College of Agriculture and Natural Resources
Center for Land Use Education and Research

Lower CT River Basin MapLower Long Island Sound Watershed Study Area

Visit the Interactive Map to see and compare the maps. Visit the Statistics or Maps page to see the breakdown for the HUC12 basins.

Back to Summary Stats

 

 

 

Land Cover

  1985 2010 Change
  acres sq. miles % acres sq. miles %
acres sq. miles %
Developed 663516 1036.8 17.7% 772721 1207.4 20.7% 109205 170.6 2.9%
Turf & Grass 245530 383.6 6.6% 300143 469.0 8.0% 54613 85.3 1.5%
Other Grass 52016 81.3 1.4% 73198 114.4 2.0% 21182 33.1 0.6%
Ag. Field 296615 463.5 7.9% 255382 399.0 6.8% -41233 -64.4 -1.1%
Deciduous Forest 1789190 2795.6 47.9% 1667370 2605.3 44.6% -121820 -190.4 -3.3%
Coniferous Forest 339151 529.9 9.1% 326714 510.5 8.7% -12437 -19.4 -0.3%
Water 146935 229.6 3.9% 139080 217.3 3.7% -7855 -12.3 -0.2%
Non-forested Wetlands 15102 23.6 0.4% 15360 24.0 0.4% 258 0.4 0.0%
Forested Wetlands 130489 203.9 3.5% 123359 192.7 3.3% -7130 -11.1 -0.2%
Tidal Wetlands 18281 28.6 0.5% 18168 28.4 0.5% -113 -0.2 0.0%
Barren 28569 44.6 0.8% 34239 53.5 0.9% 5669 8.9 0.2%
Utility ROW (Forest) 12735 19.9 0.3% 12380 19.3 0.3% -355 -0.6 0.0%

Change in Zone Land Cover, 1985-2010

   
Chart  

 

  Developed
  Turf & Grass
  Other Grass
  Agricultural Field
  Forest
  Water
  Wetland
  Barren
   

 

Riparian Zone Land Cover, 300 foot zone

NOTE: Riparian Zone data only includes Connecticut and New York. It was not processed for Massachusetts or Rhode Island.

View data tables for all years for the 300 foot buffer zone here: excel, pdf.
View data tables for all years for the 100 foot buffer zone here: excel, pdf.

  1985 2010 Change
  acres sq. miles % acres sq. mi % acres sq. miles %
Developed 132093 206.4 15.%0 152074 237.6 17.3% 19981 31.2 2.3%
Turf & Grass 46882 73.5 5.3% 57429 89.9 6.5% 10547 16.5 1.2%
Other Grass 11325 17.8 1.3% 16882 26.5 1.9% 5557 8.7 0.6%
Ag. Field 60509 94.5 6.9% 53646 84.0 6.1% -6751 -10.6 -0.8%
Deciduous Forest 431420 676.1 49.0% 410777 643.0 46.7% -20643 -33.1 -2.3%
Coniferous Forest 86193 133.9 9.8% 84085 130.7 9.6% -2107 -3.2 -0.2%
Water 28096 42.9 3.2% 23073 35.4 2.6% -5023 -7.5 -0.6%
Non-forested Wetlands 7257 11.3 0.8% 7488 11.7 0.9% 232 0.4 0.0%
Forested Wetlands 63753 98.9 7.2% 60369 94.0 6.9% -3384 -4.9 -0.4%
Tidal Wetlands 3813 5.9 0.4% 3913 6.0 0.4% 100 0.1 0.0%
Barren 5984 9.4 0.7% 7537 11.8 0.9% 1553 2.4 0.2%
Utility ROW (Forest) 2924 4.6 0.3% 2863 4.5 0.3% -61 -0.1 0.0%

Change in Riparian Zone Land Cover, 1985-2010

   
Chart  

 

  Developed
  Turf & Grass
  Other Grass
  Agricultural Field
  Forest
  Water
  Wetland
  Barren
   

 

Impervious Surface Estimate

1985 1990 1995 2002 2006 2010 Change
acres sq mi % acres sq mi %
acres sq mi % acres sq mi % acres sq mi % acres sq mi % acres sq mi
267671 418 7.1 278461 435 7.4 283152 442 7.5 290054 453 7.7 293956 459 7.8 296301 463 7.9 28630 45