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UW-Milwaukee Geography Vision and Objectives National Phenology Network (NPN)

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Presentation on theme: "UW-Milwaukee Geography Vision and Objectives National Phenology Network (NPN)"— Presentation transcript:

1 UW-Milwaukee Geography Vision and Objectives National Phenology Network (NPN)

2 UW-Milwaukee Geography Definition of Phenology u Phenology which is derived from the Greek word phaino meaning to show or to appear, is the study of plant and animal life cycle events, which are triggered by environmental changes, especially temperature. Thus, timings of phenological events are ideal indicators of global change impacts. u Seasonality is a related term, referring to similar non-biological events, such as timing of the fall formation and spring break-up of ice on fresh water lakes.

3 UW-Milwaukee Geography Phenological Research u Traditional approach: agriculture- centered, and local-scale events u Recent approach: Earth systems interactions, and global-scale events u Question: What roles for phenology in current and future agricultural research?

4 UW-Milwaukee Geography Critical Research Areas u Atmosphere-Biosphere Interactions u Long-term Organism response to Climate Change u Global Phenology Databases for monitoring and management

5 UW-Milwaukee Geography Integrated Approach u Satellite Observations (MODIS-NDVI/EVI) u Indicator Species Phenology u Native Species Phenology

6 UW-Milwaukee Geography #1 Issue: Lack of Data! u Surface phenological data is virtually non-existent in the USA u A National Phenology Network can profoundly affect the future course of bioclimatic research in the USA

7 UW-Milwaukee Geography Vision of a USA National Phenology Network (NPN) u a continental-scale network observing regionally appropriate native plant species, cloned indicator plants (lilac +?), (and selected agricultural crops?) u designed to complement remote sensing observations u data collected will be freely available to the research community and general public

8 UW-Milwaukee Geography Addressing new continental-scale questions

9 UW-Milwaukee Geography Prototype for web-based NPN http://www.npn.uwm.edu

10 UW-Milwaukee Geography Select appropriate native species

11 UW-Milwaukee Geography Submit data over the Internet

12 UW-Milwaukee Geography Critical Research Areas u Atmosphere-Biosphere Interactions u Long-term Organism response to Climate Change u Global Phenology Databases for monitoring and management

13 UW-Milwaukee Geography Diurnal Range Change with Lilac First Leaf Source: Schwartz 1996, Figure 3

14 UW-Milwaukee Geography Comparative Net Ecosystem Exchange

15 UW-Milwaukee Geography Comparative Net Ecosystem Exchange Annual “Downturn” Rates

16 UW-Milwaukee Geography NPN Contributions u Facilitate understanding of plant phenological cycles and their relationship to climate (energy balance, carbon flux, and “traditional” measures)

17 UW-Milwaukee Geography Critical Research Areas u Atmosphere-Biosphere Interactions u Long-term Organism response to Climate Change u Global Phenology Databases for monitoring and management

18 UW-Milwaukee Geography Terrestrial Biosphere Dynamic Change Detection u Satellite Phenology u Simulated Phenology (Models) u Cloned Species Phenology u Native Species Phenology

19 UW-Milwaukee Geography Cloned lilac first leaf and first bloom dates at a single station in Vermont

20 UW-Milwaukee Geography Simulated phenology developed from lilac and honeysuckle data combined with climate data Source: Schwartz and Reiter 2000, Plate 4 (updated)

21 UW-Milwaukee Geography Lilac First Leaf 1961-2000 Slope

22 UW-Milwaukee Geography Lilac First Bloom 1961-2000 Slope

23 UW-Milwaukee Geography Integrated Species Indices (ISI) southwestern Wisconsin

24 UW-Milwaukee Geography NPN Contributions u Comprehensive evaluation of satellite-derived measurements u Evaluate impacts of longer growing seasons on pollinators, cattle, crop and forest pests, wildfires, carbon storage, and water use

25 UW-Milwaukee Geography Critical Research Areas u Atmosphere-Biosphere Interactions u Long-term Organism response to Climate Change u Global Phenology Databases for monitoring and management

26 UW-Milwaukee Geography SI First Leaf Date 1961-2000 Slope

27 UW-Milwaukee Geography North. Hem. SI First Leaf Date Departures

28 UW-Milwaukee Geography NPN Contributions u Detection of long-term phenological trends in response to climate variability/global warming

29 UW-Milwaukee Geography Future NPN Contributions u Interpretation/Comparison of satellite phenology with “spatially concentrated” surface data u Interpretation of “ripple effects” in biomes and managed systems

30 UW-Milwaukee Geography Workshop Issues u Native species selection for regions u Expansion of indicator plants to entire country u Web-based reporting and feedback system u Network infrastructure design and function u Collaborative and cooperative agreements u Deployment and development strategies u Public engagement and awareness

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