palm distribution
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2020 ◽  
Vol 463 ◽  
pp. 118032
Author(s):  
Ednéia A. dos Santos ◽  
Marcelo B. Medeiros ◽  
Evandro J.L. Ferreira ◽  
Marcelo F. Simon ◽  
Washington L. Oliveira ◽  
...  

2018 ◽  
Vol 8 (1) ◽  
Author(s):  
Tammo Reichgelt ◽  
Christopher K. West ◽  
David R. Greenwood
Keyword(s):  

2016 ◽  
Vol 12 ◽  
pp. 48-65 ◽  
Author(s):  
Ilkka Norros ◽  
Pirkko Kuusela ◽  
Satu Innamaa ◽  
Eetu Pilli-Sihvola ◽  
Riikka Rajamäki

2014 ◽  
Vol 51 (2) ◽  
pp. 244-263 ◽  
Author(s):  
FARZIN SHABANI ◽  
LALIT KUMAR ◽  
SUBHASHNI TAYLOR

SUMMARYOne consequence of climate change is change in the phenology and distribution of plants, including the date palm (Phoenix dactyliferaL.). Date palm, as a crop specifically adapted to arid conditions in desert oases and to very high temperatures, may be dramatically affected by climate changes. Some areas that are climatically suitable for date palm growth at the present time will become climatically unsuitable in the future, while other areas that are unsuitable under current climate will become suitable in the future. This study used CLIMEX to estimate potential date palm distribution under current and future climate scenarios using one emission scenario (A2) with two different global climate models (GCMs), CSIRO-Mk3.0 (CS) and MIROC-H (MR). The results of this study indicated that Saudi Arabia, Iraq and Iran are most affected countries as a result of climate change. In Saudi Arabia, 129 million ha (68%) of currently suitable area is projected to become unsuitable by 2100. However, this is based on climate modelling alone. The actual decrease in area may be much smaller when abiotic and other factors are taken into account. On the other hand, 13 million ha (33%) of currently unsuitable area is projected to become suitable by 2100 in Iran. Additionally, by 2050, Israel, Jordan and western Syria will become climatically more suitable. Cold and heat stresses will play a significant role in date palm distribution in the future. These results can inform strategic planning by government and agricultural organizations to identify areas for cultivation of this profitable crop in the future, and to address those areas that will need greater attention because they are becoming marginal regions for date palm cultivation.


2013 ◽  
Vol 152 (4) ◽  
pp. 543-557 ◽  
Author(s):  
F. SHABANI ◽  
L. KUMAR ◽  
S. TAYLOR

SUMMARYThe objective of the present paper is to use CLIMEX software to project how climate change might impact the future distribution of date palm (Phoenix dactylifera L.) in Iran. Although the outputs of this software are only based on the response of a species to climate, the CLIMEX results were refined in the present study using two non-climatic parameters: (a) the location of soils containing suitable physicochemical properties and (b) the spatial distribution of soil types having suitable soil taxonomy for dates, as unsuitable soil types impose problems in air permeability, hydraulic conductivity and root development. Here, two different Global climate models (GCMs), CSIRO-Mk3.0 (CS) and MIROC-H (MR), were employed with the A2 emission scenario to model the potential date palm distribution under current and future climates in Iran for the years 2030, 2050, 2070 and 2100. The results showed that only c. 0·30 of the area identified as suitable by CLIMEX will actually be suitable for date palm cultivation: the rest of the area comprises soil types that are not favourable for date palm cultivation. Moreover, the refined outputs indicate that the total area suitable for date palm cultivation will increase to 31·3 million ha by 2100, compared with 4·8 million ha for current date palm cultivation. The present results also indicate that only heat stress will have an impact on date palm distribution in Iran by 2100, with the areas currently impacted by cold stress diminishing by 2100.


Plant Ecology ◽  
2009 ◽  
Vol 208 (1) ◽  
pp. 1-20 ◽  
Author(s):  
Elisabet V. Wehncke ◽  
Xavier López-Medellín ◽  
Exequiel Ezcurra

2007 ◽  
Vol 39 (01) ◽  
pp. 16-40 ◽  
Author(s):  
Volker Baumstark ◽  
Günter Last

We consider the Voronoi tessellation based on a stationary Poisson process N in ℝ d . We provide a complete and explicit description of the Palm distribution describing N as seen from a randomly chosen (typical) point on a k-face of the tessellation. In particular, we compute the joint distribution of the d−k+1 neighbours of the k-face containing the typical point. Using this result as well as a fundamental general relationship between Palm probabilities, we then derive some properties of the typical k-face and its neighbours. Generalizing recent results of Muche (2005), we finally provide the joint distribution of the typical edge (typical 1-face) and its neighbours.


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