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KILL RATES AND PREDATION BY WOLVES ON UNGULATE POPULATIONS IN BIAŁOWIEŻA PRIMEVAL FOREST (POLAND)
Wolves limited deer numbers but did not regulate prey population, and wolf predation alone is a poor predictor of deer population dynamics, because deer are also subject to lynx (Lynx lynx) predation and hunting harvest.
Europe-Wide Dampening of Population Cycles in Keystone Herbivores
Using a large compilation of time series of vole abundances, it is demonstrated consistent cycle amplitude dampening associated with a reduction in winter population growth, although regulatory processes responsible for cyclicity have not been lost.
PREY SELECTION AND PREDATION BY WOLVES IN BIAŁOWIEŻA PRIMEVAL FOREST, POLAND
- W. Jędrzejewski, B. Jędrzejewska, H. Okarma, K. Schmidt, K. Zub, M. Musiani
- Environmental Science
- 1 February 2000
Results of this study combined with the data obtained in the Belarussian part of Białowieża Primeval Forest in 1946–1985 allowed for analysis of dietary response of wolves to changes in densities of ungulates.
Wolf Pack Territory Marking in the Bialowieza Primeval Forest (Poland)
- K. Zub, J. Theuerkauf, W. Jędrzejewski, B. Jędrzejewska, K. Schmidt, R. Kowalczyk
- Environmental Science
Wolf marking rates with urine and ground scratching were highest during the cold season and peaked during the mating season, in January and February, and per capita rates of marking were highest in wolves travelling singly or in pairs.
Long-term repeatability of body mass and resting metabolic rate in free-living weasels, Mustela nivalis
This is the first study providing empirical support for long-term repeatability of body mass and RMR in free-ranging small mammals, and is consistent with a significant level of heritable variation of these two traits.
Habitat requirements of weasels Mustela nivalis constrain their impact on prey populations in complex ecosystems of the temperate zone
The results indicate that in complex ecosystems of the temperate zone, characterized by a mosaic pattern of vegetation types and habitat specific dynamics of rodents, impact of weasels on prey populations might be limited.
Factors Affecting Habitat Selection by Breeding Lesser Spotted Eagles Aquila pomarina in Northeastern Poland
It is hypothesized that eagles have to breed closer to the forest edge to minimize energy expenditure and time associated with prey capture and delivery to the nest.
Climate and refugial origin influence the mitochondrial lineage distribution of weasels (Mustela nivalis) in a phylogeographic suture zone
Bayesian coalescent analysis revealed the importance of the Last Glacial Maximum and the Younger Dryas in the diversification of, and demographic changes in, identified mitochondrial lineages and strongly points to a Carpathian origin for one of the lineages.
Plant–herbivore interactions: silicon concentration in tussock sedges and population dynamics of root voles
The results suggest that changes in Si concentration in fibrous tussock sedge can be induced by changes in vole population density and are also additionally affected by the amount of flooding and weather conditions.
Resource use by Tawny Owls Strix aluco in relation to rodent fluctuations in Bialowieza National Park, Poland
- W. Jędrzejewski, B. Jędrzejewska, K. Zub, Andrzej L. Ruprecht, C. Bystrowski
- Environmental Science, Biology
- 1 November 1994
Between-year changes in the Tawny Owls' diet were mainly influenced by the abundance of yellow-necked mice, which thus determined the proportion of bank voles Clethrionomys glareolus taken and of alternative prey such as birds, amphibians, and shrews.