Environmental Impact Assessment Flashcards
7 cards from real GAP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Environmental Impact Assessment flashcards as text
Which type of erosion assessment method involves measuring the amount of soil lost from a field using established rainfall and soil parameters?
Answer: Revised Universal Soil Loss Equation (RUSLE)
RUSLE is a widely used erosion prediction model that estimates average annual soil loss based on rainfall, soil erodibility, slope, cover, and conservation practices.
Under GAP certification, which action demonstrates proper environmental stewardship when applying pesticides near waterways?
Answer: Maintaining a pesticide-free buffer zone adjacent to the water body
Maintaining buffer zones near water bodies prevents pesticide drift and runoff from contaminating aquatic ecosystems, which is a core GAP environmental requirement.
What is 'integrated nutrient management' in the context of environmental impact?
Answer: Using a combination of organic and synthetic fertilizers to meet crop needs while minimizing environmental losses
Integrated nutrient management balances crop nutrition needs with environmental protection by combining organic amendments and synthetic fertilizers at optimum rates.
Which on-farm practice most directly reduces the risk of groundwater contamination from agrichemicals?
Answer: Using precision application technology to target specific areas
Precision application technology reduces over-application by targeting only areas that need treatment, limiting excess chemical movement into groundwater.
What is the environmental significance of maintaining a diverse crop rotation system?
Answer: Reduces pest pressure, improves soil health, and decreases reliance on chemical inputs
Diverse crop rotation breaks pest and disease cycles, builds soil organic matter, and reduces the need for synthetic pesticides and fertilizers.
Which factor is evaluated when assessing the impact of farm operations on local biodiversity?
Answer: Presence and health of native plant and animal species on and around the farm
Biodiversity assessment examines whether farm practices support or harm native species populations, including pollinators, beneficial insects, and wildlife.
What is the role of a 'nutrient management plan' in reducing environmental impact?
Answer: It specifies application rates and timing to match crop needs and minimize nutrient losses to the environment
A nutrient management plan uses soil test data and crop nutrient requirements to prescribe fertilizer applications that minimize runoff, leaching, and greenhouse gas emissions.