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human activity

agriculture. urbanization. industry. watershed & riparian devegetation. mining & resource extraction. human activity. channel alteration. ↑ toxics in surface runoff. ↑ toxics in subsurface waters. ↑ toxics in wet or dry deposition. ↑ delivery of toxics to streams.

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human activity

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  1. agriculture urbanization industry watershed & riparian devegetation mining & resource extraction human activity channel alteration ↑ toxics in surface runoff ↑ toxics in subsurface waters ↑ toxics in wet or dry deposition ↑ delivery of toxics to streams ↑ toxics in discharged waters ↑ bioavailability, uptake, or toxicity ↑ toxics in soil additional step in causal pathway source environmental conditions modifying factor ↑ toxic chemicals LEGEND proximate stressor ↑ episodic exposures ↑ sustained exposures mode of action response ∆ behavior ↓ condition ∆ ecosystem processes ↓ growth ↑ mortality ↓ reproductive success ∆ population & community structure ↑ susceptibility to other stressors Simple conceptual diagram for TOXIC CHEMICALS Developed 7/2007 by Kate Schofield, Suzanne Marcy & Glenn Suter; modified 6/2010

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