ERM 450 Final Exam Questions & Answers 2024/2025
Section 404 of Federal Water Pollution Control Act - ANSWERSEstablishment of permit system to regulate "discharge of dredged and fill materials" into "waters of the U.S."
Executive Order 11988: Floodplain Management
Executive Order 11990: Pr...
Section 404 of Federal Water Pollution Control Act - ANSWERSEstablishment of permit system to
regulate "discharge of dredged and fill materials" into "waters of the U.S."
Executive Order 11988: Floodplain Management
Executive Order 11990: Protection of Wetlands - ANSWERSAll federal agencies must consider wetland
protection as policy
Avoid activity in floodplains - avoid supporting floodplain development
First time wetland and floodplain policies were reviewed by federal agencies
National Food Security Act (Farm Bill) 1985 - ANSWERSSoil Conservation Service develops wetland
delineation manual for agricultural areas
Farm Bill includes "swampbuster" provisions
1. Positive ID of wetland hydrology (1 primary or 2 or more secondary indicators)
2. Positive ID of hydric soil indicators
3. Dominance by hydrophytes on the site
(in most cases you need all 3) - ANSWERSWhat is needed to call a site a wetland?
Duration of wetness: 14 days of continuous saturation
Frequency of wetness: every other year
, Depth of saturation: within 12" of soil surface
Timing of wetness: during the growing season - ANSWERSHydrologic criteria based on ACOE Manual
Surface water
High water table
Saturation
Water marks
Sediment deposits
Drift deposits
Iron deposits - ANSWERSName a few primary hydrology indicators
Soil surface cracks
Drainage patterns
Moss trim lines
Dry season water table
Crayfish burrows
FAC-neutral test - ANSWERSName a few secondary hydrology indicators
Matrix value: 5+
Chroma=1
Matrix: 6+
Chroma=2 or 1
Matrix: 4 or 5
Chroma= 2
Matrix value: 4
Chroma=1 - ANSWERSTypical colors of hydric soils with depleted matrix
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
