Ecosystem services Knowledge-Based Download PDF

Questions

1. 1.

   Which of the following examples represents the substitution of a natural regulating ecosystem service with built technological infrastructure?

   • A) Installing hydroponic greenhouse facilities to maximize agricultural food production
   • B) Introducing non-native biological control insects to eradicate invasive agricultural weed species
   • C) Establishing community marine reserves to enhance recreational scuba diving and ecotourism
   • D) Constructing artificial water treatment plants and concrete levees to perform filtration and flood buffering previously provided by riparian wetlands
2. 2.

   When an ecosystem is intensively modified to maximize the output of a single provisioning service, such as agricultural crop production, which outcome is most commonly observed across the landscape?

   • A) All other categories of ecosystem services increase proportionally due to optimized resource management.
   • B) Regulating and supporting services often decline, reducing the overall ecological resilience of the system.
   • C) Supporting services remain completely unaffected because they operate independently of surface land use.
   • D) Cultural services automatically compensate for any loss in regulating functions by stabilizing local ecology.
3. 3.

   Why are regulating and supporting ecosystem services frequently undervalued in conventional economic markets compared to provisioning services?

   • A) They provide benefits that exclusively affect non-human species rather than human well-being.
   • B) Their ecological mechanisms operate independently of biodiversity and landscape integrity.
   • C) They generate tangible commodities whose extraction costs exceed their eventual consumer value.
   • D) They function primarily as public goods that lack formal market prices and well-defined property rights.
4. 4.

   Supporting services, such as soil formation and primary production, are ecologically distinct from other ecosystem services primarily because they:

   • A) provide harvestable physical goods that are directly utilized and traded by human economies.
   • B) directly moderate environmental fluctuations and buffer communities against extreme climate events.
   • C) maintain the foundational ecological processes necessary for all other ecosystem services to function.
   • D) offer non-material spiritual, educational, and aesthetic benefits to human populations.
5. 5.

   Which of the following is correctly classified as a regulating ecosystem service rather than a provisioning or cultural service?

   • A) Timber harvested from temperate forests for industrial construction
   • B) Outdoor recreation and spiritual enrichment gained from natural landscapes
   • C) Freshwater directly extracted from aquifers for household drinking supply
   • D) Natural filtration and detoxification of runoff water by wetland soils