APPENDIX X 387
LOTIC AND LENTIC SYSTEMS IN MISSISSIPPI
SUBTYPE SUBTYPE VALUE RANK AMONG
CODE NAMES TO SGCN LOTIC & LENTIC SYSTEMS
12.3 Tombigbee Drainage 184 1
12.2 Northeast Hills ,
Tennessee River Drainage 140 2
11.4 Ephemeral (Temporary) Ponds 119 3
12.10 Pascagoula Drainage 118 4
12.9 Lower Coastal Plain, Pearl Drainage 105 5
11.1 Oxbow Lakes 86 6
12.8 Mississippi Alluvial Plain (MAP) 73 7
12.6 Big Black River Drainage 66 8
12.13 Lower Mississippi South Drainage 56 9
12.5 Upper Coastal Plain, Yazoo Drainage 53 10
12.1 Mississippi River 46 11
11.2 Reservoirs 44 12
12.11 Coastal Rivers Drainage 42 13
12.7 Upper Coastal Plain,
Pearl River Drainage 41 14
11.3 Artificial Ponds 33 15
12.12 Lake Ponchartrain Drainage 24 16
12.4 Lower Mississippi North Drainage
(LMND) Hatchie And Wolf Systems 24 16
11.5 Beaver Ponds 16 17
*The Value to SGCN is a raw score used to determine the importance of subtypes to assemblages of
Mississippi's SGCN. The Value is determined by the number and tier level of SGCN associated with each
subtype.