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Ecology and Evolution

D-Index
34
Citations
3762
World Ranking
7707
National Ranking
22

Overview

Tatjana Krama is affiliated with the University of Tartu in Estonia. Their primary research domain falls within Agricultural and Biological Sciences, with a particular focus on Ecological, Evolutionary, and Behavioral studies. This extensive involvement is reflected in their 49 publications across related fields.

Their research encompasses various subfields, including Ecology, Evolution, Behavior and Systematics, Insect Science, Cellular and Molecular Neuroscience, and Genetics. These subfields indicate a multidisciplinary approach, combining biological systems at molecular, organismal, and ecological levels.

Research topics addressed by Tatjana Krama include:

  • Animal Behavior and Reproduction
  • Plant and Animal Studies
  • Avian Ecology and Behavior
  • Neurobiology and Insect Physiology Research
  • Insect and Pesticide Research
  • Evolutionary Game Theory and Cooperation
  • Animal Ecology and Behavior Studies

Frequent publication venues show a pattern of submissions to specialized and interdisciplinary journals, including:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Birds
  • Frontiers in Behavioral Neuroscience
  • Adaptive Human Behavior and Physiology
  • Scientific Reports

Recent notable papers authored or coauthored by Tatjana Krama include:

  • "Women's socioeconomic position in ontogeny is associated with improved immune function and lower stress, but not with height" (2020, Scientific Reports)
  • "Extra-pair paternity explains cooperation in a bird species" (2022, Proceedings of the National Academy of Sciences)
  • "Estimates of Tree Canopy Closure and Basal Area as Proxies for Tree Crown Volume at a Stand Scale" (2020, Forests)
  • "Covid-19: Fat, Obesity, Inflammation, Ethnicity, and Sex Differences" (2020, Pathogens)
  • "Egalitarian mixed-species bird groups enhance winter survival of subordinate group members but only in high-quality forests" (2020, Scientific Reports)

Their collaboration network includes several frequent coauthors, underscoring ongoing research partnerships. Key collaborators are:

  • Indriķis Krams (45 joint publications)
  • Markus J. Rantala (28 joint publications)
  • Priit Jõers (24 joint publications)
  • Didzis Elferts (23 joint publications)
  • Ronalds Krams (19 joint publications)

Best Publications

  • Evidence for the stress-linked immunocompetence handicap hypothesis in humans

    Markus J. Rantala;Fhionna R. Moore;Ilona Skrinda;Tatjana Krama

  • Experimental evidence of reciprocal altruism in the pied flycatcher

    Indrikis Krams;Tatjana Krama;Kristine Igaune;Raivo Mänd

  • A rapid effect of handling on counts of white blood cells in a wintering passerine bird: a more practical measure of stress?

    Dina Cīrule;Tatjana Krama;Tatjana Krama;Jolanta Vrublevska;Markus J. Rantala

  • Adiposity, compared with masculinity, serves as a more valid cue to immunocompetence in human mate choice

    Markus J. Rantala;Vinet Coetzee;Fhionna R. Moore;Ilona Skrinda

  • Linking social complexity and vocal complexity: a parid perspective

    Indrikis Krams;Indrikis Krams;Tatjana Krama;Todd M. Freeberg;Cecilia Kullberg

  • Heterophil/lymphocyte ratios predict the magnitude of humoral immune response to a novel antigen in great tits (Parus major)

    Indrikis Krams;Jolanta Vrublevska;Dina Cirule;Inese Kivleniece

  • Interspecific reciprocity explains mobbing behaviour of the breeding chaffinches, Fringilla coelebs

    Indrikis Krams;Tatjana Krama

  • Cost of mobbing call to breeding pied flycatcher, Ficedula hypoleuca

    Tatjana Krama;Indrikis Krams

  • The increased risk of predation enhances cooperation

    Indrikis Krams;Arnis Bērziņš;Tatjana Krama;Tatjana Krama;David Wheatcroft

  • Group effect in nest defence behaviour of breeding pied flycatchers, Ficedula hypoleuca

    Indrikis Krams;Arnis Bērziņš;Tatjana Krama

  • Fattening strategies of wintering great tits support the optimal body mass hypothesis under conditions of extremely low ambient temperature

    Indrikis Krams;Dina Cirule;Valerija Suraka;Tatjana Krama;Tatjana Krama

  • Predation selects for low resting metabolic rate and consistent individual differences in anti-predator behavior in a beetle

    Indrikis Krams;Indrikis Krams;Inese Kivleniece;Aare Kuusik;Tatjana Krama

  • Effects of food quality on trade-offs among growth, immunity and survival in the greater wax moth Galleria mellonella.

    Indrikis Krams;Indrikis Krams;Sanita Kecko;Katariina Kangassalo;Fhionna R. Moore

  • Microbiome symbionts and diet diversity incur costs on the immune system of insect larvae.

    Indrikis A. Krams;Indrikis A. Krams;Indrikis A. Krams;Sanita Kecko;Priit Jõers;Giedrius Trakimas;Giedrius Trakimas

  • Alarm calls of wintering great tits Parus major: warning of mate, reciprocal altruism or a message to the predator?

    Indrikis Krams;Tatjana Krama;Kristine Igaune

  • Acute infection of avian malaria impairs concentration of haemoglobin and survival in juvenile altricial birds

    I. A. Krams;I. A. Krams;V. Suraka;M. J. Rantala;T. Sepp

  • Eating Disorders: An Evolutionary Psychoneuroimmunological Approach.

    Markus J. Rantala;Severi Luoto;Tatjana Krama;Indrikis Krams;Indrikis Krams

  • Long-lasting mobbing of the pied flycatcher increases the risk of nest predation

    Indrikis Krams;Tatjana Krama;Kristine Igaune;Raivo Mänd

  • Women's socioeconomic position in ontogeny is associated with improved immune function and lower stress, but not with height.

    Anna Rubika;Severi Luoto;Tatjana Krama;Tatjana Krama;Tatjana Krama;Giedrius Trakimas;Giedrius Trakimas

  • Female choice reveals terminal investment in male mealworm beetles, Tenebrio molitor, after a repeated activation of the immune system.

    I Krams;I Krams;J Daukšte;I Kivleniece;T Krama

  • Predation promotes survival of beetles with lower resting metabolic rates

    Indrikis Krams;Indrikis Krams;Indrikis Krams;Inese Kivleniece;Aare Kuusik;Tatjana Krama

  • You mob my owl, I'll mob yours: birds play tit-for-tat game

    Tatjana Krama;Jolanta Vrublevska;Todd M. Freeberg;Cecilia Kullberg

Frequent Co-Authors

Indrikis Krams
Indrikis Krams University of Latvia
Markus J. Rantala
Markus J. Rantala University of Turku
Raivo Mänd
Raivo Mänd University of Tartu
Seppo Rytkönen
Seppo Rytkönen University of Oulu
Markku Orell
Markku Orell University of Oulu
Jorma Ilonen
Jorma Ilonen University of Turku
Reinald Pamplona
Reinald Pamplona University of Lleida
Howard T. Jacobs
Howard T. Jacobs Tampere University
Hanna Kokko
Hanna Kokko Johannes Gutenberg University of Mainz
Jeffrey R. Lucas
Jeffrey R. Lucas Purdue University West Lafayette

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