. Alewife Reservation & Alewife Brook master plan. Wetlands; Wetland conservation. The parklike character of the west and east bank Greenway contrasts with the habitat on the banks of the Alewife Brook. In the Green- way section, the Alewife Brook is fenced off and flows through a long stretch of concrete- lined channel. Within the fences that line the brook, the banks support extensive woody veg- etation in some areas and in other areas very extensive and well-established stands of anoth- er invasive species, Japanese knotweed. Along the tree-lined sections of bank, maple, oak, alder, bir
. Alewife Reservation & Alewife Brook master plan. Wetlands; Wetland conservation. The parklike character of the west and east bank Greenway contrasts with the habitat on the banks of the Alewife Brook. In the Green- way section, the Alewife Brook is fenced off and flows through a long stretch of concrete- lined channel. Within the fences that line the brook, the banks support extensive woody veg- etation in some areas and in other areas very extensive and well-established stands of anoth- er invasive species, Japanese knotweed. Along the tree-lined sections of bank, maple, oak, alder, birch, willow, locust, sycamore, and pin cherry provide a relatively diverse flora. How- ever, less desirable species such as sumac and tree-of-heaven are also common. Horned owls, kingfishers, and great blue herons are some of the birds that are seen, and both red foxes and muskrats are known to use the FIGURE 18. Black-crowned night herons have been reported to roost in the area where the Little River leaves Little Pond. In summary, significant ecological resources were identified in the Alewife Reservation and Alewife Brook corridor, and for most of these resources, their value extended well beyond the boundaries of the study area. The area provides flood storage capacity to the whole subwatershed and to a "sewershed" that goes beyond the borders of the subwatershed. The wildlife habitat serves to support animals that otherwise would struggle to survive in the sur- rounding four municipalities. Although not formally recognized, rare, endangered, and/or protected bird species use the area, as well as migrating Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bioengineering Group; Massachusetts. Metropolitan District Commission; Carol R. Johnson & Associates. [Salem, Mass. ] : T
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