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A TENTATIVE COMPOSITE CLIMATIC INDEX TO PREDICT AND QUANTIFY THE EFFECT OF CLIMATE ON NATURAL RUBBER YIELD POTENTIAL
Eric Gohet - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): A TENTATIVE COMPOSITE CLIMATIC INDEX TO PREDICT AND QUANTIFY THE EFFECT OF CLIMATE ON NATURAL RUBBER YIELD POTENTIAL
ผู้แต่ง / หัวหน้าโครงการ (EN): Eric Gohet
บทคัดย่อ (EN): Most of natural rubber (NR) comes from the cultivation of Hevea brasiliensis in tropical countries. However, mainly due to land use changes (urbanization, substitution…), new rubber plantation developments are often moving to climatically less favorable areas (usually called “marginal” areas or “non-traditional” areas). These new planting areas are often characterized by one or more climatic factors considered as less favorable to rubber tree cultivation. However, it is still a challenge to estimate exante and accurately the effect of such climatic stresses on the rubber yield potential. For this purpose, we propose a tentative multilinear regression model, using climatic parameters commonly available from local weather stations (total annual rainfall (mm), average annual temperature (T0C), number of dry months per year, number of cold months per year, annual thermal amplitude), in order to calculate a composite climatic marginality index for rubber tree cultivation (CCMIndex). Such CCMIndex could be used exante to provide an early evaluation of the expectable loss in rubber yield potential due to climatic marginality in any new rubber planting area. It should also allow to discriminate among climatic types (climatic typology with 4 main types: warm/humid, warm/dry, cold/humid and cold/dry) and to quantify their respective climatic stress intensity. The CCM index could be used to adapt latex harvesting systems recommendations per climatic typeafter the type and the intensity of the climatic marginality have been described and quantified. Another index, based on dry months distribution along the year, can provide complementary information to describe the risk of occurrence of secondary leaf fall due to leaf disease (SLF Risk Index). Combining the CCM index and the SLF Risk Index could likely provide and accurate and simple estimate of the overall effect of climate on NR yield potential in any NR production area. Moreover, in a general context of climatic change, these two indexes might be used simultaneously to simulate the possible effect of future variations in temperature and rainfall intensity or pattern resulting from climatic changes on the future rubber yield potential of any current or future NR production area, at local, regional, national or global scales. This communication presents the current status of the model, which may be regularly upgraded depending on data accumulation improving the model parameterization. Keywords: Rubber, climate, yield, climatic marginality, modeling
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): modeling
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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Eric Gohet. "A TENTATIVE COMPOSITE CLIMATIC INDEX TO PREDICT AND QUANTIFY THE EFFECT OF CLIMATE ON NATURAL RUBBER YIELD POTENTIAL". ไม่ระบุหน่วยงาน. ม.ป.ป.

Eric Gohet. "A TENTATIVE COMPOSITE CLIMATIC INDEX TO PREDICT AND QUANTIFY THE EFFECT OF CLIMATE ON NATURAL RUBBER YIELD POTENTIAL". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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A TENTATIVE COMPOSITE CLIMATIC INDEX TO PREDICT AND QUANTIFY THE EFFECT OF CLIMATE ON NATURAL RUBBER YIELD POTENTIAL
Eric Gohet
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
The Effect of Accelerator Combination of the Curing System on the Physical Properties of the Natural Rubber and Ethylene Propylene Diene Monomer Rubber Blends The Effect of Epoxidised Natural Rubber Content on the Physical Properties of the NR/ENR Blends Under-Flora in Rubber Plantations: Its Effect on Soil Properties Applying Composite Climatic Marginality (CCM) Index to Evaluate the Influences of Regional Climate on Yield Potential of Hevea brasiliensis in Viet Nam Effect of Temperature Constraints on Photosynthesis of Rubber (Hevea brasiliensis) ORGANIZING PROFICIENCY TESTING FOR NATURAL RUBBER LABORATORIES – EXPERIENCE OF RRIV Nutrient Management in Rubber Seedling Nursery: Effect of Inorganic and Biofertiltzers Natural Rubber Based Proton Conductive Membrane for Fuel Cell Applications : A Review Evaluation of Rubber (Hevea brasiliensis) Modern Clones under Certain Stressful Climatic Conditions of Odisha Effect of Carbon Black and BaSo4 on the Thermo-Chemical Resistance of Natural Rubber Composite
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