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Titolo:
EFFECTS OF CO2 CONCENTRATION AND WATER AVAILABILITY ON GROWTH AND GAS-EXCHANGE IN GREENHOUSE-GROWN MINIATURE STANDS OF LOBLOLLY-PINE AND RED MAPLE
Autore:
GRONINGER JW; SEILER JR; ZEDAKER SM; BERRANG PC;
Indirizzi:
VIRGINIA POLYTECH INST & STATE UNIV,DEPT FORESTRY BLACKSBURG VA 24061 US FOREST SERV,CTR FOREST ENVIRONM STUDIES,USDA DRY BRANCH GA 31020
Titolo Testata:
Functional ecology
fascicolo: 6, volume: 10, anno: 1996,
pagine: 708 - 716
SICI:
0269-8463(1996)10:6<708:EOCCAW>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELEVATED CARBON-DIOXIDE; ATMOSPHERIC CO2; INTERFERENCE INTERACTIONS; LIQUIDAMBAR-STYRACIFLUA; TAEDA SEEDLINGS; TREE SEEDLINGS; BEECH STANDS; ENRICHMENT; RESPONSES; STRESS;
Keywords:
ACER RUBRUM; FOREST COMPETITION; GLOBAL CHANGE; MINIATURE STANDS; PINUS TAEDA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
J.W. Groninger et al., "EFFECTS OF CO2 CONCENTRATION AND WATER AVAILABILITY ON GROWTH AND GAS-EXCHANGE IN GREENHOUSE-GROWN MINIATURE STANDS OF LOBLOLLY-PINE AND RED MAPLE", Functional ecology, 10(6), 1996, pp. 708-716

Abstract

1. The study assesses the effects of atmospheric CO2 concentration and water availability on stand development and photosynthetic characteristics of Loblolly Pine (Pinus taeda) and Red Maple (Acer rubrum). Miniature stands of these species were grown from seed in monoculture andin a 50:50 replacement mixture for two accelerated growing seasons. 2. Both species had greater biomass under the higher levels of CO2 and water availability. Biomass of Loblolly Pine seedlings in mixed standsexceeded that in monocultures, while the opposite was true for Red Maple. No significant treatment interactions were detected for total biomass. Significant main effects for water and stand type were detected for stem height of Loblolly Pine. CO2, water and stand type interactions were observed for height of Red Maple. 3. Net photosynthetic rates were measured on miniature stand canopies and constituent seedlings from these stands. Both species exhibited higher photosynthetic rates under elevated CO2. However, expression of photosynthesis on a leaf massor soil area basis affected conclusions regarding the role of water availability on stand-level response to elevated CO2.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 15:53:55