User profiles for M. Tjarnberg

Mats Tjernberg

Verified email at jur.lu.se
Cited by 320

Diet of the golden eagle Aquila chrysaetos during the breeding season in Sweden

M Tjernberg - Ecography, 1981 - Wiley Online Library
… Small hills up to 600 or 700 m high are common, and small to very large mires are abundant…
The maximum altitude of the tree line runs at 1000 m asl The island of Gotland in the Baltic is …

Characteristics and utilization of old Black Woodpecker Dryocopus martius holes by hole‐nesting species

K JOHNSSON, SG NILSSON, M TJERNBERG - Ibis, 1993 - Wiley Online Library
Old nest holes made by the Black Woodpecker Dryocopus martius were examined in two
study areas in Sweden. We found a large variation in nest hole characteristics and that the …

Measuring downside portfolio risk

…, MJ Seiler, M Tjarnberg - Journal of Portfolio …, 1999 - search.proquest.com
Value at risk (VaR) is an approach used in risk management to measure downside risk. Not
all VaRs, however, are created equal. Defining and accurately measuring market risk is a …

Is avoidance by black woodpeckers of old nest holes due to predators?

SG Nilsson, K Johnsson, M Tjernberg - Animal behaviour, 1991 - Elsevier
The breeding success of black woodpeckers, Dryocopus martius, in old and newly constructed
nest cavities was compared. Young fledged in only 38% of nests in old cavities compared …

Population trends for Swedish breeding birds

…, N Holmqvist, Å Lindström, T Pärt, M Tjernberg - Ornis …, 2009 - journals.lub.lu.se
We have assessed the population trends for the 255 bird species breeding in Sweden (including
distinct subspecies), based on data for the last 30 and 10 years, respectively. Over the …

Density variation and breeding success of the black woodpecker Dryocopus martius in relation to forest fragmentation

M Tjernberg, K Johnsson, SG Nilsson - Ornis Fennica, 1993 - ornisfennica.journal.fi
… has certain demands upon nesting trees (Ahlén & Tjernberg 1992, Nilsson et al. 1993, in …
& Tjernberg, M. 1993: Age, dimensions and loss rates of Black Woodpeckers nesting trees. -…

Common and rare Swedish vertebrates—distribution and habitat preferences

Å Berg, M Tjernberg - Biodiversity & Conservation, 1996 - Springer
Data have been compiled on the distribution, habitat preferences and population sizes of 348
vertebrates reproducing in Sweden (excluding fish) and their species richness in different …

Spacing of Golden Eagle Aquila chrysaetos nests in relation to nest site and food availability

M TJERNBERG - Ibis, 1985 - Wiley Online Library
… The tree-line runs at about 900 m as1. in southern parts of the region and about 600 m in
northern parts. A small, isolated Golden Eagle population also occurs on the flat island of …

[BOOK][B] Breeding ecology of the golden eagle, Aquila chrysaetos (L.), in Sweden.

M Tjernberg - 1983 - cabidigitallibrary.org
A Doctoral thesis composed of 4 reports on diet, reproduction, habitat features, and population
density in relation to nest site and food availability. About half of the Swedish golden …

Can vergence training improve reading in dyslexics?

…, M Ljungblad, M Tjärnberg, R Brautaset, M Nilsson - …, 2014 - Taylor & Francis
Background: Dyslexia affects 5%–8% of the population of the Western world. While reading,
different eye movements are required. Compared to other persons, dyslexics have more …