Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Accueil du site → Doctorat → Inde → 2006 → Phytosociological studies of a tropical dry deciduous forest from Orissa India

Sambalpur University (2006)

Phytosociological studies of a tropical dry deciduous forest from Orissa India

Upadhyaya, Pratima

Titre : Phytosociological studies of a tropical dry deciduous forest from Orissa India

Auteur : Upadhyaya, Pratima

Université de soutenance : Sambalpur University

Grade : Doctor of Philosophy (PhD) in Botany 2006

Résumé partiel
The aim of the present study was to investigate the phytosociological characteristics of tropical dry deciduous forest of Birmitrapur in the district of Sundargarh in the State of Orissa of India. Different parameters selected for the study are stratification, phenology, and quantitative analysis of tree and herb species, population structure and annual diameter increment of some dominant tree species of the area.

Study Area
Birmitrapur is in the district of Sundargarh belongs to the state of Orissa which is a distinct phytogeographical region of India. It lies between 21° 35’ to 22° 32’ North latitude and 83° 22’ to 85° 22’ East longitude. The study area is covered by type of soil, which are typified by the interaction of sub-tropical climate with vegetation, and these formed broad soil groups termed as ’Red* and ’Laterite soils’.

General Climate
The general climate of the area is seasonal tropical in nature with prevalence of 3 distinct seasons i.e. summer, rainy and winter. The summer season starts from mid-March to last week of May, during which the area experiences a very dry and hot climate. During the summer period, the air temperature may go up to 45°C with relative humidity value of around 40%. Rainy season starts with the arrival of southwest monsoon during the 1st week of June and continues up to October. During the period, the area receives an average rainfall of 250 mm with June to October as the intense rain months. During this season the air temperature recorded to an average of 34°C and relative humidity from 50 to 95%. Winter starts from November to the end of February with mid-DecemberV and mid-January as the coldest period with an average temperature of 4 to 5°C during night. Occasionally the area experiences winter rain (12-15 mm) during December to January.

Présentation et version intégrale (Shodhganga)

Page publiée le 13 avril 2021