Dr. Lewis Ziska, USDA - Agricultural Research Service

Seminar Abstract: The epidemiological implications with respect to climate change and public health (e.g. shifts in disease vectors) are beginning to be acknowledged. Less recognized however, are the potential links between climate, plant biology and public health. In addition to being affected by climate (e.g. temperature determines plant range), carbon dioxide (CO₂) represents the raw material needed for photosynthesis and its rapid increase in the atmosphere is expected to stimulate plant growth. There are a number of means by which plant biology intersects with human health including aero-biology (allergens, asthma), contact dermatitis (rashes), toxicology (poison ingestion), pharmacology (plant based analgesics) that are likely to be affected by the ongoing changes in CO₂/climate. In this over-view Dr. Ziska will discuss current research efforts by USDA-ARS to address these issues, current progress and future directions.

Research Interests: At present, Dr. Ziska is investigating the role of rising carbon dioxide and changing climate on weed-crop competition, invasive/noxious weeds, weed management, and weeds and public health.

Host: Dr. William Schlesinger