_______ represents the oldest known technique employed by humans to alter range vegetation for livestock grazing:
Show answer Hide answer
Answer: A. Range burning
Explanation
Range burning has historically been used to manage vegetation and clear woody brush. Controlled fires stimulate fresh, nutrient-rich forage growth for grazing livestock populations. Indigenous peoples and ranchers employed fire as an early tool to shape grassland habitats. Rangeland management involves balancing forage production with sustainable livestock grazing practices. Fire suppression policies over decades altered natural fire regimes in many grassland ecosystems. Prescribed burning reduces accumulated dead plant material and recycles vital soil nutrients.
Modern ranchers use controlled burns to control invasive weed species and woody plant encroachment. Ecological restoration projects reintroduce fire to revive fire-dependent grassland and forest biomes. Careful planning prevents prescribed range fires from endangering nearby human settlements. Water spreading is an irrigation technique rather than a method of altering vegetation via fire. Sand dune fixation utilizes vegetation planting and mechanical barriers to stabilize shifting sands. None of these is incorrect because range burning is the correct historical management practice.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
Related questions
Q1. A barren, rocky terrain evolving into a lush forest follows a developmental sequence known as:
Show answer Hide answer
Answer: A. Lichen, mos, herbs, shrubs
Primary ecological succession begins on bare rock with pioneer species like lichens and mosses. As organic matter accumulates from decomposing pioneers, small herbs and hardy shrubs successfully colonize. This predictabl...
Q2. A decorative flower garden constitutes:
Show answer Hide answer
Answer: C. Both (a) & (b)
Decorative gardens fulfill both aesthetic desires and practical cultivation goals around residential dwellings. Cultivating ornamental flowers and plants enhances visual architectural beauty while offering rewarding ther...
Q3. A geological formation holding and transmitting groundwater in volumes adequate for commercial extraction is termed ________.
Show answer Hide answer
Answer: A. Aquifer
An aquifer is a permeable geological formation capable of storing and transmitting groundwater. These underground water reservoirs yield adequate volumes for sustainable commercial extraction and use. Porous rock and sed...
Q4. A population consisting of interbreeding species members that vary genetically is designated as:
Show answer Hide answer
Answer: C. Ecotype
An ecotype represents a genetically distinct geographic variety within a species adapted to local conditions. Populations of interbreeding members develop these local genetic adaptations while maintaining species compati...
Q5. A limited population of blue bulls resides along the:
Show answer Hide answer
Answer: C. Both (a) & (b)
Nilgai (blue bulls) inhabit specific border regions and arid tracts within parts of the region. Wild populations of these large antelopes roam across protected border zones and scrubland wilderness habitats. Because both...
Q6. A dedicated research facility has been set up at Gatwala within ________ by the Punjab government to investigate regional ecological challenges:
Show answer Hide answer
Answer: B. Faisalabad
The Punjab government established a dedicated forestry research facility at Gatwala within Faisalabad. This facility investigates regional ecological challenges affecting local woodlands and agricultural lands. Scientist...