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Ronalds Krams

Explore the profile of Ronalds Krams including associated specialties, affiliations and a list of published articles. Areas
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Articles 25
Citations 139
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Recent Articles
1.
Krams R, Cirule D, Munkevics M, Popovs S, Joers P, Contreras Garduno J, et al.
Ecol Evol . 2025 Jan; 15(1):e70823. PMID: 39803201
Modification and deterioration of old-growth forests by industrial forestry have seriously threatened species diversity worldwide. The loss of natural habitats increases the concentration of circulating glucocorticoids and incurs chronic stress...
2.
Krama T, Munkevics M, Krams R, Grigorjeva T, Trakimas G, Joers P, et al.
Front Behav Neurosci . 2024 Apr; 18:1391782. PMID: 38586562
[This corrects the article DOI: 10.3389/fnbeh.2023.1189301.].
3.
Somere K, Munkevics M, Krams R, Raca G, Luoto S, Krams I
Front Psychiatry . 2024 Mar; 15:1345455. PMID: 38550540
Introduction: Although some findings indicate that yoga can reduce stress and anxiety, many studies present mixed results. The potential of yoga interventions to alleviate anxiety, including the mechanisms and boundary...
4.
Krama T, Bahhir D, Ots L, Popovs S, Bartkevics V, Pugajeva I, et al.
Proc Biol Sci . 2023 Jul; 290(2002):20230442. PMID: 37403506
Predation can have both lethal and non-lethal effects on prey. The non-lethal effects of predation can instil changes in prey life history, behaviour, morphology and physiology, causing adaptive evolution. The...
5.
Krama T, Munkevics M, Krams R, Grigorjeva T, Trakimas G, Joers P, et al.
Front Behav Neurosci . 2023 Jun; 17:1189301. PMID: 37304760
The development of high-throughput behavioral assays, where numerous individual animals can be analyzed in various experimental conditions, has facilitated the study of animal personality. Previous research showed that isogenic flies...
6.
Krama T, Krams R, Elferts D, Sieving K, Krams I
Philos Trans R Soc Lond B Biol Sci . 2023 Apr; 378(1878):20220102. PMID: 37066646
Animals adjust their use of alarm calls depending on social environments. We tested whether dominant (adult) and subordinate (juvenile non-kin) male crested tits () warn each other and heterospecific willow...
7.
Eliassen S, Krama T, Luoto S, Krams R, Mennerat A, Joers P, et al.
Proc Natl Acad Sci U S A . 2022 Jul; 119(30):e2207741119. PMID: 35858464
No abstract available.
8.
Krama T, Krams R, Munkevics M, Willow J, Popovs S, Elferts D, et al.
PeerJ . 2022 Mar; 10:e12953. PMID: 35256917
Free-living organisms face multiple stressors in their habitats, and habitat quality often affects development and life history traits. Increasing pressures of agricultural intensification have been shown to influence diversity and...
9.
Krams R, Gudra D, Popovs S, Willow J, Krama T, Munkevics M, et al.
Insects . 2022 Jan; 13(1). PMID: 35055941
Bumblebees are key pollinators in agricultural landscapes. However, little is known about how gut microbial communities respond to anthropogenic changes. We used commercially produced colonies of buff-tailed bumblebees () placed...
10.
Krams I, Mennerat A, Krama T, Krams R, Joers P, Elferts D, et al.
Proc Natl Acad Sci U S A . 2022 Jan; 119(5). PMID: 35042830
In many social animals, females mate with multiple males, but the adaptive value of female extra-pair mating is not fully understood. Here, we tested whether male pied flycatchers () engaging...