Denise A. Piechnik

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We combined a natural experiment with field surveys and GIS to investigate the effects of dust from recreational trails and access roads on the federally threatened Valley elderberry longhorn beetle ("VELB," Desmocerus californicus dimorphus) and its host plant, elderberry (Sambucus mexicana). Dust is listed in the species recovery plan as a threat to the(More)
Riparian buffers, a best management practice (BMP), lessen environmental impacts caused by pasture-based agriculture by excluding livestock from streams and removing sediment and nutrients from overland flow before they enter the watercourse. Geospatial data analysis of digital elevation models (DEMs) can improve BMP placement by ensuring that BMPs(More)
Lockie and Carpenter’s book: ‘‘Agriculture, Biodiversity, And Markets: Livelihoods and Agroecology in Comparative Perspective’’ examines the relationships among this interdisciplinary trio through a variety of case studies. The eighteen chapters are primarily reviews and discussions on solving emergent market difficulties through the application of(More)
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