INCREMENT CHANGES OF CAUCASIAN ALDER (ALNUS SUBCORDATA) IN HYRCANIAN SECTION OF NATIONAL BOTANICAL GARDEN, IRAN DURING THREE DECADES

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PANAHI P.; POURHASHEMI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Journal of Forest and Wood Products Year:2011 | Volume:64 | Issue:1 Page(s): 1-13

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Title

INCREMENT CHANGES OF CAUCASIAN ALDER (ALNUS SUBCORDATA) IN HYRCANIAN SECTION OF NATIONAL BOTANICAL GARDEN, IRAN DURING THREE DECADES

Author(s)

PANAHI P. | POURHASHEMI M. | Issue Writer Certificate

Keywords

ALNUS SUBCORDATAQ3

GROWTHQ2

HYRCANIAN SECTIONQ2

NATIONAL BOTANICAL GARDEN OF IRANQ2

Abstract

Since the establishment of HYRCANIAN SECTION of National Botanical Garden in 1972, most of natural Hyrcanian trees have been transferred and planted in this section and they are 30-40 years old now. Due to lack of researches on GROWTH procedure and adaptation of planted species in garden, the increment changes of Caucasian alder (ALNUS SUBCORDATA) as an important Hyrcanian species was studied. Thirty felled trees were randomly selected and disks from their stumps were prepared. The disks were dried and prepared then annual rings widths were measured in the four geographical aspects using Vernier Caliper. The results showed that the age and diameter of sample disks were 22-30 years and 30-47 cm, respectively. Mean current annual increment was 11.9 mm. Maximum current annual increments and basal area increments were occurred in 5th and 11th years, respectively. Furthermore, drought periods had decreased diameter GROWTH. The GROWTH trends of these samples were matched with silvicultural GROWTH stages.

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APA: Copy

PANAHI, P., & POURHASHEMI, M.. (2011). INCREMENT CHANGES OF CAUCASIAN ALDER (ALNUS SUBCORDATA) IN HYRCANIAN SECTION OF NATIONAL BOTANICAL GARDEN, IRAN DURING THREE DECADES. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 64(1), 1-13. SID. https://sid.ir/paper/162914/en

Vancouver: Copy

PANAHI P., POURHASHEMI M.. INCREMENT CHANGES OF CAUCASIAN ALDER (ALNUS SUBCORDATA) IN HYRCANIAN SECTION OF NATIONAL BOTANICAL GARDEN, IRAN DURING THREE DECADES. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2011;64(1):1-13. Available from: https://sid.ir/paper/162914/en

IEEE: Copy

P. PANAHI, and M. POURHASHEMI, “INCREMENT CHANGES OF CAUCASIAN ALDER (ALNUS SUBCORDATA) IN HYRCANIAN SECTION OF NATIONAL BOTANICAL GARDEN, IRAN DURING THREE DECADES,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 64, no. 1, pp. 1–13, 2011, [Online]. Available: https://sid.ir/paper/162914/en

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