Q.1
ICAR AIEEA PG Forestry / Agroforestry 09 July 2023 (Shift 1) Paper (Q.96)
MCQ (Single Correct) +4 −1
The following term refers to a patch usually $20\text{ m} \times 20\text{ m}$ in size burnt and artificially regenerated in a felled coupe to supplement natural regeneration.

निम्नलिखित में से कौन-सा शब्द पातन कूप (felled coupe) में प्राकृतिक पुनर्जनन के पूरक के रूप में जलाए गए और कृत्रिम रूप से पुनर्जीवित किए गए आमतौर पर $20\text{ m} \times 20\text{ m}$ आकार के पैच को संदर्भित करता है?

Detailed Analysis of Silvicultural Regeneration Terms:

  • Rab (Option 1): In Indian silviculture (traditionally in dry deciduous forests of Maharashtra and Gujarat), 'Rab' refers to a patch (commonly $20\text{ m} \times 20\text{ m}$) where slash and dry brushwood are heaped and burnt intensely to sterilize the soil, kill weed seeds, and release nutrient-rich ash, followed by sowing or planting valuable timber species to supplement natural regeneration. Hence, Option 1 is correct.
  • Block (Option 2): A large territorial management unit of a forest comprising several compartments.
  • Compartment (Option 3): The permanent basic territorial unit of forest management and silvicultural treatment.
  • Coupe (Option 4): A felling area prescribed to be harvested in a single year or period.

वनवर्धन पुनर्जनन शब्दावली का विस्तृत विश्लेषण:

  • राब (Rab) (विकल्प 1): भारतीय वानिकी (विशेषकर महाराष्ट्र व गुजरात के पर्णपाती वनों) में 'राब विधि' के अंतर्गत काटे गए कूप के भीतर लगभग $20\text{ m} \times 20\text{ m}$ के छोटे-छोटे पैचों पर अपशिष्ट लकड़ी व झाड़ियों को जलाया जाता है, जिससे मृदा कीटाणुरहित होकर राख से समृद्ध हो जाती है, फिर वहाँ मूल्यवान वृक्षों का कृत्रिम रोपण किया जाता है। अतः विकल्प 1 सही उत्तर है।
  • ब्लॉक (विकल्प 2): वन प्रबंधन की एक बड़ी क्षेत्रीय इकाई जिसमें कई कम्पार्टमेंट होते हैं।
  • कम्पार्टमेंट (विकल्प 3): वन प्रबंधन और वनवर्धन उपचार की बुनियादी स्थायी क्षेत्रीय इकाई।
  • कूप (विकल्प 4): एक वर्ष में काटे जाने हेतु निर्धारित वन क्षेत्र।
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Forestry / Agroforestry & Silviculture विषय एवं अध्याय

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34 टॉपिक्स
Principles of Silviculture, Forest Ecology, Champion and Seth Forest Types of India and Phytosociology Forest Policy, Forest Legislation (Indian Forest Act 1927, Forest Conservation Act 1980, FRA 2006) and International Conventions Non-Timber Forest Products (NTFPs): Gums, Resins, Oleoresins, Tannins, Dyes, Fibers and Flosses Wildlife Conservation, Protected Area Network (National Parks, Sanctuaries, Biosphere Reserves) and CITES Agroforestry Principles, Concepts, Classification (Agrisilviculture, Silvopasture, Agrosilvopasture) and Diagnostics (D and D) Agroforestry Systems: Alley Cropping, Windbreaks, Shelterbelts, Homegardens, Taungya and Shifting Cultivation Forest Genetics, Breeding Systems, Heritability, Genetic Gain and Heterosis in Forest Trees Forest Mensuration: Measurement of Tree Diameter, Girth, Height, Basal Area and Form Factors Medicinal and Aromatic Plants (MAPs) from Forests: Identification, Harvesting, Processing and Active Principles Silviculture of Important Indian Trees: Teak, Sal, Shisham, Chir Pine, Deodar, Babul and Bamboo Forest Growth and Yield Modeling: CAI, MAI, Site Quality Index, Yield Tables and Stand Structure Seed Technology of Forest Trees: Seed Collection, Extraction, Testing, Certification and Seed Orchards (SSO, CSO) Multipurpose Trees and Shrubs (MPTs) in Agroforestry, Nitrogen Fixing Trees and Biomass Production Silvicultural Systems: High Forest Systems (Clear Felling, Shelterwood, Selection) and Coppice Systems Forest Tree Improvement, Provenance Testing, Plus Tree Selection and Progeny Testing Physical and Mechanical Properties of Wood: Specific Gravity, Moisture Content, Shrinkage and Strength Classes Vegetative Propagation and Clonal Forestry: Macropropagation (Cuttings, Grafting) and Tissue Culture Forest Protection: Forest Fires (Types, Control, Firebreaks), Grazing Management and Encroachment Artificial Regeneration, Forest Nursery Practices, Containerized Seedlings and Plantation Techniques सक्रिय Environmental Forestry, Urban Forestry, Carbon Sequestration, REDD+, Climate Change Mitigation and Eco-Restoration Forest Harvesting, Logging Engineering, Felling Tools, Extraction, Skidding and Transport Forest Resource Assessment, National Forest Inventory, India State of Forest Report (ISFR) and Forest Statistics Silvicultural Practices: Thinning, Pruning, Weeding, Cleaning, Girdling and Canopy Management Tree-Crop Interactions: Microclimate Modification, Nutrient Cycling, Complementarity and Allelopathy Wood Anatomy and Structure: Gross Features, Microscopic Elements, Growth Rings, Sapwood and Heartwood Bamboo and Rattan (Cane) Management, Utilization, Propagation and Value Addition Wood Seasoning and Preservation: Air and Kiln Drying, Preservatives (CCA, Creosote) and Treatment Methods Forest Management Principles, Sustained Yield, Normal Forest Concept, Rotation and Increment Forest Working Plans: Preparation, Compartment History, Stock Mapping and Management Prescriptions Composite Wood and Wood-Based Panels: Plywood, Particle Board, Fiberboard and Laminated Veneer Lumber (LVL) Forest Surveying and Leveling: Chain, Compass, Plane Table, Theodolite and GPS Forest Yield Regulation: Area, Volume, Combined Methods (Von Mantels Formula, Austrian Formula) Natural Regeneration of Forest Trees, Seed Dispersal, Germination Biology and Coppice Systems Volume Estimation: Tree Volume Tables, Log Rules, Stacked Volume, Bark Thickness and Wood Biomass
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