CES Ecosystem Management & Sustainability Practices 5

Question 1

Under the US EPA's Superfund (CERCLA) program, which legal doctrine allows recovery of cleanup costs from parties who did not directly cause contamination?

Accepted Answer

Strict liability with joint and several liability

Answer

CERCLA imposes strict liability that is joint and several, meaning any potentially responsible party can be held liable for the entire cleanup cost regardless of their degree of contribution.

Question 2

The 'debt-for-nature swap' is a conservation finance mechanism in which:

Accepted Answer

A portion of a developing country's debt is forgiven in exchange for conservation commitments

Answer

Debt-for-nature swaps reduce a developing nation's external debt in exchange for commitments to protect or restore natural areas.

Question 3

In wetland delineation under the US Army Corps of Engineers methodology, all three criteria required to confirm a jurisdictional wetland are:

Accepted Answer

Hydric soils, hydrophytic vegetation, and wetland hydrology

Answer

The Corps Wetland Delineation Manual requires positive indicators of all three parameters: hydric soils, hydrophytic vegetation, and wetland hydrology.

Question 4

Which management approach uses no-take marine protected areas (MPAs) primarily to achieve:

Accepted Answer

Protection of spawning aggregations and spillover of adults into adjacent fisheries

Answer

No-take MPAs protect reproductive populations and allow spillover of adults and larvae into surrounding fished areas, increasing overall fishery productivity.

Question 5

The environmental Kuznets curve (EKC) hypothesis predicts that pollution levels in a country will:

Accepted Answer

Rise with early economic growth, then decline as income rises further

Answer

The EKC hypothesis suggests an inverted-U relationship: pollution increases during industrialization but decreases as societies become wealthier and prioritize environmental quality.

(CES) Certified Environmental Scientist Practice Test

(CES) Certified Environmental Scientist Practice Test

CES Ecosystem Management & Sustainability Practices 5