Sentinel Molecular Diagnostics for Crop Agroterrorism

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Presentation transcript:

Sentinel Molecular Diagnostics for Crop Agroterrorism Dr. Joe Eugene Lepo Center for Environmental Diagnostics and Bioremediation University of West Florida, Pensacola Tuesday, February 13th, at 4:30 – 5:30 p.m. Ruhl Student Center, Community Room STSS07 Schedule & Abstract Site (click here)

Wetlands Characteristic hydric soil and hydrophytic vegetation as signs of frequent surface saturation or inundation. Many types of wetlands: (Dodds, 2002; Table 4.3) Salt-marshes and (temperate, seawater influence) Mangrove forests (tropical, seawater influence) Tidal & non-tidal freshwater marshes Deepwater (cypress) swamps Northern (bogs & tundra) wetlands Riparian forests/wetlands Man-made (rice paddies & bioremediation) Function as nutrient and sediment traps; slow runoff and facilitate recharge; most are highly productive.

Global Distribution Depressional Peatland bog Coastal Mangrove (Matthews, 1993)

Geomorphic: Peatlands; Coastal; Riverine; Depressional. Wetland ecosystem types are based on hydrologic regime, climate, geomorphology, nutrient input and vegetation. (Dodds, 2002; Table 4.5) Geomorphic: Peatlands; Coastal; Riverine; Depressional. Hydrologic Regime: Permanence, predictability (e.g. tidal), seasonality Primary water source: Precipitation; low throughput (ombrotrophic) Riverine; potentially high throughput (minerotrophic) Groundwater Climate determines the balance of precipitation and evapotranspiration. (E.g., much less precipitation is required for tundra wetlands than that for a tropical savanna wetland.)

Human Impacts on Groundwaters; Streams and Wetlands Groundwater or surface pumping: agriculture industry drinking waters. Clearing riparian forests & wetlands Draining and filling for “development”. Damming and flooding Diversion channels for water supply.

Levee

Arkansas River (?)

Vanishing Florida Wetlands

Wetland loss from 1780 to1990. 70% Riparian Forest lost in USA. Worldwide estimates are >50%; half due to agriculture.