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Plant Science and Agronomy
Norway
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
45
Citations
7051
World Ranking
2873
National Ranking
2

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in Norway Leader Award
  • 2025 - Research.com Plant Science and Agronomy in Norway Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Lichen
  • Botany

The scientist’s investigation covers issues in Botany, Lichen, Thallus, Parietin and Lobaria pulmonaria. His Botany study often links to related topics such as Horticulture. Yngvar Gauslaa interconnects Biomass, Acetone, Epiphyte and Taiga in the investigation of issues within Lichen.

His Thallus study combines topics from a wide range of disciplines, such as Photosynthesis, Photosystem II and Usnic acid. His studies in Parietin integrate themes in fields like Photosynthetically active radiation, Photoprotection, Xanthoria elegans and Cetraria. His Lobaria pulmonaria study frequently draws connections between adjacent fields such as Pulmonaria.

His most cited work include:

  • UV‐induction of sun‐screening pigments in lichens (162 citations)
  • Differences in the susceptibility to light stress between epiphytic lichens of ancient and young boreal forest stands (159 citations)
  • Fungal melanins as a sun screen for symbiotic green algae in the lichen Lobaria pulmonaria (152 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Botany, Lichen, Lobaria pulmonaria, Thallus and Epiphyte. His work in Parietin, Chlorophyll fluorescence, Photoinhibition, Xanthoria parietina and Stictic acid are all subfields of Botany research. His Lichen research includes elements of Picea abies and Grazing.

His Lobaria pulmonaria research incorporates themes from Cyanolichen and Pulmonaria. His Thallus study integrates concerns from other disciplines, such as Photosynthesis, Photosystem II, Chlorophyll and Cetraria. His Epiphyte study which covers Canopy that intersects with Bark.

He most often published in these fields:

  • Botany (79.44%)
  • Lichen (79.44%)
  • Lobaria pulmonaria (48.60%)

What were the highlights of his more recent work (between 2017-2021)?

  • Lichen (79.44%)
  • Botany (79.44%)
  • Thallus (43.93%)

In recent papers he was focusing on the following fields of study:

Lichen, Botany, Thallus, Lobaria pulmonaria and Epiphyte are his primary areas of study. His Lichen study deals with the bigger picture of Ecology. In general Botany study, his work on Canopy, Usnea and Lobaria amplissima often relates to the realm of Water holding capacity, thereby connecting several areas of interest.

His research integrates issues of Abundance and Invertebrate in his study of Thallus. His work carried out in the field of Lobaria pulmonaria brings together such families of science as Lichenicolous fungus and Pulmonaria. Yngvar Gauslaa has included themes like Pantropical, Range and Boreal in his Epiphyte study.

Between 2017 and 2021, his most popular works were:

  • Rapid resurrection of chlorolichens in humid air: specific thallus mass drives rehydration and reactivation kinetics (23 citations)
  • Morphology drives water storage traits in the globally widespread lichen genus Usnea (10 citations)
  • Photobiont-dependent humidity threshold for chlorolichen photosystem II activation. (5 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Lichen
  • Botany

His primary areas of study are Lichen, Chlorophyll fluorescence, Thallus, Horticulture and Environmental chemistry. His Lichen research entails a greater understanding of Botany. When carried out as part of a general Thallus research project, his work on Lobaria pulmonaria is frequently linked to work in Relative growth rate, therefore connecting diverse disciplines of study.

His biological study spans a wide range of topics, including Gall and Pulmonaria. His Horticulture study incorporates themes from Photoprotection, Vulpinic acid, Usnic acid, Photoinhibition and Parietin. His work deals with themes such as Photosynthesis, Photosystem II and Green algae, which intersect with Environmental chemistry.

Best Publications

  • UV‐induction of sun‐screening pigments in lichens

    Knut Asbjørn Solhaug;Yngvar Gauslaa;Line Nybakken;Wolfgang Bilger

  • Rain, dew, and humid air as drivers of morphology, function and spatial distribution in epiphytic lichens

    Yngvar Gauslaa

  • Parietin, a photoprotective secondary product of the lichen Xanthoria parietina.

    Knut A. Solhaug;Yngvar Gauslaa

  • Differences in the susceptibility to light stress between epiphytic lichens of ancient and young boreal forest stands

    Y. Gauslaa;K. A. Solhaug

  • Fungal melanins as a sun screen for symbiotic green algae in the lichen Lobaria pulmonaria

    Yngvar Gauslaa;Knut Asbjørn Solhaug

  • Heat resistance and energy budget in different Scandinavian plants

    Unknown

  • Growth and ecophysiological acclimation of the foliose lichen Lobaria pulmonaria in forests with contrasting light climates

    Yngvar Gauslaa;Marit Lie;Knut Asbjørn Solhaug;Mikael Ohlson

  • Lichen palatability depends on investments in herbivore defence

    Yngvar Gauslaa

  • The Lobarion, an Epiphytic Community of Ancient Forests Threatened by Acid Rain

    Unknown

  • HIGH-LIGHT-INTENSITY DAMAGE TO THE FOLIOSE LICHEN LOBARIA PULMONARIA WITHIN A NATURAL FOREST: THE APPLICABILITY OF CHLOROPHYLL FLUORESCENCE METHODS

    Yngvar Gauslaa;Knut Asbjørn Solhaug

  • The elevation gradient of lichen species richness in Nepal

    Chitra Bahadur Baniya;Torstein Solhøy;Yngvar Gauslaa;Michael W. Palmer

  • The lichens Xanthoria elegans and Cetraria islandica maintain a high protection against UV-B radiation in Arctic habitats

    Line Nybakken;Knut Asbjørn Solhaug;Wolfgang Bilger;Yngvar Gauslaa

  • The Ecology of Lobarion Pulmonariae and Parmelion Caperatae in Quercus Dominated Forests in South-West Norway

    Unknown

  • High-light damage in air-dry thalli of the old forest lichen Lobaria pulmonaria - interactions of irradiance, exposure duration and high temperature

    Y. Gauslaa;K.A. Solhaug

  • Growth of epiphytic old forest lichens across climatic and successional gradients

    Y. Gauslaa;Kristin Palmqvist;K. A. Solhaug;H. Holien

  • The significance of thallus size for the water economy of the cyanobacterial old-forest lichen Degelia plumbea.

    Yngvar Gauslaa;Knut Asbjørn Solhaug

  • Photosynthates stimulate the UV‐B induced fungal anthraquinone synthesis in the foliose lichen Xanthoria parietina

    K. A. Solhaug;Y. Gauslaa

  • Changes in pools of depsidones and melanins, and their function, during growth and acclimation under contrasting natural light in the lichen Lobaria pulmonaria.

    Maria McEvoy;Yngvar Gauslaa;Knut Asbjørn Solhaug

  • The paradox of higher light tolerance during desiccation in rare old forest cyanolichens than in more widespread co-occurring chloro- and cephalolichens

    Yngvar Gauslaa;Darwyn S. Coxson;Knut Asbjørn Solhaug

  • Interspecific and intraspecific variations in water storage in epiphytic old forest foliose lichens

    Unknown

  • Seasonal changes in solar radiation drive acclimation of the sun-screening compound parietin in the lichen Xanthoria parietina

    Yngvar Gauslaa;Maria McEvoy

  • Photoinhibition in lichens depends on cortical characteristics and hydration

    Yngvar Gauslaa;Knut Asbjørn Solhaug

  • Acidity of boreal Picea abies-canopy lichens and their substratum, modified by local soils and airborne acidic depositions

    Yngvar Gauslaa;Håkon Holien

  • Gastropod grazing shapes the vertical distribution of epiphytic lichens in forest canopies

    Johan Asplund;Per Larsson;Steinar Vatne;Yngvar Gauslaa

Frequent Co-Authors

Knut Asbjørn Solhaug
Knut Asbjørn Solhaug Norwegian University of Life Sciences
Mikael Ohlson
Mikael Ohlson Norwegian University of Life Sciences
Wolfgang Bilger
Wolfgang Bilger Kiel University
Kristin Palmqvist
Kristin Palmqvist Umeå University
Michael W. Palmer
Michael W. Palmer Oklahoma State University
Richard P. Beckett
Richard P. Beckett University of KwaZulu-Natal
Thomas G. Pypker
Thomas G. Pypker Thompson Rivers University
Isabel Martínez
Isabel Martínez King Juan Carlos University

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