GROWTH RESPONSE OF EIGHT HARDWOOD SPECIES TO CURRENT AND PAST CLIMATIC VARIATIONS USING REGRESSION MODELS

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JALILVAND H.; JALALI S.GH.; TABARI M.; HOSSEINI SEYED MOHSEN; AKBARNIA M.

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Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY Year:2001 | Volume:3 | Issue:3 Page(s): 209-225

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Title

GROWTH RESPONSE OF EIGHT HARDWOOD SPECIES TO CURRENT AND PAST CLIMATIC VARIATIONS USING REGRESSION MODELS

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Keywords

BASAL AREA GROWTH

CLIMATIC VARIATIONS

REGRESSION MODELS

Abstract

The impact of climatic variations on basal area growth of basswood (BA) (Tilia americana L.), American beech (BE) (Fagus grandifolia Enrh.), bitternut hickory (BH) (Caria cordiformis (Wang.) K. Koch), largetooth aspen (LA) (Populus grandidentata Michx.), red maple (RM) (Acer rubrum L.), red oak (RO) (Quercus rubra L.), sugar maple (SM) (Acer saccharum Marsh.), and white ash (WA) (Fraxinus americana L.) was studied in a southern province of Quebec, Canada (45o 25 ’ N, 73 o 57 ’ W). In total, forty-eight climatic variations of precipitation (P) (13 variables), temperature (T) (13 variables), heat index (H), (11 variables), and evapotranspiration (11 variables) from the current (C) and past three years (P1, P2, & P3) were tested in regression models to find the best model of the relationship between those independent variables and the last ten years (1985-1994) of basal area growth of the species. Simple individual linear and second degree, mixed, and combination of multiple regression models were used to develop the best regression model for each tree species, separately. The best models explained 79% , 80% , 99% , 91% , 71%, 99% , 49% , and 98% of the total variance of the growth in BA, BE, BH, LA, RM, RO, SM and WA, respectively. The growth in BH, LA, RM, RO, SM, and WA were more associated with the previous year’s climatic variations rather than the current year's. Bitternut hickory, LA, RM, SM, and WA growth were more related to the first year rather than the second or third preceding year variables. The June heat index of the third previous year of variables explained only 7% of the growth of white ash. It was concluded that the impact of climatic variables on tree growth may vary and may depend on the species and other unknown variables. Also, the results suggested that the first and second previous climatic variables have an important role on the growth of some species. American beech, BH, RO, and WA seem to be a good species to use for the study in dendrochronological and dendroclimatological studies.

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APA: Copy

JALILVAND, H., JALALI, S.GH., TABARI, M., HOSSEINI, SEYED MOHSEN, & AKBARNIA, M.. (2001). GROWTH RESPONSE OF EIGHT HARDWOOD SPECIES TO CURRENT AND PAST CLIMATIC VARIATIONS USING REGRESSION MODELS. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 3(3), 209-225. SID. https://sid.ir/paper/539944/en

Vancouver: Copy

JALILVAND H., JALALI S.GH., TABARI M., HOSSEINI SEYED MOHSEN, AKBARNIA M.. GROWTH RESPONSE OF EIGHT HARDWOOD SPECIES TO CURRENT AND PAST CLIMATIC VARIATIONS USING REGRESSION MODELS. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2001;3(3):209-225. Available from: https://sid.ir/paper/539944/en

IEEE: Copy

H. JALILVAND, S.GH. JALALI, M. TABARI, SEYED MOHSEN HOSSEINI, and M. AKBARNIA, “GROWTH RESPONSE OF EIGHT HARDWOOD SPECIES TO CURRENT AND PAST CLIMATIC VARIATIONS USING REGRESSION MODELS,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 3, no. 3, pp. 209–225, 2001, [Online]. Available: https://sid.ir/paper/539944/en

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