Tiller population dynamics and production on Spartina densiflora (brong) on the floodplain of the Paraná river, Argentina
Tiller dynamics and net aerial primary productivity (NAPP) were studied in permanent sample plots of Spartina densiflora at Otamendi Natural Reserve (Buenos Aires Province, Argentina) from June 1996 to December 1997. Emergence, growth, senescence, survival, biomass dynamics, and tiller productivity...
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Society of Wetland Scientists
2002
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| LEADER | 09216caa a22009137a 4500 | ||
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| 001 | PAPER-5341 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518203459.0 | ||
| 008 | 190411s2002 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-25444450649 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Vicari, R.L. | |
| 245 | 1 | 0 | |a Tiller population dynamics and production on Spartina densiflora (brong) on the floodplain of the Paraná river, Argentina |
| 260 | |b Society of Wetland Scientists |c 2002 | ||
| 270 | 1 | 0 | |m Vicari, R.L.; Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina; email: rvicari@bg.fcen.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Tiller dynamics and net aerial primary productivity (NAPP) were studied in permanent sample plots of Spartina densiflora at Otamendi Natural Reserve (Buenos Aires Province, Argentina) from June 1996 to December 1997. Emergence, growth, senescence, survival, biomass dynamics, and tiller productivity were analyzed. These population attributes varied seasonally during the first study year, whereas variations were not detected in the subsequent year. Tiller density increased slightly during the first twelve months, attaining 2445 ± 869 tillers·m-2, then remaining constant until the end of the study period. Senescence rate was lower than emergence rate on most sampling occasions. Cohorts originated in different seasons showed distinct survival curves. The life span of tillers was at least 18 months. Green biomass reached maximum values (771 ± 410 g·m-2) during the first year but decreased during the last six months of observations. Annual NAPP was 1450 ± 566 g·m-2·y-1. Average productivity rate was higher in the first year than in the second year. The decrease in the population density of tillers of S. densiflora and the increase in its senescence rate were more likely related to grazing and flooding than to population dynamics. © 2002, The Society of Wetland Scientists. |l eng | |
| 593 | |a Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a NON-DESTRUCTIVE METHOD |
| 690 | 1 | 0 | |a PRIMARY PRODUCTION |
| 690 | 1 | 0 | |a SALT MARSH |
| 690 | 1 | 0 | |a SPARTINA DENSIFLORA |
| 690 | 1 | 0 | |a TILLER POPULATION DYNAMICS |
| 690 | 1 | 0 | |a BIOMASS |
| 690 | 1 | 0 | |a FLOODPLAIN |
| 690 | 1 | 0 | |a NONDESTRUCTIVE TESTING |
| 690 | 1 | 0 | |a POPULATION DYNAMICS |
| 690 | 1 | 0 | |a PRIMARY PRODUCTION |
| 690 | 1 | 0 | |a SENESCENCE |
| 690 | 1 | 0 | |a OTAMENDI NATURAL RESERVE |
| 690 | 1 | 0 | |a PARANA RIVER |
| 690 | 1 | 0 | |a WESTERN HEMISPHERE |
| 690 | 1 | 0 | |a WORLD |
| 690 | 1 | 0 | |a SPARTINA DENSIFLORA |
| 651 | 4 | |a ARGENTINA | |
| 651 | 4 | |a BUENOS AIRES [ARGENTINA] | |
| 651 | 4 | |a SOUTH AMERICA | |
| 700 | 1 | |a Fischer, S. | |
| 700 | 1 | |a Madanes, N. | |
| 700 | 1 | |a Bonaventura, S.M. | |
| 700 | 1 | |a Pancotto, V. | |
| 773 | 0 | |d Society of Wetland Scientists, 2002 |g v. 22 |h pp. 347-354 |k n. 2 |p Wetlands |x 02775212 |t Wetlands | |
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