Search Results - "Eccard, J"

HESS Opinions: From response units to functional units: a thermodynamic reinterpretation of the HRU concept to link spatial organization and functioning of intermediate scale catchments by Zehe, E, Ehret, U, Pfister, L, Blume, T, Schröder, B, Westhoff, M, Jackisch, C, Schymanski, S. J, Weiler, M, Schulz, K, Allroggen, N, Tronicke, J, van Schaik, L, Dietrich, P, Scherer, U, Eccard, J, Wulfmeyer, V, Kleidon, A

“…According to Dooge (1986) intermediate-scale catchments are systems of organized complexity, being too organized and yet too small to be characterized on a…”
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The scent of infanticide risk? Behavioural allocation to current and future reproduction in response to mating opportunity and familiarity with intruder by Eccard, J. A., Reil, D., Folkertsma, R., Schirmer, A.

“…The killing of young by unrelated males is widespread in the animal kingdom. In short-lived small rodents, females can mate immediately after delivery…”
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Environmental conditions in favour of a hantavirus outbreak in 2015 in Germany? by Reil, D., Imholt, C., Drewes, S., Ulrich, R. G., Eccard, J. A., Jacob, J.

“…Bank voles can harbour Puumala virus (PUUV) and vole populations usually peak in years after beech mast. A beech mast occurred in 2014 and a predictive model…”
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Polyandrous females produce sons that are successful at post‐copulatory competition by Klemme, I., Bäumer, J., Eccard, J. A., Ylönen, H.

“…Some of the genetic benefit hypotheses put forward to explain multiple male mating (polyandry) predict that sons of polyandrous females will have an increased…”
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Behavioural flexibility in foraging mode of the spotted sand lizard ( Pedioplanis l. lineoocellata) seems to buffer negative impacts of savanna degradation by Blumroeder, J., Eccard, J.A., Blaum, N.

“…In this field experiment we investigate the impact of land use induced savanna degradation on movement behaviour of the spotted sand lizard ( Pedioplanis l…”
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Foraging under uniform risk from different types of predators by Liesenjohann, T, Eccard, J A

“…Many animals live in environments where different types of predators pose a permanent threat and call for predator specific strategies. When foraging, animals…”
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Which abiotic filters shape earthworm distribution patterns at the catchment scale? by Schneider, A.-K., van Schaik, L., Zangerlé, A., Eccard, J. A., Schröder, B.

“…Summary Earthworms affect various soil ecosystem processes in their role as ecosystem engineers. The spatial distribution of earthworms determines the spatial…”
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How livestock grazing affects vegetation structures and small mammal distribution in the semi-arid Karoo by Eccard, J.A, Walther, R.B, Milton, S.J

“…In this study we investigated vegetation changes superimposed by grazing and their effect on small mammals in the Karoo (South Africa) on grazed farmland and…”
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Direct interference or indirect exploitation? An experimental study of fitness costs of interspecific competition in voles by Eccard, Jana A., Ylönen, Hannu

“…Studies on competing mammalian species in the past have focused mainly on the competitive exclusion of one species from the preferred habitat of the other…”
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Use of large Acacia trees by the cavity dwelling Black-tailed Tree Rat in the Southern Kalahari by Eccard, J.A., Dean, W.R.J., Wichmann, M.C., Huttunen, S.M., Eskelinen, E., Moloney, K.A., Jeltsch, F.

“…Recent extensive harvesting of large, often dead Acacia trees in arid savanna of southern Africa is cause for concern about the conservation status of the arid…”
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Foraging in risk-homogeneous landscapes – a spatial model for pest species distribution and damage in agriculture? by Eccard, J. A.

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Relationship between bank vole abundance, seroprevalence and human hantavirus infections by Reil, D., Imholt, C., Schmidt, S., Rosenfeld, U. M., Ulrich, R. G., Eccard, J. A., Jacob, J.

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Why do female bank voles, Clethrionomys glareolus, mate multiply? by Klemme, Ines, Eccard, Jana Anja, Ylönen, Hannu

“…Females of many species actively engage in multiple mating, with either a single male or several males, but the adaptive function of this behaviour is often…”
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Effects of brood size on multiple-paternity rates: a case for ‘paternity share’ as an offspring-based estimate by Eccard, Jana A., Wolf, Jochen B.W.

“…Molecular paternity analysis has opened a new perspective to our understanding of mate choice and the evolution of mating systems. Genetic paternity data can…”
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Interspecific competition in small rodents: from populations to individuals by Eccard, Jana A., Ylönen, Hannu

“…The role of interspecific competition in shaping animal and plant communities has formed one of the major issues in ecology for decades. Small mammals, mainly…”
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Predation rate, prey preference and predator switching: experiments on voles and weasels by Sundell, Janne, Eccard, Jana A., Tiilikainen, Raisa, Ylönen, Hannu

“…We studied the predation rate and prey selection of the least weasel (Mustela nivalis nivalis) on its two most common prey species in boreal environments, the…”
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Weasels' (Mustela nivalis nivalis) Preference for Olfactory Cues of the Vole (Clethrionomys glareolus) by Ylönen, Hannu, Sundell, Janne, Tiilikainen, Raisa, Eccard, Jana A., Horne, Taina

“…Many studies on life history strategies of small mammals under predation risk are based on assumptions that mammalian predators use scent marking from prey in…”
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SPACE USE, CIRCADIAN ACTIVITY PATTERN, AND MATING SYSTEM OF THE NOCTURNAL TREE RAT THALLOMYS NIGRICAUDA by Eccard, Jana A., Meyer, Jork, Sundell, Janne

“…We present results of a radiotracking study of the black-tailed tree rat Thallomys nigricauda, based on 3 males and 4 females in the breeding season and 2…”
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Who Bears the Costs of Interspecific Competition in an Age-Structured Population? by Eccard, Jana A., Ylönen, Hannu

“…Social and density-dependent life history processes may differ according to age and the reproductive history of individuals. Arvicoline rodents have a typical,…”
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Adaptive food choice of bank voles in a novel environment: choices enhance reproductive status in winter and spring by Eccard, Jana A., Ylönen, Hannu

“…Using wild and laboratory animals, we studied the food preference of bank voles, Clethrionomys glareolus, as a function of sex and reproductive status. Wild…”
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