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Full-Text Articles in Life Sciences

Limestone Flora Of The Simonton Corner Quarry Preserve, Rockport, Maine, Usa, Margaret Stern, Ian Medeiros, Luka Negoita, Nishanta Rajakaruna Jan 2016

Limestone Flora Of The Simonton Corner Quarry Preserve, Rockport, Maine, Usa, Margaret Stern, Ian Medeiros, Luka Negoita, Nishanta Rajakaruna

Faculty Publications, Biological Sciences

Limestone is a distinctive substrate that has significant effects on soils and plants. The present study characterizes the diversity of vascular plants, bryophytes, and lichens at the Simonton Corner Quarry Preserve, an abandoned limestone quarry in Rockport, Maine, USA, which was in operation in the late 1800s. We document vascular plant diversity and associated edaphic features (i.e., soil pH and elemental chemistry) using 30 5×5 meter plots spread throughout the site. For vascular plants, 114 species in 96 genera and 50 families were observed; few of these species are known to prefer calcareous environments, and 38% are nonnative. Conversely, the …


A Comparative Study Of The Flora And Soils Of Great Duck And Little Duck Islands, Maine, Usa, Luka Negoita, Matthew Dickinson, Glen Mittelhauser, Nishanta Rajakaruna Jan 2016

A Comparative Study Of The Flora And Soils Of Great Duck And Little Duck Islands, Maine, Usa, Luka Negoita, Matthew Dickinson, Glen Mittelhauser, Nishanta Rajakaruna

Faculty Publications, Biological Sciences

Strong environmental gradients and varied land-use practices have generated a mosaic of habitats harboring distinct plant communities on islands on the coast of Maine. Botanical studies of Maine's islands, however, are generally limited in number and scope. Baseline studies of Maine's islands are necessary for assessing vegetation dynamics and changes in habitat conditions in relation to environmental impacts imposed by climate change, rising sea levels, invasive species, pests and pathogens, introduced herbivores, and human disturbance. We conducted a survey of the vascular plants and soils of forest, field, and ocean-side communities of Great Duck and Little Duck Islands, ME. These …