Vegetation - Marin Municipal Water District (MMWD) [ds996]

The Vegetation Program of the California Native Plant Society (CNPS) has worked collaboratively with the Marin Municipal Water District (MMWD) and Aerial Information Systems (AIS) to produce a fine-scale vegetation classification and map on MMWD lands. Two main project goals were 1) to provide detailed, floristic classification of the vegetation with a report defining the different vegetation types, 2) to provide a detailed vegetation map of the region. Field data are being collected using standard CNPS protocols (e.g., Vegetation Rapid Assessment and Relev protocols). The field-based classification depicts vegetation types that were sampled in 419 CNPS Vegetation Rapid Assessments and Relevs by MMWD staff In 2009 the map completed in 2006 was updated in part to understand how Sudden Oak Death (SOD) had changed the plant communities. The first map was based on aerial imagery flown in 2004 varying from 1/2 ft. to 1 ft. in resolution. The remap used similar imagery flown in 2009. This remap did not include the two outlying area around the Soulajule and Nicasio reservoirs. The attributes in this dataset reflect this, showing two sets of attributes for most of the area.

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