This consultant will help in making plans and determination making in regards to the choices on hand whilst affects to wetland parts are being thought of. the aim of this handbook is to supply assistance on wetlands mitigation to transportation designers in addition to to group of workers in development, operations, upkeep, panorama layout, and comparable environmental fields. it's not meant to be a hugely technical handbook for wetland experts.
Content:
entrance subject
• desk of Contents
1. creation
2. Mitigation
three. Mitigation web site improvement technique
four. Post-Construction administration
• thesaurus of phrases
• Key legislation, laws, and coverage
• chosen Bibliography

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Additional info for Guide to Wetland Mitigation Issues for Transportation Designers

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How specific should the objectives be? This really depends on the type of project. The larger or more difficult the mitigation project, or the more valuable the impacted area, the more specific the objectives may need to be. A controversial project will attract more resource agency attention. This will demand closer attention to replication of functions and values and more specific objectives and performance criteria. On the other hand, for more routine replacements, especially where the site promises good success, a more general objective and simple performance criteria may be sufficient, for instance: Create palustrine marsh for water quality improvement, sediment retention, and toxicant absorption, with standing water at least six months a year on average and 90% cover of native species after five years.

Only proven landscaping techniques, such as using a mechanical shovel or backhoe to remove a large root-mass, should be used. Nursery stock may be more cost-effective than moving trees or large shrubs. Plant materials may also be collected outside the impact area, but this should be done carefully to avoid damage to the donor plant community. Collection has been widely practiced, but is being subjected to greater regulation and oversight by the resource agencies. Innovative ideas may meet resistance or be difficult to accomplish as originally intended, but the preliminary plan is where they need to be proposed.

Each maintenance section should have ready access to a data base that provides location, type of site, routine rnaintenance actions, restrictions, and where to call for information (the local fish and wildlife biologist or agency wetland specialist). 70 GUIDE TO WETLAND MITIGATION ISSUES FOR TRANSPORTATION DESIGNERS Highway agencies may take the view that they are not in the best position to manage land for wildlife habitat, water quality, and other values. In this case, they will want to explore other alternatives for long-term management of mitigation sites.

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