The Byrd Rule generally treats as extraneous any provision of a reconciliation measure that doesnât change the level of spending or revenues, or where the change in spending or revenues is âmerely incidentalâ to the provisionâs non-budgetary effects.
Difference Between A Marsh, A Swamp, A Bog, And A Fen. In A Nutshell. The worldâs wetlands are ecosystems in themselves, and are defined by the flora and fauna they support. Marshes are nutrient-rich wetlands that support a variety of reeds and grasses, while swamps are defined by their ability to support woody plants and trees. Bogs are characterized by their poor soil and high peat content, while fens have less peat and more plant life than a bog.
Figure 5 Swamp (source FORESTED WETLANDS: Functions, Benefits and the Use of Best Management Practices). The dominant vegetation, therefore, distinguishes the two major types of mineral soil wetlands: grasses dominate marshes, while trees dominate swamps.