Heterogeneity of chlorophyll fluorescence over thalli of several foliose macrolichens exposed to adverse environmental factors: Interspecific differences as related to thallus hydration and high irradiance.
|Year of publication||2000|
|Type||Article in Periodical|
|Magazine / Source||Photosynthetica|
|MU Faculty or unit|
|Keywords||chlorophyll fluorescence imaging; desiccation; high light; Hypogymnia physodes; Lasallia pustulata; Umbilicaria hirsuta; lichen; photosynthetic parameter|
|Description||Spatial heterogeneity of variable chlorophyll fluorescence over thalli of Hypogymnia physodes, Lasallia pustulata, and Umbilicaria hirsuta were studied using chlorophyll fluorescence imagig technique. Distribution of maximum (Fp) fluorescence was species-specific: maximal values were found at thallus margins (H. physodes), center (L. pustulata), and irregular patches (U. hirsuta. Fp decreased with thallus dehydration.|