IAN Seminar Series 2014

The goal of the IAN seminar series is to provide concise, thought-provoking ideas relating to Chesapeake Bay science and management. Short presentations (15 minutes maximum length) are immediately followed by a lunchtime discussion of the topics raised by the presenter. The discussion is summarized and is posted along with a pdf version of the seminar slides. The seminars are captured on video and posted under a Creative Commons license so they can be freely shared.

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DateSpeakerSeminarSeries
Thu 24
Apr
2008
http://ian.umces.edu/seminarseries/
The virtual eelgrass meadow - Lora Harris (CBL UMCES) - IAN Seminar Series
2008-04-24T12:00:00-04:00 2008-04-24T13:00:00-04:00
Macknis Room, Chesapeake Bay Program Office, 410 Severn Avenue (Suite 109), Annapolis MD
Existing individual-based models of clonal plants rely on simple rules of rhizome spacing, branching angle, and branching rate to predict colonization of space by asexually reproducing ramets. These models have provided unanticipated explanations for the emergence of nonlinear patch growth observed in real populations. However, no efforts have attempted to link these models\' growth or morphological parameters with environmental conditions, relying instead on constant or stochastic values. In the case of seagrasses, widespread decline has prompted managers to ask for predictive tools that might provide better understanding of the landscape-level response of these clonal plants to water quality. The Virtual Eelgrass Meadow (VEM) was created to explore how the simple rules of a modular, clonal, architecture might be linked with environmental variables such as light, temperature, and nutrients to simulate eelgrass patch dynamics. Insights from VEM simulations suggest that changes to growth rates and resource allocation in response to the physical environment provide a mechanistic explanation for the morphological plasticity of ramets, which ultimately affects patch expansion rates.
Lora Harris
CBL UMCES
harris@umces.edu
The virtual eelgrass meadow

Science for Citizens
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Abstract

Existing individual-based models of clonal plants rely on simple rules of rhizome spacing, branching angle, and branching rate to predict colonization of space by asexually reproducing ramets. These models have provided unanticipated explanations for the emergence of nonlinear patch growth observed in real populations. However, no efforts have attempted to link these models' growth or morphological parameters with environmental conditions, relying instead on constant or stochastic values. In the case of seagrasses, widespread decline has prompted managers to ask for predictive tools that might provide better understanding of the landscape-level response of these clonal plants to water quality. The Virtual Eelgrass Meadow (VEM) was created to explore how the simple rules of a modular, clonal, architecture might be linked with environmental variables such as light, temperature, and nutrients to simulate eelgrass patch dynamics. Insights from VEM simulations suggest that changes to growth rates and resource allocation in response to the physical environment provide a mechanistic explanation for the morphological plasticity of ramets, which ultimately affects patch expansion rates.



Time and Venue

Seminars start at 12 noon, scheduled for 45 mins (15 mins plus 30 min question/discussion time).

Science for Citizens seminars are held in the Joe Macknis Conference Room (Fish Shack) at the Chesapeake Bay Program Office, 410 Severn Avenue, Annapolis MD 21403, immediately following the monthly meetings of the Science Technical Analysis and Reporting (STAR) team meetings.

Citizens for Science seminars are conducted at the UMCES Annapolis Office, 1 Park Place, Suite 325, Annapolis, MD 21401.



Inquiries

If you have any queries or would like to contribute to next year's seminar series, please contact:

Jane Thomas ()
Bill Dennison ()