The proposed data collection and GIS model making has gone according to plan, with the exception of attaining hydrology data. The reason for this is that although this stream data is easily collected in present day, there is no prior stream data to identify any changes that might have occured and what effect those possible changes could have had on the success of Phragmites and the loss of Purple Loosestrife abundance.
Instead, we have shifted our focus to comparing past Galerucella data and vegetation data of Phragmites and Laythrum salicaria to more recent data. These studies have been successful as well as the GIS models produced from them. So far, we have outlined the succession of adundance of Purple Loosestrife in the Siena College marsh in relation to the nearby stream data.
To accurately show the correltions between the changes in abundance of each species, a series of maps will be made. We anticipate generating the following maps to place with the previous Purple Loosestrife map:
- Abundance of Galerucella spp. in the Siena College Marsh
- Abundance of Phragmites in the Siena College Marsh
- Projected Abundance of Phragmites in the Siena College Marsh
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