alabama’s biodiversity alabama leads the nation in freshwater biodiversity alabama has the 5 th...
TRANSCRIPT
Alabama’s Biodiversity
• Alabama leads the nation in freshwater biodiversity
• Alabama has the 5th most diversity overall in the nation
• Unfortunately, Alabama is 2nd in the number of taxa lost to extinction (Hawaii is #1)
• Alabama is 4th in number of at-risk taxa
Alabama Wildlife Species Status
• Extirpated/Conservation Action Underway
• Priority 1/Highest Conservation Status –
• Priority 2/High Conservation Status –
• Priority 3/Moderate Conservation Status –
• Priority 4/Low Conservation Concern –
• Priority 5/Lowest Conservation Concern –
Biodiversity Rankings
Rank Diversity Risk Endemism Extinction
1 California Hawaii California Hawaii
2 Texas California Hawaii Alabama
3 Arizona Nevada Texas California
4 New Mexico Alabama Florida Texas
5 Alabama Utah Utah Georgia
Rank by OrganismRank Plants Mammals Birds Reptiles Amphibians Fishes
1 California California Texas Texas North Carolina Alabama
2 Texas Texas New Mexico
Arizona Georgia Tennessee
3 Arizona New Mexico Arizona New Mexico
Virginia Georgia
4 New Mexico
Oregon California Florida Tennessee Kentucky
5 Oregon Arizona Florida California Texas Mississippi
Citation:Bruce A. Stein. 2002. States of the Union: RankingBiodiversity. Arlington, Virginia: NatureServe.
Class AL species Extinct Extirpated Priority 1 Priority 2 Priority 3 Total (% Imperiled) ______________________________________________________________________________________ Bivalvia 173 (11) 27 (9) 22 51 (2) 17 (0) 25 117 (68%)
14 E, 1 T 22 E, 1 T 1 E, 4 T 43 listed Gastropoda 174 (102) 42 (37) 4 15 (11) 13 (8) 71 74 (43%)
7 E, 1T 1 T 9 listed “Fishes” 317 (18) 2 (1) 9 21 (8) 26 (4) 33 58 (18%)
1 T 7 E, 4 T 2 T 14 listed Aves 420, 178 breed (0) 3 (0) 2 7 (0) 19 (0) 53 31 (7 %)
1 E 1 E 1 E 3 listed Reptilia 93 (2) 0 (0) 0 9 (1) 17 (1) 18 26 (28%)
4 E, 2 T 2 T 8 listed Mammalia 64 (1) 0 (0) 4 7 (1) 13 (0) 11 24 (38%)
2 E 5 E 7 listed Amphibia 73 (2) 0 (0) 0 6 (0) 8 (2) 11 14 (19%) 1 E 1 T 2 listed Crayfishes 74 12 T & E ______________________________________________________________________________________ (XX) is number of species endemic to Alabama or, for extinct snails, to Mobile Basin.
Alabama Wildlife Species Status
• Extinct – taxa that historically occurred in Alabama, but are no longer alive anywhere within their former distribution
• Extirpated – taxa that historically occurred in Alabama, but are no now absent; may be rediscovered in the state, or be reintroduced from populations existing outside the state
Reasons for Alabama’s Reasons for Alabama’s BiodiversityBiodiversity
Reasons for Alabama’s Reasons for Alabama’s BiodiversityBiodiversity
Alabama River DrainagesAlabama River Drainages
• Tennessee River DrainageTennessee River Drainage• Mobile River DrainageMobile River Drainage• Gulf of Mexico DrainageGulf of Mexico Drainage
- Pascagoula River (Escatawpa)- Pascagoula River (Escatawpa)- Florida Panhandle rivers (Perdido - Florida Panhandle rivers (Perdido
to to ChoctawhatcheeChoctawhatchee- Appalachicola River (Chipola & - Appalachicola River (Chipola &
ChattahoocheeChattahoochee
Physiographic ProvincesPhysiographic Provinces
Reasons for Alabma’s BiodiversityReasons for Alabma’s Biodiversity
Reasons for Alabama’s Reasons for Alabama’s BiodiversityBiodiversity
Reasons Why Alabama’s Reasons Why Alabama’s Biodiversity is ImperiledBiodiversity is Imperiled
• DamsDams
Reasons Why Alabama’s Reasons Why Alabama’s Biodiversity is ImperiledBiodiversity is Imperiled
• SedimentationSedimentation
Turkey CreekJefferson Co., AL
Reasons Why Alabama’s Reasons Why Alabama’s Biodiversity is ImperiledBiodiversity is Imperiled
PollutionPollution
Unnamed tributary to Turkey CreekJefferson Co., AL
Reasons Why Alabama’s Reasons Why Alabama’s Biodiversity is ImperiledBiodiversity is Imperiled
Habitat alteration and destructionHabitat alteration and destruction Environmental ContaminantsEnvironmental Contaminants Invasive SpeciesInvasive Species DiseaseDisease ExploitationExploitation
Cave Crayfish – Orconectes austalis
Alabama Cave ShrimpPalaemonias alabamae
Alabama Cave Shrimp Distribution
Hering Cave
Hering Cave
Alabama CavefishSpeoplatyrhinus poulsoni
Typhlichthys subterraneusSpeoplatyrhinus poulsoni
Tuscumbia Cave ShrimpPalaemonias sp cf. alabamae
Tuscumbia Cave ShrimpPalaemonias sp cf. alabamae
Alabama Cave ShrimpPalaemonias alabamae
Hering Cave
Limrock Blowing Cave
Cave Crayfish – Orconectes australis