Using aridity indices to describe some climate and soil features in Eastern Europe: a Romanian case study

Paltineanu, Cristian; Mihailescu, I. F.; Seceleanu, I.; Dragotă, Carmen-Sofia; Vasenciuc, F.

doi:10.1007/s00704-007-0295-3

Cited by 81 publications

(55 citation statements)

References 5 publications

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“…The Romanian wine industry is particularly involved in the controversial effects posed by climate changes, even if the overall effects of the climate change on the Romanian viticulture are uncertain, it is known that the productivity of grapevines is decreased because of the abiotic stresses (freezing temperatures, increasing soil salinity and accumulation of plant protection products in soil) (Păltineanu et al, 2007;Dragotă et al, 2011).…”

Section: Climatic Datamentioning

confidence: 99%

Qualitative Assessment of the White Wine Varieties Grown in Dealu Bujorului Vineyard, Romania

Bora¹,

Donici²,

Oṣlobanu

et al. 2016

Not Bot Horti Agrobo

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Section: Climatic Datamentioning

confidence: 99%

Qualitative Assessment of the White Wine Varieties Grown in Dealu Bujorului Vineyard, Romania

Bora¹,

Donici²,

Oṣlobanu

et al. 2016

Not Bot Horti Agrobo

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“…The higher the index value, the lower the aridity found. Generally, a value below 20 was considered arid or semi-arid, and more specifically, the upper limit for semi-arid was defined as 22.5, and for arid, it was set at 7.5 [28,30]. The average annual rainfall of sites 1 to 6 was 2035 mm, 1600 mm, 1411 mm, 1029 mm, 843 mm, and 625 mm, respectively, during 1982-2014 (Department of Meteorology and Hydrology of Myanmar).…”

Section: Study Areamentioning

confidence: 99%

Factors Affecting Natural Regeneration of Tropical Forests across a Precipitation Gradient in Myanmar

Khaine

Woo

Kwak

et al. 2018

Forests

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Natural regeneration is an essential component of forest dynamics and the recovery of ecosystem functions. Therefore, understanding regeneration status, and how abiotic and biotic factors affect it, is important for ecological studies. This study discovered different regeneration statuses of tropical forests in response to differences in rainfall in Myanmar, and the environmental and overstory factors that had the most influence on understory regeneration. Study sites were set up in regions with 625 to 2035 mm of annual rainfall, and ecological characteristics were measured. According to the results, natural regeneration increased with rainfall, showing a good regeneration status at all sites. Forests within a range of 1411-2035 mm of annual rainfall had a significantly higher density and species diversity at specific natural regeneration stages than those with 625-1029 mm. Not only abiotic but also overstory structure affected the natural regeneration of forests. However, not all factors influenced natural regeneration status. Overstory size distribution parameters did not show a significant influence on natural regeneration. Average annual rainfall (abiotic), as well as ecosystem complexity, density, species richness, and diversity (overstory), were found to be the most influential factors for the density and diversity of natural regeneration. The results of this study will support silviculture and the management of tropical forests.

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Section: Methodsmentioning

confidence: 99%

“…The studied orchard is located in Valu lui Traian commune, Dobrogea, Romania. This is a semi-arid region with a climatic water deficit (WD), calculated as a difference between annual precipitation (P) and Penman-Monteith reference evapotranspiration (PM-ETo) (Monteith, 1965) ranging from about -400 mm on the Black Sea costal area to -320 mm (Paltineanu et al, 2007b).The climatic data: solar radiation, air temperature, relative humidity, wind velocity at the height of 2 m, precipitation (P) and PM-ETo were recorded by an automatic weather station (WatchDog Weather Station 2000) with 1 h step. The climate conditions at the experimental site are characterized by a mean annual temperature of 10.7°C and a mean annual precipitation of 409 mm, not uniformly distributed across the year (Paltineanu et al, 2007a); for the whole year the PM-ETo totals 778 mm.…”

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Peach response to water deficit in a semi-arid region

Paltineanu¹,

Septar²,

Moale³

et al. 2013

International Agrophysics

Self Cite

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A b s t r a c t. During three years a deficit irrigation experiment was performed on peach response under the semi-arid conditions of south-eastern Romania. Three sprinkler-irrigated treatments were investigated: fully irrigated, deficit irrigation treatment, and non-irrigated control treatment. Soil water content ranged between 60 and 76% of the plant available soil water capacity in fully irrigated, between 40 and 62% in deficit irrigation treatment, and between 30 and 45% in control. There were significant differences in fruit yield between the treatments. Irrigation water use efficiency was maximum in deficit irrigation treatment. Fruit yield correlated significantly with irrigation application. Total dry matter content, total solids content and titrable acidity of fruit were significantly different in the irrigated treatments vs. the control. Significant correlation coefficients were found between some fruit chemical components. For the possible future global warming conditions, when water use becomes increasingly restrictive, deficit irrigation will be a reasonable solution for water conservation in regions with similar soil and climate conditions. K e y w o r d s: soil water content, irrigation water use efficiency, fruit yield, fruit quality INTRODUCTIONRegulated deficit irrigation (RDI) and deficit irrigation (DI) have been used in various agriculture experiments. In horticultural crops, such studies were carried out during both pre-harvest and post-harvest stages. RDI assumes imposing moderate reduction in irrigation water amount during some non-critical stages of tree development and preserving fruit yield and quality (Behboudian and Mills, 1997;Chalmers et al., 1981). DI is an optimization strategy in which irrigation is applied during drought-sensitive growth stages of a crop, resulting in plant drought stress, production loss, but maximising irrigation water productivity (English, 1990); DI is actually applied to the whole crop season in both sensitive and non-sensitive periods, but emphasis is put on the first. Some authors have emphasised water relations and plant measurements in fruit growing RDI; for instance, Shackel (2011), working with various fruit trees, reported that the management of irrigation to achieve benefits of RDI is difficult without a reliable plant-based measure of stress, like midday stem water potential, stomatal conductance, vegetative growth, fruit growth and composition, such as soluble solids.The idea of saving water and increasing irrigation efficiency with decreasing irrigation water application was confirmed by English and Raja (1996). Other authors have also reported that in arid regions, irrigation should increase water use efficiency and decrease the impact on the environment, preserving soil and water quality (Dichio et al., 2011). In the short term, DI leads to water saving without yield loss (Fereres and Soriado, 2007;Naor, 2006), while in the long-term fruit yield can be reduced due to the cumulative effects on trees (Intrigliolo et al., 2005). Domingo et al. (2...

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Using aridity indices to describe some climate and soil features in Eastern Europe: a Romanian case study

Cited by 81 publications

References 5 publications

Qualitative Assessment of the White Wine Varieties Grown in Dealu Bujorului Vineyard, Romania

Qualitative Assessment of the White Wine Varieties Grown in Dealu Bujorului Vineyard, Romania

Factors Affecting Natural Regeneration of Tropical Forests across a Precipitation Gradient in Myanmar

Peach response to water deficit in a semi-arid region

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