Ultraviolet radiation screening compounds

CS Cockell, J Knowland - Biological Reviews, 1999 - cambridge.org
Amongst the diversity of methods used by organisms to reduce damage caused by
ultraviolet (UV) radiation, the synthesis of UV-screening compounds is almost ubiquitous …

Occurrence of UVA-and UVB-absorbing compounds in 152 species (206 strains) of marine microalgae

SW Jeffrey, HS MacTavish, WC Dunlap… - Marine Ecology …, 1999 - int-res.com
Marine microalgae (152 species, 206 strains) from 12 classes were examined for the
presence of UVA-and UVB-absorbing compounds. Cultures were grown under white …

Experimental test of the effect of ultraviolet‐B radiation in a planktonic community

B Mostajir, S Demers, S de Mora… - Limnology and …, 1999 - Wiley Online Library
Ultraviolet‐B (UVB, 280–320 nm) radiation is a natural component of sunlight that harms
organisms and disturbs natural communities in surface waters. A natural planktonic …

Crises and extinction in the fossil record—a role for ultraviolet radiation?

CS Cockell - Paleobiology, 1999 - cambridge.org
A number of natural events can cause ozone depletion, including asteroid and comet
impacts, large-scale volcanism involving the stratospheric injection of chlorine, and close …

The effects of UV radiation A and B on diurnal variation in photosynthesis in three taxonomically and ecologically diverse microbial mats

CS Cockell, LJ Rothschild - Photochemistry and photobiology, 1999 - Wiley Online Library
Photosynthetic primary production, the basis of most global food chains, is inhibited by UV
radiation. Evaluating UV inhibition is therefore important for assessing the role of natural …

Effects of UV-B dose and irradiance: comparison among grazers

AE McNamara, WR Hill - Journal of the North American …, 1999 - journals.uchicago.edu
Short-term ultraviolet-B (UV-B) radiation was administered in the laboratory to mayfly
nymphs (Diphetor hageni), midge larvae (Corynoneura taris), and snails (Elimia …

Ecological implications of changes in cell size and photosynthetic capacity of marine Prymnesiophyceae induced by ultraviolet-B radiation

B Mostajir, T Sime-Ngando, S Demers… - Marine Ecology …, 1999 - int-res.com
A natural planktonic assemblage of organisms (< 240 µm) was studied in mesocosm
experiments for 7 d under varying conditions of ultraviolet-B radiation (UVB: 280 to 320 nm) …

Effects of ambient UVB radiation in a meiobenthic community of a tidal mudflat

C Nozais, G Desrosiers, M Gosselin, C Belzile… - Marine Ecology …, 1999 - int-res.com
Most studies involving UVB radiation effects in the marine environment have focused mainly
on planktonic communities. Despite the importance of shallow-water sediments as nursery …

Application of spectral weighting functions in assessing the effects of environmental UV radiation

PJ Neale - 1999 - ACS Publications
The energy distribution of solar ultraviolet (UV) radiation reaching the earth's surface is a
strong function of wavelength, and the spectral distribution is a function of several climatic …