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The Massachusetts Area of Critical Environmental Concern (ACEC) Program is a list of state-designated places within the Commonwealth that receive special attention due to their natural and cultural resources. The program was established in 1975 and includes a list of thirty ACECs covering over 268,000 acres in seventy six communities throughout ...
Nitrate vulnerable zones are designated when the concentration of nitrate in a given area reaches or surpasses 50 NO 3 − mg/L. Regulations include: Reducing the amount of fertilizer applied; Prohibiting application of fertilizer during the winter when runoff is greatest and uptake by plants at a minimum;
Osterville is one of seven villages within the town of Barnstable, Massachusetts, United States. The village of Osterville is located on the south side of Barnstable on Nantucket Sound. Osterville is a residential community that includes marshes, bays, ponds, a small lake, beaches, and a small business district.
The map below shows the probability that an area could receive more than 4 inches of snow. Use the slider at the top left to toggle by day. Winter weather forecast map: See full version.
The claim: Climate change has only had 'positive effects' on global food production. An Oct. 20 Facebook post (direct link, archive link) includes a graph that shows global wheat, rice and coarse ...
In general, nitrogen tends to be a limiting ocean nutrient, but in HNLC regions it is never significantly depleted. [1] [2] Instead, these regions tend to be limited by low concentrations of metabolizable iron. [1] Iron is a critical phytoplankton micronutrient necessary for enzyme catalysis and electron transport. [3] [4]
A district meeting a given standard is known as an "attainment area" for that standard, and otherwise a "non-attainment area". [ 2 ] Standards are required to "accurately reflect the latest scientific knowledge," and are reviewed every five years by a Clean Air Scientific Advisory Committee (CASAC), consisting of "seven members appointed by the ...
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