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Titolo:
TREE POPULATION-DYNAMICS IN 7 SOUTH-CAROLINA MIXED-SPECIES FORESTS
Autore:
JONES RH; SHARITZ RR; JAMES SM; DIXON PM;
Indirizzi:
AUBURN UNIV,SCH FORESTRY,108 M WHITE SMITH HALL AUBURN AL 36849 SAVANNAH RIVER ECOL LAB AIKEN SC 29802 UNIV GEORGIA,DEPT BOT ATHENS GA 30602 BERRY COLL,DEPT BIOL ROME GA 30149
Titolo Testata:
Bulletin of the Torrey Botanical Club
fascicolo: 4, volume: 121, anno: 1994,
pagine: 360 - 368
SICI:
0040-9618(1994)121:4<360:TPI7SM>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Keywords:
FOREST SUCCESSION; INGROWTH; MORTALITY; SHADE TOLERANCE; POPULATION FLUX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
R.H. Jones et al., "TREE POPULATION-DYNAMICS IN 7 SOUTH-CAROLINA MIXED-SPECIES FORESTS", Bulletin of the Torrey Botanical Club, 121(4), 1994, pp. 360-368

Abstract

Seven 1-ha plots were established in second-growth, mixed-species forests across a soil moisture gradient in the Coastal Plain of South Carolina. All trees in the plots were tagged in 1979 and measured in 1979and 1989 to determine 10-yr recruitment of trees greater than or equal to 4.5 cm DBH (ingrowth) and mortality. Ingrowth to mortality ratiosand sums of ingrowth plus mortality were used to quantify shade tolerance and successional status of individual species. In all plots, small stem density decreased and large stem density increased, an indication that the forests were in mid-successional phases where competition is expected to be intense. Shade tolerant species, especially small tree life forms, had the greatest ratios of ingrowth to mortality. Largedifferences in population flux, even among shade tolerant species, indicated that different mechanisms can account for increases in populations of late-succesional species. Within some species, ratios of ingrowth to mortality varied significantly across the gradient reflecting flooding or soil moisture effects on succession.

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Documento generato il 12/07/20 alle ore 03:22:49