Based on the compilation of literature on lichens of Odisha(India)and other specimens and preserved in herbaria,we estimate that 252 species of lichens,belonging to 81 genera and 35 families are known from the state.G...Based on the compilation of literature on lichens of Odisha(India)and other specimens and preserved in herbaria,we estimate that 252 species of lichens,belonging to 81 genera and 35 families are known from the state.Graphidaceae with 49 species is the dominant family,followed by Arthoniaceae(21),Pyrenulaceae(19),Parmeliaceae(18),Trypetheliaceae(17),Physciaceae(15),Teloschistaceae(14),Lecanoraceae(13),Pertusariaceae(12),Ramalinaceae(11),Caliciaceae(11),Thelotremataceae(9)and Lecidiaceae(4).Among the lichen genera Graphis is dominant with 27 species,followed by Pyrenula(16),Caloplaca(14),Pertusaria(12),Lecanora(10),Parmotrema(9),Cryptothecia(9)and Pyxine(6).Accounts of lichens are only available from 13 out of 30 districts.Of these only cursory collections from 10 districts are available,whereas Mayurbhanj,Jharsuguda and Ganjam districts are well-explored for their lichen flora.The present enumeration of more than 250 species clearly indicates a rich diversity of lichens for the state.Further exploration in other unexplored districts will add more species to the lichen flora of the state.展开更多
This work deals with the survival analyses of the symbionts isolated from the lichen E.pusillum under desiccation and starvation stress.The mycobiont of the symbionts was under the desiccation in combination with star...This work deals with the survival analyses of the symbionts isolated from the lichen E.pusillum under desiccation and starvation stress.The mycobiont of the symbionts was under the desiccation in combination with starvation stress,and under starvation stress alone as well.The phycobiont of the symbionts was under desiccation stress alone.The experiments were detected by means of the biomass size,weight and cell density,deformity of the hyphae and cells,and metabolic activity through SEM (scanning electron microscopy),TEM (transmission electron microscopy),FM (fluorescence microscopy),spectrophotometry,and FCM (flow cytometry).The results show that the mycobiont can survive for seven months under desiccation stress in combination with starvation stress,and for eight months under starvation stress alone.The phycobiont can survive for two months under desiccation stress.It can provide a scientific basis for further research of the reproduction biology of lichens and arid desert biocarpet engineering to fix sand and carbon.展开更多
文摘Based on the compilation of literature on lichens of Odisha(India)and other specimens and preserved in herbaria,we estimate that 252 species of lichens,belonging to 81 genera and 35 families are known from the state.Graphidaceae with 49 species is the dominant family,followed by Arthoniaceae(21),Pyrenulaceae(19),Parmeliaceae(18),Trypetheliaceae(17),Physciaceae(15),Teloschistaceae(14),Lecanoraceae(13),Pertusariaceae(12),Ramalinaceae(11),Caliciaceae(11),Thelotremataceae(9)and Lecidiaceae(4).Among the lichen genera Graphis is dominant with 27 species,followed by Pyrenula(16),Caloplaca(14),Pertusaria(12),Lecanora(10),Parmotrema(9),Cryptothecia(9)and Pyxine(6).Accounts of lichens are only available from 13 out of 30 districts.Of these only cursory collections from 10 districts are available,whereas Mayurbhanj,Jharsuguda and Ganjam districts are well-explored for their lichen flora.The present enumeration of more than 250 species clearly indicates a rich diversity of lichens for the state.Further exploration in other unexplored districts will add more species to the lichen flora of the state.
基金supported by the National Natural Science Foundation of China (Grant No.30670004)Ministry of Science and Technology of China (Grant No.2007AA021405)
文摘This work deals with the survival analyses of the symbionts isolated from the lichen E.pusillum under desiccation and starvation stress.The mycobiont of the symbionts was under the desiccation in combination with starvation stress,and under starvation stress alone as well.The phycobiont of the symbionts was under desiccation stress alone.The experiments were detected by means of the biomass size,weight and cell density,deformity of the hyphae and cells,and metabolic activity through SEM (scanning electron microscopy),TEM (transmission electron microscopy),FM (fluorescence microscopy),spectrophotometry,and FCM (flow cytometry).The results show that the mycobiont can survive for seven months under desiccation stress in combination with starvation stress,and for eight months under starvation stress alone.The phycobiont can survive for two months under desiccation stress.It can provide a scientific basis for further research of the reproduction biology of lichens and arid desert biocarpet engineering to fix sand and carbon.
