin is continental Spain or southern France. [less ▲]

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See detailSuivi satellitaire de la migration automnale de la cigogne noire. Aléas et perspectives d'avenir
Libois, Roland ULg; Jadoul, Gérard

in Aves (1997), 34(1), 20-22

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See detailUtilisation de l'habitat par la sérotine commune Eptesicus serotinus en Lorraine belge
Kervyn, Thierry; Brasseur, Jasmine; Libois, Roland ULg

in Bulletin de la Société Neuchâteloise des Sciences Naturelles (1997), 120(2), 35-41

The radiotracking of 10 serotine bats during a period of 73 nights shows that the animals hunt mainly at forest edges and above meadows. The mean distance between the main diurnal roost and hunting ... [more ▼]

The radiotracking of 10 serotine bats during a period of 73 nights shows that the animals hunt mainly at forest edges and above meadows. The mean distance between the main diurnal roost and hunting grounds is 2.1 +/- 1.2 km (n = 24). Secondary diurnal roosts are used within a radius of 250 m of the main diurnal quarters. Nocturnal resting places are situated in beech forests (Fagus sylvatica) near feeding areas. The activity area (minumum area method) of radiotracked serotine bats, all originating from the same colony, stretches to 15.8 km². [less ▲]

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See detailFirst epidemiological data on pathogenic leptospires isolated on the Azorean islands
Collares-Pereira, Margarida; Korver, H.; Terpstra, W. J. et al

in European Journal of Epidemiology (1997), 13

Insectivores (Erinaceus europaeus) and rodents (Rattus rattus, R. norvegicus and Mus musculus) from different islands of the Azores archipelago were found to carry three distinct Leptospira interrogans s ... [more ▼]

Insectivores (Erinaceus europaeus) and rodents (Rattus rattus, R. norvegicus and Mus musculus) from different islands of the Azores archipelago were found to carry three distinct Leptospira interrogans s.l. serovars (copenhageni, icterohaemorrhagiae and ballum) which have never been previously investigated there. The house mouse and the black rat were the major Leptospira reservoir showing isolation rates ranging from 0% for both species (in Graciosa) to 88 % and 33 %, respectively (in São Miguel). This study also showed that the majority of the animals with positive kidney cultures exhibited specific agglutinins agaibst the isolated strains of Leptospira. The observed isalation rates in the different islands, with a very interesting island variation in prevalence, suggest that small mammals, serving as sylvatic reservoirs of pathogenic leptospires, may represent an important risk to the health of humans and the livestock, particularly in the islands of Terceira and São Miguel. [less ▲]

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See detailLa biodiversité animale en Région wallonne: état des lieux
Libois, Roland ULg

in Le réseau écologique, actes du colloque d'Arquennes (1997)

Etat général du statut des vertébrés. Banalisation de la faune et altération des écosystèmes. Trois points à discuter en fonction de la conservation de la biodiversité: i) introduction d'animaux de souche ... [more ▼]

Etat général du statut des vertébrés. Banalisation de la faune et altération des écosystèmes. Trois points à discuter en fonction de la conservation de la biodiversité: i) introduction d'animaux de souche étrangère (y compris pour le repeuplement des chasses et des rivières) ii) dissémination d'organismes transgéniques et iii) perte de la diversité dans la recherche : l'université connaît une dérive utilitariste ou marchande, souffre d'une tendance à l'uniformisation et perd son indépendance. [less ▲]

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See detailNotes of the flea fauna (Insecta, Siphonaptera) of the terrestrial azorean mammals
Libois, Roland ULg; Fons, Roger; Mathias, Maria da Luz et al

in Arquivos do Museu Bocage. Nova série (1997), 3(1), 1-11

During three successive years, field samplings of wild mammals were organised on different Azorean islands and the ectoparastes were collected. Among 340 murid rodents, 31 did bear at least one flea ... [more ▼]

During three successive years, field samplings of wild mammals were organised on different Azorean islands and the ectoparastes were collected. Among 340 murid rodents, 31 did bear at least one flea. Nosopsyllus l. londiniensis has been found on the mouse in São Miguel. Stenoponia t. tripectinata has been discovered in Terceira and in São Miguel, mainly on house mice and on one black rat out of 121. Nosopsyllus fasciatus was present on the mouse and on both the black and the Norway rats. Its presence has been evidenced in four islands: São Miguel, Terceira, Graciosa and Flores. Numerous rabbits were also examined in the visited islands (São Miguel, Terceira, Pico, São Jorge, Faial and Flores) and were found heavily parasited by their commonest flea, Spilopsyllus cuniculi. In Flores, however, that flea seems to be lacking. Though no systematic search has been done on domestic animals, the presence of Ctenocephalides f. felis is also reported from Flores, Terceira and Graciosa whereas C. canis has been found on a dog in Florès. The flea fauna of the Azorean archipelago is therefore characterized by a few species amongst the most cosmopolitan ones [less ▲]

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