Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2022
Sammendrag
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Forfattere
Palingamoorthy Gnanamoorthy Qinghai Song Junbin Zhao Yiping Zhang Jing Zhang Youxing Lin Liguo Zhou Sadia Bibi Chenna Sun Hui Yu Wenjun Zhou Liqing Sha Shusen Wang S. Chakraborty Pramit Kumar Deb BurmanSammendrag
The rapid conversion of tropical rainforests into monoculture plantations of rubber (Hevea brasiliensis) in Southeast Asia (SEA) necessitates understanding of rubber tree physiology under local climatic conditions. Frequent fog immersion in the montane regions of SEA may affect the water and carbon budgets of the rubber trees and the plantation ecosystems. We studied the effect of fog on various plant physiological parameters in a mature rubber plantation in southwest China over 3 years. During the study period, an average of 141 fog events occurred every year, and the majority occurred during the dry season, when the temperature was relatively low. In addition to the low temperature, fog events were also associated with low vapor pressure deficit, atmospheric water potential, relative humidity and frequent wet-canopy conditions. We divided the dry season into cool dry (November-February) and hot dry (March-April) seasons and classified days into foggy (FG) and non-foggy (non-FG) days. During the FG days of the cool dry season, the physiological activities of the rubber trees were suppressed where carbon assimilation and evapotranspiration showed reductions of 4% and 15%, respectively, compared to the cool dry non-FG days. Importantly, the unequal declines in carbon assimilation and evapotranspiration led to enhanced crop water productivity (WPc) on cool dry FG days but insignificant WPc values were found between FG and non-FG days of the hot dry season. Our results suggest that, by regulating plant physiology, fog events during the cool dry season significantly reduce water demand and alleviate water stress for the trees through improved WPc.
Forfattere
Andre van Eerde Aniko Varnai Yanliang Wang Lisa Paruch John-Kristian Jameson Fen Qiao Hans Geir Eiken Hang Su Vincent Eijsink Jihong Liu ClarkeSammendrag
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Sammendrag
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Sammendrag
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Forfattere
Inge Stupak Nicholas Clarke Andis Lazdins Iveta Kabasinskiene Diana Lukmine Dagnija LazdinaSammendrag
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Forfattere
Daniel Rasse Simon Weldon Erik J. Joner Stephen Joseph Claudia I. Kammann Xiaoyu Liu Adam O'Toole Genxing Pan Nazli Pelin Kocatürk SchumacherSammendrag
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Forfattere
Daniel RasseSammendrag
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Sammendrag
As a way to estimate evapotranspiration (ET), Heat Field Deformation (HFD) is a widely used method to measure sap flow of trees based on empirical relationships between heat transfer within tree stems and the sap flow rates. As an alternative, the Linear Heat Balance (LHB) method implements the same instrumental configuration as HFD but calculates the sap flow rates using analytical equations that are derived from fundamental conduction-convection heat transfer equations.
Forfattere
Adam O`Toole Ole Erik Lunder Simon Weldon Alexandra Rassat Erik J. Joner Vibeke Lind Daniel RasseSammendrag
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