JJH Katalog - Lichenological literature

36274

Raniga D., Amarasingam N., Sandino J., Doshi A., Barthelemy J., Randall K., Robinson S.A., Gonzalez F. & Bollard B. (2024): Monitoring of Antarctica’s fragile vegetation using drone-based remote sensing, multispectral imagery and AI - Sensors, 24(4): 1063 [30 p.]

Vegetation in East Antarctica, such as moss and lichen, vulnerable to the effects of climate change and ozone depletion, requires robust non-invasive methods to monitor its health condition. Despite the increasing use of unmanned aerial vehicles (UAVs) to acquire high-resolution data for vegetation analysis in Antarctic regions through artificial intelligence (AI) techniques, the use of multispectral imagery and deep learning (DL) is quite limited. This study addresses this gap with two pivotal contributions: … Read more...

36275

Svanberg I. & Ståhlberg S. (2024): Peasant food provision strategies and scientific proposals for famine foods in eighteenth-century Sweden - Gastronomy, 2(1): 18–37

The peasant diet during the Little Ice Age in Sweden was mainly grain-based (bread, gruel, and porridge), and the country was heavily dependent on grain imports to meet the population’s needs for food. During the eighteenth century in particular, when famines were frequent following failed harvests, Swedish peasants utilized a range of locally available resources to survive. Bark bread made of cambium (phloem) from Pinus sylvestris was, for example, commonly used as famine food. Scientists of the … Read more...

36277

Pradhan S., Dash S., Sahoo B., Parida S. & Rath B. (2024): Screening and characterization of bioactive compounds from two epiphytic microlichen and evaluation of their in vitro antioxidant activity - Future Journal of Pharmaceutical Sciences, 10: 10 [19 p.]

Background: Lichens in symbiosis produce a wide range of primary and secondary fne compounds in extreme environmental conditions that have a broad range of biological properties as well as antioxidant potential and can be used in future pharmaceuticals as a natural source of antioxidant molecules. Results: The two microlichen species collected are identifed based on morphological and molecular techniques; further studies are carried out by analyzing phytochemicals (FTIR, GC MS), and antioxidant … Read more...

36278

Makhnykina A.V., Vaganov E.A., Panov A.V., Koshurnikova N.N. & Prokushkin A.S. (2024): The pulses of soil CO2 emission in response to rainfall events in Central Siberia: revisiting the overall frost-free season CO2 flux - Forests, 15(2): 355 [16 p.]

Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO2 source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme … Read more...

36279

Silva I., Salvador C., Arantes S., Miller A.Z., Candeias A. & Caldeira A.T. (2024): The decorated garden Grotto of Condes de Basto Palace in Évora, Portugal: microbial community characterization and biocide tests for conservation - Micro, 14: 117–131

The Eugénio de Almeida Foundation’s Casa de Fresco is a historical monument of valuable historic–artistic significance, which currently reveals an assortment of biofilms due to the proliferation of microorganisms in the stone and rocaille elements. The biodeterioration in this area was studied as part of the Conservation and Restoration Project. We effectively characterized the local microbial community using modern high-throughput DNA analysis. Our results suggested the existence of a variety … Read more...

36280

Aptroot A., dos Santos L.A., Oliveira Junior I., Fraga Junior C.A.V., Spielmann A.A. & Cáceres M.E.S. (2024): New lichen species from south Brazil - Bryologist , 127(1): 66–87

Lichens were investigated in two upland areas in Brazil from which lichens were described in historical times. The main aim was to recollect topotypes, but 37 species turned out to be new records for Brazil. Also, 25 new lichen species are described, all from South Brazil: Acarospora aggregata, Allographa triangularis, Arthotheliopsis corticola, Astrothelium flavocrystallinum, Astrothelium flavoinspersum, Astrothelium macrostromaticum, Caloplaca fuscospora, Caloplaca marginireflectans, Cladonia sticticocrustosa, … Read more...

36281

Aptroot A., Lücking R. & Cáceres M.E.S. (2024): New species, records and combinations of Graphidaceae (lichenized fungi) from Brazil - Bryologist , 127(1): 22–55

We describe 43 new lichen species in the family Graphidaceae, mainly from the Amazon basin: Fissurina bispora, F. diamantica, F. endothallina, F. lirelloreagens, F. reticulolirellina, Graphis inspersonorstictica, G. polystriatosubmuriformis, G. viridithallina, Heiomasia hypostictica, Leucodecton aurantiacum, Mangoldia thallolomoides, Myriochapsa negativa, M. triseptata, Myriotrema inspersosticticum, M. reticulatum, M. roseum, M. xanthonicum, Ocellularia coronatoverrucosa, O. griseosorediata, O. inspersomuriformis, … Read more...

36282

Dou M., Liu S., Li J., Aptroot A. & Jia Z. (2024): Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China - MycoKeys, 102: 107–125

The lichenised fungal genus Pyrenula is a very common crustose lichen element in tropical to subtropical forests, but little research has been done on this genus in China. During our study on Pyrenula in China, based on morphological characteristics, chemical traits and molecular phylogenetic analysis (ITS and nuLSU), three new 3-septate species with red or orange oil in over-mature ascospores were found: Pyrenula inspersa sp. nov., P. thailandicoides sp. nov. and P. apiculata sp. nov. Compared to … Read more...

36285

Solhaug K.A., Eiterjord G., Løken M.H. & Gauslaa Y. (2024): Non-photochemical quenching may contribute to the dominance of the pale mat-forming lichen Cladonia stellaris over the sympatric melanic Cetraria islandica - Oecologia, 204: 187–198

The mat-forming fruticose lichens Cladonia stellaris and Cetraria islandica frequently co-occur on soils in sun-exposed boreal, subarctic, and alpine ecosystems. While the dominant reindeer lichen Cladonia lacks a cortex but produces the light-reflecting pale pigment usnic acid on its surface, the common but patchier Cetraria has a firm cortex sealed by the light-absorbing pigment melanin. By measuring reflectance spectra, high-light tolerance, photosynthetic responses, and chlorophyll fluorescence … Read more...

36286

Ingle K.K., Nayaka S. & Upreti D.K. (2024): The lichen genus Pseudopyrenula (Trypetheliaceae) in India - The Lichenologist, 56(1): 21-26

A survey of the lichen genus Pseudopyrenula in India is presented, with morphotaxonomic accounts of all six accepted species. Two species, P. himalayana and P. megaspora, are new to science. Both species resemble P. staphyleae but have a lichenized thallus and eccentric ostiole. Furthermore, P. himalayana differs from P. staphyleae in having immersed perithecia and narrower ascospores, while P. megaspora differs in the larger ascospores. Detailed descriptions of the new species are presented, together … Read more...