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Titolo:
SPATIAL GENETIC-STRUCTURE IN POPULATIONS OF CHIMAPHILA-JAPONICA AND PYROLA-JAPONICA (PYROLACEAE)
Autore:
KANG SS; CHUNG MG;
Indirizzi:
GYEONGSANG NATL UNIV,DEPT BIOL CHINJU 660701 SOUTH KOREA
Titolo Testata:
Annales botanici Fennici
fascicolo: 1, volume: 34, anno: 1997,
pagine: 15 - 20
SICI:
0003-3847(1997)34:1<15:SGIPOC>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
GLEDITSIA-TRIACANTHOS LEGUMINOSAE; AUTO-CORRELATION ANALYSIS; AUTOCORRELATION ANALYSIS; PLANT-POPULATIONS; PONDEROSA PINE; GENOTYPES; VARIABILITY; DISTANCE; BIOLOGY; OAK;
Keywords:
ALLOZYME; CHIMAPHILA JAPONICA; GENE FLOW; MORANS I; PYROLA JAPONICA; SPATIAL AUTOCORRELATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
S.S. Kang e M.G. Chung, "SPATIAL GENETIC-STRUCTURE IN POPULATIONS OF CHIMAPHILA-JAPONICA AND PYROLA-JAPONICA (PYROLACEAE)", Annales botanici Fennici, 34(1), 1997, pp. 15-20

Abstract

One hundred and forty and 100 individuals were mapped and sampled in a natural habitat (11 x 45 m) of Chimaphila japonica and Pyrola japonica, respectively, to analyze the spatial distribution of genotypes using spatial autocorrelation analysis of enzyme polymorphisms. Chimaphila japonica is a rhizomatous evergreen subshrub, whereas P. japonica isan evergreen herbaceous perennial. Populations of these species have discontinuous distributions and occur in conifer forests in northeastern Asia. For C. japonica, Moran's I values were significant in 16 out of 40 (40%) cases, and for P. japonica, in 26 out of 50 (52%), indicating that a significant small-scale genetic substructuring within a population existed for both species. The mean correlograms of C. japonicaand P. japonica indicate that the patch widths of both species were approximately 5-7 m and 9-10 m, respectively. A nonrandom distribution of genotypes may be a reflection of restricted gene flow, patchy establishment of genetically related individuals, and/or clonal reproduction. The pattern of the average Moran's I values of C. japonica for eachdistance class was similar to that of P. japonica. The similar pattern of genetic substructuring found in both species reflects their similar life history and ecological traits (e.g., insect pollination, similar habitat and habit, seed dispersal mechanism, and low fecundity).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 00:37:45