Weir River area of critical environmental concern

<U+2026>.the Weir River Area of Critical Environmental Concern (ACEC) is one of the largest and most productive salt marsh ecosystems in the Boston Harbor area; goals of the ACEC designation are to restore, enhance, and manage the resources; this inventory reveals “<U+2026> the abundance and unique combination of resources in the region and identifies existing pollution problems and threats.”; “With approximately 950 acres, the ACEC represents a diverse wetlands habitat that includes salt marsh, shallow marsh meadow, shrub marsh, and wooded swamp. These wetlands are home to over 100 resident and migratory birds, <U+2026> several potential vernal pools, which provide refuge for rare plants, reptiles, and amphibians.”; many varieties of fish are also present; “The document presents both anecdotal and scientific data relating to history of the region, geology and soils, watershed characteristics, habitats of the Weir River ACEC, biological resources, hydrography, water quality, land use <U+2026>”; sections include: Regional History, Flood History, Biological Resources, Wildlife, Finfish, Shellfish, Aquatic Vegetation, Microscopic Algae, Hydrology, Water Quality (Massachusetts Water Quality Standards, Bacteria, Salinity, Nutrients, Temperature, pH, Dissolved Oxygen, Heavy Metals and Toxins, Water Quality Concerns and Pollution Sources), Land Use, Open Space and Recreation, Recreation and Commercial Boating, Future Research; color maps, and related statistics and technical information<U+2026>.