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Publication Type J
Authors Vanderplank, S. E.
Title THE FLORA OF GREATER SAN QUINTIN, BAJA CALIFORNIA, MEXICO (2005-2010)
Source Aliso
Language English
Author Keywords Life Sciences & Biomedicine - Other Topics Biodiversity & Conservation Biogeography (Population Studies) Wildlife Management (Conservation) Biodiversity 00512, General biology - Conservation and resource management 07502, Ecology: environmental biology - General and methods 07506, Ecology: environmental biology - Plant 50528, Botany: general and systematic - Floristics and distribution Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Amaranthaceae [25555] [Amaranthaceae]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Boraginaceae [25665] [Boraginaceae]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Cactaceae [25710] [Cactaceae]/Plantae Plants Plantae [11000] [Fabaceae] [Asteraceae] [Poaceae] [Brassicaceae]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Plantaginaceae [26575] [Plantaginaceae]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Polygonaceae [26605] [Polygonaceae]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Solanaceae [26775] [Solanaceae] Mexico North America Nearctic region/Baja California Mexico, North America Nearctic region/San Quintin Mexico, North America Nearctic region species diversity, biodiversity conservation, global biodiversity hotspot, unique micro-habitats, agricultural water use practice
Abstract The plants of San Quintin (Baja California, Mexico) were documented through intensive fieldwork and collection of herbarium specimens to create a checklist of species. The region is located near the southernmost extent of the California Floristic Province, and the flora is influenced by the adjacent desert to the south. A total of 435 plant taxa were documented, of which 82% are native plants. Almost one in three native plant taxa in Greater San Quintin is a sensitive species, here documented as rare and/or locally endemic, and many taxa have yet to be evaluated fully for rarity and threats. Four major habitats were identified, and a checklist is presented for each. Shell middens and vernal pools represent micro-habitats with unique species that also warrant conservation consideration. All habitats in Greater San Quintin are threatened by human activity, and agricultural water use practices are unsustainable. There is a pressing need for conservation of the natural areas that remain in this unique but heavily impacted region. The El Socorro Dunes and the volcanic bay are of particular conservation value with several narrowly endemic taxa. As a transitional area in a global biodiversity hotspot, Greater San Quintin is home to many species on the edge of their ranges and may be of critical importance to biodiversity conservation in a changing climate.
Author Address Vanderplank, Sula E.; Rancho Santa Ana Bot Garden, 1500 N Coll Ave, Claremont, CA 91711 USA
ISSN 0065-6275
ISBN 0065-6275
Year Published 2011
Volume 29
Issue 2
Beginning Page 65-103
Unique Article Identifier BCI:BCI201200129774
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