9-3 Amount of Commercial Forest Land Cthousands of acres) 



in Maine's Coastal Units (percentage contributions to the 



total in parentheses) by Forest Type . 9-5 



9-4 Tolerance Levels of Major Tree Species of Coastal Maine . . 9-10 



9-5 Percentage Contribution of Major Tree Species to the Number 

 of Trees and Volume (in board feet) of the Total in 

 Three Units in Coastal Maine 9-14 



9-6 Total Biomass (above and below ground) of Some 



Representative Forest Communities in Maine 9-15 



9-7 The Percentage Contribution of Commercial, Noncommercial 



and Shrub Species to the Biomass of Maine Forests 9-15 



9-8 Volume (millions cubic feet) and Biomass (t/ha) of 



Merchantable Timber in Commercial Forests in the Capital, 



Hancock, and Washington Sampling Units 9-17 



9-9 Percentage of Forest Land in Each Sampling Unit 



by Stand Size Class 9-18 



9-10 Productivity of Forests in Three Units Sampled 



Along the Maine Coast 9-19 



9-11 Foods of Forest Insect Orders 9-22 



9-12 Percentage Contribution of Nutrients from Several 



Sources in a New Hampshire Deciduous Forest 9-29 



10-1 Total Area (acres). Agricultural Area (acres) and 



Percentage Contribution of Farmland Types to the Total 



for Each County and for All Counties Combined 10-2 



10-2 Area (acres) of Crops in the Coastal Counties of Maine . . . 10-3 



10-3 Market Value (thousands of dollars) of Farm Products 



Produced in the Coastal Counties of Maine in 1974 10-4 



10-4 Average Length of Growing Seasons (days) and Mean 



Frost Dates for Five Locations in Coastal Maine 10-6 



10-5 Amount (acres) and Percentage Composition 



(parentheses) of Developed Land in Each Region of 



the Maine Coastal Characterization Area 10-8 



10-6 Percentage of Different Types of Developed 



Land in Coastal Maine 10-9 



XX 



