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Betula populifolia, known as the gray (or grey) birch, is a deciduous tree in the family Betulaceae. It is native to eastern North America and is most commonly found in the northeast United States as well as southern Quebec , New Brunswick , and Nova Scotia . [ 1 ]
The deputy secretary for Water Management plans, directs, and coordinates departmental programs associated with the management and protection of the commonwealth's water resources; coordinates policies, procedures, and regulations that influence public water supply withdrawals and quality, sewage facilities planning, point source municipal and ...
Wykoff Run in Quehanna Wild Area, the largest such protected area in Pennsylvania. The Commonwealth of Pennsylvania in the United States includes 18 wild areas in its State Forest system. [1] They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources.
Dec. 1—State officials on Friday declared a drought watch in Westmoreland County as a voluntary water conservation order remains in effect for some customers of the Municipal Authority of ...
PHNP's goal is to build, maintain, and provide accurate and accessible ecological information needed for conservation, development planning and natural resource management. PNHP works with the Western Pennsylvania Conservancy , [ 2 ] Pennsylvania Department of Conservation and Natural Resources [ 3 ] (DCNR), the Pennsylvania Fish and Boat ...
1970 – Environmental Quality Improvement Act; 1972 – Federal Water Pollution Control Amendments of 1972 (P.L. 92-500). Major rewrite. 1972 – Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) (amended by Food Quality Protection Act of 1996) 1972 – Marine Protection, Research, and Sanctuaries Act of 1972
The ICUN compiled the “Red List”, evaluating the global conservation status of species based on the threat level. [15] The list separates species into threat levels ranging from least concern to extinct, aiding in directing efforts to mitigate species decline [16] This assessment evaluated factors contributing to species extinction like population size, trends, distributions, and threats.
Betula alleghaniensis, forest emblem of Quebec, [6] Canada. Betula alleghaniensis is a medium-sized, typically single-stemmed, deciduous tree reaching 60–80 feet (18–24 m) tall (exceptionally to 100 ft (30 m)) [2] [7] with a trunk typically 2–3 ft (0.61–0.91 m) in diameter, making it the largest North American species of birch.