User profiles for "author:Erik Christiansen"

Erik Christiansen

- Verified email at online.no - Cited by 7505

Erik Christiansen

- Verified email at ibc.dk - Cited by 1310

Anatomical and chemical defenses of conifer bark against bark beetles and other pests

VR Franceschi, P Krokene, E Christiansen… - New …, 2005 - Wiley Online Library
Conifers are long‐lived organisms, and part of their success is due to their potent defense
mechanisms. This review focuses on bark defenses, a front line against organisms trying to …

Resistance of conifers to bark beetle attack: searching for general relationships

E Christiansen, RH Waring, AA Berryman - Forest ecology and …, 1987 - Elsevier
Bark beetles are among the few native insects that can kill large numbers of trees in a single
year. The present paper reviews recent work on the relationship between conifer resistance …

Quality of life in eating disorders: a meta-analysis

LAD Winkler, E Christiansen, MB Lichtenstein… - Psychiatry …, 2014 - Elsevier
Eating disorders (EDs) comprise a variety of symptoms and have a profound impact on
everyday life. They are associated with high morbidity and mortality. The objective of this …

Risk of repetition of suicide attempt, suicide or all deaths after an episode of attempted suicide: a register-based survival analysis

E Christiansen, B Frank Jensen - Australian & New Zealand …, 2007 - journals.sagepub.com
Objective: This study was undertaken in order to estimate the incidence of repetition of
suicide attempt, suicide and all deaths, and to analyse the influence of psychiatric illness …

Mapping defoliation during a severe insect attack on Scots pine using airborne laser scanning

S Solberg, E Næsset, KH Hanssen… - Remote Sensing of …, 2006 - Elsevier
In a balanced experiment based on 20 field plots located in a 21km2 Scots pine forest in
southeast Norway covering age classes from newly regenerated to old forest, leaf area …

The spruce bark beetle of Eurasia

E Christiansen, A Bakke - Dynamics of forest insect populations: patterns …, 1988 - Springer
The spruce bark beetle, Ips typographus Linnaeus (Coleoptera: Scolytidae), is the most
destructive scolytid in the coniferous forests of the palaearctic region. In Europe, outbreaks …

PIONEER 1: randomized clinical trial of the efficacy and safety of oral semaglutide monotherapy in comparison with placebo in patients with type 2 diabetes

VR Aroda, J Rosenstock, Y Terauchi, Y Altuntas… - Diabetes …, 2019 - Am Diabetes Assoc
OBJECTIVE This trial compared the efficacy and safety of the first oral glucagon-like peptide
1 (GLP-1) receptor agonist, oral semaglutide, as monotherapy with placebo in patients with …

Wound‐induced traumatic resin duct development in stems of Norway spruce (Pinaceae): anatomy and cytochemical traits

NE Nagy, VR Franceschi, H Solheim… - American Journal of …, 2000 - Wiley Online Library
Wounding of Norway spruce by inoculation with sterile agar, or agar containing the
pathogenic fungus Ceratocystis polonica, induced traumatic resin duct formation in the stem …

Glucose metabolism, lipid metabolism, and cardiovascular risk factors in adult Turner's syndrome: the impact of sex hormone replacement

CH Gravholt, RW Naeraa, B Nyholm, LU Gerdes… - Diabetes …, 1998 - Am Diabetes Assoc
OBJECTIVE To examine glucose metabolism, blood pressure, physical fitness, and lipid
metabolism in adult untreated women with Turner's syndrome compared with a group of …

Application of methyl jasmonate on Picea abies (Pinaceae) stems induces defense‐related responses in phloem and xylem

VR Franceschi, T Krekling… - American Journal of …, 2002 - Wiley Online Library
Application of 100 mmol/L methyl jasmonate (MJ) to the intact bark of 30‐yr‐old Norway
spruce induced anatomical reactions related to defense. Within 30 d, a single MJ treatment …