Katalog - Lichenological literature

38036

Thakur M., Mishra G.K., Nayaka S. & Chander H. (2020): An assessment of lichens diversity from Mandi District, Himachal Pradesh, India, International Journal of Plant and Environment, 6(4): 277-282

A total of 70 species of lichens belonging to 29 genera and 15 families were found growing in eight different localities of Mandi district of Himachal Pradesh, India. The present study reveals the addition of 14 species of lichens as new to the state. The lichen genus Lecanora with 11 species exhibits the dominance in the area. Among the different localities of the district the area Sikandra Dhar showed maximum diversity of lichens followed by Balh valley, Barot and Mandi city as 19, 18, 17 and … Read more...

38035

Catán S.P., Bubach D., Messuti M.I., Arribére M.A. & Guevara S.R. (2020): Mercury in a geothermal and volcanic area in Patagonia, southern South America, Atmospheric Pollution Research, 11(3): 566-573

Mercury and heavy metal contents are monitored using lichens as a tool for evaluation of air pollution. Lichens allow the identification of zones with anthropic impact, pollution hotspots and natural sources of contamination like volcanic emissions. The concentration of mercury (Hg) semivolatiles and rare-earth elements (REEs) were measured in our case in fruticose lichen thalli and soils collected in an active volcanic area: the Copahue-Caviahue Volcanic Complex, in northern Patagonia, South America. … Read more...

38034

Slate M.L., Callaway R.M. & Pearson D.E. (2019): Life in interstitial space: Biocrusts inhibit exotic but not native plant establishment in semi-arid grasslands, Journal of Ecology, 107(3): 1317-1327

Exotic plant species commonly exploit disturbances more successfully than native plants. This outcome is widely attributed to the fact that disturbance reduces biotic resistance from native plant competitors. However, biocrusts, communities of mosses, lichens, and micro-organisms, are a prominent component of semi-arid grasslands occurring in the interstitial spaces between vascular plants. Biocrusts may provide an important source of biotic resistance to invaders, different from native plant competition, … Read more...

38033

Gauslaa Y., Solhaug K.A. & Phinney N.H. (2020): Growth rates and thallus loss in hair lichens along small-scale Picea abies-canopy gradients, Fungal Ecology, 47: 100947

We quantified annual growth rate and loss of Bryoria capillaris and Usnea dasopoga transplants on Picea abies on parts of lower branches in the inner versus outer canopy in small, medium and tall trees in hemiboreal forests. Light at branches in the inner canopy was 2.7 x (for Bryoria capillaris) and 2.0 x (for Usnea dasopoga) higher than the lichens’ respective light compensation points, 10.7 ± 1.2 and 14.5 ± 2.2 μmol m−2 s−1, respectively. Many Bryoria thalli were lost/fragmented on sheltered … Read more...

38032

Guan H. & Cao R. (2019): Effects of biocrusts and rainfall characteristics on runoff generation in the Mu Us Desert, northwest China, Hydrology Research, 50(5): 1410-1423

How the presence of biocrusts regulates runoff generation in the Mu Us Desert is not well known. Runoff experiments under natural and artificial rainfalls and numerical simulations were conducted in semiarid environments to evaluate the effects of biocrust type and rainfall characteristics on runoff. The experimental results showed that the water drop penetration time (WDPT) of the moss-dominated biocrusts was 68.7% higher than that of lichen-dominated biocrusts. Nevertheless, the saturated hydraulic … Read more...

38031

Cocquempot M. (2019): Contributions à la connaissance des lichens des Hauts-de-France: Inventaire des lichens du golf de Mortefontaine (60), Bulletin de la Société linnéenne Nord-Picardie, 37: 201-207

lichens, Cladonia, Cladina, Golf, Mortefontaine, Oise Read more...

38030

Rocha B., Pinho P., Branquinho C., Boieiro M. & Matos P. (2019): Bringing the concept of ammonia critical levels into managing cork-oak woodland for conservation, Forest Ecology and Management, 453: 117566

Agricultural activities often emit excessive nitrogen concentrations to nearby habitats, impacting ecosystems structure and functioning. To protect them, critical levels were established as the concentration above which direct adverse effects on ecosystems may arise. However, due to lack of tools, critical levels are seldom applied in management strategies for conservation. Our objective was to provide a spatial-explicit tool to incorporate the concept of ammonia critical levels in management practices … Read more...

38029

Ozturk S., Erkisa M., Oran S., Ulukaya E., Celikler S. & Ari F. (2019): Lichens exerts an anti-proliferative effect on human breast and lung cancer cells through induction of apoptosis, Drug and Chemical Toxicology, 44(3): 259-267

Successful cancer treatment still requires new complexes or compounds from natural sources. Therefore, we investigated anti-growth/apoptotic effects of methanol extracts of the lichen species (Xanthoparmelia somloensis (Gleyn.) Hale, Usnea intermedia (A. Massal.) Jatta, Bryoria capillaris (Ach.) Brodo & D. Hawksw and Lobaria pulmonaria (L.) Hoffm.) on human lung (A549, H1299) and breast (MCF-7, MDA-MB-231) cancer cell lines. Anti-growth effects were monitored by the MTT and ATP viability assays. … Read more...

38028

González Y., Aragón G. & Prieto M. (2019): New records of terricolous lichens in Ecuadorian páramos Nuevos registros de líquenes terrícolas en los páramos ecuatorianos, Caldasia, 41(2): 445-449

We present 49 new lichen records from El Cajas and El Ángel páramos, in the provinces of Azuay and Carchi, respectively. We found the following new records to Ecuador: Cladonia scabriuscula, Cora accipiter, C. caucensis, C. dalehana, C. hafecesweorthensis, C. inversa, Dictyonema caespitosum, and Diploschistes hypoleucus; Cladonia corymbosula as new record to mainland Ecuador, and the new chemotype Cladonia squamosa QIII, with stictic and barbatic acids. 39 new records for Azuay and Carchi provinces … Read more...

38027

Hansson S.V., Høye T.T., Bach L., Mielec C., Mosbech A. & Søndergaard J. (2019): Spiders as biomonitors of metal pollution at Arctic mine sites: The case of the Black Angel Pb-Zn-mine, Maarmorilik, West Greenland, Ecological Indicators, 106: 105489

Metal pollution from mining activities is a well-known environmental concern, and detailed environmental monitoring before, during, and after mining is essential to evaluate the contamination status of a mining area. We therefore investigated the use of Arctic wolf spiders as a potential monitoring organism for metal contamination. In the Arctic, spiders are the most abundant group of terrestrial predators, with documented abilities to accumulate metals. In Greenland however, most contamination studies … Read more...