(Ac.) 342 CRITERIA Establishing permanent vegetation on that General Criteria Applicable To All Purposes have, or are expected to have, high erosion Site Preparation. A site investigation shall be rates, and on sites that have physical, conducted to identify any physical, chemical, chemical or biological conditions that prevent or biological conditions that could affect the the establishment of vegetation with normal successful establishment of vegetation. practices. Areas to be planted will be cleared of unwanted materials and smoothed or shaped, if needed, to meet planting and landscaping Stabilize stream and channel banks, and purposes. shorelines. A suitable seedbed shall be prepared for all Stabilize areas with existing or expected high seeded species. Compacted layers will be rates of soil erosion by wind or water. ripped and the soil re-firmed prior to seedbed preparation. Rehabilitate and revegetate degraded sites that cannot be stabilized using normal Species Selection. Species selected for establishment techniques. seeding or planting shall be suited to current site conditions and intended uses, and be Stabilize coastal such as sand dunes and resistant to diseases or insects common to the riparian areas. site or location. Selected species will have the capacity to achieve adequate density and vigor to stabilize This practice applies to highly disturbed areas the site within an appropriate period. such as: No plants on the Federal or noxious active or abandoned lands; weeds list shall be planted. urban conservation sites; For species see Caribbean Area Critical Area road construction areas; Planting Specifications Guides. conservation practice construction sites; Establishment of Vegetation. Seeds will be planted using the method or methods best areas needing stabilization before or after suited to site and soil conditions. natural disasters such as floods, hurricanes, tornados and wildfires; Sod placement shall be limited to areas that can naturally supply needed moisture or sites eroded banks of natural channels, banks that can be irrigated during the establishment of newly constructed channels, and lake period. shorelines; Sod will be placed and anchored using areas degraded by human activities or techniques to ensure that it remains in place natural events. until established.
(Ac.) 342 Establishing permanent vegetation on that have, or are expected to have, high erosion rates, and on sites that have physical, chemical or biological conditions that prevent the establishment of vegetation with normal practices. Stabilize stream and channel banks, and shorelines. Stabilize areas with existing or expected high rates of soil erosion by wind or water. Rehabilitate and revegetate degraded sites that cannot be stabilized using normal establishment techniques. Stabilize coastal such as sand dunes and riparian areas. This practice applies to highly disturbed areas such as: active or abandoned lands; urban conservation sites; road construction areas; conservation practice construction sites; areas needing stabilization before or after natural disasters such as floods, hurricanes, tornados and wildfires; eroded banks of natural channels, banks of newly constructed channels, and lake shorelines; areas degraded by human activities or natural events. CRITERIA General Criteria Applicable To All Purposes Site Preparation. A site investigation shall be conducted to identify any physical, chemical, or biological conditions that could affect the successful establishment of vegetation. Areas to be planted will be cleared of unwanted materials and smoothed or shaped, if needed, to meet planting and landscaping purposes. A suitable seedbed shall be prepared for all seeded species. Compacted layers will be ripped and the soil re-firmed prior to seedbed preparation. Species Selection. Species selected for seeding or planting shall be suited to current site conditions and intended uses, and be resistant to diseases or insects common to the site or location. Selected species will have the capacity to achieve adequate density and vigor to stabilize the site within an appropriate period. No plants on the Federal or noxious weeds list shall be planted. For species see Caribbean Area Critical Area Planting Specifications Guides. Establishment of Vegetation. Seeds will be planted using the method or methods best suited to site and soil conditions. Sod placement shall be limited to areas that can naturally supply needed moisture or sites that can be irrigated during the establishment period. Sod will be placed and anchored using techniques to ensure that it remains in place until established.