Salt marshes are sometimes included in lagoons, and the difference is not very marked; the Venetian Lagoon in Italy, for example, is made up of these sorts of animals and or living organisms belonging to this ecosystem. They have a big impact on the biodiversity of the area.alt marsh during low tide, mean low tide, high tide and very high tide (spring tide).
The average summer temperature in Maine depends on which part of the state you are talking about, since different parts of the state have different averages. In general, summer temperatures in Maine tend to be about 77 to 79 degrees Fahrenheit, though in some places they may run slightly below or slightly over that.
1 The December 2008 â February 2009 average temperature was 33.49 degrees F, which is 0.53 degree F above normal. 2  On a regional basis, temperatures were warmer than average across the southern tier states and central Rockies, while the upper Midwest, Great Lakes, Maine, and Washington had a cooler-than-average winter.