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1

Social relations in family-groups of wood mice Apodemus sylvaticus under laboratory and enclosure conditions

100%

Zgrabczynska E., Pilacinska B.

Acta Theriologica

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2002

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tom 47

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nr 2

Two family-groups of wood mice Apodemus sylvaticus (Linnaeus, 1758) were observed: one in the laboratory (terrarium 100 x 60 x 60 cm) and the other under enclosure conditions (outdoor enclosure 200 x 100 x 100 cm). Three consecutive periods in the social relations of the family-groups were described: the linear hierarchy, the multidirectional social relations, and the variable dominance-subordination relations. The linear social hierarchy was reflected in the subordination behaviour of family members in relation to the dominant male, the father of the family. During the period of coexistence of a pair of parents with two litters of juveniles, both in the laboratory and under enclosure conditions, amicable relations between individuals occurred. Advanced forms of social care (paternal care, allomaternal lactation, transportation and licking by relatives) were also observed. In the laboratory, agonistic interactions were lacking during the linear hierarchy period, but the attainment of sexual maturity by individuals of the first two litters, accompanied by an increase in the number of mice, resulted in aggression between mature males and competition for dominance. Further, under increasingly crowded conditions, agonistic behaviour prevailed over other types of social interaction, and the survival rate of juveniles decreased. Under enclosure conditions a seasonal variation in agonistic interaction between mature individuals was recorded, similar to that observed in the wild. Despite the systematic increase in population density, no attacks by mature males on juveniles were observed.

2

Small mammals on one-year set-aside

100%

Tattersall F. H., MacDonald D. W., Manley W. J., Gates S., Feber R., Hart B. J.

Acta Theriologica

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1997

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tom 42

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nr 3

Despite its conservation potential, little is known of whether land taken out of arable production as set-aside benefits wildlife, nor what features enhance its value as a habitat. We studied the presence of small mammals on one-year set-aside through a summer harvest period (278 captures in 3000 trap nights). Trapping success was low on all set-aside (0.6%), but was higher in adjoining hedgerow (30%) and cereal crops (13%). Wood mice Apodemus sylvaticus (Linnaeus, 1758) were the most commonly caught species, and the only species to occur on set-aside. There were no significant differences in trap success between set-aside configured in blocks and strips, nor between sown and naturally regenerated set-aside. Captures on set-aside increased after harvest, when the crop no longer provided cover. Our data demonstrate that set-aside is not necessarily a suitable habitat for small mammals.

3

Relative roles of density and rainfall on the short-term regulation of Mediterranean wood mouse Apodemus sylvaticus populations

84%

Diaz M., Torre I., Arrizabalaga A.

Acta Theriologica

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2010

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tom 55

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nr 3

251-260

This study aims to quantify the relative effects of density-dependent (feedback structure) and density-independent climatic factors (rainfall) in regulating the short-term population dynamics of wood mice Apodemus sylvaticus Linnaeus, 1758 in three Mediterranean forest plots. Rainfall and density explained additively 62% of variation in population growth rates (38 and 24%, respectively), with no differences among study plots. Population growth rate was positive during autumn–winter and negative during spring–summer during a 2.5-year period. Population rate of change was negatively affected by wood mouse density during the normal breeding season of Mediterranean mice (autumn–winter) but not outside it. Growth rate was positively affected by the cumulative amount of rainfall three months before the normal breeding season, but not during it. Female breeding activity and recruitment did not differ among plots, and was not affected by density or rainfall. However, recruitment was positively affected by density and, marginally, by rainfall. Our results suggest that intraspecific competition (density-dependence) and food availability (rainfall) are equally important factors driving wood mouse population dynamics in Mediterranean forests. Mechanisms underlying density-dependence during the breeding season seemed to be based on food-mediated survival rather than on behaviourally-mediated reproduction. Taken together, these results indicate a high sensitivity of marginal Mediterranean wood mouse populations to the expected climate changes in the Mediterranean region.

4

No recent temporal changes in body size of three Danish rodents

84%

Yom-Tov Y., Yom-Tov S., Jensen T. S., Baagoe H.

Acta Theriologica

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2012

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tom 57

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nr 1

We used museum collections to study temporal trends of possible changes in skull size, body mass and body length in three species of rodents in Denmark. Skulls of adult Microtus agrestis, Apodemus flavicollis and Apodemus sylvaticus, collected between 1895 and 2004, 1847 and 2002, and 1895 and 2002, respectively, were measured and data on body mass and length were taken from the museum registers. Principal component (PC) analysis was used to combine data of the four skull measurements taken. We tested the relationship of sex, latitude, longitude, month and year of collection to PC1 by a General Linear Model (GLM). PC1, body length and body mass of M. agrestis significantly increased from west to east. In addition, PC1, body mass and body length of M. agrestis declined from summer (August) through autumn and winter to spring (March), probably due to the decline in food availability towards winter. None of the other factors examined (sex, latitude and year) were significantly related to body size. PC1 of A. flavicollis and A. sylvaticus was not significantly related to any of the environmental factors examined.

5

Are baseline glucocorticoid levels linked to aggressive behaviour in wild wood mice?

84%

Hernandez M. C., Navarro-Castilla A., Pineiro A., Silvan G., Illera J. C., Barja I.

Polish Journal of Ecology

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2020

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tom 68

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nr 1

6

Diet of four rodent species from Robinia pseudo-acacia stands in South Moravia

84%

Heroldova M.

Acta Theriologica

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1994

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tom 39

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nr 3

The importance of Robinia pseudo-acacia stands as a food supply for four species of small mammals, Apodemus sylvaticus (Linnaeus, 1758), A. flavicollis (Melchior, 1834), Clethrionomys glareolus (Schreber, 1780), Microtus arvalis (Pallas, 1778) was studied. The trophic diversity and equitability in all rodent species suggested a rich food supply. Greater trophic overlap as well as greater qualitative and quantitative similarity of food was found in both species of Apodemus only. Robinia stands not only represented a refuge but also offered enough food for all four species of rodents.

7

Morphometric study of male reproductive organs in the rodent species Apodemus sylvaticus and Apodemus flavicollis

84%

Massanyi P., Jancova A., Uhrin V.

Bulletin of the Veterinary Institute in Puławy

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2003

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tom 47

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nr 1

8

Seasonal variations of diet composition in farmland field mice Apodemus spp. and bank voles Clethrionomys glareolus

84%

Abt K. F., Bock W. F.

Acta Theriologica

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1998

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tom 43

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nr 4

Feeding habits of field mice Apodemus flavicollis Melchior, 1834 and A. sylvaticus Linnaeus, 1758, and bank voles Clethrionomys glareolus Schreber, 1780 in a mixed farmland area in Northern Germany were investigated from March to December 1992. For semi-quantitative analysis of diet composition, faeces were sampled in the margins of an arable field surrounded by hedgerows. Diets of both A/jocfemus-species were similar, with A. flavicollis tending to eat more animal food and less green plant matter. Except in the early summer, C. glareolus consumed less animal matter than both Apodemus-species, but not consistently more green plant matter than A. sylvaticus. Beech flowers were important food for all species in May, whereafter rye grain became the dominant food item until August. In the autumn and winter, field mice took beechmast and acorns, while bank voles ate berries and fungi, and in December, large amounts of grass leaves. Dietary overlap was, altogether, highest from May to August (about 0.8). Overlap between A. flavicollis and A. sylvaticus dropped moderately after the summer, while that between C. glareolus and either Apodemus-species decreased sharply to levels of 0.2 and lower. Increased probability of competitive interaction between the species in the autumn and winter, corresponding to a more patchy distribution of food resources than in the summer, is discussed as a possible reason for the observed divergence of food habits,

9

Edge effects and patterns of winter abundance of wood mice Apodemus sylvaticus in Spanish fragmented forests

84%

Garcia F. J., Diaz M., De Alba J. M., Alonso C. L., Carbonell R., De Carrion M. L., Monedero C., Santos T.

Acta Theriologica

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1998

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tom 43

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nr 3

This paper analyzes the winter pattern of abundance of wood mice Apodemus sylvaticus (Linnaeus, 1758) as related to the distance from forest edges in two Spanish fragmented forests. Mouse abundance was measured by means of pitfall traps located at a range of distances from forest edges in large forests, in small woodiots, and in the agricultural matrix surrounding both woodiots and forests (both close to forest edges and far from them). Mouse abundances were larger in forests than in croplands, and tended to become larger in woodiots and forest edges as compared to forest interior, and close to woodland as compared to far from it in the croplands surrounding forests. Overall, wood mouse distribution appeared as clearly affected by edge effects, the species behaving as a typical ecotonic, soft-edge species, as expected by its generalist habitat selection behaviour. The implications of this pattern of winter distribution are discussed in relation to the well-documented increased abundances of wood mice in fragmented forests, as well as to the potential negative effects of wood mouse populations on forest species through predation and exploitative competition.

10

Juvenile dispersal in relation to adult densities in wood mice Apodemus sylvaticus

84%

Plesner J. S.

Acta Theriologica

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1996

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tom 41

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nr 2

Two alternative hypotheses explaining low densities of juvenile wood mice Apodemus sylvaticus (Linnaeus, 1758) early in the breeding season were compared: the Adult Aggression Hypothesis and the Habitat Saturation Hypothesis. They predict different ratios between adult and juvenile densities, which were tested using trapping data from mixed deciduous woodland and from lowland arable field margins. According to the Adult Aggression Hypothesis, juveniles have a poor persistence rate early in the breeding season as a result of aggressive behaviour shown by the adults. As the breeding season progresses, a drop in adult aggression levels results in increased juvenile persistence, which, in turn, leads to increased densities. The Habitat Saturation Hypothesis proposes that juveniles disperse from their parents' territories until the surrounding habitats are saturated and that this gradual saturation results in increased densities as the breeding season progresses. The observed correlations between adult and juvenile densities both in woodland and on field margins were consistent with the predictions of the Habitat Saturation Hypothesis.

11

The use of dormouse Muscardinus avellanarius nest boxes by two species of Apodemus in Britain

84%

Marsh A. C. W., Morris P. A.

Acta Theriologica

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2000

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tom 45

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nr 4

The occupancy of Muscardinus auellanarius (Linnaeus, 1758) nest boxes by Apodemus flauicollis (Melchior, 1834) and A. sylvaticus (Linnaeus, 1758) was studied over a six-year period from five sites in southern Britain. A. flauicollis was a regular visitor to nest boxes, occupying them more frequently than A, sylvalicus or any other small mammal. Litters of A. flauicollis were uncommon in nest boxes suggesting these boxes were rarely used for breeding. It seems likely that nest boxes form temporary nesting places for individuals, pairs or small communal groups. A. flauicollis sometimes take over nest hoxes occupied by M. avellanarius, usually constructing their own nests and sometimes removing old nest material. M. avellanarius may avoid nest boxes occupied by A. flauicollis earlier in the same year. Boxes favoured by M. auellanarius in one year tended to be reselected by them in the following year, but no such trend was apparent in box selection by A. flauicollis. Overall, there was little evidence to suggest that the presence of A. flauicollis had a significant impact on M. avellanarius occupancy of nest boxes.

12

Ecological distribution of bank voles and wood mice in disturbed habitats: preliminary results

84%

Douglass R. J., Douglass K. S., Rossi L.

Acta Theriologica

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1992

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tom 37

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nr 4

The ceological distribution of bank voles Clethrionomys glareolus (Schreber, 1780) and wood mice Apodemus sylvaticus (Linnaeus, 1758) was studied over one breeding season in the Maritime Alps of Italy. These species are found in habitats that are continuously disturbed by domestic livestock grazing as well as habitats unattainable by livestock. Average numbers per 50 live traps of these two species were similar (7.1 bonk voles/habitat/month and 7.9 wood mice/habitat/mnnth) but they were distributed differently among six habitats (niche overlap = 0.33). Within habitats, bank voles preferred features associated with forests while wood mice preferred features associated with open habitats. Populations of the two species behaved demographically differently from each oLhcr. Bank voles exhibited more stable populations with a narrower ecological amplitude (B = 2.8) but persisted in more habitats than wood mice. Wood mouse populations were less stable but had a broader ecological amplitude (B = 3.8) than bank voles. Bank voles and wood mice apparently survive equally well under continuous disturbance but they do so demographically differently and in different habitats.

13

O myszach - jesiennie

67%

Zgrabczynska E.

Biuletyn Polskiego Towarzystwa Ochrony Przyrody "Salamandra"

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1996

|

nr 2

15-16

14

Mitochondrial cytochrome b sequences resolve the taxonomy of field mice (Apodemus) in the western Balkan refugium

67%

Krystufek B., Luznik M., Buzan E. V.

Acta Theriologica

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2012

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tom 57

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nr 1

Apodemus sylvaticus stankovici, described from the topographically rough landscape of the western Balkan glacial refugium, was recently proposed as being either a junior synonym of Apodemus flavicollis or a species on its own right. To untangle this taxonomic vagueness, we sequenced complete cytochrome b gene in 28 field mice collected at 12 locations in the mountains of Bosnia and Herzegovina, Montenegro, western Macedonia and northern Greece. Samples yielded 27 new haplotypes which clustered into two distinct groups. One of these clades also included the reference haplotype of A. flavicollis, while another cluster emerged as being identical with the reference sample for A. sylvaticus. As is common in Apodemus, both species retrieved in our analysis were characterized by low levels of intraspecific variation (0.4–0.9%) as opposed to a high level of differentiation between them (8.0–10.0%); therefore, the taxonomic classification of our material was without doubt. We found no evidence regarding the presence of an additional cryptic species in the mountains of the western Balkans. The very similar values of genetic variability in the two species imply their common evolutionary history of a long-term coexistence in the western Balkan refugium.

15

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Wplyw gryzoni na naturalne odnawianie sie drzew i krzewow w zbiorowiskach lesnych

67%

Skrzydlowski T.

Sylwan

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2001

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tom 145

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nr 12

93-102

16

Hepatic parasitosis in two wood mice, Apodemus sylvaticus (Rodentia: Muridae), due to Aonchotheca annulosa (Nematoda: Trichuridae), and Eucoleus bacillatus (Nematoda: Trichuridae). Erratic parasitism or post mortem migration?

67%

Debenedetti A. L., Saez-Duran S., Sainz-Elipe S., Galan-Puchades M. T., Fuentes M. V.

Acta Parasitologica

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2014

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tom 59

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nr 4

Aonchotheca annulosa and Eucoleus bacillatus are two capillariin nematodes parasitizing the intestinal and stomach mucosa, respectively, of various rodent species, and two, among others, component species of the helminth fauna of the wood mouse, Apodemus sylvaticus. A capillariin each was found in the liver parenchyma of two wood mice in a post-fire regeneration enclave in Serra Calderona Natural Park (Valencian Community, Spain). Due to their location, the preliminary identification of the helminths corresponded to Calodium hepaticum, a hepatic capillariin with rodents as its main host. So far, this species had never been found in Serra Calderona. To verify the preliminary identification, a comparative morphometric study between the specimens from Serra Calderona and a preserved individual of C. hepaticum from another enclave was carried out. Morphometric analysis revealed that the adult helminth as well as the eggs found in the liver of the first mouse belonged to A. annulosa, whereas the second one was identified as a male E. bacillatus. Moreover, the liver from both hosts showed a visible pathology, being the consequence of aberrant migration of the parasites. This is the first evidence that A. annulosa and E. bacillatus may migrate erratically and thus produce ectopic foci in other organs.

17

Ecological aspects influencing the helminth community of the wood mouse Apodemus sylvaticus in Dunas de Mira, Portugal

67%

Eira C., Torres J., Vingada J., Miquel J.

Acta Parasitologica

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2006

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tom 51

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nr 4

This paper presents the first extensive data on the helminth community of the wood mouse Apodemus sylvaticus in a coastal sand dune area in Portugal. The 557 hosts analysed in this study were trapped seasonally between autumn 2002 and summer 2005 across 6 habitat types. Twelve helminth species were detected among which, Taenia parva larvae, Angiostrongylus dujardini, Heligmosomoides polygyrus, Syphacia stroma and S. frederici constitute the component species, accounting for 98.7% of all worms. H. polygyrus was the most prevalent helminth parasite. Species richness varied according to habitat and season. The highest species richness was found in sand dunes during winter whereas the lowest was detected along lake margins also during the winter. Some differences in prevalence and mean intensity values were found in relation to year (T. parva larvae and H. polygyrus), habitat (A. dujardini), season (T. parva larvae, H. polygyrus, A. dujardini and S. stroma) and host sex (T. parva larvae and S. stroma). These differences are discussed both in view of the host’s biology and habitat characteristics.

18

A chromosomal study on Greek populations of the genus Apodemus [Rodentia, Murinae] reveals new data on B chromosome distribution

67%

Rovatsos M. T., Mitsainas G. P., Tryfonopoulos G. A., Stamatopoulos C., Giagia-Athanasopoulou E. B.

Acta Theriologica

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2008

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tom 53

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nr 2

During this study, 94 specimens (51 males, 43 females) of the wood mouseApodemus sylvaticus (Linnaeus, 1758), the yellow-necked mouseA. flavicollis (Melchior, 1834) and the western broad-toothed mouseA. epimelas (Nehring, 1902) from 20 localities of Greece were karyologically examined. The first two species were found to be widely distributed and their otherwise very similar karyotype (2n=48, FN=48) could be clearly distinguished, based on C-banding pattern. The third species appeared to have a more limited geographical distribution and its karyotype was distinguished from that of the previous two species, since it contained two pairs of small metacentric autosomes (2n=48, FN=52). The chromosomal study further revealed that nine individuals ofA. flavicollis possessed supernumerary B chromosomes (2n=49–50, FN=49–50). Meiotic chromosome preparations revealed that in contrast to sex chromosomes and autosomes, B chromosomes do not participate in bivalent formation. On the other hand, no supernumerary chromosomes were found in the studiedA. sylvaticus andA. epimelas material.

19

Ecological study of the wood mouse helminth community in a burned Mediterranean ecosystem in regeneration five years after a wildfire

67%

Fuentes M. V., Sainz-Elipe S., Galan-Puchades M. T.

Acta Parasitologica

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2007

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tom 52

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nr 4

Parasites are used as biological tags in environmental impact studies. However, terrestrial systems in general and small mammals in particular are rarely considered in these ecological studies. Based on the effects of a wildfire which occurred in the Spanish Serra Calderona Natural Park — a typical Mediterranean ecosystem — the regeneration process of the wood mouse population and its helminth community is analysed. A total of 217 individuals of Apodemus sylvaticus were studied in a five year period, from the second to the fifth post-fire year: 152 mice originating from the burned area and 65 from the control — non-burned — area. The helminth community for both burned and non-burned areas as well as the effect of intrinsic (host age and sex) and extrinsic (site, period and season of capture) factors on helminth prevalences and abundances were analysed. Taking into account the most important results of this study, various aspects of the helminth community dynamics of the wood mouse are postulated as biological tags of the environmental impact of a wildfire, such as the changes in the frequency distribution of the helminth species, the higher diversity in the burned area, and the prevalences of helminth species having biological cycles directly affected by climatic conditions and the vegetal regeneration process. Consequently, the helminth species of A. sylvaticus should be considered suitable biological tags of environmental perturbations, such as a wildfire, and the wood mouse/helminth model can be applied to predict the consequences for helminth species in general.

20

A new type of endogenous asexual proliferation in cyclophyllidean metacestodes

67%

Galan-Puchades M. T., Fuentes M. V., Conn D. B.

Acta Parasitologica

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2002

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tom 47

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nr 4

We describe 4 metacestodes classified according to their morphology as belonging to the genus Mesocestoides. (Cestoda, Cyclophyllidea) in the abdominal cavity of an individual wood mouse, Apodemus sylvaticus (Rodentia, Muridae) trapped in a Spanish Mediterranean ecosystem. The morphological study of the metacestodes shows evidence of three types of asexual proliferation: longitudinal fission (presence of supernumerary suckers in the scolex); budding; and a third form of asexual division not previously described in cestodes, with a mother tetrathyridium containing some daughter metacestodes (endopolygeny). For the first time we have demonstrated different mechanisms of asexual division in a tetrathyridium-type metacestode, apparently of the genus Mesocestoides. Furthermore, this is the first report of endogenous asexual proliferation in any metacestode exhibiting primitive or gymnosomic development.

Ograniczanie wyników

Social relations in family-groups of wood mice Apodemus sylvaticus under laboratory and enclosure conditions

Small mammals on one-year set-aside

Relative roles of density and rainfall on the short-term regulation of Mediterranean wood mouse Apodemus sylvaticus populations

No recent temporal changes in body size of three Danish rodents

Are baseline glucocorticoid levels linked to aggressive behaviour in wild wood mice?

Diet of four rodent species from Robinia pseudo-acacia stands in South Moravia

Morphometric study of male reproductive organs in the rodent species Apodemus sylvaticus and Apodemus flavicollis

Seasonal variations of diet composition in farmland field mice Apodemus spp. and bank voles Clethrionomys glareolus

Edge effects and patterns of winter abundance of wood mice Apodemus sylvaticus in Spanish fragmented forests

Juvenile dispersal in relation to adult densities in wood mice Apodemus sylvaticus

The use of dormouse Muscardinus avellanarius nest boxes by two species of Apodemus in Britain

Ecological distribution of bank voles and wood mice in disturbed habitats: preliminary results

O myszach - jesiennie

Mitochondrial cytochrome b sequences resolve the taxonomy of field mice (Apodemus) in the western Balkan refugium

Wplyw gryzoni na naturalne odnawianie sie drzew i krzewow w zbiorowiskach lesnych

Hepatic parasitosis in two wood mice, Apodemus sylvaticus (Rodentia: Muridae), due to Aonchotheca annulosa (Nematoda: Trichuridae), and Eucoleus bacillatus (Nematoda: Trichuridae). Erratic parasitism or post mortem migration?

Ecological aspects influencing the helminth community of the wood mouse Apodemus sylvaticus in Dunas de Mira, Portugal

A chromosomal study on Greek populations of the genus Apodemus [Rodentia, Murinae] reveals new data on B chromosome distribution

Ecological study of the wood mouse helminth community in a burned Mediterranean ecosystem in regeneration five years after a wildfire

A new type of endogenous asexual proliferation in cyclophyllidean metacestodes