Diameter-Age Growth Curve Modelling for Different Tree Species in Drylands of North Karnataka

Dr. S. B. Devaranavadgi

Diameter-Age Growth Curve Modelling for Different Tree Species in Drylands of North Karnataka

Dr. S. B. Devaranavadgi * §

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College of Agriculture, Bijapur.

Diameter-Age Growth Curve Modelling for Different Tree Species in Drylands of North Karnataka

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Abstract

Among 24 tree species tested for diameter and age relationship under Agroforestry systems of northern dry zone of Karnataka, Gompertz model fitted well for 20 species, Exponential model for 2 species, Weibull model found well suited for one species and Richards model for one species, respectively. Among the different models tried in predicting diameter growth for 24 different species Gompertz model was found better for Acacia auriculiformis (R 2 = 0.9956), Acacia catechu (R 2 = 0.9972), Acacia nilotica (R 2 = 0.9938), Bahunia purpurea (R 2 = 0.9950), Butea monosperma (R 2 = 0.9968), Casuarina equsitifolia (R 2 = 0.9979), Cassia siamea (R 2 = 0.9986), Dalbergia sissoo (R 2 = 0.9944), Delonix regia (R 2 = 0.9953), Emblica officinalis (R 2 = 0.9944), Eucalyptus citriodara (R 2 = 0.9983), Eucalyptus hybrid (R 2 = 0.9988), Hardwickia binata (R 2 = 0.9969), Anogeissus latifolia (R 2 = 0.9962).

References

6 Cites in Article

Reference Format

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L Zhang (1997). Cross-validation of Non-linear Growth Functions for Modelling Tree Height–Diameter Relationships.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

Dr. S. B. Devaranavadgi. . "Diameter-Age Growth Curve Modelling for Different Tree Species in Drylands of North Karnataka". Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 13 (GJSFR Volume 13 Issue D1).

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GJSFR Volume 13 Issue D1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

age Growth height model species

Classification

GJSFR-D Classification FOR Code: 070101

070501

Submission ReceivedDecember 22, 2012
Peer Review Double Blind
Handling Editor
Accepted January 15, 2013
Published January 26, 2013

Version of record

v1.2

Language

English

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Article Matrices

Total Score: 156

Country: India

Subject: Global Journal of Science Frontier Research

Authors: Dr. S. B. Devaranavadgi, Sharan bassappa, Jolli, R.B, S.Y. Wali, Bagali, A.N (PhD/Dr. count: 1)

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Publish Date: 2013 01, Sat

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Total Views: 7.1K

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