Canopy transpiration of a semi arid Pinus canariensis forest at a treeline ecotone in two hydrologically contrasting years

Brito, Patricia; Lorenzo, José R.; González‐Rodríguez, A.; Morales, D.; Wieser, Gerhard; Jiménez, María Soledad

doi:10.1016/j.agrformet.2014.11.008

Cited by 50 publications

(53 citation statements)

References 65 publications

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“…As in previous studies carried out in forests [8,50,51], at our study site, sap flow was also effected by environmental factors, such as P ar , V pd and T a . Our results indicate that sap flow density was significant linearly correlated with P ar , V pd and T a .…”

Section: Discussionmentioning

confidence: 50%

“…It exerts great influence on the weather patterns, Earth's surface energy balance and water supply to downstream systems [5,6]. Most prior studies indicated that sap flow is strongly influenced by environmental factors [7][8][9], including solar radiation, vapor pressure deficit, rainfall, air temperature, wind speed and soil water content [10]. For example, in a comparative study, the effect of a flat-roof screen house on banana transpiration showed that reduction in transpiration in the screen house is mainly due to the combined reductions of wind speed and global radiation [11].…”

Section: Introductionmentioning

confidence: 99%

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The Relationship between Sap Flow Density and Environmental Factors in the Yangtze River Delta Region of China

Liu

Zhang

Zhuang

et al. 2017

Forests

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Abstract:Canopy transpiration is an important component of evapotranspiration, integrating physical and biological processes within the water and energy cycles of forests. Quercus acutissima and Cunninghamia lanceolata are two important, fast-growing and commercial tree species that have been extensively used for vegetation restoration, water conservation and building artificial forests in the Yangtze River Delta region of China. The primary objective of this study was to characterize sap flow densities of the two species by comparing daytime and nocturnal sap flow patterns and their relationships with environmental factors. Sap flow densities (S d ) were measured between September 2012 and August 2013 using the commercially-available thermal dissipation probes. Hourly meteorological data were measured in an open field, located 200 m away from the study site, including photosynthetically-active radiation (P ar ), air temperature (T a ), relative air humidity (R h ), vapor pressure deficit (V pd ) and precipitation (P). Soil water content (S wc ) data were logged hourly in different layers at Q. acutissima and C. lanceolata forests. Results indicated that the mean S d in summer was higher than that in spring and autumn. Both the S d of Q. acutissima and C. lanceolata showed distinct diurnal patterns. Nocturnal sap flow densities (S dn ) were noticeable, and both species followed similar declining patterns during our study period. The daytime sap flow density (S dd ) was more sensitive to environmental factors than S dn . Sap flow density was significant linearly correlated with P ar , V pd and T a , and P ar and V pd explained the greatest amount of variation in daytime sap flow of Q. acutissima and C. lanceolata, respectively. Our study will enrich knowledge of plantation forest physical and biological processes and provide valuable information for plantation forest management in the Yangtze River Delta region of China.

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Section: Discussionmentioning

confidence: 50%

Section: Introductionmentioning

confidence: 99%

The Relationship between Sap Flow Density and Environmental Factors in the Yangtze River Delta Region of China

Liu

Zhang

Zhuang

et al. 2017

Forests

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“…Sap flow measurement can provide insights on environmental limitations and it yields results comparable with the estimates of water use for entire forest ecosystems (Chirino et al, 2011;Kumagai et al, 2014;Miyazawa et al, 2014). Previous studies have shown that sap flow characteristics vary with species and growth status, as well as with meteorological, environmental, and edaphic features (Brito et al, 2015;Du et al, 2011). In areas with insufficient water, for example, soil water conditions can restrict many physiological processes (Li et al, 2014b).…”

Section: Introductionmentioning

confidence: 72%

“…Under the conditions of a saturated shallow water table, forest transpiration could equal PET (Čermák and Prax, 2001). Brito et al (2015) found that the total canopy transpiration of Pinus canariensis increased by 133% in a wet year than that in a normal year. Canopy transpiration variation showed significant correlation with soil water content variation (Fig.…”

Section: Effects Of Terracing On Canopy Transpirationmentioning

confidence: 99%

“…The mechanismdriven studies on transpiration will provide theoretical guidance for forest management (Bosch et al, 2014;Brito et al, 2015;Chang et al, 2014b), especially in regions where transpiration is a fundamental datum for understanding the ecophysiology of planted forests (Wang et al, 2012). It is also central to the construction of an ecosystem-level water balance (Yang et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Effects of terracing on soil water and canopy transpiration of Pinus tabulaeformis in the Loess Plateau of China

Zhang

Wei

Chen

et al. 2017

Ecological Engineering

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a b s t r a c tTerracing has long been considered one of the most effective measures for soil water conservation and site improvement. However, few studies regarding the quantitative effects of terracing on soil water dynamics and vegetation water use efficiency were reported. To fill these knowledge gaps, in this study, soil water content and canopy transpiration from 2014 to 2015 were monitored in both terrace and slope environments in the semiarid Loess Plateau of China. Results showed that terracing had positive influences on soil water content among layers. Mean soil water content of the terrace site was 25.4% and 13.7% higher than that in the slope site in 2014 and 2015, and canopy transpiration at the terrace site increased by 9.1% and 4.8%, respectively. Canopy conductance at the terrace site was 3.9% higher than that at the slope site and it decreased logarithmically with the increase of vapor pressure deficit. This study highlighted the critical role of terracing in soil-water improvement and water-stress mitigation in semiarid environments. Thus, terracing has the potential to enhance sustainable vegetation restoration in water-limited regions.

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Forecast increase in invasive rabbit spread into ecosystems of an oceanic island (Tenerife) under climate change

Bello-Rodríguez

Mateo

Pellissier

et al. 2020

Ecological Applications

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Canopy transpiration of a semi arid Pinus canariensis forest at a treeline ecotone in two hydrologically contrasting years

Cited by 50 publications

References 65 publications

The Relationship between Sap Flow Density and Environmental Factors in the Yangtze River Delta Region of China

The Relationship between Sap Flow Density and Environmental Factors in the Yangtze River Delta Region of China

Effects of terracing on soil water and canopy transpiration of Pinus tabulaeformis in the Loess Plateau of China

Forecast increase in invasive rabbit spread into ecosystems of an oceanic island (Tenerife) under climate change

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