Phragmites vs Spartina Paul Sarandria Erick Larson Richard Neefe Dan Borick.

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Presentation transcript:

Phragmites vs Spartina Paul Sarandria Erick Larson Richard Neefe Dan Borick

Abstract The purpose of this study is to determine the abiotic and biotic factors that support the successful encroachment of Phragmites upon Spartina. This project will utilize GLOBE standards and protocols.

Question/Hypothesis What factors effect the encroachment of Phragmites australis upon Spartina alterniflora? Phragmites is better suited to occupy wetland regions of the Elizabeth River watershed than Spartina.

Introduction/Background Spartina artinaflora is the native species of cordgrass. Provides habitat and food for a variety of organisms. Acts as a ‘sponge’ to absorb pollutants and sediments.

Introduction/Background Phragmites is a non- native, invasive species of cordgrass. Grows fast and is long lived. Can grow as high as six feet tall. Doesn’t support food web.

Significance While both plants have ecological importance, Phragmites does not support the local food chain and does not support the habitat of regionally native species.

Materials Materials as prescribe by the following GLOBE protocols; Hydrology (water temp., salinity, and pH), soil characterization (soil temp. and soil pH), land cover/biology (manual land cover mapping, computerized multispec land cover mapping, land cover change detection), GPS protocol Digital camera; Panasonic Lumix DMC-LZ2 with tripod. Computer with internet access.

Methods Establish weather station using GLOBE protocols. Identify study site in salt marsh. Clear study sites based upon control methods developed by Virginia Cooperative Extension. GLOBE protocols to study soil characterization and soil pH.

Methods GLOBE protocols for hydrology (water temperature, salinity, and pH). Use Lumix camera to document growth of cord grasses (develop animated GIF to show growth). GLOBE land mapping protocols to compare present to historical salt marsh.

Data Transformation Data will be reported to GLOBE web site on a weekly basis. GLOBE weather data will be reported on a daily basis.

Standards Life Science: 1,4,5,6,7,8,9,10,11,12 Physical Science: 1,2,3,4,5,6,7,8,9 For further clarification see the following web site