Demography of woodland rodents in fragmented habitat

Rajska-Jurgiel, Ewa

doi:10.4098/at.arch.92-9

Cited by 25 publications

(22 citation statements)

References 36 publications

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“…We found that seed-eating mice being hunters rather than croppers were less site-tenacious than folivorous voles (see also Mazurkiewicz and Rajska-Jurgiel 1987, 1998, Rajska-Jurgiel 1992). However, home range shift distances were found to decrease with increasing density in the voles, but not in the mice.…”

Section: Discussionmentioning

confidence: 77%

“…Some o f them might have died but most o f them probably dispersed. Dispersers commonly are maturing young (Watts 1970, Mazurkiewicz and Rajska-Jurgiel 1975, Bujalska and Grum 1989, 1995, Gliwicz 1989, Rajska-Jurgiel 1992, Stenseth and Lidicker 1992, Viitalae/aZ. 1994, Plesner Jensen 1996.…”

Section: Discussionmentioning

confidence: 99%

“…As this is the time span from conception to weaning of a litter, it allows for recording and marking successive cohorts o f young. With this interval, one can also distinguish between (native) juveniles and adult immigrant (Rajska-Jurgiel 1992, 2000.…”

Section: Introductionmentioning

confidence: 99%

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"Single-capture" rodents: vagrants or just newly weaned young?

Rajska-Jurgiel¹,

Mazurkiewicz²

2000

Acta Theriol.

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The reliability of the estimation of residency time of the bank vole Clethrionom ys glareolus (Schreber, 1780) and the yellow-necked mouse Apodem us flavicollis (Melchior, 1834) in open populations was assessed by halving the 6-w eek intervals between trapping sessions. The status of " single-capture" individuals was identified to estimate the probability that they are native young rather than adult invaders. W e found that the majority of " single-session" individuals constituted true transients that were present in the study plot for a short time only. They were young, immature rodents with a small body mass and a small number o f captures. The probability that the " single-session" individuals stay on the plot for a longer time was 0 .35 and 0.37 for voles and mice, respectively. These ostensible transients were trap-prone, fully-grown, mature adults, that revealed their presence on the plot already at the beginning of each trapping session. W e found that " single-capture" individuals were mainly young, immature rodents that were not retrapped. The probability that the single-capture rodents are mature individuals, with a longer residency tim e, was 0 .10 and 0 .18 for voles and mice, respectively.

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Section: Discussionmentioning

confidence: 77%

Section: Discussionmentioning

confidence: 99%

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"Single-capture" rodents: vagrants or just newly weaned young?

Rajska-Jurgiel¹,

Mazurkiewicz²

2000

Acta Theriol.

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“…Except in 1983 and 1989, only single juveniles were captured. In 1989, unusually early spring and accelerated growth of the vegetation resulted in an early beginning of breeding (Rajska-Jurgiel 1992). Some juveniles up to 17 g in voles and up to 24 g in mice were captured.…”

Section: Population Density and Structurementioning

confidence: 99%

“…Especially disturbing today is forest fragmentation. In isolated, small woodlots, densities of the yellow-necked mouse Apodemus flavicollis (Melchior, 1834) were always higher than densities of the bank vole Clethrionomys glareolus (Schreber, 1780) (Rajska-Jurgiel and Mazurkiewicz 1988, Rajska-Jurgiel 1992, although in extensive forests bank voles are typically several times more abundant Rajska-Jurgiel 1978, 1987). The effect of isolation and habitat fragmentation on vole abundance was also found by Gliwicz (1989) and van Apeldoorn et al (1992).…”

Section: Introductionmentioning

confidence: 99%

Spatial behaviour and population dynamics of woodland rodents

Mazurkiewicz

Rajska-Jurgiel²

1998

Acta Theriol.

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. 1998. Spatial behaviour and population dynamics of woodland rodents. Acta Theriologica 43: 137-161.Population dynamics and spatial behaviour of the vole Clethrionomys glareolus (Schreber, 1780) and the yellow-necked mouse Apodemus flauicollis (Melchior, 1834) were studied for 7 years in woodland of Kampinos National Park, Poland. Mice were more mobile and less site-tenacious than voles. Annual peaks ranged from 9 to 104 voles and from 4 to 62 mice per ha. The highest densities of both species were preceded by winter breeding. The greatest movement range and the longest distance moved were observed in the years of low density, whereas in the high density year both species were least mobile and most site-tenacious. Intensive movements in the low density years led to early maturation, high turnover rates, and probably increased mortality. Low mobility and high site tenacity in the high density year enhanced population growth and suppressed maturation. Increasing density and cessation of breeding accounted for declining juvenile recruitment. Differences in movement patterns between years of low and high density were coupled with differences in the autumn age structure and winter mortality of both species.

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