02 Vegetation Characteristics

The initial polygons divisions were based on “natural” geometrical subdivisions of the land for the purpose of surveying the area. The heterogeneity of habitats and of the effects of anthropogenic disruptions through the ages have created a mosaic of vegetation communities adapted to different moisture regimes and with different successional responses to anthropogenic disturbances.

Polygon V represents an open marsh surrounded by forest remnants and in early stages of secondary succession; its species structure is quite different from the rest of the complex and the type of waste and abandoned vehicles associated with its boundaries suggest yet a different land use history. For those reasons Polygon V will be discussed in a separate report.

All the tree, shrub, forbs, grasses, ferns, and fungi species observed in this survey are compiled in Appendices 1 through 5. The list is incomplete and needs expert confirmation, particularly for rare and closely related species (marked with an asterisk). A photographic record exists for most species observed, particularly the least common or rare[1]. For some grasses and asters a herbarium sample was also collected.

[1]Copy of the photographic summary is available upon request.

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